MUH-A07WV - MSC-A09WV - MUH-A09WV - MSC-A12WV - MUH-A12WV - Multi system type Models MUX-A10WV - MSC-A09WV - MUX-A19WV - MSC-A12WV -

Transcription

1 SPLIT-TYPE, IR CONDITIONERS SPLIT-TYPE, HET PUMP IR CONDITIONERS Revision: MXZ-8WV - E have been added. MSC-07/09/WV - E Part No..have changed. VRISTOR (NR& NR) E E Please void OB07. SERVICE MNUL Wireless type Models E MSC-07WV - (WH) E MU-07WV - E MSC-09WV - (WH) E MU-09WV - E MSC-WV - (WH) E MU-WV - E MSC-07WV - (WH) E MUH-07WV - E MSC-09WV - (WH) E MUH-09WV - E MSC-WV - (WH) E MUH-WV - Multi system type Models E MSC-07WV - (WH) E MUX-0WV - E MSC-09WV - (WH) E MUX-9WV - E MSC-WV - (WH) E MUX-0WV - E MUX-5WV - E MUX-6WV - Inverter-controlled multi system Model MXZ-8WV - E CONTENTS HFC utilized R40 No. OB07 REVISED EDITION- MSC-07WV - E MSC-09WV - E MSC-WV - E Remote controller Indication of model name. TECHNICL CHNGES. PRT NMES ND FUNCTIONS 6. INDOOR/OUTDOOR CORRESPONDENCE TBLE 8 4. INDOOR UNITS COMBINTION 9 5. SPECIFICTION 0 6. NOISE CRITERI CURVES 7 7. OUTLINES ND DIMENSIONS 0 8. WIRING DIGRM 5 9. REFRIGERNT SYSTEM DIGRM 0. PERFORMNCE CURVES 45. MICROPROCESSOR CONTROL 84. SERVICE FUNCTIONS 0. TROUBLESHOOTING DISSSEMBLY INSTRUCTIONS 9 5. PRTS LIST OPTIONL PRTS 57

2 TECHNICL CHNGES MSC-07RV- MSC-09RV- MSC-RV-. Rated voltage has changed. (0-40V 0V). Indoor model has changed. MU-07RV-. Refrigerant has changed. (R R40). Compressor has changed. (RH0VGCT RN09VHSHT) MU-09RV-. Refrigerant has changed. (R R40). Compressor has changed. (RH40VGCT RN099VHSHT) MU-RV- E4 E4 E4. Refrigerant has changed. (R R40). Compressor has changed. (RH0VHT RN5VHSHT) MUH-07RV-. Refrigerant has changed. (R R40). Compressor has changed. (RH0VGCT RN09VHSHT) MUH-09RV-. Refrigerant has changed. (R R40). Compressor has changed. (RH65VGCT RN04VHSHT) MUH-RV-. Refrigerant has changed. (R R40). Compressor has changed. (RH0VHT RN5VHSHT) MUX-0RV-. Outdoor model has changed.. Refrigerant has changed. (R R40) MUX-9TV- MUX-0TV- MUX-5TV-. Refrigerant has changed. (R R40) MUX-4RV- E4 E4 E4 E4 E4 E4 E E E E E MSC-07WV- MSC-09WV- MSC-WV- MU-07WV- MU-09WV- MU-WV- MUH-07WV- MUH-09WV- MUH-WV- MUX-0WV- MUX-9WV- MUX-0WV- MUX-5WV- MUX-6WV-. Outdoor model has changed.. Refrigerant has changed. (R R40) MXZ-8TV - E MXZ-8WV - Outdoor model has changed. Refrigerant has changed. E E E E E E E E E E E E E E E

3 INFORMTION FOR THE IR CONDITIONER WITH R40 REFRIGERNT This room air conditioner adopts an HFC refrigerant (R40) which never destroys the ozone layer. Pay particular attention to the following points, though the basic installation procedure is same as that for R conditioners. s R40 has working pressure approximate.6 times as high as that of R, some special tools and piping parts/ materials are required. Refer to the table below. Take sufficient care not to allow water and other contaminations to enter the R40 refrigerant during storage and installation, since it is more susceptible to contaminations than R. For refrigerant piping, use clean, pressure-proof parts/materials specifically designed for R40. (Refer to. Refrigerant piping.) 4 Composition change may occur in R40 since it is a mixed refrigerant. When charging, charge liquid refrigerant to prevent composition change. Refrigerating Refrigerant oil New refrigerant Refrigerant R40 Composition (Ratio) HFC-: HFC-5 (50%:50%) Refrigerant handling Pseudo-azeotropic refrigerant Chlorine Not included Safety group (SHRE) / Molecular weight 7.6 Boiling point (:) -5.4 Steam pressure [5:](Mpa).557 Saturated steam density [5:](Kg/K) 64 Combustibility Non combustible ODP w 0 GWP w 70 Refrigerant charge method From liquid phase in cylinder dditional charge on leakage Possible Kind Incompatible oil Color Non Smell Non w :Ozone Destruction Parameter : based on CFC- w :Global Warmth Parameter : based on CO Previous refrigerant R R (00%) Single refrigerant Included Non combustible Gas phase Possible Compatible oil Light yellow Non Compressor New Specification Current Specification The incompatible refrigerating oil easily separates from refrigerant and is in the upper layer inside the suction muffler. Raising position of the oil back hole enables to back the Since refrigerant and refrigerating oil are compatible each, refrigerating oil backs to the compressor through the lower position oil back hole. refrigerating oil of the upper layer to flow back to the compressor. Suction muffler Suction muffler Compressor Oil back hole Refrigerating oil Compressor Oil back hole Refrigerant Refrigerating oil /Refrigerant NOTE : The unit of pressure has been changed to MPa on the international system of units(si unit system). The conversion factor is: (MPa [Gauge]) =0.(kgf/f [Gauge])

4 Conversion chart of refrigerant temperature and pressure (MPa [Gauge]) R40 Saturated liquid pressure R NOTE : The unit of pressure has been changed to MPa on the international system of units(si unit system). The conversion factor is: (MPa [Gauge]) =0.(kgf/f [Gauge]) (:).Tools dedicated for the air conditioner with R40 refrigerant The following tools are required for R40 refrigerant. Some R tools can be substituted for R40 tools. The diameter of the service port on the stop valve in outdoor unit has been changed to prevent any other refrigerant being charged into the unit. Cap size has been changed from 7/6 UNF with 0 threads to / UNF with 0 threads. R40 tools Can R tools be used? Description R40 has high pressures beyond the measurement range of existing Gauge manifold No gauges. Port diameters have been changed to prevent any other refrigerant from being charged into the unit. Charge hose Gas leak detector No No Hose material and cap size have been changed to improve the pressure resistance. Dedicated for HFC refrigerant. Torque wrench Yes 6.5 mm and 9.5 mm No.7 mm Flare tool Flare gauge Yes New Clamp bar hole has been enlarged to reinforce the spring strength in the tool. Provided for flaring work (to be used with R flare tool). Vacuum pump Provided to prevent the back flow of oil. This adapter enables you to use New adapter vacuum pumps. Electronic scale for It is difficult to measure R40 with a charging cylinder because the New refrigerant charging refrigerant bubbles due to high pressure and high-speed vaporization No : Not Substitutable for R40 Yes : Substitutable for R40.Refrigerant piping Specifications Use the refrigerant pipes that meet the following specifications. Pipe For liquid For gas Outside diameter mm Wall thickness 0.8 mm 0.8 mm 0.8 mm Insulation material Heat resisting foam plastic Specific gravity Thickness 8 mm Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm. Never use any pipe with a thickness less than 0.8mm, as the pressure resistance is insufficient. 4

5 Flaring work and flare nut Flaring work for R40 pipe differs from that for R pipe. For details of flaring work, refer to Installation manual FLRING WORK. Pipe diameter mm Dimension of flare nut R R 7 4.Refrigerant oil pply the special refrigeration oil (accessories: packed with indoor unit) to the flare and the union seat surfaces. 4.ir purge Do not discharge the refrigerant into the atmosphere. Take care not to discharge refrigerant into the atmosphere during installation, reinstallation, or repairs to the refrigerant circuit. Use the vacuum pump for air purging for the purpose of environmental protection. 5.dditional charge For additional charging, charge the refrigerant from liquid phase of the gas cylinder. If the refrigerant is charged from the gas phase, composition change may occur in the refrigerant inside the cylinder and the outdoor unit. In this case, ability of the refrigerating cycle decreases or normal operation can be impossible. However, charging the liquid refrigerant all at once may cause the compressor to be locked. Thus, charge the refrigerant slowly. Indoor unit Refrigerant gas cylinder operating valve Union Liquid pipe Gas pipe Service port Stop valve Outdoor unit Gauge manifold valve (for R40) Charge hose (for R40) Refrigerant gas cylinder for R40 with siphon Refrigerant (liquid) Electronic scale for refrigerant charging 5

6 PRT NMES ND FUNCTIONS INDOOR UNIT MSC-07WV - E MSC-09WV - E MSC-WV - E ir cleaning filter (White bellows type) Front panel ir inlet Deodorizing filter (Gray sponge type) Panel ir filter ir outlet to Breaker Power supply cord Remote control receiving section Vertical vane Horizontal vane Remote controller Operation section Display section (When the front panel is opened) Emergency operation switch Operation indicator lamp Receiving section OUTDOOR UNIT MU-07WV - E MUH-07WV - E MU-09WV - E MUH-09WV - E MU-WV - MUH-WV - E MUX-0WV- E ir inlet (back and side) Piping Drain hose ir inlet (back and side) Piping Drain hose ir outlet ir outlet Drain outlet Drain outlet 6

7 OUTDOOR UNIT MUX-9WV- E MUX-5WV- MUX-0WV- E E MUX-6WV- E ir inlet (Back and side) ir inlet (Back and side) ir outlet Piping Drainage hose ir outlet Piping Drainage hose Drain outlet Drain outlet MXZ-8WV- E ir inlet (Back and side) ir outlet Drain outlet CCESSORIES E E MSC-07WV- MSC-09WV- MUH-07WV- MUH-09WV- E E MSC-WV- E MUH-WV- E <Indoor unit> Installation plate Installation plate fixing screw 4 o 5 mm Remote controller holder 4 Fixing screw for.5 o 6 mm 5 Battery () for remote controller 6 Wireless remote controller 7 Felt tape (Used for left or left-rear piping) 8 Deodorizing filter 9 ir cleaning filter 0 Refrigerant oil 5 <Outdoor unit: MUH type> Drain socket Drain cap MXZ-8WV- E Drain socket Drain cap 7

8 REMOTE CONTROLLER Signal transmitting section Operation display section PM OPERTE /STOP (ON /OFF)button ON/OFF TOO WRM M TOO COOL TEMPERTURE buttons Open the front lid. CLOCK PM M ON/OFF TOO WRM TOO COOL FN SPEED CONTROL button OPERTION SELECT button ECONO COOL button I FEEL HET /FN COOL DRY / MODE ECONO COOL FN STOP VNE STRT HR. MIN. RESET CLOCK OFF-TIMER button ON-TIMER button HR. button MIN. button (TIME SET button) RESET button CLOCK SET button VNE CONTROL button INDOOR/ OUTDOOR CORRESPONDENCE TBLE MSC-07WV - E MSC-09WV - E MSC-WV - E OUTDOOR UNIT MUX-0WV- E MUX-9WV- E MUX-0WV- E MUX-5WV- E MUX-6WV- E Combination of the connectable indoor units : B: MSC-07WV- E : MSC-WV- E B: MSC-07WV- E : B: MSC-09WV- E C: : B: MSC-WV- E : MSC-WV- E B: C: MSC-09WV- E D: 8

9 Combination of the connectable indoor units MXZ-8WV - E OUTDOOR UNIT MXZ-8WV- E There is no combination other than this table. 4 INDOOR UNITS COMBINTION MXZ-8WV - E Indoor units Cooling capacity (kw) combination Unit Unit B Total. ( ).5 (0.9-.0).4 ( ) 4.6 ( ) 4.8 ( ) 5.0 ( ) 5.0 ( ) 5. ( ) 5.4 ( ) NOTE: Electrical data is for outdoor unit only. Outdoor unit power consumption (kw) ( ) 0.80 ( ).80 ( ).480 ( ).600 ( ).60 ( ).780 ( ).80 ( ).860 ( ) Current () 0V Power factor (%) Indoor units Heating capacity (kw) combination Unit Unit B Total. ( ).6 ( ) 4.0 ( ) 6. ( ) 6. ( ) 6.5 ( ) 6.5 ( ) 6.55 (.56-7.) 6.6 (.58-7.) NOTE: Electrical data is for outdoor unit only. Outdoor unit power consumption (kw) (0.5-.5).065 ( ).400 ( ).90 ( ).940 ( ).870 ( ).90 ( ).845 ( ).770 ( ) Current () 0V Power factor (%)

10 5 SPECIFICTION Indoor model Function MSC-07WV - E Cooling MSC-09WV - E Cooling Indoor unit power supply Single phase Single phase 0V,50Hz 0V,50Hz Capacity ir flow(high/med. w/low w) Power outlet Running current Power input Power factor Starting current Fan motor current Model K /h W % 474/7 w/76 w RC4V9-L 474/84 w/06 w RC4V9-L Winding " WHT-BLK 4 WHT-BLK 4 resistance(at 0:) BLK-RED 4 BLK-RED 4 Dimensions WOHOD Weight ir direction w w Sound level(high/med. /Low ) Fan speed (High/Med. w/low w) Fan speed regulator Thermistor RT(at 5:) Thermistor RT(at 5:) Outdoor model mm kg db rpm k" k" 85O78O / w/5 w 900/750 w/600w 0 0 MU-07WV - E 85O78O / w/5w 900/770 w/650w 0 0 MU-09WV - E Outdoor unit power supply Single phase Single phase 0V,50Hz 0V,50Hz Electrical data Fan motor Special remarks Capacity Electrical data Compressor Fan motor Special remarks Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current kw R/h K /h W (kw) % Coefficient of performance(c.o.p) Model Output W Winding " resistance(at 0:) Model Winding " resistance(at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc. 0.9, RN09VHSHT 600 C-R.87 C-S 6.4 R6V-FC WHT-BLK 5 BLK-RED 780o540o (NEO ).55., RN099VHSHT 700 C-R.40 C-S 4.56 R6V-FC WHT-BLK 5 BLK-RED 780o540o (NEO ) MSC-WV - E Cooling Single phase 0V,50Hz 58/444 w/4 w RC4V9-K WHT-BLK 6 BLK-RED 99 85O78O / w/6 w 90/760 w/600w 0 0 MU-WV - E Single phase 0V,50Hz.45.6, , RN5VHSHT 900 C-R.79 C-S.6 R6V-DC WHT-BLK 0 BLK-RED 780o540o (NEO) NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Outdoor DB5 C WB4 C Indoor-Outdoor piping length 5m w Reference value 0

11 Indoor model MSC-07WV - E MSC-09WV - E MSC-WV - E Function Cooling Heating Cooling Heating Cooling Heating Indoor unit power supply Single phase Single phase Single phase 0V,50Hz 0V,50Hz 0V,50Hz Capacity ir flow(high/med. w/low w) K /h 474/7 w/76w 50/40 w/4 w 474/84 w/06w 588/456 w/4w 58/444 w/4w 606/498 w/96w Power outlet Running current Power input Power factor Starting current Fan motor current Model W % RC4V9-L RC4V9-L RC4V9-K Winding " WHT-BLK 4 WHT-BLK 4 WHT-BLK 6 resistance(at 0:) BLK-RED 4 BLK-RED 4 BLK-RED 99 Dimensions WOHOD Weight ir direction mm kg 85O78O O78O O78O7 0 5 Sound level(high/med. w/low w) db 6/ w/5 w 6/ w /5 w 6/ w/5 w 9/ w /5 w 40/ w/6 w 9/ w/6w Fan speed(high/med. w/low w) rpm 900/750 w/600 w 950/80 w/700 w 900/770 w/650w,050/870 w/700w 90/760 w/600w 960/80 w/700w Fan speed regulator Thermistor RT(at 5:) Thermistor RT(at 5:) Outdoor model k" k" 0 0 MUH-07WV - E 0 0 MUH-09WV - E 0 0 MUH-WV - E Outdoor unit power supply Single phase Single phase Single phase 0V,50Hz 0V,50Hz 0V,50Hz Electrical data Fan motor Special remarks Capacity Electrical data Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current kw R/h K /h W (kw) % Coefficient of performance (C.O.P) Model Output W Winding " resistance (at 0:) Model Winding " resistance (at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc Thermistor RT6 (at 0:) k" Compressor Fan motor Special remarks , RN09VHSHT 600 C-R.87 C-S 6.4 R6V-FB WHT-BLK 5 BLK-RED 780o540o (NEO) , RN04VHSHT 700 C-R.40 C-S 4.56 R6V-DB WHT-BLK 0 BLK-RED 780o540o (NEO).8 NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Heating : Indoor DB0 C Outdoor DB5 C WB4 C Outdoor DB 7 C/WB 6 C Indoor-Outdoor piping length 5m w Reference value ,00, , RN5VHSHT 900 C-R.79 C-S.6 R6V-DB WHT-BLK 0 BLK-RED 780o540o (NEO).8

12 Capacity Electrical data Fan motor Special remarks Capacity Electrical data Compressor Fan motor Special remarks Indoor model Function Indoor unit power supply w w ir flow (High/Med./Low) Power outlet Running current Power input Power factor Starting current Fan motor current Model Winding resistance(at 0:) Dimensions WOHOD Weight ir direction w w Sound level (High/Med./Low) w w Fan speed (High/Med./Low) Fan speed regulator Thermistor RT (at 5:) Thermistor RT (at 5:) Outdoor model Outdoor unit power supply Indoor unit No. Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current K /h W % " mm kg db rpm k" k" kw R/h K /h W (kw) % Coefficient of performance (C.O.P) Model Output W Winding " resistance (at 0:) Model Winding " resistance (at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc MSC-07WV - E Cooling Single phase 0V,50Hz 474/7 / RC4V9-L WHT-BLK 4 BLK-RED 4 85O78O / /5 w 900/750 /600w 0 0 MUX-0WV - E Single phase 0V,50Hz Single or B ,94 0 Double +B.4O 0.O RN09VHSHT 600 C-R.87 C-S 6.4 R6V-FC WHT-BLK BLK-RED 780O540O (Room +B) w w w w MSC-07WV - E Cooling Single phase 0V,50Hz w w 474/7 / RC4V9-L WHT-BLK 4 BLK-RED 4 85O78O / w/5w 900/750 w/600w 0 0 MSC-WV - E Cooling Single phase 0V,50Hz 58/444 w/4w RC4V9-K WHT-BLK 6 BLK-RED 99 85O78O / w/6w 90/760 w/600w (NEO) NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Heating : Indoor DB0 C Outdoor DB5 C WB4 C Outdoor DB 7 C/WB 6 C Indoor-Outdoor piping length 5m w Reference value.5 70 Single , MUX-9WV - E Single phase 0V,50Hz Single B.4 0.9, Double +B , MC : RN45VHSHT, MC : RN09VHSHT MC :,000, MC : 600 C-R.4 C-R.87 MC :, MC : C-S.80 C-S 6.4 R6V60-G WHT-BLK 90 BLK-RED O640O (Room ) 0.80 (Room B) MC : 60 (NEO), MC : 50 (NEO)

13 Capacity Electrical data Fan motor Special remarks Capacity Electrical data Compressor Fan motor Special remarks Indoor model Function Indoor unit power supply w w ir flow (High/Med./Low) Power outlet Running current Power input Power factor Starting current Fan motor current Model Winding resistance (at 0:) Dimensions WOHOD Weight ir direction w w Sound level (High/Med./Low) w w Fan speed (High/Med./Low) Fan speed regulator Thermistor RT (at 5:) Thermistor RT (at 5:) Outdoor model Outdoor unit power supply Indoor unit No. Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current K /h W % " mm kg db rpm k" k" kw R/h K /h W (kw) % Coefficient of performance (C.O.P) Model Output W Winding " resistance (at 0:) Model Winding " resistance (at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc Single Single B or C , MSC-09WV - E Cooling Single phase 0V,50Hz w w 474/84 / RC4V9-L WHT-BLK 4 BLK-RED 4 85O78O / w/5w 900/770 w/650w 0 0 MUX-0WV - E Single phase 0V,50Hz Double +B or +C , , Double B+C.75O 0.O 4.86, MC : RN099VHSHT, MC : RN5VHSHT MC : 650, MC : 800 C-R.40 C-R.86 MC :, MC : C-S 4.56 C-S 5.7 R6V60-G WHT-BLK 90 BLK-RED O640O (Room ).00 (Room B+C) MC : 50 (NEO), MC : 50 (NEO) NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Heating : Indoor DB0 C Outdoor DB5 C WB4 C Outdoor DB 7 C/WB 6 C Indoor-Outdoor piping length 5m w Reference value Triple +B+C.5+.75O O 8.4,

14 Capacity Electrical data Fan motor Special remarks Indoor model Function Indoor unit power supply ir flow (High/Med./Low) Power outlet Running current Power input Power factor Starting current Fan motor current Model Winding resistance(at0:) Dimensions WOHOD Weight ir direction w Sound level (High/Med./Low) Fan speed (High/Med./Low) Fan speed regulator Thermistor RT (at 5:) Thermistor RT (at 5:) Outdoor model Outdoor unit power supply MSC-WV - E Cooling w K /h W % Single phase 0V,50Hz 58/444 w/4w w " mm kg w db 40/ w/6w w rpm w k" k" RC4V9-K WHT-BLK 6 BLK-RED 99 85O78O /760 / (Unit,B) MUX-5WV - E Single phase 0V,50Hz w Indoor unit No. Single or B Double +B Capacity Electrical data Compressor Fan motor Special remarks Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current kw R/h K /h W (kw) % Coefficient of performance (C.O.P) Model Output W Winding " resistance (at 0:) Model Winding " resistance (at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Heating : Indoor DB0 C Outdoor DB5 C WB4 C Outdoor DB 7 C/WB 6 C Indoor-Outdoor piping length 5m w Reference value ,00 4, MC : RN45VHSHT, MC : RN45VHSHT MC :,000, MC :,000 C-R.4 C-R.4 MC :, MC : C-S.80 C-S.80 R6V60-G WHT-BLK 90 BLK-RED O640O (Room ) 0.95 (Room B) MC : 60 (NEO), MC : 60 (NEO).5O.4O.49,540

15 Capacity Electrical data Fan motor Special remarks Capacity Electrical data Compressor Fan motor Special remarks Indoor model Function Indoor unit power supply ir flow (High/Med./Low) Power outlet Running current Power input Power factor Starting current Fan motor current Model Winding resistance (at 0:) Dimensions WOHOD Weight ir direction w w Sound level (High/Med./Low) Fan speed (High/Med./Low) Fan speed regulator Thermistor RT (at 5:) Thermistor RT (at 5:) Outdoor model Outdoor unit power supply Indoor unit No. Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Power factor Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) Model Output W Winding " resistance (at 0:) Model Winding " resistance (at 0:) Dimensions WOHOD mm Weight kg Sound level db Fan speed rpm Fan speed regulator Refrigerant filling kg capacity (R40) Refrigerating oil (Model) cc MSC-09WV - E Cooling Single phase 0V,50Hz w K /h W % w w w w " mm kg db rpm k" k" kw R/h K /h W (kw) % Single or B , (Unit C,D) MSC-WV - E (Unit,B) Cooling Single phase 0V,50Hz 474/84 /06 w w 58/444 / RC4V9-L RC4V9-K WHT-BLK 4 WHT-BLK 6 BLK-RED 4 BLK-RED 99 85O78O7 85O78O w w 6/ /5 w w 40/ /6 w w 900/770 /650 w w 90/760 / MUX-6WV - E Single phase 0V,50Hz Single C or D NOTE: Test conditions are based on ISO 55. Cooling : Indoor DB7 C WB9 C Heating : Indoor DB0 C Outdoor DB5 C WB4 C Outdoor DB 7 C/WB 6 C Indoor-Outdoor piping length 5m w Reference value , Double +B.95O 0.O Double +C or +D or B+C or B+D Double C+D O.+. 0.O,760 0 Triple +B+C or +B+D.95O+.8 0.O ,0,095,060, MC : RN45VHSHT, MC : RN5VHSHT MC :,000, MC : 800 C-R.4 C-R.86 MC :, MC : C-S.80 C-S 5.7 R6V60-F WHT-BLK 79 BLK-RED O850O (Room +B).05 (Room C+D) MC : 60 (NEO), MC : 50 (NEO) Triple +C+D or B+C+D.4+.7O.+0.O 9.66, Four +B+C+D.95O+.7O 0.O+0.O 9.75,

16 Capacity System Electrical data Compressor Fan motor Special remarks Outdoor model Outdoor unit power supply Indoor units number Indoor units total capacity (Connectable) indoor units total capacity (Simultaneous operation) Piping total length Connecting pipe length Height difference (Indoor ~ Outdoor) Height difference (Indoor ~ Indoor) Function Capacity Dehumidification Outdoor air flow Power outlet Running current Power input uxiliary heater Crankcase heater Power factor Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) Model Output Winding resistance (at 0:) Model Winding resistance (at 0:) Dimensions WOHOD Weight Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R40) Refrigerating oil (Model) Thermistor RT6 Thermistor RT6 Thermistor RT6 Thermistor RT6,6B Thermistor RT65 Thermistor RT68 m m m m kw R/h K /h W (kw) W % W " " mm kg db rpm kg cc k" k" k" k" k" k" MXZ-8WV - E Single phase 0V,50Hz Total model name 4 Total model name 4 Max. 0 (chargeless 0) Max Cooling 5.4 (.55~6.0) 8.98,860 (70~,0), SNV-09FJYH (ROTRY),450 U-V.56 V-W.56 W-U.56 R6V49- WHT-BLK 9.9 BLK-YLW 4. BLK-RED (+69)o640o (NE0).4 (at 00:) 0.0 (at 5:) 0.0 (at 5:) 0.0 (at 5:) 7.0 (at 50:) 0.0 (at 5:) NOTE: Test conditions are based on ISO 55 (Refrigerant piping length (one way) :5m Electrical data is for only outdoor unit. TEST CONDITIONS COOLING INDOOR DB7.0 C WB9.0 C OUTDOOR DB5.0 C WB4.0 C HETING INDOOR DB0.0 C OUTDOOR DB 7.0 C WB 6.0 C Heating 6.6 (.58~7.) 8.55,770 (90~,850) 6

17 6 NOISE CRITERI CURVES MSC-07WV- E FN SPEED FUNCTION COOL High HET SPL(dB()) 6 LINE MSC-09WV- E FN SPEED FUNCTION SPL(dB()) COOL 6 High HET 9 LINE 90 Test conditions, Cooling : DB7: WB9: Heating : DB0: WB -: 90 Test conditions. Cooling : DB7: WB9: Heating : DB0: WB -: OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC-0 OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-0 BND CENTER FREQUENCIES, Hz BND CENTER FREQUENCIES, Hz MSC-WV- E FN SPEED FUNCTION COOL High HET SPL(dB()) 40 9 LINE MU-07WV- E MU-09WV- E FUNCTION COOL SPL(dB()) 45 LINE 90 Test conditions, Cooling : DB7: WB9: 90 Test conditions, Cooling : DB7: WB9: OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC-0 OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-0 BND CENTER FREQUENCIES, Hz BND CENTER FREQUENCIES, Hz 7

18 MU-WV- E FUNCTION COOL SPL(dB()) 49 LINE MUH-07WV- E FUNCTION COOL HET SPL(dB()) 47 LINE 90 Test conditions, Cooling :DB5: WB4: 90 Test conditions, Cooling :DB5: WB4: Heating :DB 7: WB 6: OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-70 NC-60 NC-50 NC-40 NC-0 NC-0 OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-70 NC-60 NC-50 NC-40 NC-0 NC-0 BND CENTER FREQUENCIES, Hz BND CENTER FREQUENCIES, Hz MUH-09WV- E MUH-WV- E FUNCTION COOL HET SPL(dB()) 49 LINE MUX-0WV- E FUNCTION COOL SPL(dB()) 49 LINE 90 Test conditions, Cooling :DB5: WB4: Heating :DB 7: WB 6: 90 Test conditions. Cooling : DB7: WB9: OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC-0 OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-0 BND CENTER FREQUENCIES, Hz BND CENTER FREQUENCIES, Hz 8

19 MUX-9WV - E MUX-0WV - E MUX-5WV - E FUNCTION COOL SPL(dB()) 5 LINE MUX-6WV - E FUNCTION COOL SPL(dB()) 5 LINE 90 Test conditions. Cooling :DB5: WB4: 90 Test conditions. Cooling :DB5: WB4: OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC-0 OCTVE BND SOUND PRESSURE LEVEL, db re MICRO BR NC-70 NC-60 NC-50 NC-40 NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE NC-0 BND CENTER FREQUENCIES, Hz BND CENTER FREQUENCIES, Hz MXZ-8WV - E NOTCH Cooling SPL(dB()) 49 LINE Heating Test conditions. Cooling :DB 5: WB 4: Heating :DB 7: WB 6: OCTVE BND SOUND PRESSURE LEVEL, 0dB = MICRO BR PPROXIMTE TERESHOLD OF HERING FOR CONTINUOUS NOISE BND CENTER FREQUENCIES, Hz NC-70 NC-60 NC-50 NC-40 NC-0 NC-0 9

20 7 MSC-07WV - E MSC-09WV - E OUTLINES ND DIMENSIONS INDOOR UNIT 78 Installation plate Indoor unit Unit: mm ir in 7 or more 5 5 Wall hole [65 Installation plate { Liquid line [ m Gas line [ m Insulation [7 O.D [ I.D ir out Power supply cord Lead to right.0m Lead to left 0.m Drain hose [6 (Connected part O,D) Insulation [8 Wireless remote controller MSC-WV - E INDOOR UNIT 6.5 Installation plate Indoor unit ir in 7 or more 5 5 Wall hole [65 Installation plate { Liquid line [ m Gas line [ m Insulation [7 O.D [ I.D ir out Power supply cord Lead to right.0m Lead to left 0.m Drain hose [6 (Connected part O,D) Insulation [8 Wireless remote controller 0

21 MU-07WV - E MUH-07WV - E MU-09WV - E MUH-09WV - E MU-WV - MUH-WV - E OUTDOOR UNIT REQUIRED SPCE 00mm or more 00mm or more 00mm or more Unit: mm ir in mm or more 50mm or more ir in Drainage holes [ 47 0 ir out Service panel 540 Liquid refrigerant pipe joint Refrigerant pipe (flared) [ Gas refrigerant pipe joint Refrigerant pipe (flared) [9.5 (MU-07/09WV) (MUH-07/09WV) [.7 (MU-WV) (MUH-WV)

22 OUTDOOR UNIT MUX-0WV- E ir in REQUIRED SPCE 00mm or more 00mm or more Unit: mm 0 00mm or more 09 ir in Drainage holes [ 47 0 ir out mm or more 50mm or more Service panel 540 Liquid refrigerant pipe joint Refrigerant pipe (flared) [ Gas refrigerant pipe joint Refrigerant pipe (flared) [9.5 MUX-9WV- E Drainage holes { 7 48 ir in mm or more Open as a rule 500mm or more if the front and both sides are open 00mm or more 00mm or more if there are obstacles to both sides 5 4 ir in ir out 40 Open as a rule 500mm or more if the back, both sides and top are open 50mm or more Service panel Liquid refrigerant pipe joint Refrigerant pipe (flared) { } } B UNIT UNIT Gas refrigerant pipe joint Refrigerant pipe (flared) { Gas refrigerant pipe joint Refrigerant pipe (flared) {.7

23 OUTDOOR UNIT MUX-0WV- E Open as a rule 500mm or more if the front and both sides are open Unit: mm Drainage holes { 7 48 ir in mm or more 00mm or more 00mm or more if there are obstacles to both sides 5 0 ir in 00 ir out Open as a rule 500mm or more if the back, both sides and top are open 50mm or more Service panel Liquid refrigerant pipe joint Refrigerant pipe (flared) { } C UNIT } } B UNIT UNIT Gas refrigerant pipe joint Refrigerant pipe (flared) {9.5 MUX-5WV- E Open as a rule 500mm or more if the front and both sides are open Drainage holes { 7 48 ir in mm or more 00mm or more 00mm or more if there are obstacles to both sides 5 0 ir in 00 ir out Open as a rule 500mm or more if the back, both sides and top are open 50mm or more Service panel } } B UNIT UNIT Liquid refrigerant pipe joint Refrigerant pipe (flared) { Gas refrigerant pipe joint Refrigerant pipe (flared) {.7

24 OUTDOOR UNIT MUX-6WV- E Open as a rule 500mm or more if the front and both sides are open Unit: mm Drainage holes { ir in mm or more 00mm or more 00mm or more if there are obstacles to both sides 0 5 ir in 60 ir out Open as a rule 500mm or more if the back, both sides and top are open Service panel Liquid refrigerant pipe joint Refrigerant pipe (flared) {6.5 50mm or more Gas refrigerant pipe joint Refrigerant pipe (flared) {9.5 D Unit C Unit B Unit Unit Gas refrigerant pipe joint Refrigerant pipe (flared) {.7 60 OUTDOOR UNIT MXZ-8WV - E REQUIRED SPCE Open as a rule More than00mm if the front and both sides are open Drainage holes ([) ir in 4 More than 00mm *More than 00mm 00mm or more if there are obstacles to both sides ir in 0 60 ir out 40 Open as a rule More than 00mm if the back, both sides and top are open More than 50mm * Note: The dimensions given along the arrrows above are required to guarantee the air conditioner's performance. Install the unit in as wide a place as possible for later service or repairs. Service panel Liquid refrigerant valve (flared [6.5) } B UNIT } UNIT Gas refrigerant valve (flared [9.5) 4

25 8 WIRING DIGRM MSC-07WV - E MSC-09WV - E MSC-WV - E INDOOR UNIT TO OUTDOOR UNIT CONNECTING FOR MUH OR MXZ TYPE V FOR MU OR MUX TYPE V PE POWER SUPPLY CORD ~/N 0V 50Hz TB L N BRN BLU CIRCUIT BREKER MODELS WIRING DIGRM GRN/YLW BRN RED BLU WHT BLK GRN LD0 CN 5 MV 5 TB CN0 CN0 CN 0 5 F NR C SR4 ELECTRONIC CONTROL P.C. BORD POWER MONITOR, RECEIVER P.C.BORD T REMOTE CONTROLLER CN CN CN 5 CN RT RT BLK GRY YLW BRN WHT RED MF SYMBOL C F MF MV NME SYMBOL NME SYMBOL NME INDOOR FN CPCITOR FUSE(.5) INDOOR FN MOTOR (INNER FUSE) VNE MOTOR NR RT RT SR4 VRISTOR ROOM TEMPERTURE THERMISTOR INDOOR COIL THERMISTOR SOLID STTE RELY TB TERMINL BLOCK T TRNSFORMER NOTE:. bout the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing.. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector SG79J67H0 5

26 MU-07WV - E MU-09WV - E MU-WV - E OUTDOOR UNIT MODELS WIRING DIGRM FROM INDOOR UNIT CONNECTING V CIRCUIT BREKER POWER SUPPLY ~/N 0V 50Hz PE TB TB L N WHT BLK BRN BLU GRN/YLW 5C 5C NO COM BRN WHT WHT C DSR C WHT BLU RED RED S BLK WHT BLK RED C MC MF R SYMBOL NME SYMBOL NME SYMBOL NME C C DSR COMPRESSOR CPCITOR OUTDOOR FN CPCITOR SURGE BSORBER MC MF TB,TB COMPRESSOR(INNER PROTECTOR) OUTDOOR FN MOTOR(INNER FUSE) TERMINL BLOCK 5C CONTCTOR NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing. VG79B94H0. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector MUH-07WV - E MUH-09WV - E MUH-WV - E OUTDOOR UNIT MODELS WIRING DIGRM FROM INDOOR UNIT CONNECTING V CIRCUIT BREKER POWER SUPPLY ~/N 0V 50Hz GRN/YLW BRN BLU RED BLK BRN DSR BLU SYMBOL NME SYMBOL NME SYMBOL NME C C65 DSR COMPRESSOR CPCITOR OUTDOOR FN CPCITOR SURGE BSORBER MF NR6 RT6 OUTDOOR FN MOTOR(INNER FUSE) VRISTOR DEFROST THERMISTOR TB,TB S4 5C TERMINL BLOCK R.V. COIL COMPRESSOR CONTCTOR F6 FUSE() SR6,SR6 SOLID STTE RELY MC COMPRESSOR(INNER PROTECTOR) T6 TRNS FORMER NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing. VG79B95H0. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector TB N TB L PE N TB0 6 RT6 CN70 F6 CN66 T6 4 5C C NR6 S4 CN7 SR6 R.V.coil heating ON cooling OFF SR6 CN7 WHT BLK RED C65 DEICER P.C.BORD WHT C RED MC S R BLK MF

27 MUX-0WV - E OUTDOOR UNIT MODEL WIRING DIGRM POWER SUPPLY ~ / N 0V 50Hz CIRCUIT BREKER FROM INDOOR UNIT No. CONNECTING V FROM INDOOR UNIT No.B CONNECTING V TB L N PE BRN DSR TB WHT 7 X 8 BLK YLW7 X 8 ORN BRN R R BLU BLU BLU BLU 5C NO BRN BLU BLU BLU BLU F6 TB COM BLU BLU 5C BLU BLU BLU WHT BRN F6 5 X 6 X 5 X 4 6 X 4 BRN BRN BRN WHT WHT TB WHT C C RED S WHT BLU BLK C MC WHT WHT BLU BLK MF RED RED BLU BLU R R SYMBOL NME SYMBOL NME SYMBOL NME C C DSR F6,F6 MC COMPRESSOR CPCITOR OUTDOOR FN CPCITOR SURGE BSORBER FUSE() COMPRESSOR(INNER PROTECTOR) MF TB,TB,TB X X R OUTDOOR FN MOTOR(INNER FUSE) TERMINL BLOCK RELY() RELY(B) SOLENOID COIL R R 5C SOLENOID COIL() SOLENOID COIL(B) COMPRESSOR CONTCTOR NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing. VG79B0H0. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector 7

28 MUX-9WV - E MUX-5WV - E OUTDOOR UNIT MODELS WIRING DIGRM POWER SUPPLY ~/N 0V 50Hz FROM INDOOR UNIT CONNECTING V FROM INDOOR UNIT B CONNECTING V TB L N PE CIRCUIT BREKER TB GRN/YLW BRN TB4 BLU BRN BLU YLW BLU ORN DSR BLU CN7 CN7 BRN F6 SR86 CN90 OUTDOOR CONTROL P.C. BORD NR6 T6 BRN X5 X5 BRN X5 4 X5 BLU 4 BLU C RED S BLK R MC WHT C RED S BLK R MC WHT C C CN LD LD WHT BLK MF6 RED RED RED C6 SYMBOL NME SYMBOL NME SYMBOL NME C C C6 DSR F6 COMPRESSOR CPCITOR(MC) COMPRESSOR CPCITOR(MC) OUTDOOR FN CPCITOR SURGE BSORBER FUSE(.5) MC MC MF6 NR6 SR86 COMPRESSOR(INNER PROTECTOR) COMPRESSOR(INNER PROTECTOR) OUTDOOR FN MOTOR (INNER PROTECTOR) SURGE BSORBER OUTDOOR FN RELY TB TB~TB4 T6 X5 X5 TERMINL BLOCK TERMINL BLOCK TRNSFORMER COMPRESSOR CONTCTOR(MC) COMPRESSOR CONTCTOR(MC) NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing. VG79B00H0. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector 8

29 MUX-0WV - E OUTDOOR UNIT MODEL WIRING DIGRM POWER SUPPLY ~/N 0V 50Hz BRN BLU BRN TB4 NR6 OUTDOOR CONTROL P.C. BORD T6 CN8 4 CN85 BLU 4 CN86 LD MF6 RB R R4 C6 WHT WHT BLU BLU BRN BRN BLU X5 X5 BLK BLK WHT RED RED RED LD SR86 SR86 SR866 SR865 BLU BRN TB TB CN9 CN X5 X5 BLU BLU BLU BLU CN74 CN7 CN7 F6 GRN/YLW FROM INDOOR UNIT CONNECTING V FROM INDOOR UNIT B CONNECTING V FROM INDOOR UNIT C CONNECTING V L N CIRCUIT BREKER TB PE BLU YLW BLU ORN BLU WHT C RED S R MC C C RED S BLK R MC C DSR SYMBOL NME SYMBOL NME SYMBOL NME C C C6 DSR F6 MC MC COMPRESSOR CPCITOR(MC) COMPRESSOR CPCITOR(MC) OUTDOOR FN CPCITOR SURGE BSORBER FUSE(.5) COMPRESSOR(INNER PROTECTOR) COMPRESSOR(INNER PROTECTOR) MF6 NR6 SR86 SR86 SR865 SR866 TB OUTDOOR FN MOTOR(INNER PROTECTOR) SURGE BSORBER OUTDOOR FN RELY RELY (RB) RELY (C) (R4) RELY (B) (R) TERMINL BLOCK TB~TB4 T6 X5 X5 RB R R4 TERMINL BLOCK TRNS FORMER COMPRESSOR CONTCTOR(MC) COMPRESSOR CONTCTOR(MC) SOLENOID COIL SOLENOID COIL (B) SOLENOID COIL (C) NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector VG79B0H0 9

30 MUX-6WV - E OUTDOOR UNIT MODEL WIRING DIGRM TB4 L TB BRN BRN BRN POWER SUPPLY ~/N 0V 50Hz GRN/YLW DSR BLU BRN PE CIRCUIT BREKER N BLU BLU BRN BLU TB BLU WHT OUTDOOR CONTROL P.C. BORD CN90 X5 4 X5 FROM INDOOR UNIT C CONNECTING V BLU ORN BLU BRN BLU YLW 6 T6 4 X5 X5 WHT BLK RED RED RED BLU BLU MF6 R R R R4 R RB C6 C BLK C BLK RED S MC R C WHT RED S MC R C WHT CN7 CN7 CN7 CN74 F6 FROM INDOOR UNIT D CONNECTING V FROM INDOOR UNIT B CONNECTING V TB SR86 SR868 LD LD CN9 4 5 NR6 BLU BLU SR867 BLU BLU SR866 BLU BLU BLU BLU SR865 SR864 BLU BLU SR86 FROM INDOOR UNIT CONNECTING V CN8 CN84 CN85 CN86 CN8 CN8 SYMBOL NME SYMBOL NME SYMBOL NME C C C6 DSR F6 MC MC MF6 NR6 COMPRESSOR CPCITOR(MC) COMPRESSOR CPCITOR(MC) OUTDOOR FN CPCITOR SURGE BSORBER FUSE(.5) COMPRESSOR(INNER PROTECTOR) COMPRESSOR(INNER PROTECTOR) OUTDOOR FN MOTOR(INNER PROTECTOR) SURGE BSORBER SR86 SR86 SR864 SR865 SR866 SR867 SR868 TB~TB4 T6 OUTDOOR FN RELY RELY (RB) RELY (R) RELY (D) (R4) RELY (C) (R) RELY (B) (R) RELY () (R) TERMINL BLOCK TRNS FORMER X5 X5 R RB R R R R4 COMPRESSOR CONTCTOR(MC) COMPRESSOR CONTCTOR(MC) SOLENOID COIL (BLNCE) SOLENOID COIL (BLNCE) SOLENOID COIL () SOLENOID COIL (B) SOLENOID COIL (C) SOLENOID COIL (D) NOTE:. bout the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.. Use copper conductors only. (For field wiring). Symbols below indicate. /: Terminal block, : Connector VG79B98H0 0

31 OUTDOOR UNIT MODEL MXZ-8WV- E TO INDOOR UNIT No. CONNECTING V TO INDOOR UNIT No.B CONNECTING V TB N N CIRCUIT BREKER POWER F6 SUPPLY TB BLK BLK TB ~/N 0V L 50Hz N PE BLU TB GRN LDE GRN/YLW X6 5 YLW BLK SYMBOL NME FM CTIVE FILTER MODULE CT6 CURRENT TRNSFORMER CT76 CURRENT TRNSFORMER C6 SMOOTHING CPCITOR C6 SMOOTHING CPCITOR C6 SMOOTHING CPCITOR C65 FN MOTOR CPCITOR DS6 DIODE MODULE DS6 DIODE MODULE F6 FUSE(0) F80 FUSE() F9 FUSE() F9 FUSE(.5) IPM POWER TRNSISTOR MODULE L RECTOR 4 WHT MF RED X6 CN9 NF C65 F9 BRN BRN F9 NR6 CT6 S4 CN9 R64 R64B SSR6 X64 TB4 CN90 NOISE FILTER P.C.BORD W 7 BLU ORN BLU RED CN60 CN60 R6 U N CT76 TB65 BLK WHT RED V W P IPM ORN TB6 BLU TB6 ELECTRONIC CONTROL P.C.BORD CN66 CN66 CN66 CN U BLK MC CN85 V WHT RED TB66 TB67 RT65 RT6 RT6B RT6 RT6 RT6 RT68 SYMBOL NME SYMBOL NME LEV() EXPNSION VLVE,COIL R64 RESISTOR LEV(B) EXPNSION VLVE B,COIL R64B RESISTOR L6 NORML MODE CHOKE COIL SSR6 SOLENOID COIL RELY MC COMPRESSOR TB TERMINL BLOCK MF FN MOTOR TB TERMINL BLOCK NF NOISE FILTER T80 TRNSFORMER NR6 VRISTOR X6 FN MOTOR RELY RT6 GS PIPE TEMP. THERMISTOR X6 FN MOTOR RELY RT6B GS PIPE TEMP.B THERMISTOR X64 RELY RT6 DISCHRGE TEMP.THERMISTOR S4 REVERSING VLVE SOLENOID COIL RT6 DEFROST TEMP.THERMISTOR NOTES.bout the indoor side electric wiring RT6 EVPORTOR TEMP.THERMISTOR refer to the indoor unit electric wiring RT65 FIN TEMP.THERMISTOR diagram for servicing. RT68 HIGH-PRESSURE PROTECT THERMISTOR.Use copper conductors only(for field wiring)..symbols below indicate. R6 RESISTOR :Terminal block :Connector C6 F80 T80 L6 C6 C6 DS6 FM TB6 DS6 TB64 CN77 CN BLK L BLK SG79J64H0 LEV () LEV (B)

32 9 REFRIGERNT SYSTEM DIGRM MSC-07WV - E MU-07WV - E MSC-09WV - E MU-09WV - E INDOOR UNIT Refrigerant pipe [9.5 (with heat insulator) Stop valve (with service port) Unit:mm OUTDOOR UNIT Indoor heat exchanger Indoor coil thermistor RT Flared connection Muffler Outdoor heat exchanger Room temperature thermistor RT Compressor Flared connection Strainer MSC-WV - E INDOOR UNIT Refrigerant pipe [6.5 (with heat insulator) Refrigerant pipe [.7 (with heat insulator) Capillary tube [.0x[.4x500(MU-07WV) [.0x[.4x700(MU-09WV) Refrigerant flow in cooling Unit:mm MU-WV - E OUTDOOR UNIT Indoor heat exchanger Indoor coil thermistor RT Flared connection Stop valve (with service port) Muffler Outdoor heat exchanger Room temperature thermistor RT Compressor Flared connection Stop valve Strainer Refrigerant pipe [6.5 (with heat insulator) Capillary tube [.0x[.4x550 Refrigerant flow in cooling

33 MSC-07WV - E MUH-07WV - E MSC-09WV - E MUH-09WV - E INDOOR UNIT OUTDOOR UNIT Refrigerant pipe [ 9.5 (with heat insulator) 4-way valve Unit:mm Indoor heat exchanger Indoor coil thermistor RT Flared connection Stop valve (with service port) Muffler Defrost thermistor RT6 Outdoor heat exchanger Room temperature thermistor RT MSC-WV - E INDOOR UNIT Flared connection Refrigerant pipe [6.5 (with heat insulator) Refrigerant pipe [.7 (with heat insulator) Strainer Stop valve Compressor Capillary tube [.0x[.6x50(MUH-07WV) [.0x[.6x600(MUH-09WV) 4-way valve Check valve Capillary tube [.0x[.4x800( pcs) (MUH-07WV) [.0x[.4x500( pcs) (MUH-09WV) R.V. coil heating ON cooling OFF Capillary tube [.0x[.4x050(MUH-07WV) [.0x[.4x00(MUH-09WV) Refrigerant flow in cooling Refrigerant flow in heating Unit:mm MUH-WV - E OUTDOOR UNIT Indoor heat exchanger Indoor coil thermistor RT Flared connection Stop valve (with service port) Muffler Defrost thermistor RT6 Outdoor heat exchanger Room temperature thermistor RT Capillary tube [.0x[.4x500(pcs) Compressor Capillary tube [.0x[.6x400 Flared connection Strainer Capillary tube [.0x[.6x50 R.V. coil heating ON cooling OFF Refrigerant pipe [6.5 (with heat insulator) Stop valve Check valve Refrigerant flow in cooling Refrigerant flow in heating

34 MX. REFRIGERNT PIPING LENGTH { { { Refrigerant piping Model Max. length : m MSC-07WV - E MU-07WV - E MSC-09WV - E MU-09WV - E MSC-WV - E MU-WV - E 0 5 Piping size O.D : mm Gas Liquid Length of connecting pipe : m Indoor unit Outdoor unit Gas 0.4 Gas 0 Liquid 0.5 Liquid 0 { { { Model MSC-07WV - E MUH-07WV - E MSC-09WV - E MUH-09WV - E MSC-WV - E MUH-WV - E Refrigerant piping Max. length : m 0 5 Piping size O.D : mm Gas Liquid Length of connecting pipe : m Indoor unit Outdoor unit Gas 0.4 Gas 0 Liquid 0.5 Liquid 0 MX. HEIGHT DIFFERENCE Indoor unit Height difference should be within 0m regardless of which unit, indoor or outdoor position is high. w Max. Height difference 0m Refrigerant Piping Max.length Outdoor unit DDITIONL REFRIGERNT CHRGE(R40 : g) { { { { { { Model Outdoor unit precharged 7m MSC-07WV - E MU-07WV - E MSC-09WV - E MU-09WV - E MSC-WV - E MU-WV - E Model Outdoor unit precharged 7m MSC-07WV - E MUH-07WV - E MSC-09WV - E MUH-09WV - E MSC-WV - E MUH-WV - E Refrigerant piping length (one way) 0m 5m 0m 5m Calculation : Xg=0g/m x(-7)m Refrigerant piping length (one way) 0m 5m 0m 5m Calculation : Xg=0g/m 5 x(-7)m 4

35 MSC-07WV- E MUX-0WV- E Unit : mm INDOOR UNIT OUTDOOR UNIT Room temperature thermistor RT Refrigerant pipe 9.5 (With insulation) Solenoid valve R Strainer UNIT Indoor heat exchanger Stop valve with service port Capillary tube [.0 x [.4 x 000 Muffler Flared connection Indoor coil thermistor RT Refrigerant pipe 6.5 (With insulation) Solenoid valve R Compressor Room temperature thermistor RT Refrigerant pipe 9.5 (With insulation) Stop valve Capillary tube [.0 x [.4 x 400 Strainer Capillary tube [.0 x [.6 x 900 Outdoor heat exchanger UNIT B Indoor heat exchanger Flared connection Stop valve with service port Solenoid valve R Indoor coil thermistor RT Refrigerant pipe 6.5 (With insulation) Stop valve Capillary tube [.0 x [.4 x 400 Refrigerant flow in cooling MSX-0WV- E MX. REFRIGERNT PIPING LENGTH & MX. HEIGHT DIFFERENCE Indoor unit MSC-07WV E Indoor unit B MSC-07WV E Max. length difference 0m Outdoor unit MUX-0WV E dditional piping max. length 5m DDITIONL REFRIGERNT CHRGE (R40:g) UNIT No. Outdoor unit precharged Refrigerant piping length (one way) m m m m m m m m m m m m m m m m m m m m m PIPING PREPRTION Table below shows the specifications of pipes commercially available. unit + UNIT No. and B B unit UNIT 000g Pipe Outside diameter Insulation mm thickness Insulation material For liquid mm Heat resisting foam plastic For gas mm specific gravity Ensure that the refrigerant pipes are well insulated to prevent condensation. Refrigerant bending radius must be 0cm or more. 5

36 MSC-07WV- E MSC-WV- E INDOOR UNIT Unit : mm MUX-9WV- E OUTDOOR UNIT Room temperature thermistor RT Refrigerant pipe.7 (With insulation) UNIT MSC-WV E Indoor heat exchanger Flared connection Stop valve with service port Muffler Indoor coil thermistor RT Stop valve Compressor() Room temperature thermistor RT Refrigerant pipe 6.5 (With insulation) Refrigerant pipe 9.5 (With insulation) Capillary tube [.0 x [.4 x 850 Strainer Muffler Outdoor heat exchanger UNIT B MSC-07WV E Indoor heat exchanger Flared connection Stop valve with service port Indoor coil thermistor RT Refrigerant pipe 6.5 (With insulation) Stop valve Compressor(B) Capillary tube Strainer [.0 x [.4 x 00 Refrigerant flow in cooling 6

37 MSX-9WV- E MX.REFRIGERNT PIPING LENGTH & MX. HEIGHT DIFFERENCE Indoor unit MSC-WV - E Indoor unit B MSC-07WV - E L H LB H Outdoor unit MUX-9WV - E UNIT No. Pipe length Height difference (H) No. of bends Max. limits B L LB 5m 5m 0m 0m 0 0 DDITIONL REFRIGERNT CHRGE (R40:g) unit Outdoor unit precharged 000g 7m 0 8m 0 Refrigerant piping length (one way) 9m 0m m m m m 40 5m 60 B unit Outdoor unit precharged 800g 7m 0 8m 0 Refrigerant piping length (one way, unit total) 9m 0m m m m m 40 5m 60 PIPING PREPRTION Table below shows the specifications of pipes commercially available. UNIT No. Pipe Outside diameter mm Insulation thickness Insulation material B unit unit For liquid For gas For liquid For gas mm 8mm 8mm 8mm Heat resisting foam plastic specific gravity Ensure that the refrigerant pipes are well insulated to prevent condensation. Refrigerant bending radius must be 0cm or more. 7

38 Unit : mm MSC-09WV- E INDOOR UNIT MUX-0WV- E OUTDOOR UNIT Room temperature thermistor RT Refrigerant pipe 9.5 (With insulation) UNIT MSC-09WV E Indoor heat exchanger Flared connection Stop valve with service port Muffler Indoor coil thermistor RT Stop valve Compressor() Room temperature thermistor RT Refrigerant pipe 6.5 (With insulation) Refrigerant pipe 9.5 (With insulation) Stop valve with service port Capillary tube [.0 x [.4 x 950 Strainer Strainer Solenoid valve RB Muffler Outdoor heat exchanger UNIT B MSC-09WV E Indoor heat exchanger Indoor coil thermistor RT Room temperature thermistor RT Flared connection Refrigerant pipe 6.5 (With insulation) Refrigerant pipe 9.5 Stop valve Solenoid valve R Capillary tube [.0 x [.6 x 900 Capillary tube [.0 x [.4 x 000 Compressor(B,C) Capillary tube Strainer [.0 x [.6 x 900 UNIT C MSC-09WV E Indoor heat exchanger Flared connection Stop valve with service port Stop valve Solenoid valve R4 Refrigerant flow in cooling Indoor coil thermistor RT Refrigerant pipe 6.5 (With insulation) Capillary tube [.0 x [.6 x 900 8

39 MSX-0WV- E MX.REFRIGERNT PIPING LENGTH & MX. HEIGHT DIFFERENCE Indoor unit MSC-09WV - E Indoor unit B MSC-09WV - E Indoor unit C MSC-09WV - E L H LB H LC H Outdoor unit MUX-0WV - E UNIT No. Pipe length Height difference (H) No. of bends Max. limits B C L LB LC 5m 5m 5m LB + LC Total 0m 0m 0m 0m 0 0 Total 0 5 DDITIONL REFRIGERNT CHRGE (R40:g) unit Outdoor unit precharged 7m 8m 9m Refrigerant piping length (one way) 0m m m m 4m 5m 800g B unit + C unit Outdoor unit precharged Refrigerant piping length (one way, unit total) m m m m m m m m m m m m m m m m m m m m m 000g PIPING PREPRTION Table below shows the specifications of pipes commercially available. UNIT No. Pipe Outside diameter mm Insulation thickness Insulation material, B and C unit For liquid For gas mm 8mm Heat resisting foam plastic specific gravity Ensure that the refrigerant pipes are well insulated to prevent condensation. Refrigerant bending radius must be 00mm or more. 9

40 Unit : mm MSC-WV- E INDOOR UNIT MUX-5WV- E OUTDOOR UNIT Room temperature thermistor RT Refrigerant pipe.7 (With insulation) UNIT MSC-WV E Indoor heat exchanger Flared connection Stop valve with service port Muffler Indoor coil thermistor RT Stop valve Compressor() Room temperature thermistor RT Refrigerant pipe 6.5 (With insulation) Refrigerant pipe.7 (With insulation) Capillary tube [.0 x [.4 x 700 Strainer Muffler Outdoor heat exchanger UNIT B MSC-WV E Indoor heat exchanger Flared connection Stop valve with service port Indoor coil thermistor RT Refrigerant pipe 6.5 (With insulation) Stop valve Compressor(B) Capillary tube Strainer [.0 x [.4 x 700 Refrigerant flow in cooling 40

41 MSX-5WV- E MX.REFRIGERNT PIPING LENGTH & MX. HEIGHT DIFFERENCE Indoor unit MSC-WV - E Indoor unit B MSC-WV - E L H LB H Outdoor unit MUX-5WV - E UNIT No. Pipe length Height difference (H) No. of bends Max. limits B L LB 5m 5m 0m 0m 0 0 DDITIONL REFRIGERNT CHRGE (R40:g) unit Outdoor unit precharged 7m 8m Refrigerant piping length (one way) 9m 0m m m m 4m 5m 950g B unit Outdoor unit precharged 7m 8m Refrigerant piping length (one way) 9m 0m m m m 4m 5m 950g PIPING PREPRTION Table below shows the specifications of pipes commercially available. UNIT No. Pipe Outside diameter mm Insulation thickness Insulation material and B unit For liquid For gas mm 8mm Heat resisting foam plastic specific gravity Ensure that the refrigerant pipes are well insulated to prevent condensation. Refrigerant bending radius must be 0cm or more. 4

42 MSC-09WV- E MUX-6WV- E Unit : mm MSC-WV- E INDOOR UNIT OUTDOOR UNIT Room temperature thermistor RT Refrigerant pipe {.7 (With insulation) Strainer Solenoid valve R UNIT MSC-WV- E Indoor heat exchanger Flared connection Stop valve with service port Capillary tube [.0 x [.4 x 000 Muffler Indoor coil thermistor RT Refrigerant pipe {6.5 (With insulation) Solenoid valve R Compressor Room temperature thermistor RT Refrigerant pipe {.7 (With insulation) Stop valve Capillary tube [.0 x [.8 x 700 Capillary tube [.0 x [.0 x 700 Strainer UNIT B MSC-WV- E Indoor heat exchanger Flared connection Stop valve with service port Solenoid valve R Indoor coil thermistor RT Room temperature thermistor RT Refrigerant pipe {6.5 (With insulation) Refrigerant pipe {9.5 (With insulation) Stop valve Capillary tube [.0 x [.8 x 700 Strainer Solenoid valve RB Outdoor heat exchanger UNIT C MSC-09WV- E Indoor heat exchanger Flared connection Stop valve with service port Capillary tube [.0 x [.4 x 000 Muffler Indoor coil thermistor RT Refrigerant pipe {6.5 (With insulation) Solenoid valve R Compressor Room temperature thermistor RT Refrigerant pipe {9.5 (With insulation) Stop valve Capillary tube [.0 x [.6 x 600 Capillary tube [.0 x [.8 x 800 Strainer UNIT D MSC-09WV- E Indoor heat exchanger Flared connection Stop valve with service port Solenoid valve R4 Indoor coil thermistor RT Refrigerant pipe {6.5 (With insulation) Stop valve Capillary tube [.0 x [.6 x 600 Refrigerant flow in cooling 4

43 MSX-6WV- E MX.REFRIGERNT PIPING LENGTH & MX. HEIGHT DIFFERENCE Indoor unit Indoor unit B Indoor unit C Indoor unit D MSC-WV- E MSC-WV- E MSC-09WV- E MSC-09WV- E L H LB H LC H LD H Outdoor unit MUX-6WV- E UNIT No. Pipe length Height difference (H) No. of bends Max. limits B C D L LB LC LD 5m 5m 5m 5m L + LB LC + LD Total 0m Total 0m 0m 0m 0m 0m Total 5 Total 5 DDITIONL REFRIGERNT CHRGE (R40:g) UNIT No. Outdoor unit precharged Refrigerant piping length (one way, unit total) m m m m m m m m m m m m m m m m m m m m m unit + B unit 050g C unit + D unit 050g PIPING PREPRTION UNIT No. Pipe Outside diameter mm Insulation thickness Insulation material C and and B D unit unit For liquid For gas For liquid For gas mm 8mm 8mm 8mm Heat resisting foam plastic specific gravity 4

44 MXZ-8WV - E Discharge temperature thermistor Muffler Compressor {8 Unit:mm R.V. coil heating ON cooling OFF Refrigerant flow in cooling Refrigerant flow in heating Indoor Unit B Stop valve (with service port) Gas pipe temperature B thermistor Muffler 4-way valve { { Indoor Unit Gas pipe temperature thermistor Stop valve (with service port) Capillary tube {.8 { Evaporation temperature thermistor High pressure protect thermistor Indoor Unit Indoor Unit B Stop valve Stop valve {6 Strainer {6 Strainer Capillary tube {.0 { Capillary tube {.0 { LEV () LEV (B) Strainer Outdoor heat exchanger Defrost thermistor Capillary tube {.0 { MX REFRIGERNT PIPING LENGTH MXY-8WV - E a Outdoor unit H Piping length each indoor unit (a, b) 0m Total piping length (a+b) 0m Height difference between units (H) 0m Bending point for each unit 5 Total bending point 0 It does not matter which unit is higher. b H H Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below. When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe. For further information on Different-diameter pipe, see page BCK COVER. Unit : mm (inch) Indoor unit Outdoor unit union diameter Extension pipe diameter class Pipe diameter For Liquid 6.5(/4) Liquid 6.5(/4) Liquid 6.5(/4) 07/09 Indoor unit Gas 9.5(/8) Gas 9.5(/8) Gas 9.5(/8) Liquid 6.5(/4) Liquid 6.5(/4) Liquid 6.5(/4) Indoor unit B Gas.7(/) Gas.7(/) Gas 9.5(/8) 44

45 0 PERFORMNCE CURVES MSC-07WV - E MU-07WV - E MUH-07WV - E MUX-0WV - E MUX-5WV - E MSC-09WV - E MU-09WV - E MUH-09WV - E MUX-9WV - E MUX-6WV - E MSC-WV - MU-WV - MUH-WV - MUX-0WV - MXZ-8WV - E The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions, since operating conditions vary according to the areas where these units are installed. The following information has been provided to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve. () GURNTEED VOLTGE 98~64V () IR FLOW ir flow should be set at MX. () MIN REDINGS () Indoor intake air wet-bulb temperature : CWB () Indoor outlet air wet-bulb temperature : CWB () Outdoor intake air dry-bulb temperature : CDB (4) Total input: W (5) Indoor intake air dry-bulb temperature : CDB (6) Outdoor intake air wet-bulb temperature : CWB (7) Total input : W Indoor air wet/dry-bulb temperature difference on the left side of the chart on page 4,4 and 45 shows the difference between the indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at service. How to measure the indoor air wet-bulb/dry-bulb temperature difference. ttach at least sets of wet-and dry-bulb thermometers to the indoor air intake as shown in the figure, and at least sets of wet-and dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air speed is high.. ttach at least sets of wet-and dry-bulb thermometers to the outdoor air intake. Cover the thermometers to prevent direct rays of the sun.. Check that the air filter is cleaned. 4. Open windows and doors of room. 5. Press the EMERGENCY OPERTION switch once(twice) to start the EMERGENCY COOL (HET<MUH-07/09/WV>) MODE. 6. When system stabilizes after more than 5 minutes, measure temperature and take an average temperature minutes later, measure temperature again and check that the temperature does not change. INDOOR UNIT } } Cooling Heating <MUH-07/09/WV> OUTDOOR UNIT Wet-and dry-bulb thermometers 0-.CPCITY ND THE INPUT CURVES Wet-and dry-bulb thermometers MSC-07WV - E (MU-07WV - E ) MSC-09WV - E (MU-09WV - E ) MSC-WV - E (MU-WV - E ) 45

46 MSC-07WV - E (MUH-07WV - E ) MSC-09WV - E (MUH-09WV - E ) MSC-WV - E (MUH-WV - E ) MSC-07WV - E (MUH-07WV - E ) MSC-09WV - E (MUH-09WV - E ) MSC-WV - E (MUH-WV - E ) NOTE:The above curves are for the heating operation without any frost. 0-.OUTDOOR LOW PRESSURE ND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under the same temperature/humidity condition. Dry-bulb temperature Relative humidity(%) ➁ ir flow should be set at MX. The unit of pressure has been changed to MPa on the international system of units(si unit system). The conversion factor is : (MPa[Gauge]) =0.(kgf/f[Gauge] ) (kgf/f[gauge])(mpa[gauge]). MU-07WV - E 4.0 MU-07WV - E Outdoor low pressure V Outdoor unit current () V (%) mbient temperature( C) mbient humidity(%) 5(:) (%) mbient temperature( C) mbient humidity(%) 5(:) 46

47 (kgf/f[gauge])(mpa[gauge]). MU-09WV - E 4.0 MU-09WV - E Outdoor low pressure V Outdoor unit current () V (kgf/f[gauge])(mpa[gauge]). Outdoor low pressure (%) mbient temperature( C) mbient humidity(%) MU-WV - E 0V 5(:) Outdoor unit current () (%) 5(:) mbient temperature( C) mbient humidity(%) MU-WV - E 0V (%) mbient temperature( C) mbient humidity(%) 5(:) (%) mbient temperature( C) mbient humidity(%) 5(:) (kgf/f[gauge])(mpa[gauge]). Outdoor low pressure MUH-07WV - E 0V Outdoor unit current () MUH-07WV - E 0V (kgf/f[gauge])(mpa[gauge]) (%) mbient temperature( C) mbient humidity(%) MUH-09WV - E 5(:) (%) mbient temperature( C) mbient humidity(%) MUH-09WV - E 5(:) Outdoor low pressure V Outdoor unit current () V (%) mbient temperature( C) mbient humidity(%) 5(:) mbient temperature( C) mbient humidity(%) 0 70(%) 5(:)

48 (kgf/f[gauge])(mpa[gauge]). MUH-WV - E 6.0 MUH-WV - E Outdoor low pressure V Outdoor unit current () V (%) 5(:) (%) 5(:) mbient temperature( C) mbient humidity(%) mbient temperature( C) mbient humidity(%) HET operation Condition indoor:dry bulb temperature 0.0 C Wet bulb temperature 4.5 C Outdoor:Dry bulb temperature 7,5,0 C Wet bulb temperature 6,,4.5 C 4.0 MUH-07WV - E 5.0 MUH-09WV - E Outdoor unit current () Outdoor unit current ().5 0V (:) mbient temperature( C) MUH-WV - E 0V Outdoor unit current () 4.5 0V (:) mbient temperature( C) (:) mbient temperature( C) 48

49 MSC-07WV - E MUX-0WV - E MUX-5WV - E MSC-09WV - E MUX-9WV - E MUX-6WV - E MSC-WV - MUX-0WV - E 0-.CPCITY ND THE INPUT CURVES (ONE INDOOR UNIT WITH ONE OUTDOOR UNIT) Indoor air WB temperature difference (deg.) MUX-0WV- E (MSC-07WV- E ) MUX-9WV- E (MSC-07WV- E ) MUX-9WV- E (MSC-WV- E ) MUX-0WV- E (MSC-09WV- E ) MUX-0WV- E (MSC-09WV- E ) MUX-5WV- E (MSC-WV- E ) MUX-6WV- E (MSC-WV- E ) MUX-6WV- E (MSC-09WV- E ) or B B B or C or B or B C or D 0-4.OUTDOOR LOW PRESSURE ND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under same temperature/humidity condition ➁ ir flow should be set at MX. The unit of pressure has been changed to MPa on the international system of units(si unit system). The conversion factor is : (MPa[Gauge]) =0.(kgf/f[Gauge] ) (kgf/f[gauge])(mpa[gauge]) Single operation (Unit or B). 4.0 Outdoor low pressure (kgf/f[gauge]) (kgf/f[gauge])(mpa[gauge]). Outdoor low pressure (kgf/f[gauge]) Dry-bulb temperature Relative humidity (%) MUX-0WV- E V MUX-9WV- E 0V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) Single operation (Unit ) (kgf/f[gauge])(mpa[gauge]) Single operation (Unit B) Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) V ( C) (%) mbient temperature( C) mbient humidity(%) C) (%) 0V ( C) (%) mbient temperature( C) mbient humidity(%) Outdoor low pressure (kgf/f[gauge]) V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) V ( C) (%) mbient temperature( C) mbient humidity(%) 49

50 MUX-0WV- E (kgf/f[gauge])(mpa[gauge]). Outdoor low pressure (kgf/f[gauge]) V MUX-5WV- E Single operation (Unit ) 5.0 Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) V (kgf/f[gauge])(mpa[gauge]) Single operation (Unit or B). 7.0 Outdoor low pressure (kgf/f[gauge]) 0-5. CPCITY ND THE INPUT CURVES class 09 class class MUX-6WV- E 0V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) ( C) (%) mbient temperature( C) mbient humidity(%) 0V (kgf/f[gauge])(mpa[gauge]) Single operation (Unit B or C) Outdoor low pressure (kgf/f[gauge]) ( C) (%) mbient temperature( C) mbient humidity(%) V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) V ( C) (%) mbient temperature( C) mbient humidity(%) (kgf/f[gauge])(mpa[gauge]) Single operation (Unit or B) (kgf/f[gauge])(mpa[gauge]) Single operation (Unit C or D) Outdoor low pressure (kgf/f[gauge]) V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) V Outdoor low pressure (kgf/f[gauge]) ( C) (%) mbient temperature( C) mbient humidity(%) V Outdoor unit current () ( C) (%) mbient temperature( C) mbient humidity(%) 0V ( C) (%) mbient temperature( C) mbient humidity(%) MXZ-8WV- E 50

51 class 09 class class 0-6. Capacity and input correction by inverter output frequency (OUTDOOR UNIT : MXZ-8WV) NOTE : Compressor running frequency at Hz (COOL) or 45Hz (HET). NOTE : The dotted line on graphs connects the frequency range in normal operation shown by the full line and the frequency in test run shown by the point.. 07-class unit in single operation.5 <COOL>Capacity.5 <COOL>Total input.5 <HET>Capacity.5 <HET>Total input Hz Hz Frequency Frequency. 09-class unit in single operation <COOL>Capacity <COOL>Total input Hz Hz Frequency Frequency <HET>Capacity <HET>Total input Hz Hz Hz Hz Frequency Frequency Frequency Frequency. -class unit in single operation <COOL>Capacity <COOL>Total input <HET>Capacity <HET>Total input Hz Frequency Hz Frequency Hz Frequency Hz Frequency 5

52 0-7. Outdoor low pressure and outdoor unit current. 07-class unit in single operation (OUTDOOR UNIT : MXZ-8WV) NOTE:The unit of pressure has been changed to MPa on the international system of units(si unit system). The converted score against the traditional unit system can be gotten according to the formula below. (MPa G) =0.(kgf/f G) () COOL operation Both indoor and outdoor units are under the same temperature/humidity condition. Dry-bulb temperature( C) Relative humidity(%) ir flow speed : HI Inverter output frequency : 55Hz (kgf/f Gauge) (MPa Gauge) Outdoor low pressure Hz (:) (%) mbient temperature(:)/ mbient humidity(%) <How to work fixed-frequency operation>.set emergency switch to COOL or HET. The switch is located on indoor unit..press emergency run ON/OFF button..compressor starts running at Hz (COOL) or 45Hz (HET). 4.Indoor fan runs at HI speed and continues for 0 minutes. 5.To cancel this operation, press emergency run ON/OFF button or any button on remote controller. Outdoor unit current () Hz (:) (%) mbient temperature(:)/ mbient humidity(%) () HET operation Indoor DB( C) 0.0 Outdoor WB( C) 4.5 ➁ Set air flow to Hi speed. ➂ Inverter output frequency is 80Hz. DB( C) WB( C) Outdoor unit current () Hz mbient temperature(:) 5

53 . 09-class unit in single operation (OUTDOOR UNIT : MXZ-8WV) NOTE:The unit of pressure has been changed to MPa on the international system of units(si unit system). The converted score against the traditional unit system can be gotten according to the formula below. (MPa G) =0.(kgf/f G) () COOL operation Both indoor and outdoor units are under the same temperature/humidity condition. Dry-bulb temperature( C) Relative humidity(%) ir flow speed : HI Inverter output frequency : 55Hz <How to work fixed-frequency operation>.set emergency switch to COOL or HET. The switch is located on indoor unit..press emergency run ON/OFF button..compressor starts running at Hz (COOL) or 45Hz (HET). 4.Indoor fan runs at HI speed and continues for 0 minutes. 5.To cancel this operation, press emergency run ON/OFF button or any button on remote controller. (kgf/f Gauge) (MPa Gauge) Outdoor low pressure () HET operation Indoor (:) (%) mbient temperature(:)/ mbient humidity(%) DB( C) 0.0 WB( C) 4.5 Outdoor ➁ Set air flow to Hi speed. ➂ Inverter output frequency is 80Hz. Hz Outdoor unit current () DB( C) WB( C) Hz (:) (%) mbient temperature(:)/ mbient humidity(%) 8 Outdoor unit current () Hz mbient temperature(:) 5

54 . -class unit in single operation (OUTDOOR UNIT : MXZ-8WV) NOTE:The unit of pressure has been changed to MPa on the international system of units(si unit system). The converted score against the traditional unit system can be gotten according to the formula below. (MPa G) =0.(kgf/f G) () COOL operation Both indoor and outdoor units are under the same temperature/humidity condition. Dry-bulb temperature( C) Relative humidity(%) ir flow speed : HI Inverter output frequency : 55Hz <How to work fixed-frequency operation>.set emergency switch to COOL or HET. The switch is located on indoor unit..press emergency run ON/OFF button..compressor starts running at Hz (COOL) or 45Hz (HET). 4.Indoor fan runs at HI speed and continues for 0 minutes. 5.To cancel this operation, press emergency run ON/OFF button or any button on remote controller. (kgf/f Gauge) (MPa Gauge) Outdoor low pressure Hz (:) (%) mbient temperature(:)/ mbient humidity(%) Outdoor unit current () Hz (:) (%) mbient temperature(:)/ mbient humidity(%) () HET operation Indoor DB( C) 0.0 Outdoor WB( C) 4.5 ➁ Set air flow to Hi speed. ➂ Inverter output frequency is 80Hz. DB( C) WB( C) Outdoor unit current () Hz mbient temperature(:) 54

55 PERFORMNCE DT COOL operation (0V) MSC-07WV - E : MU-07WV - E CPCITY :.(kw) SHF : 0.74 INPUT : 70(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 55

56 PERFORMNCE DT COOL operation (0V) MSC-07WV - E : MU-07WV - E CPCITY :.(kw) SHF : 0.74 INPUT : 70(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 56

57 PERFORMNCE DT COOL operation (0V) MSC-09WV - E : MU-09WV - E CPCITY :.55(kW) SHF : 0.70 INPUT : 780(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 57

58 PERFORMNCE DT COOL operation (0V) MSC-09WV - E : MU-09WV - E CPCITY :.55(kW) SHF : 0.70 INPUT : 780(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 58

59 PERFORMNCE DT COOL operation (0V) MSC-WV - E : MU-WV - E CPCITY :.45(kW) SHF : 0.67 INPUT : 40(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 59

60 PERFORMNCE DT COOL operation (0V) MSC-WV - E : MU-WV - E CPCITY :.45(kW) SHF : 0.67 INPUT : 40(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 60

61 PERFORMNCE DT COOL operation (0V) MSC-07WV - E : MUH-07WV - E CPCITY :.(kw) SHF : 0.74 INPUT : 70(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 6

62 PERFORMNCE DT COOL operation (0V) MSC-07WV - E : MUH-07WV - E CPCITY :.(kw) SHF : 0.74 INPUT : 70(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 6

63 PERFORMNCE DT COOL operation (0V) MSC-09WV - E : MUH-09WV - E CPCITY :.55(kW) SHF : 0.70 INPUT : 780(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 6

64 PERFORMNCE DT COOL operation (0V) MSC-09WV - E : MUH-09WV - E CPCITY :.55(kW) SHF : 0.70 INPUT : 780(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 64

65 PERFORMNCE DT COOL operation (0V) MSC-WV - E : MUH-WV - E CPCITY :.40(kW) SHF : 0.67 INPUT : 060(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 65

66 PERFORMNCE DT COOL operation (0V) MSC-WV - E : MUH-WV - E CPCITY :.40(kW) SHF : 0.67 INPUT : 060(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 66

67 PERFORMNCE DT HET operation (0V) MSC-07WV - E : MUH-07WV - E CPCITY :.5 kw INPUT : 690 W OUTDOOR WB(;) INDOOR DB(;) Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT MSC-09WV - E : MUH-09WV - E CPCITY :.05 kw INPUT : 840 W OUTDOOR WB(;) INDOOR DB(;) Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT MSC-WV - E : MUH-WV - E CPCITY :.9 kw INPUT : 080 W OUTDOOR WB(;) INDOOR DB(;) Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT NOTE Q:Total capacity (kw) INPUT:Total power input (W) DB:Dry-bulb temperature WB:Wet-bulb temperature 67

68 PERFORMNCE DT COOL operation (0V) MSC-07WV - E (Single) : MUX-0WV - E CPCITY :.4(kW) SHF : 0.74 INPUT : 760(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 68

69 PERFORMNCE DT COOL operation (0V) MSC-07WV - E (Single) : MUX-0WV - E CPCITY :.4(kW) SHF : 0.74 INPUT : 760(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 69

70 PERFORMNCE DT COOL operation (0V) MSC-07WV - E (Single : Room B) : MUX-9WV - E CPCITY :.4(kW) SHF : 0.74 INPUT : 80(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 70

71 PERFORMNCE DT COOL operation (0V) MSC-07WV - E (Single : Room B) : MUX-9WV - E CPCITY :.4(kW) SHF : 0.74 INPUT : 80(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 7

72 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single : Room ) : MUX-9WV - E CPCITY :.5(kW) SHF : 0.7 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 7

73 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single : Room ) : MUX-9WV - E CPCITY :.5(kW) SHF : 0.7 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 7

74 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room ) : MUX-0WV - E CPCITY :.6(kW) SHF : 0.75 INPUT : 850(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 74

75 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room ) : MUX-0WV - E CPCITY :.6(kW) SHF : 0.75 INPUT : 850(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 75

76 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room B) : MUX-0WV - E CPCITY :.9(kW) SHF : 0.7 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 76

77 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room B) : MUX-0WV - E CPCITY :.9(kW) SHF : 0.7 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 77

78 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single) : MUX-5WV - E CPCITY :.5(kW) SHF : 0.7 INPUT : 40(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 78

79 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single) : MUX-5WV - E CPCITY :.5(kW) SHF : 0.7 INPUT : 40(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 79

80 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room C ) : MUX-6WV - E CPCITY :.75(kW) SHF :0.7 INPUT : 050(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 80

81 PERFORMNCE DT COOL operation (0V) MSC-09WV - E (Single : Room C ) : MUX-6WV - E CPCITY :.75(kW) SHF : 0.7 INPUT : 050(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 8

82 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single : Room ) : MUX-6WV - E CPCITY :.4(kW) SHF : 0.77 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 8

83 PERFORMNCE DT COOL operation (0V) MSC-WV - E (Single : Room ) : MUX-6WV - E CPCITY :.4(kW) SHF : 0.77 INPUT : 0(W) OUTDOOR DB(:) INDOOR INDOOR DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT NOTE Q :Total capacity (kw) SHF :Sensible heat factor DB :Dry-bulb temperature SHC :Sensible heat capacity (kw) INPUT :Total power input (W) WB :Wet-bulb temperature 8

84 / MICROPROCESSOR CONTROL MSC-07WV - E MU-07WV - E MUH-07WV - E MUX-0WV - E MUX-5WV - MSC-09WV - E MU-09WV - E MUH-09WV - E MUX-9WV - E MUX-6WV - MSC-WV - MU-WV - MUH-WV - MUX-0WV - E Once the operation mode are set, the same operation mode can be repeated by simply turning the OPERTE/STOP (ON/OFF) button ON. Indoor unit receives the signal with a beep tone. When the system turns off, -minute time delay will operate to protect system from overload and compressor will not restart for minutes. E E WIRELESS REMOTE CONTROLLER Signal transmitting section Operation display section OPERTE /STOP (ON /OFF)button ON/OFF TOO WRM M PM TOO COOL TEMPERTURE buttons INDOOR UNIT DISPLY SECTION Operation Indicator lamp The operation indicator at the right side of the indoor unit indicates the operation state. The following indication does not depend on the shape of lamp. Operation Indicator lighted not lighted Open the front lid. FN SPEED CONTROL button OPERTION SELECT button ECONO COOL button RESET button I FEEL HET /FN ON/OFF COOL DRY MODE ECONO COOL TOO WRM FN VNE RESET CLOCK CLOCK M PM TOO COOL STOP STRT HR. MIN. OFF-TIMER button ON-TIMER button HR. button MIN. button (TIME SET button) CLOCK SET button VNE CONTROL button Indication Operation state This shows that the air conditioner is operating to reach the target temperature. Please wait until the target temperature is obtained. This shows that the room temperature is approaching the target temperature. Difference between target temperature and room temperature pprox. : or more pprox. : or less -. COOL ( ) OPERTION () Press OPERTE/STOP(ON/OFF) button. OPERTION INDICTOR lamp of the indoor unit turns on with a beep tone. () Select COOL mode with the OPERTION SELECT button. () Press TEMPERTURE buttons (TOO WRM or TOO COOL button)to select the desired temperature. The setting range is 6 ~ C Difference between room. Thermostat control temperature and set temperature during operation Thermostat is ON or OFF by difference between room temperature and set temperature Initial temperature difference Thermostat Set temperature Room temperature minus set temperature : 0. : or more ON Room temperature minus set temperature : less than -0. : OFF -0. : 0. :. Indoor fan speed control Indoor fan operates continuously at the set speed by FN SPEED CONTROL button regardless of thermostat s OFF-ON. In uto the fan speed is as follows. Initial temperature difference Fan speed Room temperature minus set temperature :.7 degrees or more High Room temperature minus set temperature : Between and.7 degrees Med. Room temperature minus set temperature : less than degree Low Difference between room temperature and set temperature during operation deg..7 deg. deg. 84

85 . Coil frost prevention Temperature control When the indoor coil thermistor RT reads 4 C or below(msc-07/09wv) / 0 C or below(msc-wv) for 5 minutes, the coil frost prevention mode starts. The indoor fan operates at the set speed and the compressor stops for 5 minutes. fter that, if RT still reads below 4 C (MSC-07/09WV) / 0 C (MSC-WV), this mode is prolonged until the RT reads over 4 C (MSC-07/09WV) / 0 C (MSC-WV). Time control When the three conditions as follows have been satisfied for hour and 45 minutes, the compressor stops for minutes. The indoor fan operates at the set speed. a. Compressor has been continuously operating. b. Indoor fan speed is Low or Med. c. Room temperature is below 6 C. When compressor stops, the accumulated time is cancelled. When compressor restarts, time counting starts from the beginning. Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds 6 C. However, when two of the above conditions (b.and c.) are satisfied again, time accumulation is resumed. Operation chart Example ON ON Compressor Outdoor fan OFF OFF Indoor fan ON ( continuously at set speed) -. DRY ( ) OPERTION () Press OPERTE/STOP(ON/OFF) button. OPERTION INDICTOR lamp of the indoor unit turns on with a beep tone. () Select DRY mode with the OPERTION SELECT button. () The microprocessor reads the room temperature and determines the set temperature. Set temperature is as shown on the right chart. DRY operation will not function when the room temperature is C or below. (4) When DRY operation functions the fan speed is lower than COOL operation except at (fan speed) Low. Set temperature Set temperature and : initial room temperature in dry mode The system for dry operation uses the same refrigerant circuit as the cooling circuit. The compressor and the indoor fan are controlled by the room temperature : Initial room temperature Difference between room. Thermostat control temperature and set temperature Thermostat is ON or OFF by difference between room temperature and set temperature. during operation Initial temperature difference Thermostat Set temperature Room temperature minus set temperature : 0. : or more ON Room temperature minus set temperature : less than -0. : OFF -0. : 0. :. Indoor fan speed control Indoor fan operates at the set speed by FN SPEED CONTROL button. In uto fan speed becomes Low.. The operation of the compressor and indoor / outdoor fan <MU-07/09/WV, MUH-07/09/WV, MUX-0/9/0/5/6WV> Compressor operates by room temperature control and time control. Indoor fan and outdoor fan operate in the same cycle as the compressor. When the room temperature is C or over: When the thermostat is ON, the compressor repeats 8 minutes ON and minutes OFF. When the thermostat is OFF, the compressor repeats 4 minutes OFF and minute ON. When the room temperature is under C. When the thermostat is ON, the compressor repeats minutes ON and minutes OFF. When the thermostat is OFF, the compressor repeats 4 minutes OFF and minute ON. 85

86 Operation time chart Example Thermostat OFF ON OFF ON ON ON ON Indoor fan OFF OFF OFF ON ON ON Outdoor fan Compressor OFF OFF OFF 8 min. min. 4 min. min. 4. Coil frost prevention The operation is as same as coil frost prevention during COOL operation.(refer to -..) However when coil frost prevention works while the indoor fan is OFF, its speed becomes set speed. -. FN ( ) OPERTION <MU-07/09/WV, MUX-0/9/0/5/6WV> () Press OPERTE/STOP(ON/OFF) button. OPERTION INDICTOR lamp of the indoor unit turns on with a beep tone. () Select FN mode with the OPERTION SELECT button. () Select the desired fan speed. When UTO, it becomes Low. Only indoor fan operates. Outdoor unit does not operate. -4. HET ( ) OPERTION <MUH-07/09/WV> () Press OPERTE/STOP(ON/OFF) button. OPERTION INDICTOR lamp of the indoor unit turns on with a beep tone. () Select HET mode with the OPERTION SELECT button. () Press TEMPERTURE buttons (TOO WRM or TOO COOL button) to select the desired temperature. The setting range is 6 ~ C. Difference between room temperature and set temperature during operation. Thermostat control Thermostat is ON or OFF by difference between room temperature and set temperature. Set temperature Initial temperature difference Thermostat -0. deg. Room temperature minus set temperature : less than -0. : ON Room temperature minus set temperature : 0. : or more OFF 0. deg.. Indoor fan speed control () Indoor fan operates at the set speed by FN SPEED CONTROL button. In uto the fan speed is as follows. Initial temperature difference Fan speed Set temperature minus room temperature:.7 degrees or more High Set temperature minus room temperature: Between and.7 degrees Med. Set temperature minus room temperature: less than degree Low Difference between room temperature and set temperature during operation deg..7 deg. deg. () Cold air prevention control When the compressor is not operating, () if the temperature of indoor coil thermistor RT is 0 C or less, the fan stops. () if the temperature of indoor coil thermistor RT is more than 0 C, the fan operates at Very Low. When the compressor is operating, () if the temperature of RT is C or more, the fan operates at set speed. () if the temperature of RT is less than C and () if the temperature of room temperature thermistor RT is 5 C or less, the fan stops. () if the temperature of room temperature thermistor RT is more than 5 C, the fan operates at Very Low. Released Cold ir Prevention 8: : NOTE : If the temperature of RT reads from 8 C to C at the air conditioner stating and also after defrosting, this control works. 86 Fan speed Set speed Very Low or stop

87 () Warm air control. When the following any condition of (a. ~ c.) and the condition of are satisfied at the same time, warm air control works. a.) When outdoor unit starts operating inhet mode. b.) When cold air prevention has been released. c.) When defrosting has been finished When the temperature of indoor coil thermistor RT is less than 7 C. When warm air control works, the fan speed changes as follows to blow out warm air gradually. Gradation of fan speed in initial <Time condition> <Indoor fan speed> less than minutes Low minutes to 4 minutes Med. more than 4 minutes High The upper limit of the fan speed in MNUL is the set speed. The upper limit of the fan speed in UTO is the speed decided by indoor fan speed control.(refer to -4..().) When the temperature of RT has been 7 C or more, or when the set speed has been changed, this control is released and the fan speed is the set speed.. High pressure protection <MUH-07/09/WV> During heating operation, the outdoor fan motor is controlled by the temperature of indoor coil thermistor RT for excess rise protection of compressor discharge pressure. Outdoor fan OFF: 5: Outdoor fan Outdoor fan ON: 48: Operation chart Example Indoor coil thermistor RT temperature 5 C High pressure protection Released 48: 5: OFF ON Outdoor fan motor turn OFF 48 C Outdoor fan motor turn ON Outdoor fan motor ON OFF ON OFF NOTE : During high pressure protection and for 4 min. and 5 sec. after high pressure protection, defrosting of outdoor heat exchanger is not detected by the defrost thermistor RT6.(Refer to Defrosting.) 87

88 4. Defrosting <MUH-07/09/WV> Defrosting of outdoor heat exchanger is controlled by DEICER P.C. board, with detection by the defrost thermistor RT6. () Starting conditions of defrost When all conditions of a) ~ c) are satisfied, the defrosting operation starts. a) The compressor cumulative operation time exceeds 40 minutes without the defrosting operation working. b) RT6 reads - C or less. c) fter releasing the high pressure protection 4 minutes and 5 seconds have elapsed. () Releasing conditions of defrost When the condition d) or e) is satisfied, the defrosting operation stops. d) RT6 reads. C or more. e) The defrosting time exceeds 0 minutes. Operation time chart Example Defrost thermistor RT6.: or more -: or less Outdoor 5C contactor (Compressor) ON OFF X6 (R.V. coil) ON OFF 0 sec. 5 sec. 0 sec. 5 sec. SR6 Outdoor fan ON OFF Defrost counter ON OFF Max 0 min. Indoor fan ON Very Low OFF NOTE Indoor Horizontal vane Horizontal Set position NOTE When the indoor coil thermistor RT reads above 0 C, indoor fan operates at Very Low for 0 seconds. When the indoor coil thermistor RT reads 0 C or less, the indoor fan stops. 88

89 5. R.V. coil control <MUH-07/09/WV> Heating ON Cooling OFF Dry OFF When operation starts, the 4-way valve reverses for 5 seconds right before start-up of the compressor. Operation time chart (COOL/DRY) (HET) 5 sec. 5 sec. Compressor R.V. coil Outdoor fan ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF -5. I FEEL CONTROL ( ) OPERTION () Press OPERTE/STOP(ON/OFF) button. OPERTION INDICTOR lamp of the indoor unit turns on with a beep tone. () Select I FEEL CONTROL ( ) mode with the OPER- TION SELECT button. () The operation mode is determined by the initial room temperature at start-up of the operation, as shown on the right table. Initial room temperature MU&MUX type MUH type 5: or more 5: or more more than:, less than 5: :or more, less than 5: less than : Mode COOL mode of "I FEEL CONTROL" DRY mode of "I FEEL CONTROL" HET mode of "I FEEL CONTROL" Once the mode is fixed, the mode does not change by room temperature afterwards. Under the ON-TIMER ( ) operation, mode is determined according to the room temperature at set time the operation starts. When the system is stopped on the remote controller and restarted within hours in I FEEL CONTROL ( ) mode, the system operates in previous mode automatically regardless of the room temperature. Operation time chart Example Previous operation COOL mode of I FEEL CONTROL or COOL mode Restart COOL mode of I FEEL CONTROL When the system is restarted after hours and more, the operation mode is determined by the room temperature at start-up of the operation. Operation time chart Example Previous operation COOL mode of I FEEL CONTROL or COOL mode Restart COOL or DRY or HET mode of I FEEL CONTROL that determined by room temperature at start-up of the operation. 89

90 (4) The initial set temperature is decided by the initial room temperature. Mode MU & MUX type Initial room temperature MUH type Initial set temperature COOL mode of "I FEEL CONTROL" 6: or more 5: or more, less than 6: 6: or more 4: Initial room temperature minus : Initial room temperature minus : DRY mode of "I FEEL CONTROL" HET mode of "I FEEL CONTROL" more than :, less than 5: 5: or more, less than 6: : or more, less than5: less than : 6: When the system is restarted with the remote controller, the system operates with the previous set temperature regardless of the room temperature at restart. (5) TEMPERTURES buttons In I FEEL CONTROL ( ) mode, set temperature is decided by the microprocessor based on the room temperature. In addition, set temperature can be controlled by TOO WRM or TOO COOL buttons when you feel too cool or too warm. Each time the TOO WRM or TOO COOL button is pressed, the indoor unit receives the signal and emits a beep tone. Fuzzy control When the TOO COOL or TOO WRM button is pressed, the microprocessor changes the set temperature, considering the room temperature, the frequency of pressing TOO COOL or TOO WRM button and the user s preference to heat or cool. So this is called Fuzzy control, and works only in I FEEL CONTROL mode. In DRY mode of I FEEL CONTROL, the set temperature doesn t change. TOO COOL To raise the set temperature ~ degrees( C) TOO WRM To lower the set temperature ~ degrees( C) -5-. COOL mode of I FEEL CONTROL. Thermostat control Thermostat control is as same as COOL OPERTION.(-..). Indoor fan speed control Indoor fan speed control is as same as COOL OPERTION.(-..). Coil frost prevention Coil frost prevention is as same as COOL OPERTION.(-..) -5-. DRY mode of I FEEL CONTROL. Thermostat control Thermostat control is as same as DRY OPERTION.(-..). Indoor fan speed control Indoor fan speed control is as same as DRY OPERTION.(-..). The operation of the compressor and indoor/outdoor fan The operation of the compressor and indoor/outdoor fan is as same as DRY OPERTION.(-..) 4. Coil frost prevention Coil frost prevention is as same as DRY OPERTION.(-.4.) -5-. HET mode of I FEEL CONTROL <MUH-07/09/WV>. Thermostat control Thermostat control is as same as HET OPERTION.(-4..). Indoor fan speed control Indoor fan speed control is as same as HET OPERTION.(-4..). High pressure protection High pressure protection is as same as HET OPERTION.(-4..) 4. Defrosting Defrosting is as same as HET OPERTION.(-4.4.) 5. R.V. coil control R.V. coil control is as same as HET OPERTION.(-4.5.) 90

91 -6. FN MOTOR CONTROL () Rotational frequency feedback control The indoor fan motor is equipped with a rotational frequency sensor, and outputs signal to the microprocessor to feedback the rotational frequency. Comparing the current rotational frequency with the target rotational frequency (High,Med.,Low), the microprocessor controls SR4 and adjusts fan motor electric current to make the current rotational frequency close to the target rotational frequency. With this control, when the fan speed is switched, the rotational frequency changes smoothly. High Med. Low High () Fan motor lock-up protection When the rotational frequency feedback signal is not output for seconds, (or when the microprocessor cannot detect the signal for seconds) the fan motor is regarded locked-up. Then the electric current to the fan motor is shut off. minutes later, the electric current is applied to the fan motor again. During the fan motor lock-up, the OPERTION INDIC- TOR lamp flashes on and off to show the fan motor abnormality. (Refer to page 09.) -7. UTO VNE OPERTION () Vane motor drive These models are equipped with a stepping motor for the horizontal vane. The rotating direction, speed, and angle of the motor are controlled by pulse signals (approx. V) transmitted from indoor microprocessor. () The horizontal vane angle and mode changes as follows by pressing the VNE CONTROL button. () Positioning The vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired angle. Confirming of standard position is performed in case of follows. (a) When the OPERTE/STOP(ON/OFF) button is pressed. (b) When the vane control is changed from UTO to MNUL. (c) When the SWING is finished. (d) When the test run starts. (e) When the power supply turns ON. (4) VNE UTO ( ) mode In VNE UTO mode, the microprocessor automatically determines the vane angle to make the optimum room-temperature distribution. In COOL and DRY operation Vane angle is fixed to ngle. In FN operation <MU-07/09/WV> In HET operation <MUH-07/09/WV> Vane angle is fixed to ngle 4. (5) Dew prevention During COOL or DRY operation at Vane ngle 4 or 5 when the cumulative operation time of compressor exceeds hour, the vane angle automatically changes to ngle for dew prevention. (6) SWING MODE ( ) By selecting SWING mode with the VNE CONTROL button, the horizontal vane swings vertically. The remote controller displays. 9

92 (7) Cold air prevention in HET operation <MUH-07/09/WV> When any of the following conditions occurs in HET operation, the horizontal vane angle changes to ngle automatically to prevent cold air blowing on users. Compressor is not operating. ➁ Defrosting is performed. ➂ Indoor coil thermistor RT reads 4: or below. ➃ Indoor coil thermistor RT temperature is raising from 4 C or below, but it does not exceed 8:. Indoor coil thermistor RT temperature Released Cold air prevention 4: 8: Horizontal vane Set position ngle NOTE : If the temperature of RT reads from 4 C to 8 C at the air conditioner stating, this control works. (8) ECONO COOL ( ) operation (ECONOmical operation) When the ECONO COOL button is pressed in COOL mode, set temperature is automatically set C higher than that in COOL mode. lso the horizontal vane swings in various cycle according to the temperature of indoor heat exchanger(rt). SWING operation makes you feel cooler than set temperature. So, even though the set temperature is higher than that in COOL mode, the air conditioner can keep comfort. s a result, energy can be saved. ECONO COOL operation is cancelled when the ECONO COOL button is pressed once again or VNE CONTROL button is pressed or operation mode is changed. NOTE : ECONO COOL operation does not work in COOL mode of I FEEL CONTROL. SWING operation In swing operation of ECONO COOL operation mode, the initial air flow direction is adjusted to Horizontal. ccording to the temperature of indoor coil thermistor RT at starting of this operation, next downward blow time is decided. Then when the downward blow has been finished, next upward blow time is decided. For initial 0 min. the swing operation is performed in table G~H for quick cooling. lso, after 0 min. when the difference of set temperature and room temperature is more than degrees, the swing operation is performed in table D~H for more cooling. The air conditioner repeats the swing operation in various cycle as follows. Temperature of indoor coil thermistor RT Downward blow time (sec.) Horizontal blow time (sec.) B C D E F G H 5 C or less 5 C to 7 C 7 C to 8 C 8 C to 0 C 0 C to C C to C C to 4 C more than 4 C TIMER OPERTION. How to set the timer () Press OPERTE/STOP(ON/OFF) button to start the air conditioner. () Check that the current time is set correctly. NOTE : Timer operation will not work without setting the current time. Initially M0:00 blinks at the current time display of TIME MONITOR, so set the current time correctly with CLOCK SET button. () Press ON or OFF TIMER buttons to select the operation. button... UTO STRT operation (ON timer) button... UTO STOP operation (OFF timer) 9

93 (4) Press HR. and MIN. button to set the timer. Time setting is 0-minute units. HR. and MIN. button will work when or mark is flashing. These marks disappear in minute. fter setting the ON timer, check that OPERTION INDICTOR lamp of the indoor unit lights. NOTE : Be sure to place the remote controller at the position where its signal can reach the air conditioner even during TIMER operation, or the set time may deviate within the range of about 0 minutes. NOTE : Reset the timer in the following cases, or the set time may deviate and other malfunctions may occur. power failure occurs. The circuit breaker functions.. Cancel TIMER setting can be cancelled with the ON or OFF TIMER buttons. ( or ) To cancel the ON timer, press the button. To cancel the OFF timer, press the button. TIMER is cancelled and the display of set time disappears. PROGRM TIMER The OFF timer and ON timer can be used in combination. and display shows the order of the OFF timer and ON timer operation. (Example ) The current time is 8:00 PM. The unit turns off at :00 PM, and on at 6:00 M. (Example ) The current time is :00 M. The unit turns on at 5:00 PM, and off at 9:00 PM. PM PM M PM NOTE : TIMER setting will be cancelled by power failure or breaker functioning. -9. EMERGENCY-TEST OPERTION In case of test run operation or emergency operation, use the EMERGENCY OPERTION switch on the front of the indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of remote controller run down. The unit will start and the OPERTION INDICTOR lamp will light. The first 0 minutes of operation is the test run operation. This operation is for servicing. The indoor fan speed runs at High speed and the system is in continuous operation. (The thermostat is ON.) fter 0 minutes of test run operation the system shifts to EMERGENCY COOL [/HET <MUH-07/09/WV, MXZ-8WV>] MODE with a set temperature of 4 C. The fan speed shifts to Med. speed. The coil frost prevention works even in emergency operation [, and defrosting <MUH-07/09/WV, MXZ-8WV> too]. In the test run or emergency operation, the horizontal vane operates in VNE UTO ( ) mode. Emergency operation continues until the EMERGENCY OPERTION switch is pressed once again (MU-07/09/WV, MUX-0/9/0/5/6WV)/once or twice (MUH-07/09/WV, MXZ-8WV) or the unit receives any signal from the remote controller. In case of latter normal operation will start. NOTE : Do not press the EMERGENCY OPERTION switch during normal operation. The following indication does not depend on the shape of lamp. OPERTION INDICTOR lamp Press once <Cool> Press again <Heat> EMERGENCY OPERTION switch 9 Press once again <Stop> w Heat is available only in MUH-07/09/WV and MXZ-8WV.

94 -0. OUTDOOR UNIT CTUTOR CONTROL MUX-0WV - E MUX-9WV - E MUX-5WV - E CTUTOR OUTDOOR FN MOTOR SOLENOID VLVE MUX-0WV - E CTUTOR OUTDOOR FN MOTOR SOLENOID VLVE MC MF6 R (BLNCE) R R MC MC MF6 R R4 RB INDOOR UNIT ON OFF ON OFF ON (CLOSE) OFF (OPEN) ON (OPEN) OFF (CLOSE) ON (OPEN) OFF (CLOSE) INDOOR UNIT ON OFF ON OFF ON OFF ON (OPEN) OFF (CLOSE) ON (OPEN) OFF (CLOSE) ON (CLOSE) OFF (OPEN) B ON ON ON OFF OFF ON OFF OFF NY UNIT ON OFF OFF ON ON ON OFF OFF ON OFF OFF ON OFF ON OFF ON OFF B ON ON OFF OFF C ON OFF ON OFF NY UNIT ON OFF OFF ON OFF ON ON OFF OFF OFF ON OFF ON OFF ON OFF means that the indoor unit is not related to the control of actuator. CTUTOR COMPRE- SSOR COMPRE- SSOR COMPRE- SSOR COMPRE- SSOR OUTDOOR FN MOTOR MUX-6WV - E CTUTOR OUTDOOR FN MOTOR SOLENOID VLVE MC MC MF6 MC MC MF6 R R R R4 R INDOOR UNIT ON OFF ON OFF ON OFF INDOOR UNIT ON OFF ON OFF ON OFF ON (OPEN) OFF (CLOSE) ON (OPEN) OFF (CLOSE) ON (OPEN) OFF (CLOSE) ON (OPEN) OFF (CLOSE) ON (CLOSE) (BLNCE) OFF (OPEN) RB ON (CLOSE) (BLNCE) OFF (OPEN) B ON OFF ON OFF NY UNIT ON OFF OFF ON ON OFF OFF B ON OFF ON OFF C ON ON OFF OFF D ON OFF ON OFF NY UNIT ON OFF ON OFF ON ON OFF OFF OFF ON OFF ON OFF ON OFF OFF ON OFF ON ON OFF OFF OFF ON OFF ON OFF ON OFF 94

95 - INVERTER MULTI SYSTEM CONTROL MXZ-8WV - E Output signal Input signal Indoor unit microprocessor Compressor power factor Compressor primary current Compressor secondary current Outdoor unit control microprocessor SSR6 Drive circuit Transistor module Fin temperature thermistor RT65 Comp. Discharge temperature thermistor RT6 x 6 x 6 Indoor Unit B Indoor Unit Gas pipe temperature thermistor RT6B Gas pipe temperature thermistor RT6 R. V. coil S4 Evaporation temperature thermistor RT6 Highpressure protect thermistor RT68 Outdoor fan motor MF6 Indoor Unit LEV () Defrost thermistor RT6 Indoor Unit B LEV (B) 95

96 --. INVERTER MIN POWER SUPPLY CIRCUIT NOISE FILTER P.C.BORD ELECTRONIC CONTROL P.C. BORD POWER SUPPLY L N R64/R64B L6/L6 X64 CT6 DS6/DS6 + - L6 L FM + IPM P U V N W CT76 V MC U W --. Outline of main power supply circuit. t the start of operation Rush current is generated the instant the electricity is turned on to the main power supply circuit to operate the compressor. To prevent the rush current from running into the main power supply circuit, R64, R64B (Current-limiting resistor) absorbs the rush current. fter the rush current is absorbed, X64 (Relay) is ON and the circuit to R is short-circuited, then the electricity to R is bypassed. When X64 is ON, the system starts the operation of compressor.. t normal operation The noise of alternating current of power supply is eliminated by L6, L6 (Common mode choke coil). Then DS6, DS6 (Diode stack) performs full-wave rectification of alternating current and the alternating current is converted to direct current. C6, C6 and C6 (Smoothing capacitor) stabilizes the power supply converted to direct current from alternating current and supplies it to IPM (Intelligent power module). Direct current rectified by DS6, DS6 is converted to three-phase alternating current by IPM. Microcomputer installed in the electronic control P.C. board controls frequency and voltage of three-phase alternating current converted by IPM. Three-phase alternating current is supplied from IPM to the compressor with frequency and voltage decided by microcomputer based on various kinds of information. CT6, CT76 (Current transformer) measures the current of main power supply circuit.. Power-factor improvement of power supply and harmonics control lthough C6, C6, and C6 [smoothing capacitor] are used in this inverter circuit in order to supply direct-current stably, since the charge current to a capacitor turns into intermittent current in the stable circuit with only a capacitor, power factor of power supply gets worse and harmonics ingredient also becomes large. Then, FM [active filter module] and L [reactor] have been arranged on direct-current circuit, and the improvement of power factor and generating of harmonics are controlled by bringing the intermittent current waveform of alternating power supply close to sine wave synchronized with the power supply voltage waveform. (Note ) Note : When short-circuited between plus and minus pole of direct-current circuit, alternating power supply current flows. By controlling time of short-circuiting to flow proper amount of current in the intermittent portion of alternating power supply current constantly, the current waveform of alternating power supply is brought close to sine wave. 4. Removal of electric noise Because of the noise filter circuit formed by L6 and L6 [CMC coil] and the capacitor on the noise filter board, the electric noise of the alternating power supply supplied to the main power supply circuit is removed. Moreover, common mode noise is absorbed with the above-mentioned noise filter, and the normal mode noise is absorbed in the noise filter circuit formed by L6 [NMC coil] and the capacitors [C650, C650B, and C650C] on the control board so that the electric noise generated in the inverter circuit may not leak out. 96

97 5. IPM Six power transistors that outputs the direct current waveform as three-phase alternating current waveform, the driving circuit which operates the power transistors, and the overcurrent detecting circuit which protects the power transistors are built into the IPM. It can simplify and miniaturize the control circuit. 6.FM [ctive Filter Module] The circuit that detects power supply voltage waveform, the circuit that detects the current flowing in module, the switching element that short-circuits between plus and minus pole of direct-current circuit, and the switching element driving current are built into FM. The current waveform is automatically adjusted by controlling the interval of short-circuit between plus and minus pole of direct-current circuit so that the waveform of actual current flowing to service power supply is synchronized with the phase of power supply voltage waveform detected by FM. --. Function of main parts SYMBOL NME C6,C6, C6 SMOOTHING CPCITOR CT6, CT76 CURRENT TRNSFORMER DS6, DS6 DIODE STCK IPM INTELLIGENT POWER MODULE L RECTOR L6, L6 COMMON MODE CHOKE COIL L6 NORML MODE CH6KE COIL R CURRENT-LIMITING RESISTOR X64 RELY FUNCTION It stabilizes the direct current voltage. It measures the current of main power supply circuit. It converts the alternating current voltage to direct current voltage. It generates three-phase alternating current and operates compressor. It is combined with DS6 to improve the power factor of power supply. It eliminates and absorbs the electrical noise. It absorbs the rush current not to run into the main power supply circuit when the electricity is turned on. It short-circuits the circuit to current-limiting resistor when the compressor operates. -. Optimal voltage control The purpose of optimal voltage control is to operate the compressor at optimal voltage that meets the load detected by the power factor of the compressor.. Optimal s shown on the right the efficiency (ratio of output against input) of the motor in the compressor becomes optimal when the sliding (ratio of difference between the actual number of rotation and the number of synchronous rotation of motor) is one fixed value. The value of sliding can be calculated from the power factor since the sliding and the power factor are mutually related as shown in the table on the right. To make the value of sliding so that the efficiency of motor is optimal, the power factor of the compressor is detected. Then the detected power factor is controlled so that its efficiency can be high. s a result, it is possible to operate the compressor at optimal voltage. Power factor slip 0 efficiency. How to determine the optimal voltage Compare the detected power factor with the target power factor so that the efficiency of motor is optimal, the voltage correction value is changed and the optimal output voltage is determined. Optimal output voltage[v]= Standard voltage at certain frequency [V]x voltage correction value(%) Target power factor minus detected power factor (Calculated value is supposed to be "".) [-% -%<<+% ]+% Calculation of voltage correction value (%) Previous voltage correction value minus Same as previous voltage correction value Previous voltage correction value plus 97

98 - LEV control Linear expansion valve (LEV) is controlled by "Thermostat ON" commands given from each unit. Indoor unit status Stop of all indoor unit When outdoor unit is operating, some indoor units stop and some operate. Thermostat OFF in COOL or DRY mode Thermostat ON in COOL or DRY mode Thermostat OFF in HET mode Thermostat ON in HET mode Determination of LEV standard opening in each indoor unit LEV opening Opening before stop 500 pulse in 5 minutes COOL : 5 pulse (full closed) HET : 59 pulse (slightly opened) When the outdoor unit operates (When the other indoor unit operates): 5 pulse. When outdoor unit stops. (When the other indoor unit stops or thermo off): Maintain LEV opening before stop 500 pulse in 5 minutes LEV opening for each indoor unit is determined by adding adjustment in accordance with the number of operating unit and the capacity class to standard opening, based on the operation frequency: Ex.) Opening 0 pulse in standard opening Minimum 80 pulse, Maximum 05 pulse. (Capacity code 4 at unit operation) (Capacity code at 4 units operation) fter starting operation, adjustment in accordance with intake super heat, discharge temperature is included in standard opening. w Note: LEV opening in each frequency at DRY operation and COOL operation is the same. However, velocity and compressor operation frequency controls are different. See - Operational frequency range (s far as the indoor unit velocity control goes, refer to DRY operation in MICROPROCESSOR CONTROL in the indoor unit service manual.) When the outdoor unit operates. (When the other indoor unit operates): 59 pulse When the outdoor unit stops. (When the other indoor unit stops or thermo off): Maintain LEV opening before stop 500 pulse in 5 minutes. LEV opening for each indoor unit is determined by adding adjustment in accordance with the number of operating unit and the capacity class to standard opening, based on the operation frequency: Ex.) Opening 0 pulse in standard opening Minimum 70 pulse, Maximum 65 pulse. (Capacity code 4 at unit operation) (Capacity code at 4 units operation) fter starting operation, opening becomes the one that adjustment in accordance with discharge temperature was added to basic opening. w w LEV opening when the outdoor unit is operating: Upper limit 500 pulse, Lower limit 59 pulse. The standard opening is on the straight line, which connects an each standard point in the section where divided into seven according to the operation frequency of compressor as shown in the figure below. (LEV opening is controlled in proportion to the operation frequency.) Note: Opening is adjusted at the standard opening according to the indoor unit conditions. However, inclination of standard opening in each point of opening does not change with the original curve. dd opening provided in Difference in Capacity in the table below to the standard opening from to 8, when capacity of the indoor unit is excluding code. dd opening provided in Difference in Operation number in the table below to determined LEV opening for each indoor unit, when, or 4 indoor units are operated at the same time. Note: Even when the adjusted standard opening exceeds the driving range from 59 to 500 pulse, actual driving output opening is in a range from 59 to 500 pulse. < Calculation example of LEV opening > Cool operation: Compressor frequency 70Hz: units ON: 8 class (70-50)p(80-60)o(70-60) =05 pulse LEV opening (Pulse) Standard opening Operation frequency of compressor (Hz) : F 98 COOL HET

99 COOL HET Standard opening (pulse) Difference in capacity Code Code Difference in operation number Capacity code Indoor unit <Correction> Suction super heat (MIN gas pipe temperature thermistor - Evaporation temperature thermistor) Each correction w (Each gas pipe temperature thermistor - Evaporation temperature thermistor) Discharge temperature COOL DRY HET - w w w Perform this, when number of operation units is units or more. w When the correction opening of suction super heat is 0, correct the LEV opening by discharge temperature. () LEV opening correction by suction super heat (COOL, DRY) (Suction super heat) = (Minimum gas pipe temperature) - (Evaporation temperature) When COOL and DRY, correct the LEV openings corrected from the table below. Suction superheat (S.H.) more than 0 to 8 to 0 6 to 8 6 or less LEV opening correction (pulse) () Separate correction (COOL,DRY) (When number of operation unit is units) (a) Correction by the separate super heat Correct the LEV separately by temperature difference between each gas pipe temperature thermistor and evaporator temperature thermistor. Calculate each super heat of the unit from the expression below; (Super heat) = (Each gas pipe temperature) - (Minimum gas pipe temperature) Separate correction is performed according to each super heat in the table below. Superheat more than 9 6 to9 to 6 6 or less LEV opening correction (pulse)

100 () LEV opening correction by discharge temperature When LEV correction output is 0 pulse by the suction super heat at COOL or DRY operation, or HET operating, correct LEV is corrected according to the following table. The target discharge temperature is determined according to frequency zone and number of operation unit of the compressor. Operation frequency of compressor Minimum ~ 0 ~ 4 ~ ~ ~ 7 7 ~ ~ ~ ~ Maximum Single Correct the LEV opening according to the difference between target discharge temperature and discharge temperature. -4.Operational frequency range LEV opening correction (pulse) COOL, DRY HET Number of operating unit Number of operating unit Discharge temperature (;) Double More than Target discharge temperature+ Target discharge temperature+ to Target discharge temperature+8 Target discharge temperature+8 to Target discharge temperature+5 Target discharge temperature+5 to Target discharge temperature+ Target discharge temperature+ to Target discharge temperature- Target discharge temperature- to Target discharge temperature-5 Target discharge temperature-5 to Target discharge temperature-8 Target discharge temperature-8 to Target discharge temperature- Target discharge temperature- or less Number of operating unit capacity code COOL (Hz) DRY HET (Hz) Min. Max. Rated (Hz) Min. Max. Defrost Rated Heat defrosting control Single LEV opening correction (pulse) COOL () Conditions to enter defrosting mode. When temperature of defrosting thermistor is -; or less..when specified non-defrosting time, is counted in the control p.c.board is satisfied. (Total time of compressor operating) Going to defrosting mode at both condition of and. () Defrosting operation. Compressor stops for 50 seconds, Indoor fan is off, Defrosting lamp lights..4-way valve reverses flow, Compressor operates by the frequency in heat defrosting control.. fter compressor stops for 5 seconds, 4-way valve reverses flow, then defrosting finishes. () Conditions to finish defrosting mode. When the defrosting thermistor temperature is.; or more.. When it has spent 0 minutes for defrosting. Defrosting finishes at condition of or. HET Double Note: When the fan speed of indoor unit is totally Low notch, the maximum frequency is rated frequency. 00

101 -6.Discharge temperature protection control This protection controls the compressor ON/OFF and operation frequency according to temperature of the discharge temp. thermistor. () Compressor ON/OFF When temperature of the discharge temp. thermistor exceeds 6;, the control stops the compressor. When temperature of the discharge temp. thermistor is 80; or less, the controls starts the compressor. () Compressor operation frequency When temperature of the discharge temp. thermistor is expected to be higher than 6;, the control decreases Hz from the current frequency. When temperature of the discharge temp. thermistor is expected to be higher than ; and less than 6;, the control decreases 6Hz from the current frequency. When temperature of the discharge temp. thermistor is expected to be higher than 04; and less than ;, the control is set at the current frequency. -7.Refrigerant recovery control on heating <Control status> The control performs when the all the following status are satisfied; When one or more indoor units are operating in HET mode. (Excluding thermostat OFF) When discharge temperature becomes 07; or more. When it passed 60 minutes or more since the operation has started or the last refrigerant recovery has controlled. <Control details> LEV opening of indoor unit not operating is controlled to be 80 pulse. <Control finish status> The control finishes either as follows. However, the LEV opening is considered to be 59 pulse. When it passed 60 seconds since the control has started. When the discharge temperature is 90; or less. -8.Outdoor fan control Fan speed is switched according to the number of operating indoor unit and the compressor frequency. Fan speed <Relation between compressor frequency and fan speed.> Down Up Hi Indoor unit operation Mode Fan speed Single Double Low Up 60Hz 60Hz COOL Min. Compressor frequency Max. Down 50Hz 50Hz Up 60Hz 60Hz HET Down 50Hz 50Hz Note When the indoor coil thermistor is 57; or more on HET operation, fan speed is fixed to Low notch. Or, the indoor coil thermistor is 45; or less on HET operation, fan speed is back to normal. -9.Relation between main sensor and actuator Relation between main sensor and actuator. Sensor Discharge temperature thermistor Purpose Protection Compressor LEV ctuator Outdoor fan motor Reversing valve Indoor pipe temperature thermistor Defrosting Protection Defrost thermistor Defrosting Evaporation temperature thermistor Control Gas pipe temperature thermistor Control Fin temperature thermistor Protection High-pressure protect thermistor Protection Capacity code Control 0

102 SERVICE FUNCTIONS MSC-07WV - E MU-07WV - E MUH-07WV - E MUX-0WV - E MUX-5WV - E MSC-09WV - E MU-09WV - E MUH-09WV - E MUX-9WV - E MUX-6WV - E MSC-WV - MU-WV - MUH-WV - MUX-0WV - MXZ-8WV - E -. COMPULSORY DEFROSTING MODE FOR SERVICE <MUH-07/09/WV> By short circuit of the connector JPDS and JPSG on the outdoor deicer P.C. board, defrosting mode can be accomplished regardless of the defrost interval restriction. (See page 5.) Defrost thermistor RT6 must read below - C. -. CHNGE IN DEFROST SETTING <MUH-07/09/WV> <JRF> When the JRF wire of the deicer P.C. board is cut, the defrost interval time will be changed. (See page 5.) <JRG> When the JRG wire of the deicer P.C. board is cut, the defrost temperature will be changed. (See page 5.) MODEL Jumper wire Change point MUH-07WV - MUH-09WV - MUH-WV - E E E JRF JRG Defrost interval time changes from 40 minutes to 5 minutes Deforst start temperature changes from -: to 0: Deforst finish temperature changes from.: to 0.:. Note: MXZ-8WV is not equipped with the system to change the setting of defrosting. The unit has been set to perform more effective defrosting than conventional models, so it is not necessary to change the setting even in the area where frost forms easily. Refer to page 00, -5. Heat defrosting control, for defrosting control. -. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the electronic control P.C. board. The time will be shortened as follows. (Refer to page 4.) Set time : minute -second Set time : minutes -second (It takes minutes for the compressor to start operation. However, the starting time is shortened by short circuit of JPG and JPS.) -4. P.C. BORD MODIFICTION FOR INDIVIDUL OPERTION maximum of 4 indoor units with wireless remote controllers can be used in a room. In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must be modified according to the number of the indoor unit. How to modify the remote controller P.C. board Remove batteries before modification. The board has a print as shown below : NOTE : For remodelling, take out the batteries and push the OPERTE/STOP(ON/OFF) button twice or times at first. fter finish remodelling, put back the batteries then press the RESET button. Table The P.C. board has the print J and J. Solder J and J according to the number of indoor unit as shown in Table. fter modification, press the RESET button. No. unit No. unit No. unit No. 4 unit unit operation No modification units operation Same as at left Solder J units operation Same as at left Same as at left Solder J 4 units operation Same as at left Same as at left Same as at left Solder both J and J 0

103 How to set the remote controller exclusively for particular indoor unit fter you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote controller for the indoor unit. The indoor unit will only accepts the signal from the remote controller that has been assigned to the indoor unit once they are set. The setting will be cancelled if the breaker has turned off, or the power supply has shut down. Please conduct the above setting once again after the power has restored. -5. REMOTE CONTROLLER (How to set the type) This remote controller setting needs to be switched according to the type of air conditioner (COOL & HET or COOL ONLY). If the setting is incorrect, the air conditioner does not operate normally. Therefore, check if the setting corresponds to the type of air conditioner. If not, correct the setting as shown below. Slide switch Type COOL & HET COOL ONLY The position of the slide switch -6. MU & MUXTYPE/MUH & MXZ TYPE SWITCH OVER ND UTO RESTRT FUNCTION. MU & MUX TYPE/MUH & MXZ TYPE SWITCH OVER The indoor units for MU & MUX type and MUH & MXZ type are common specifications. Set switch according to the type of outdoor unit. The units are set for MUH & MXZ type when they are shipped from the factory. SW- sets the UTO RESTRT FUNCTION ON / OFF. SW- switches over the MU &MUX type/ MUH & MXZtype. When the units are shipped from the factory, SW is as follows. SW-: UTO RESTRT FUNCTION OFF SW-: MUH & MXZ type } How to switch over MU & MUX TYPE/MUH & MXZ TYPE! Turn off the main power for the Pull out the electronic control P.C. board, and change switch(sw-) on the indoor electronic control P.C. board according to the type of outdoor unit as following figures. TB F L0 C CN0 CN CN0 FRONT Outdoor unit MU & MUX type Set switch upside. Outdoor unit MUH & MXZ type Set switch downside. IC0 CN CN5 CN SW SW SW SW SW. UTO RESTRT FUNCTION If a ground is incorrect, it may cause an electric shock. When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are memorized by the indoor electronic control P.C.board. The UTO RESTRT FUNCTION sets to work the moment power has restored after power failure.then, the unit will restart automatically. However if the unit is operated in I FEEL CONTROL mode before power failure, the operation is not memorized. In I FEEL CONTROL mode, the operation is decided by the initial room temperature. UTO RESTRT FUNCTION is OFF when the units are shipped from the factory. How to set UTO RESTRT FUNCTION! Turn off the main power for the Pull out the electronic control P.C. board, and change switch(sw-) on the indoor electronic control P.C. board as following figures. UTO RESTRT FUNCTION OFF Set switch upside. NOTE: If the indoor-outdoor connecting wire is incorrectly connected on the terminal block, the unit does not operate normally. UTO RESTRT FUNCTION ON Set switch downside. SW SW Operation! If the main power (0V C) has been cut, the operation settings fter the power is restored, the unit restarts automatically according to the memory. (However, it takes at least minutes for the compressor to start running.) 0

104 HET /FN / HET /FN / NOTE The operation settings are memorized when 0 seconds have passed after the remote controller was operated. If main power is cut while UTO STRT/STOP timer is active, the timer setting is cancelled. If the unit has been off with the remote controller before power failure, the auto restart function does not work as the power button of the remote controller is off. To prevent breaker off due to the rush of starting current, systematize other home appliance not to turn on at the same time. When some air conditioners are connected to the same supply system, if they are operated before power failure, the starting current of all the compressors may flow simultaneously at restart. Therefore, the special counter-measures are required to prevent the main voltage-drop or the rush of the starting current by adding system that allows the units to start one by one. TROUBLESHOOTING MSC-07WV - E MU-07WV - E MUH-07WV - E MUX-0WV - E MUX-5WV - MSC-09WV - E MU-09WV - E MUH-09WV - E MUX-9WV - E MUX-6WV - MSC-WV - MU-WV - MUH-WV - MUX-0WV - E -. Cautions on troubleshooting. Before troubleshooting, check the following: ) Check the power supply voltage. ) Check the indoor/outdoor connecting wire for mis-wiring.. Take care the following during servicing. ) Before servicing the air conditioner, be sure to first turn off the remote controller to stop the unit, and then after confirming the horizontal vane is closed, turn off the breaker and/or disconnect the power plug. ) Be sure to turn OFF the power supply before removing the front panel, the cabinet, the top panel, and the electronic control P.C. board. ) When removing the electronic control P.C. board, hold the edge of the board with care NOT to apply stress on the components. 4) When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires. E E Lead wiring Housing point. Troubleshooting procedure ) First, check if the OPERTION INDICTOR lamp on the indoor unit is flashing on and off to indicate an abnormality. To make sure, check how many times the abnormality indication is flashing on and off before starting service work. ) If the electronic control P.C. board is supposed to be defective, check the copper foil pattern for disconnection and the components for bursting and discoloration. ) When troubleshooting, refer to the flow chart on page 05, 06 and the check table on page 07 ~ How to replace batteries Weak batteries may cause the remote controller malfunction. In this case, replace the batteries to operate the remote controller normally. Remove the front lid and insert batteries. Then reattach the front lid. Press the RESET button. Insert the negative pole of the batteries first. Check if the polarity of the batteries are correct. RESET button NOTE : If the RESET button is not pressed, the remote controller may not operate correctly. 04

105 -. Instruction of troubleshooting MSC-07WV - E MU-07WV - E MUH-07WV - E MUX-0WV - E MUX-5WV - MSC-09WV - E MU-09WV - E MUH-09WV - E MUX-9WV - E MUX-6WV - MSC-WV - MU-WV - MUH-WV - MUX-0WV - E Start E E Indoor unit operates. Outdoor unit doesn't operate. Indoor unit operates. Outdoor unit doesn't operate normally. Indoor unit doesn't receive the signal from remote controller. OPERTION INDICTOR lamp on the indoor unit is flashing on and off. Indoor unit operates. But indoor unit doesn't blow out cool air. Outdoor unit operates in only Test Run operation. Outdoor unit doesn't operate even in Test Run operation. Outdoor unit doesn't stop even if indoor unit stops. Unit doesn't operate normal operation in COOL or HET mode. Indoor unit operates, when the EMERGENCY OPERTION switch is pressed. Indoor unit doesn't operate, when the EMERGENCY OPERTION switch is pressed. Check room temperature thermistor. Refer to "Test point diagram and voltage" on page 4. MUH-07/09/WV MUX-9/0/ 5/6WV Refer to D "Check of outdoor unit" on page or 4. MU/H-07/09/WV Refer to E "Check of outdoor unit" on page 5. MUH-07/09/WV Refer to F "Check of R.V. coil" on page 6. Refer to B "Check of remote controller and receiver P.C. board" on page.. Check indoor / outdoor connecting wire.. Refer to C "Check of indoor electronic control P.C. board" on page. MUX-0/9/0/ 5/6WV Refer to I "Check of indoor/outdoor units' connection and outdoor unit" on page 8. MUH-07/09/WV Flash on and off at 0.5- second intervals Cause: Indoor/ Outdoor unit Mis-wiring MUH-07/09/WV -time flash Cause: Outdoor / Indoor unit Trouble of serial signal -time flash Cause: Indoor unit Trouble of room temperature/ indoor coil thermistor -time flash Cause: Indoor unit Trouble of indoor fan motor 6-time flash Cause: Outdoor unit Trouble of thermistor in outdoor unit 7-time flash Cause: Outdoor unit Trouble of outdoor control system Refer to G "How to check mis-wiring and serial signal error (When outdoor unit doesn't work)" on page 7. W Check room temperature thermistor and indoor coil thermistor. Refer to "Test point diagram and voltage" on page 4. Refer to "Check of indoor fan motor" on page. MUH-07/09/WV Refer to H "Check of outdoor thermistor" on page 8. MUH-07/09/WV Replace the deicer P.C. board. W.<The case of the trouble of the serial signal> When the power is turned off and then turned on again, the indication shows the trouble of mis-wiring. 05

106 MXZ-8WV - E Operation start Check the outdoor unit LED indicator. OFF J Check of power supply See page 9. Both LED and LED lighting LED or LED has blinked. Refer to indicator list on page 08, 09. Indoor unit serial signal error K Check of serial signal See page 9. COOL or HET operation only L Check of R.V.coil See page 0. When cooling, heat exchanger of non-operating indoor unit frosts. When heating, nonoperating indoor unit gets warm. M Check of LEV See page. When cooling, dew drops in the non-operating indoor unit. Check of mispiping When heating, room does not get warm. N Check of inverter, compressor See page. Check mis-piping, shortage of capacity When cooling, room does not cool. N Check of inverter, compressor See page. 06

107 -. Troubleshooting check table The following indication does not depend on the shape of lamp. flashing Operation Indicator Flashing of the OPERTION INDICTOR lamp (on the left-hand side) indicates possible abnormalities. The OPERTION INDICTOR lamp (on the left-hand side) is lighting during normal operation. Before taking measures, make sure that the symptom reappears, for accurate troubleshooting. Self check table NO. bnormal point Indication Symptom Detect method Check point MUH type Mis-wiring MUH type Serial signal 0.5-second ON 0.5-second OFF -time flash Outdoor unit does not run. When serial signal stops for 4 to 5 seconds after st on of 5C relay by POWER turning on. When serial signal from outdoor unit stops for 4 to 5 seconds. Check switch SW-.(MU type or MUH type) Check wiring (visual check and conductivity check). Check indoor electronic control P.C.board. Check outdoor DEICER P.C. board. Check electrical parts..5-second OFF Indoor coil thermistor Room temperature thermistor -time flash.5-second OFF Outdoor unit does not run. Detect Indoor coil/room temperature thermistor short or open circuit every 8 seconds during operation. Check resistance of thermistor. Reconnect connector. Check indoor electronic control P.C.board. Indoor fan motor -time flash.5-second OFF Indoor fan motor repeats seconds ON and minutes OFF. When the indoor fan motor breaks, the fan keeps stopping. When rotational frequency feedback pulse signal is not emit during -second indoor fan operation. Disconnect connector CN and then check connector CN - to make sure rotational frequency feedback signal of.5v or over exists. Check indoor electronic control P.C. board. Check indoor fan motor. Reconnect connector. 4 MUH type Defrost thermistor 6-time flash Outdoor unit does not run. When the defrost thermistor shorts or opens after the compressor start-up. Check outdoor DEICER P.C. board.(muh) Check resistance of thermistor. Reconnect connector..5-second OFF 5 MUH type Out door control system error 7-time flash.5-second OFF Outdoor unit does not run. When it cannot properly read Check outdoor control P.C. board. data in the nonvolatile memory of outdoor electronic control P.C. board. 07

108 MXZ-8WV - E <OUTDOOR UNIT> LED (Red) Lighting LED (Yellow) Lighting Error mode Normal LED (Red) Indication LED (Yellow) bnormal point Lighting Once Indoor unit and LEV Symptom: Outdoor unit does not operate. Detecting method When the drain abnormality is detected in the indoor unit and the indoor unit coil temperature is too low, or when any abnormality is detected in the components of indoor unit. Check points Check the abnormality indication on the indoor unit. Check the LEV. Lighting Twice Outdoor power system Lighting 7 times Outdoor control system Lighting 8 times ctive filter module When the compressor operation has been interrupted by over current protection continuously three times within minute after start-up. When the nonvolatile memory data cannot be read properly on the outdoor electronic control P.C. board. When active filter module self-protection has been performed continuously three times. Check the inverter/compressor. Replace the outdoor electronic control P.C. board. Replace the outdoor electronic control P.C. board. Lighting 9 times DC voltage sensing circuit When DC voltage sensing circuit detects 57V or below or 95V or above. Replace the outdoor electronic control P.C. board. LED (Red) Indication LED (Yellow) bnormal point Lighting times Discharge temperature thermistor Symptom: Outdoor unit repeats to stop and restart in minutes Detecting method When a short or open circuit occurs in the discharge temperature thermistor during compressor running. Check points Check the characteristic of the discharge temperature thermistor. Check the connector. (CN66) Lighting 4 times Fin temperature thermistor When a short or open circuit occurs in the fin temperature thermistor during compressor running. Check the characteristic of the fin temperature thermistor. Check the connector. (CN66) P.C. board temperature thermistor When a short or open circuit occurs in the P.C. board temperature thermistor during compressor running. Replace the outdoor electronic control P.C. board. Lighting Lighting Lighting 5 times 5 times Evaporation temperature thermistor High pressure protect thermistor Gas pipe temperature thermistor 0 times Gas pipe temperature B thermistor When a short or open circuit occurs in the evaporation temperature thermistor during compressor running. When high pressure protect thermistor is short or open while compressor is operating. When a short or open circuit occurs in the gas pipe temperature thermistor during compressor running. When a short or open circuit occurs in the gas pipe temperature B thermistor during compressor running. Check the characteristic of the evaporation temperature thermistor. Check the connector. (CN66) Check the characteristic of the high pressure protect thermistor. Check the connector. (CN66) Check the characteristic of the gas pipe temperature thermistor. Check the connector. (CN66) Check the characteristic of the gas pipe temperature B thermistor. Check the connector. (CN66) Twice Goes out Over current protection When over current is applied to the power module. Check the inverter/compressor. Check the amount of gas. Check the indoor/outdoor air flow for short cycle. Check the indoor unit air filter for clogging. times Goes out 4 times Goes out 4 times Goes out Discharge temperature overheat protection Fin temperature overheat protection P.C. board temperature overheat protection When the discharge temperature thermistor detects 6: or above. (Protection will be released at 00: or below.) When the fin temperature thermistor detects 87: or above. When the P.C. board temperature thermistor detects 70: or above. Check the amount of gas and the refrigerant cycle. Check the outdoor unit air passage. Check the outdoor unit air passage. Check the outdoor fan motor. Check the power module. Check the outdoor unit air passage. Check the outdoor fan motor. Replace the outdoor electronic control P.C. board. 5 times Goes out High pressure protection When high pressure protect thermistor detects 69: or more. Check the outdoor unit air passage. Check the outdoor fan motor. 08

109 LED (Red) Indication LED (Yellow) bnormal point Symptom: Outdoor unit operates (The compressor operates at reduced frequency) Detecting method Once Lighting Current protection When the outdoor unit input current exceeds. Twice Lighting High pressure protection When indoor pipe temperature exceeds 55 C during heating. Twice Lighting Defrosting in cooling When indoor pipe temperature falls to 6 C or below during cooling. times Lighting 4 times Lighting Discharge temperature protection Low discharge temperature protection When the discharge temperature exceeds 04 C. When the state with low discharge temperature of which 7 C or below in COOL and 5 C or below in HET for 0 minutes. 5 times Lighting High pressure protection When high pressure protect thermistor detects 58: or more. 6 times Lighting Overload protection When the compressor load exceeds the specified value. Check points These symptoms do not mean any abnormality of the product, but check the following points. ir filter clogging. mount of gas. Short cycle of indoor/outdoor air flow. Symptom: Outdoor unit operates. LED (Red) Indication LED (Yellow) bnormal point Detecting method Check points Lighting 5 times Defrost thermistor Check the characteristic of the defrost temperature thermistor. Check the connector. (CN66) Lighting 6 times Power factor detection When the compressor power factor cannot be detected. Check the compressor wiring. Lighting 8 times ctive filter module protection When active filter module self-protection has been performed. Lighting 9 times Service mode When a short or open circuit occurs in the defrost thermistor during heating. When operating unit with compressor relay connector disconnected. -4. Trouble criterion of main parts MSC-07WV - E MSC-09WV - E MSC-WV - E Part name Room temperature thermistor (RT) Indoor coil thermistor (RT) Check method and criterion Measure the resistance with a tester. (Part temperature 0 C ~ 0 C) Normal MSC-07/09/WV 8kΩ ~ 0kΩ bnormal Open or short-circuit Figure Measure the resistance between the terminals with a tester. (Coil wiring temperature0 C ~ 0 C) Indoor fan motor (MF) INNER FUSE 6i C CUT OFF Motor part Sensor part Color of lead wire WHT-BLK BLK-RED Normal MSC-07/09WV MSC-WV 96 ~ 40Ω 0 ~ 9Ω 0 ~ 48Ω 87 ~ Ω Measure the voltage Power ON. Color of lead wire BRN-YLW YLW-GRY Normal MSC-07/09/WV 4.5 ~ 5.5V (When fan revolved one time) 0V 5V 0V (pprox.) bnormal bnormal Open or short-circuit Remain 0V or 5V FUSE WHT RED BLK YLW GRY BRN Vane motor (MV) Measure the resistance between the terminals with a tester. (Part temperature0 C ~ 0 C) Normal MSC-07/09/WV 40 ~ 60Ω bnormal Open or short-circuit RED YLW BRN ORN ROTOR GRN 09

110 MU-07WV - E MUH-07WV - E MU-09WV - E MUH-09WV - E MU-WV - MUH-WV - E Part name Defrost thermistor (RT6) <MUH- 07/09/WV> Check method and criterion Measure the resistance with a tester. (Part temperature 0 C ~ 40 C) Normal bnormal MUH-07/09/WV Open or short-circuit 5kΩ ~ 60kΩ Figure Compressor (MC) INNER PROTECTOR MU-07/09WV MUH-07/09WV 50i 5 C OPEN 90i0 C CLOSE MU-WV MUH-WV 55i 5 C OPEN 90i0 C CLOSE Measure the resistance between the terminals with a tester. (Coil wiring temperature 0 C ~ 40 C) Normal bnormal MU-07WV MU-09WV MU-WV C-R.4~4.8Ω.99~.67Ω.46~.0Ω Open or short-circuit C-S 5.4~6.6Ω 4.0~4.9Ω.96~.6Ω C-R C-S Normal MUH-07WV MUH-09WV MUH-WV.4~4.8Ω 5.4~6.6Ω.99~.67Ω 4.0~4.9Ω.46~.0Ω.96~.6Ω bnormal Open or short-circuit WHT C P UX. MIN S R BLK RED Measure the resistance between the terminals with a tester. (Coil wiring temperature 0 C ~ 40 C) Outdoor fan motor INNER (MF) INNER FUSE 6i C CUT OFF Color of lead wire WHT-BLK BLK-RED Color of lead wire WHT-BLK BLK-RED Normal MU-07/09WV MU-WV ~8Ω 65~5Ω 8~47Ω 9~59Ω Normal MUH-07WV MUH-09/WV ~8Ω 65~5Ω 8~47Ω 9~59Ω bnormal Open or short-circuit bnormal Open or short-circuit MIN UX. FUSE BLK REDWHT P INNER PROTECTOR MUX-0WV - E MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV - E Part name Compressor (MC, MC, MC) INNER PROTECTOR 50 C OPEN 90 C CLOSE C-R C-S C-R C-S Check method and criterion Measure the resistance between the terminals with a tester. (Coil wiring temperature-0 C ~ 40 C) Normal MUX-0WV MUX-9WV MUX-0WV RN09VHSHT RN45VHSHT RN09VHSHT RN099VHSHT RN5VHSHT.4 ~ 4.8Ω.4 ~.6Ω.4 ~ 4.8Ω.99 ~.67Ω.5 ~.09Ω 5.4 ~ 6.6Ω.5 ~ 4.Ω 5.4 ~ 6.6Ω 4.0 ~ 4.9Ω 5.04 ~ 6.8Ω RN45VHSHT.4 ~.6Ω.5 ~ 4.Ω MUX-5WV RN45VHSHT.4 ~.6Ω.5 ~ 4.Ω Normal RN45VHSHT.4 ~.6Ω.5 ~ 4.Ω MUX-6WV RN5VHSHT.5 ~.09Ω 5.04 ~ 6.8Ω bnormal Open or short-circuit bnormal Open or short-circuit Figure P 0

111 MUX-0WV - E MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV - E Part name Check method and criterion Figure Outdoor fan motor (MF, MF6) INNER FUSE MUX-0WV 45 C OPEN Measure the resistance between the terminals with a tester. (Coil wiring temperature -0 C ~ 40 C) WHT-BLK BLK-RED MUX-0WV 96 ~ 4Ω 08 ~ 46Ω Normal MUX-9WV 79 ~ 98Ω 9 ~ 58Ω MUX-0WV 79 ~ 98Ω 9 ~ 58Ω bnormal Open or short-circuit MUX-0WV FUSE BLK RED WHT INNER PROTECTOR MUX-9/0/5/ 6WV 45i8 C OPEN Solenoid coil R, R, RB, R, R, R, R4 Measure the resistance between the terminals with a tester. (Coil wiring temperature -0 C ~ 40 C) WHT-BLK BLK-RED MUX-5WV 79 ~ 98Ω 9 ~ 58Ω Normal MUX-6WV 69 ~ 85Ω 70 ~ 86Ω bnormal Open or short-circuit Measure the resistance with a tester. (Part temperature -0 C ~ 40 C) Normal bnormal 40 ~ 70Ω Open or short-circuit MUX-9/0/5/ 6WV P BLK RED WHT MXZ-8WV - E Part name Defrost thermistor Evaporation/Gas pipe temperature thermistor Discharge temperature thermistor Measure the resistance using a tester. (Part temperature -0 C ~ 40 C) Normal 5kΩ ~ 55kΩ Normal 00kΩ ~ 50kΩ Check method and criterion abnormal Open or short-circuit Measure the resistance using a tester, after warming up the thermistor by holding by hand. (Part temperature : 0 C ~40 C) abnormal Opened or short-circuited Compressor W RED Measure the resistance between terminals using a tester. (Winding temperature : -0 C ~ 40 C) V WHT U BLK Normal Each phase.5ω ~.76Ω abnormal Open or short-circuit Outdoor fan motor P Protector specification Short 87I5: Open 5I5: WHT ORN RED Measure the resistance between lead wires using a tester. (Part temperature : -0 C ~ 40 C) Normal BLK WHT - BLK.0Ω ~ 50.0Ω YLW BLK - YLW 0.0Ω ~ 6.0Ω BLK - RED 8.0Ω ~.0Ω abnormal Open or short-circuit R. V. coil Linear expansion valve WHT RED LEV ORN YLW BRN BLU Measure the resistance using a tester. (Part temperature -0 C ~ 40 C) Normal.6kΩ ~.kω abnormal Open or short-circuit Measure the resistance using a tester.(part temperature -0 C ~ 40 C) Lead wire color WHT - RED RED - ORN YLW - BRN BRN - BLU Normal 7.4Ω ~ 5.9Ω bnormal Open or short-circuit P Inner protector

112 When OPERTION INDICTOR lamp flashes -time. Indoor fan motor doesn t operate. Check of indoor fan motor Turn OFF the power supply. Check connector CN visually. Reconnect the lead wires. No re lead wires connected? Yes Is soldered point of the connector correctly soldered? No Resolder it. Yes Disconnect lead wires from connector CN on indoor electronic control P.C. board. Measure resistance between lead wires No. and No.5 and then No. and No.5. Is resistance 0 (short circuit) or (open circuit)? Yes ( 0 or ) No (others) Turn ON the power supply. Stop it if the unit operates. Insert screwdriver into air outlet to rotate indoor fan motor slowly for revolution or over, and measure voltage No.(+) and No.(-) on CN. Repair or replace the indoor fan motor. No Does voltage repeat 0V DC and 5V DC? Yes Replace the indoor electronic control P.C. board. Indoor unit operates by pressing the EMERGENCY OPERTION switch, but doesn t operate with the remote controller. B Check of remote controller and receiver P.C. board wcheck the remote controller is exclusive for this air conditioner. Switch on the remote controller. Is LCD display on the remote controller displayed? Yes No (not clear) Replace the batteries. (Refer to page 04.) Remove batteries, then set them back and press the RESET button. Check if the unit operates with the remote controller. Does the unit operate with the remote controller? No Turn on a radio to M and press switch on the remote controller. OK Yes Is noise heard from radio? Yes No Replace the remote controller. re there any fluorescent lights of inverter or rapid-start type within the range of m? Yes Reinstall the unit away from lights. ttach a filter on receiving part. No Measure the voltage between receiver P.C. board connector CN0 No. () and No.5 (+) when the remote controller button is pressed. Is the voltage approx. 4V DC? No(5V or 0V DC) Replace the receiver P.C. board. Yes Replace the indoor electronic control P.C. board.

113 The unit doesn t operate with the remote controller. lso, the OPERTION INDICTOR lamp doesn t light up by pressing the EMERGENCY OPERTION switch. C Check of indoor electronic control P.C. board Check the both parts side and pattern side of indoor electronic control P.C. board visually. Turn OFF the power supply. Remove indoor fan motor connector CN and vane motor connector CN5 from the indoor electronic control P.C. board and turn ON the power supply. Does the unit operate with the remote controller? Does the OPERTION INDICTOR lamp light up by pressing the EMERGENCY OPERTION switch? No Yes Turn OFF the power supply. Replace the vane motor. Turn OFF the power supply. Replace the fuse. Yes Yes Is winding resistance of vane motor 0 "? Is winding resistance of fan motor 0 "? Yes Replace the fan motor. No Be sure to check both resistances. No Is fuse (F) blown? Be sure to check both fuse and varistor in any case. Is varistor (NR) burnt? Yes Replace the varistor. No No Replace the indoor electronic control P.C. board. Compressor and/or outdoor fan motor doesn t operate. D Check of outdoor unit <MUH-07/09/WV> Start Is the switch SW- on the indoor electronic control P.C. board set to MUH type? Yes No Change the switch SW-- on the indoor electronic control P.C. board to MUH type. Operate the unit in COOL or HET mode by pressing the EMERGENCY OPERTION switch. -minute time delay works. Test run operation operates for 0 minutes. Compressor doesn't operate. Is there 5V DC between J05 + J0 on the deicer P.C. board? Yes Is there 0V C between on the compressor contactor (5C) and N on the outdoor terminal block (TB)? Yes No Check the compressor and compressor capacitor, and rectify the connecting wire. No Replace the deicer P.C. board. Is there 0V C between 4 on the compressor contactor (5C) and TB0 on the deicer P.C. board? Yes Replace the deicer P.C. board. No Rectify the indoor and outdoor connecting wire. No Is there 0V C between LN on the outdoor terminal block (TB)? Yes Rectify the connecting wire. Outdoor fan motor doesn't operate. Rectify the indoor and outdoor connecting wire. Is there 5V DC between J05 + J0 on the deicer P.C. board? Yes Check the outdoor fan motor and rectify the connecting wire. No Is there 0V C between 4 on the compressor contactor (5C) and TB 0 on the deicer P.C. board? Yes Replace the deicer P.C. board. No No Is there 0V C between LN on the outdoor terminal block (TB)? Yes Rectify the connecting wire.

114 Compressor and/or outdoor fan doesn t operate. D Check of outdoor unit <MUX-9/0/5/6WV> Start Is there 0V C between L - N on the TB of outdoor unit? Yes Press the EMERGENCY OPEERTION switch of all indoor units. No Check the power supply and connecting wire. minutes later, is there V DC between - on the all terminal blocks of outdoor unit? Yes No Is there V DC between - on the terminal block of each indoor unit? Yes Check and rectify the connecting wire of indoor and outdoor unit. No Check the indoor unit. Is there 0~5V DC between JP0 DCV and JP9 GND on outdoor control P.C. board? No Turn OFF the power supply. Yes Is fuse(f6) on the outdoor control P.C. board blown? No Replace the outdoor control P.C. board. MUX-9/5WV Yes MUX-0/6WV Disconnect connector of outdoor fan motor CN9 and outdoor fan capacitor C6. Measure resistance all the solenoid coil. Is resistance 0"? No Yes Replace the solenoid coil. Is the resistance 0" or between the lead wire WHT and BLK of outdoor fan motor, or between the lead wire RED and BLK of outdoor fan motor? (Refer to page.) Yes Replace the outdoor fan motor and fuse(f6). No Short both terminal of fuse(f6). Is the resistance 0" between No the fuse(f6) and the terminal of CN90? Yes Replace the outdoor control P.C. board. Replace the fuse(f6). Fan motor doesn't operate. Compressor doesn't operate. Turn OFF the power supply to outdoor unit. Does outdoor control P.C. board connect with outdoor fan capacitor C6? Yes Disconnect connector of outdoor fan motor CN9 and outdoor fan capacitor C6. Is the resistance 0" or between the lead wire WHT and BLK of outdoor fan motor, or between the lead wire RED and BLK of outdoor fan motor? (Refer to page.) Yes Replace the outdoor fan motor. No No Connect the outdoor control P.C. board with outdoor fan capacitor C6. Replace the outdoor control P.C. board. Turn OFF the power supply to outdoor unit. Disconnect connecting wire of X5 and X5 from outdoor control P.C. board. Insulate terminal of connecting wires to prevent contact of other parts. Turn ON the power supply to outdoor unit. Press the EMERGENCY OPERTION switch of all indoor unit. minutes later, is the resistance 0" between the terminal and 4 of X5 on outdoor control P.C. board, and between the terminal and 4 of X5 on outdoor control P.C. board? Yes Turn OFF the power supply to outdoor unit. Is the resistance 0" or between the terminal C and R of MC, and between the terminal C and S of MC? (Refer to page 0.) Yes Replace the compressor MC. No No Is the resistance 0" or between the terminal C and R of MC, and between the terminal C and S of MC? (Refer to page 0.) Yes Replace the compressor MC. Turn OFF the power supply to outdoor unit. Replace the outdoor control P.C. board. No Check and rectify the connecting wire of terminal and compressor. 4

115 Compressor and/or outdoor fan motor doesn t stop. E Check of outdoor unit <MU-07/09/WV> Start Turn OFF the power supply. fter minute, turn ON power supply again. Does compressor or outdoor fan motor stop? Yes OK No Is there V DC between on the outdoor terminal block (TB)? Yes Replace the indoor electoronic control P.C. board. No Is there 0V C between COM on the Yes compressor contactor (5C) and N on the outdoor terminal block (TB)? No Rectify the connecting wire. Replace the compressor contactor(5c). Compressor and/or outdoor fan motor doesn t stop. E Check of outdoor unit <MUH-07/09/WV> Start Turn OFF the power supply. fter minute, turn ON power supply again. Does compressor stop? Yes OK No Is there 0V C between on the compressor contactor (5C) and N on the outdoor terminal block (TB)? Yes Replace the deicer P.C. board. No Rectify the connecting wire. Does outdoor fan motor stop? Yes No Replace the deicer P.C. board. OK 5

116 Unit operates COOL mode even if it is set to HET mode. w First, measure the resistance of R.V. coil to confirm it is disconnected or is not short-circuit. F Check of R.V. coil <MUH-07/09/WV> Turn ON the power supply and operate the indoor unit in HET mode by pressing the EMERGENCY OPERTION switch. fter minutes, does the unit operate in COOL mode? Yes Is there 0V C between CN7 on the deicer P.C. board? Yes Replace the R.V. coil. No No OK Replace the deicer P.C. board Unit operates HET mode even if it is set to COOL mode. w First, measure the resistance of R.V. coil to confirm it is disconnected or is not short-circuit. F Check of R.V. coil <MUH-07/09/WV> Turn ON the power supply and operate the indoor unit in COOL mode by pressing the EMERGENCY OPERTION switch. Yes fter minutes, does the unit operate in HET mode? Yes No Ok Is there 0V C between CN7 on the deicer P.C. board? Yes Replace the deicer P.C. board. No Replace the R.V. coil. 6

117 When OPERTION INDICTOR lamp flashes 0.5-second intervals or -time. Outdoor unit does not operate. G How to check mis-wiring and serial signal error <MUH-07/09/WV> Start Turn OFF the power supply(indoor/outdoor unit). w Set the switch(sw-) on indoor electronic control P.C. board to MU or MUX type, when the outdoor unit is MU or MUX type. If the setting is MUH or MXZ type, the unit does not work. w Short circuit of JPG and JPS on the indoor electronic control P.C. board enables self-check to be displayed in seconds. Make them sure. Yes Is the outdoor unit "MUH" type? Yes Turn ON the power supply(indoor/outdoor unit). Press once EMERGENCY OPERTION switch. min. later, what self-check result is displayed on OPERTION INDICTOR lamp on indoor unit? w Is this mis-wiring, poor contact, or disconnection of wire? No Mis-wiring is indicated. (0.5-sec. ON, 0.5-sec. OFF) Serial signal error is indicated. (0.5-sec. ON,.5-sec. OFF) Set the switch(sw-) on the indoor electronic control P.C. board to MU or MUX type. w Yes Does the unit operate? No Refer to the "Instruction of troubleshooting." OK No. Turn OFF the power supply(indoor/outdoor unit) and disconnect indoor and outdoor connecting wire on indoor side.. Short-circuit between indoor terminal block N and.. Turn ON the power supply(indoor unit) and press once EMERGENCY OPERTION switch. Is there 0V DC between both ends of R on indoor electronic control P.C. board? ( By tester, the stylus is between 0 ~ 0V. ) Yes Turn OFF the power supply(indoor unit). Connect ON indoor and outdoor connecting wire. No Replace the indoor electronic control P.C. board. Turn ON the power supply(outdoor unit). Is there 0V C between outdoor terminal block L-N (TB)? Yes No Check the outdoor power supply, power supply cord and connection. Is there 5V DC between J05 + J0 - on the deicer P.C. board? Yes Turn ON the power supply(indoor unit). No Replace the deicer P.C. board. During EMERGENCY OPERTION, is there 0V DC between both ends of R60? (By tester, the stylus is between 5 ~0V) Yes No Make the wiring between CN70 on the deicer P.C. board and outdoor terminal block correct. Replace the deicer P.C. board. 7

118 When OPERTION INDICTOR lamp flashes 6-time. Thermistors in the outdoor unit are abnormal. H Check of outdoor thermistor <MUH-07/09/WV> Start Turn OFF the power supply. Defrost thermistor (RT6) Measure resistance between CN 66 and. Is the resistance of thermistor normal? No Yes Reconnect CN66. Turn ON the power supply and press the EMERGENCY OPERTION switch. Replace the deicer P.C. board. No Does the unit operate 0 minutes or more? Yes Replace the thermistor. OK Defective contact of the connector is considered. Cool air does not blow out although indoor unit is operating. I Check of indoor/outdoor units connection and outdoor unit <MUX-0/9/0/5/6WV> w In case of troubleshooting, be sure to operate indoor unit by emergency operation switch. Start Turn ON the power supply, and operate all the indoor units at a time. Do they perform the cooling operation? Yes Operate the indoor unit one by one, and measure the voltage between and of outdoor terminal block for each indoor unit. Match the signs of terminal block whose voltage is V DC and pipe of indoor/ outdoor units' connection. w. w. MUX-0WV MUX-0WV MUX-6WV If the pipe of indoor unit that does not operate is cooled though the combination of pipe and connecting wire is correct, check the solenoid coil. Refer to page 5, 7 or 8. No Turn OFF the power supply. Remove solenoid coil's connector that corresponds to the indoor unit, which does not blow out cool air. Then, measure the resistance of solenoid coil. Do the resistance value normal? No (Refer to page.) Yes Reconnect solenoid coil's connector. Then turn the main power on and operate the indoor unit that does not blow out cool air. Measure the voltage of solenoid coil's connector that corresponds to the indoor unit, which is operated. Replace the solenoid coil. Is voltage 0V? Yes No MUX-0WV Check wiring of outdoor unit and relay. (Refer to page 7.) Model Indoor unit Terminal block Connector for solenoid coil control OK MUX-9/0/5/6WV Replace the outdoor control P.C. board. MUX-0WV MUX-0WV MUX-6WV B B C B C D TB TB TB TB4 TB TB TB4 TB5 R R R-CN85 R4-CN86 R-CN8 R-CN84 R-CN85 R4-CN86 R RB-CN8 R-CN8 RB-CN8 8

119 Outdoor unit does not operate. (LED display: display OFF) J Check of power supply <MXZ-8WV> Start Check the connecting of main circuit parts. Turn on power supply Is there voltage of 0V C in the power supply terminal block? Yes Is there voltage of 0V C across the input terminal part in the diode module (TB6 and TB6)? Yes Is there voltage of 5V DC across the smoothing capacity (C6)? Yes Replace the outdoor electronic control P. C. board. No No No Check the power supply cable. Is fuse (F6) blown? Yes Replace the fuse. Yes Replace the reactor. No Is the resistance between terminal of reactor (L)? Replace the noise filter P. C. board Outdoor unit does not operate. (LED display: Both LED and LED lighting) K Check of outdoor unit serial signal <MXZ-8WV> Start. Check the indoor unit with referring to G How to check mis-wiring and serial signal error.. Turn off the power supply of the indoor and outdoor unit and connect the indoor/ outdoor unit connecting wire correctly. Check the connection of indoor/ outdoor unit connecting wire in the outdoor unit terminal block, and check the connection of the connector (CN60: unit, CN60: unit B) in the control P. C. board. 4. Disconnect the lead wire to the compressor. minutes after turning on the power supply, start EMERGENCY OPERTION. Is there voltage from 5V DC - 0V DC between No. (+) and N (-) in the outdoor terminal block. Yes Recheck a connected circumstance of the indoor/ outdoor unit connecting wire. No Replace the outdoor electronic control P. C. board. 9

120 The cooling operation or heating operation does not operate. (LED display: Both LED and LED lighting) L Check of R. V. coil <MXZ-8WV> When heating operation does not work. Start. Disconnect the lead wire leading to the compressor.. minutes after turning on the power supply, start EMERGENCY OPERTION in HET mode. Is there voltage of 0V C between pin and pin at connector CN9? Yes Turn off power supply of indoor and outdoor unit. No. Turn off power supply of indoor and outdoor unit, and disconnect the connector (CN85) in the outdoor electronic control P. C. board.. minutes after turning on the power supply, start EMERGENCY OPERTION in HET mode. Disconnect the connector CN9 in noise filter P. C. board, and measure the resistance of R. V. coil to check the integrity. Yes Replace the 4-way valve No Replace the R. V. coil. Is there voltage V DC between the connector CN85 pin (+) and pin 4 (-)? Yes Replace the noise filter P. C. board. No Replace the electronic control P. C. board. When cooling operation does not work. Start. Disconnect the lead wire leading to the compressor.. minutes after turning on the power supply, start EMERGENCY OPERTION in COOL mode. Is there voltage of 0V C between pin and pin at connector CN9? Yes No Replace the 4-way valve.. Turn off power supply of indoor and outdoor unit, and disconnect the connector (CN85) in the outdoor electronic control P. C. board.. minutes after turning on the power supply, start EMERGENCY OPERTION in COOL mode. Is there voltage V DC between the connector CN85 pin (+) and pin 4 (-)? W Yes No Replace the noise filter P. C. board. W If the connector CN9 is not connected or R. V. coil is open, voltage occurs between terminals even when the control is OFF. Replace the outdoor electronic control P. C. board. 0

121 When cooling, heat exchanger of non-operating indoor unit frosts. When heating, non-operating indoor unit get warm. M Check of LEV Start <MXZ-8WV> LED display: LED LED Lighting Lighting 6 time Goes out Turn on power supply to the outdoor unit after checking LEV coil is mounted to the LEV body securely. Is "click - click" sound heard? Or, do you feel vibration of the LEV coil with a hand? No Yes Normal Disconnect the connector (CN77: unit, CN77: unit B), and measure the resistance of LEV coil to check the integrity. No Replace the LEV coil. Yes Replace the outdoor electronic control P. C. board When heating, room does not get warm. When cooling, room does not get cool. N Check of inverter/ compressor Start <MXZ-8WV> LED display: LED LED Lighting Lighting Lighting Twice Twice Goes out Disconnect the connector to the compressor at terminals. minutes after turning on the power supply, start EMERGENCY OPERTION. Measure the voltage between each connector leading to the compressor. U (BLK) - V (WHT) V (WHT) - W (RED) W (RED) - U (BLK) Output voltage COOL: 50V(58Hz), HET: 50V (58Hz) Is voltage output? W Yes No Is output balanced? Yes No Turn off power supply of indoor and outdoor unit, and measure the compressor winding resistance between the compressor terminals. Is there resistance of 0.5" to 0.66" between the each terminals? Yes Replace the outdoor electronic control P. C. board No Return the lead wire of compressor to former, and turn on power supply to indoor and outdoor unit. Three minutes later, start EMERGENCY OPERTION. W fter the outdoor fan starts running, wait for minutes or more before measuring the voltage. The output voltage values in the above table have the tolerance of i0%. Replace the compressor. Clarify the causes by counting time until the inverter stops. 0 to 0 seconds: compressor rare short 0 to 60 seconds: compressor lock 60 seconds to 5minutes: refrigerant circuit defective 5 minutes or more: normal

122 When thermistor is abnormal. (When the LED display is a table below.) O Check of outdoor unit thermistor <MXZ-8WV> Start Disconnect the connector in the outdoor electronic control P. C. board (see below table), and measure the resistance of thermistor to check whether the thermistor is normal or not. Normal bnormal Replace the thermistor Reconnect the connector (CN66, CN66 and CN66) and disconnect the lead wire leading to the compressor. minutes after turning on the power supply, start EMERGENCY OPERTION. Does thermistor operate 0 minutes or more though the thermistor abnormality is not displayed? Yes Normal No Replace the outdoor electronic control P. C. board. Thermistor Discharge temperature thermistor Defrost thermistor Evaporation temperature thermistor High-pressure protect thermistor Gas pipe temperature thermistor Gas pipe temperature B thermistor Fin temperature thermistor Symbol RT6 RT6 RT6 RT68 RT6 RT6B RT65 Connector, Pin No. Between CN66 pin and pin4 Between CN66 pin and pin Between CN66 pin5 and pin6 Between CN66 pin7 and pin8 Between CN66 pin and pin Between CN66 pin and pin4 Between CN66 pin and pin Fan motor does not operate or stops operating shortly after starting the operation. P Check of outdoor fan motor <MXZ-8WV> Start Check the connection of connector (CN85) in the fan motor relay connector and outdoor electronic control P. C. board at the noise filter P. C. board and connector (CN90) in the noise filter board. Disconnect the fan motor connector, and measure the resistance of the fan motor winding to check the winding characteristic. Normal bnormal Replace the fan motor. Disconnect the lead wire leading to the compressor. Turn on power supply to the indoor and outdoor unit. Three minutes later, start EMERGENCY OPERTION.. Check the voltage between pin and pin 4, pin and pin 5 at the fan motor connector. Yes Is there voltage of 0V C? No. Turn off power supply of the indoor and outdoor unit, and disconnect the connector (CN85).. Is the voltage 0V, when the voltage between CN85 pin (+), pin7 (-), pin6 (-) are measured after the power supply is turned on the outdoor unit? Yes Is there voltage of V DC between CN85 pin (+) and pin6 (-), when power supply turns on the indoor unit and EMERGENCY OPERTION starts in three minutes. Yes Replace the noise filter P. C. board No No Replace the oudtoor electronic control P. C. board

123 Q The other cases <MXZ-8WV> Indoor unit dose not operate. (different modes) When you try to run two indoor unit simultaneously, one for cooling and the other for heating, the unit which transmits signal to the outdoor units earlier decides the operation mode. The other unit indicates as shown in the figure below. When the above situation occurs, set all the indoor units to the same mode, turn OFF the indoor units, and then turn them back ON. Though the top of the indoor unit sometimes gets warm, this does not mean malfunction. The reason is that the refrigerant gas continuously flows into the indoor unit even while it is not operating. OPERTION INDICTOR Lighting Flashing

124 TEST POINT DIGRM ND VOLTGE MSC-07WV - E MSC-09WV - E MSC-WV - E Indoor electronic control P.C. board Fuse 50V C.5 } Indoor fan motor 0 V C V DC { + -- } Power supply input 0 V C Varistor (NR) R Indoor coil thermistor (RT) Room temperature thermistor (RT) Timer short mode } point JPG, JPS (Refer to page 0.) Emergency operation switch Power monitor, receiver P.C. board + -- } 5V DC SW (Refer to page sets the uto restart function ON/ OFF. switches over MU&MUX type/ MUH & MXZ type. Indoor coil thermistor (RT) Room temperature thermistor (RT) 40 Resistance (k') Temperature (;) 4

125 0V C} MUH-07WV - E MUH-09WV - E MUH-WV - E Outdoor deicer P.C. board CN7 Outdoor fan motor 0V C } CN7 R.V. coil 0V C } Power supply input NR6 Varistor F6 Fuse /50V 5V DC J05 J } CN66 - Defrost thermistor RT6 + R60 -- } 5~0VDC Defrost interval time short pin (JPDS, JPSG) (Refer to page 0.) } Jumper wire for change in defrost setting (JRF,JRG) (Refer to page 0.) V DC J04 J

126 MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV - E Outdoor control P.C. board To fan capacitor W From indoor unit V DC +,- W From indoor unit B V DC +,- W From indoor unit C V DC +,- W From indoor unit D V DC +,- To fan motor To fan capacitor To indoor unit B Solenoid coil R To indoor unit Solenoid coil R To indoor unit C Solenoid coil R To indoor unit D Solenoid coil R4 To solenoid coil R To solenoid coil RB To compressor MC To terminal block To compressor MC To terminal block Fuse 50V C.5 Power supply input 0V C Surge absorber (NR6) + W In case of MUX-6WV } V DC 6

127 MXZ-8WV - E Outdoor Electronic control P.C. board 0V C 50Hz Input Resistance (k") ( CN60 5 ~ 0V DC Serial signal Room B ( CN60 5 ~ 0V DC Serial signal Room LED LED ( ( Common () Temperature(:) ( Common (+) ( ( CN7 Room B Linear expansion valve (LEV) V DC pulse wave Defrost temperature thermistor (RT6) Evaporation temperature thermistor (RT6) Gas pipe temperature thermistor (RT6,6B) High-pressure protection thermistor (RT68) Fin temperature thermistor (RT65) Common () ( Common (+) CN7 Room Linear expansion valve (LEV) V DC pulse wave Outdoor fan High () Outdoor fan Low () Resistance (k") Rush current relay () V DC )CN Common (+) R.V. coil () CN66 Fin temperature thermistor (RT65) High-pressure protect thermistor (RT68) Defrost temperature thermistor (RT6) Discharge temperature thermistor (RT6) Evaporation temperature thermistor (RT6) CN )66 Gas pipe temperature thermistor (RT6) Gas pipe temperature B thermistor (RT6B) ( CN Temperature(:) 7 ( ( ( ( ( ( ( Resistance (k") Discharge temperature thermistor (RT6) Temperature(:)

128 MXZ-8WV - E Outdoor Noise filter P.C.board F9 FUSE.5/50V NR6 VRISTOR 0V C 50Hz Input 0V C 50Hz Output CN9 R.V. Coil 0V C CN9 Outdoor Fan Fan speed High 0V C CN9 Outdoor Fan Fan speed Low 0V C 8

129 4 DISSSEMBLY INSTRUCTIONS <"Terminal with lock mechanism" Detaching points> In case of terminal with lock mechanism, detach the terminal as shown below. () () Slide the sleeve. Pull the terminal while pushing the locking lever. Hold the sleeve, and pull out the terminal slowly. 4-. MSC-07WV - E MSC-09WV - E MSC-WV - INDOOR UNIT OPERTING PROCEDURE E NOTE : These photos are MS-09WV. Other models are almost the same as MS-S09WV. PHOTOS. Removing the front panel () Remove the screw caps of the front panel. Remove the screws. () Pull the panel down to your side slightly and unhook the catches at the top. Photo Screws of the front panel. Removing the electronic control P.C. board and the power monitor, receiver P.C. board NOTE : In case of removing only indoor electronic control P.C. board, work () is not necessary. () Remove the front panel. (Refer to ) () Remove the power monitor, receiver P.C. board holder from the bottom of electrical box. () Open the power monitor, receiver P.C. board holder and remove the power monitor, receiver P.C. board. (4) Remove the screw of the electrical cover and the electrical cover. (5) Remove the screw of the V.. clamp and the V.. clamp. (6) Remove the screw of the cord clamp and the cord clamp. (7) Remove the screw of the terminal block. (8) Remove the screw of the ground wire. (9) Pull out indoor electronic control P.C. board slightly. (0) Disconnect all (except CN0) the connectors on the electronic control P.C. board. () Remove the electronic control P.C. board. () Disconnect the connector of power monitor, receiver P.C. board (CN0) on the electronic control P.C. board. 9 Photo Screw of the ground wire Terminal block fixing screw Power monitor, receiver P.C. board holder Indoor electronic control P.C. board Cord clamp fixing screw Screw of the V.. clamp Screw of the electrical cover

130 OPERTING PROCEDURE PHOTOS. Removing the electrical box () Remove the front panel. (Refer to.) () Remove the electrical cover. (Refer to.) () Remove the V.. clamp. (Refer to.) (4) Remove the cord clamp. (Refer to.) (5) Remove the terminal block. (Refer to.) (6) Remove the screw of ground wire. (Refer to.) (7) Disconnect the connector of the indoor coil thermistor (CN), the fan motor connector (CN and CN) and the vane motor connector (CN5) on the electronic control P.C. board. (8) Remove the fan motor lead wire and indoor coil thermistor from the electrical box. (9) Remove the lead wire of vane motor from the bottom of electrical box. (0) Remove the screw fixing the electrical box, remove the electrical box. Photo Indoor coil thermistor connector Fan motor connector Vane motor connector Screw of the electrical box 4. Removing the nozzle assembly and the vane motor () Remove the front panel. (Refer to.) () Remove the electrical box. (Refer to.) () Pull out the drain hose from the nozzle assembly, remove the nozzle assembly. (4) Remove the screws of the vane motor, disconnect the vane motor connector. (5) Remove the vane motor. Photo 4 Screws of the vane motor 5. Removing the indoor fan motor and the line flow fan () Remove the front panel. (Refer to.) () Remove the electrical box. (Refer to.) () Pull out the drain hose from the nozzle assembly, remove the nozzle assembly. (Refer to 4.) (4) Remove the screw of the lead cover and lead cover. (5) Release the hooks to open the motor band slightly. (6) Loosen the hexagon socket set screw from the line flow fan. (7) Remove the screws fixing the motor bed, remove the fan motor with motor band and the motor bed. (8) Remove the screws fixing the left side of the heat exchanger. (9) Lift the left side of the heat exchanger. (0) Remove the line flow fan. Photo 6 Hexagon socket set screw Photo 5 Photo 7 Drain hose Screws of the left side of the heat exchanger Screw of the lead cover Hooks of the motor band 0 Screws of the motor bed

131 4-. MU-07WV - E MU-09WV - E MU-WV - OUTDOOR UNIT OPERTING PROCEDURE E PHOTOS. Removing the cabinet () Remove the screws of the top panel. () Remove the screw of the service panel. () Remove the screws of the cabinet. (4) Remove the screws of the front panel and motor support. (5) Remove the service panel, and remove the screw from the insides. (6) Remove the top panel. (7) Remove the cabinet. Photo Screws of the front panel and motor support Photo Screws of the cabinet Screws of the cabinet Screws of the service panel Screws of the top panel Photo Service panel Screws of the top panel Screws of the cabinet. Removing the electrical parts () Remove the service panel and the cabinet.(refer to.) () Remove the following parts. Compressor capacitor (C) Outdoor fan capacitor (C) Terminal block Photo 4 Relay panel Compressor capacitor Screws Contractor Terminal block Screw Outdoor fan capacitor

132 OPERTING PROCEDURE. Removing the propeller fan and the outdoor fan motor () Remove the cabinet. (Refer to.) () Remove the propeller fan nut. () Remove the propeller fan. NOTE : Loose the propeller fan in the rotating direction for removal. When attaching the propeller fan, align the mark on the propeller fan and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan. (4) Remove lead clamps and disconnect the outdoor fan motor connector. (5) Remove screws fixing the fan motor. (6) Remove the outdoor fan motor. Photo 5 PHOTOS Screws of the outdoor fan motor Hook Lead clamps Outdoor fan motor connector Propeller fan Propeller fan nut Outdoor fan motor 4. Removing the compressor () Remove the cabinet. (Refer to.) () Remove the relay panel. () Remove the soundproof felt. (4) Remove the terminal cover on the compressor. (5) Disconnect lead wires from the glass terminal of the compressor. (6) Recover gas from the refrigerant circuit. (7) Disconnect the welded part of the discharge pipe. (8) Disconnect the welded part of the suction pipe. (9) Remove nuts fixing the compressor. (0) Remove the compressor. NOTE Before using a burner, reclaim gas from the pipes until the pressure gauge shows 0 kg/cm (0 MPa). Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat. Photo 6 Glass terminal Compressor Discharge pipe Suction pipe Compressor set nuts Terminal cover

133 4-. MUH-07WV - E MUH-09WV - E MUH-WV - OUTDOOR UNIT E OPERTING PROCEDURE. Removing the cabinet () Remove the screws of the top panel. () Remove the screw of the service panel. () Remove the screws of the cabinet. (4) Remove the screws of the front panel and motor support. (5) Remove the service panel, and remove the screw from the insides. (6) Remove the top panel. (7) Remove the cabinet. Photo PHOTOS Screws of the front panel and motor support Photo Screws of the service panel Screws of the top panel Screws of the cabinet Photo Screws of the cabinet Service panel Screw of the top panel Screws of the cabinet. Removing the deicer P.C. board () Remove the service panel and the cabinet. () Disconnect all the connectors and the terminals on the deicer P.C. board. () Remove the deicer P.C. board. Photo 4 Deicer P.C. board Screws Screw Relay panel Terminal block

134 OPERTING PROCEDURE. Removing the propeller fan and the outdoor fan motor () Remove the cabinet. (Refer to.) () Remove the propeller fan nut. () Remove the propeller fan. NOTE : Loose the propeller fan in the rotating direction for removal. When attaching the propeller fan, align the mark on the propeller fan and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan. (4) Remove lead clamps and disconnect the outdoor fan motor connector. (5) Remove screws fixing the fan motor. (6) Remove the outdoor fan motor. Photo 5 Propeller fan Screws of the outdoor fan motor PHOTOS Hook Lead clamps Outdoor fan motor connector Propeller fan nut 4. Removing the compressor () Remove the cabinet. (Refer to.) () Remove the relay panel. () Remove the soundproof felt. (4) Remove the terminal cover on the compressor. (5) Disconnect lead wires from the glass terminal of the compressor. (6) Recover gas from the refrigerant circuit. (7) Disconnect the welded part of the discharge pipe. (8) Disconnect the welded part of the suction pipe. (9) Remove nuts fixing the compressor. (0) Remove the compressor. NOTE Before using a burner, reclaim gas from the pipes until the pressure gauge shows 0 kg/cm (0 MPa). Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat. Photo 6 Glass terminal Compressor Discharge pipe Suction pipe Compressor set nuts Terminal cover 4

135 4-4. MUX-0WV - E OUTDOOR UNIT OPERTING PROCEDURE. Removing the cabinet () Remove the screws of the top panel. () Remove the screw of the service panel. () Remove the screws of the cabinet. (4) Remove the screws of the front panel and motor support. (5) Remove the service panel, and remove the screw from the insides. (6) Remove the top panel. (7) Remove the cabinet. Photo PHOTOS Set screws of the front panel and motor support Screws of the top panel Screws of the service panel Photo Relay panel Fuse (F6) Compressor capacitor (C) Fuse (F6) Terminal block (TB) Terminal block (TB) Screws of the cabinet Photo Screws of the top panel Screws of fixing relay panel Screw of fixing relay panel Terminal block (TB) Outdoor fan capacitor (C) Relay (o) Relay (o) Surge absorber (DSR) Contactor (5C) Screws of the cabinet. Removing the relay panel () Remove the service panel and the cabinet.(refer to.) () Remove the following connectors. Outdoor fan motor Solenoid coil (R, R, R) Photo 4 Set screws of the outdoor fan motor Hook Lead wire Lead clamp Propeller fan Propeller fan nut Outdoor fan motor Outdoor fan motor connector Solenoid coil connector (R, R, R) 5

136 OPERTING PROCEDURE. Removing the propeller fan and the outdoor fan motor () Remove the cabinet. (Refer to.) () Remove the propeller fan nut. () Remove the propeller fan. NOTE : Loose the propeller fan in the rotating direction for removal. When attaching the propeller fan, align the mark on the propeller fan and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan. (4) Remove lead clamps and disconnect the outdoor fan motor connector. (5) Remove screws fixing the fan motor. (6) Remove the outdoor fan motor. Photo 5 Discharge pipe Grass terminal Compressor Screws of the solenoid coil (R) PHOTOS Screws of the solenoid coil (R) Screws of the solenoid coil (R) Suction pipe Set screws of the compressor Terminal cover 4. Removing the compressor () Remove the cabinet. (Refer to.) () Remove the relay panel. () Remove the soundproof felt. (4) Remove the terminal cover on the compressor. (5) Disconnect lead wires from the glass terminal of the compressor. (6) Recover gas from the refrigerant circuit. (7) Disconnect the welded part of the discharge pipe. (8) Disconnect the welded part of the suction pipe. (9) Remove nuts fixing the compressor. (0) Remove the compressor. NOTE Before using a burner, reclaim gas from the pipes until the pressure gauge shows 0 kg/cm (0 MPa). Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat. 6

137 4-5. MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV - OUTDOOR UNIT NOTE : These photos are MUX-0WV. Other models are almost the same as MUX-0WV. E OPERTING PROCEDURE PHOTOS.Removing the cabinet () Remove the screws of the service panel. () Remove the screws of the top panel. () Remove the service panel. (4) Remove the top panel. (5) Remove the screws of the front panel. (6) Remove the front panel. (7) Remove the screws of the back panel. (8) Remove the back panel. Photo Set screws of the front panel Top panel Front panel Set screws of the front panel Photo Back panel Photo Set screws of the top panel Service panel Set screws of the service panel Set screws of the back panel Set screws of the front panel Set screws of the back panel 7

138 OPERTING PROCEDURE. Removing the relay panel () Remove the cabinet. (Refer to ) () Disconnect the following connectors.. Outdoor fan motor. Only MUX-0WV Solenoid coil (RB, R, R4). Only MUX-6WV Solenoid coil (R, RB, R, R, R, R4) Photo 4 Set screws of the outdoor fan motor Back panel Outdoor fan motor PHOTOS Solenoid coil connector (R, RB, R, R, R, R4) Outdoor fan motor connector Set screws of the relay panel Clamp Set screws of the relay panel. Removing the propeller fan () Remove the cabinet. (Refer to.) () Remove the propeller fan nut. () Remove the propeller fan. NOTE : Loose the propeller fan in the rotating direction for removal. When attaching the propeller fan, align the mark on the propeller fan and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan. Propeller fan Propeller fan nut 4. Removing the outdoor fan motor () Remove the cabinet. (Refer to.) () Remove the propeller fan. (Refer to.) () Remove the clamp of outdoor fan motor lead wire and disconnect the outdoor fan motor connector. (4) Remove the screws fixing the outdoor fan motor. (5) Remove the outdoor fan motor. 8

139 OPERTING PROCEDURE 5. Removing the compressor (, B) () Remove the cabinet. (Refer to.) () Remove the relay panel. () Remove the soundproof felt. (4) Remove the terminal cover on the compressor. (5) Disconnect lead wires from the compressor. (6) Recover gas from the refrigerant circuit. (7) Disconnect the welded part of the discharge pipe. (8) Disconnect the welded part of the suction pipe. (9) Remove nuts fixing the compressor. (0) Remove the compressor. NOTE Before using a burner, reclaim gas from the pipes until the pressure gauge shows 0 kg/cm (0 MPa). Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat. Photo 5 Suction pipe PHOTOS Terminal cover 6. Removing the compressor (C) () Remove the cabinet. (Refer to.) () Remove the relay panel. (Refer to.) () Remove the screws fixing back panel. (4) Remove the back panel. (5) Remove the soundproof felt. (6) Remove the terminal cover on the compressor. (7) Disconnect lead wires from the compressor. (8) Recover gas from the refrigerant circuit. (9) Disconnect the welded part of the discharge pipe. (0) Disconnect the welded part of the suction pipe. () Remove nuts fixing the compressor. () Remove the compressor. NOTE Before using a burner, reclaim gas from the pipes until the pressure gauge shows 0 kg/cm (0 MPa). Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat. Discharge pipe Sound proof felt Terminal cover 9

140 4-6. MXZ-8WV - E OUTDOOR UNIT OPERTING PROCEDURE. Removing the cabinet.. Removing the cabinet. () Remove the screws of the top panel. () Remove the top panel. () Remove the screw of the service panel. (4) Remove the service panel. (5) Remove the screws of the front panel. Photo PHOTOS Photo Screws of the top panel Photo Screws of the front panel Screws of the top panel Screw of the service panel Screws of the front panel Screws of the front panel Screws of the front panel. Removing the inverter assembly () Remove the top panel, service panel and front panel. () Remove Indoor/outdoor connecting wire and power supply cable. () Remove the compressor connector on the compressor side. (4) Remove the connectors for fan motor, LEV and thermistor R.V. coil from the electronic control P.C. board. (5) Remove the screws of the inverter assembly. (6) Remove the inverter assembly. Photo 4 Screw of the relay panel LEV, R.V.coil and thermistor connectors Compressor connector Fan motor connector 40

141 OPERTING PROCEDURE. Removing the Outdoor Electronic control P.C. board. () Remove the top panel, service panel and front panel. () Remove the connector coming out of the compressor. () Remove the compressor connector, compressor relay connector on the electronic control P.C. board side, terminal of reactor and terminals of TB4 and X64 of the noise filter P.C. board coming out of the electronic control P.C. board. (Fig. ) (4) Remove the screw fixing the cover of the electronic control P.C. board. (5) Remove the cover of the electronic control P.C. board. (6) Remove the screw fixing the heat sink. (7) Remove the hooks fixing the electronic control P.C. board. (8) Disconnect all the connectors and the terminal on the electronic control P.C. board. (9) Remove the electronic control P.C. board. Photo 4 PHOTOS Screws of the cover Screws of fan motor TB4 Fig. Compressor connector Relay panel Propeller fan Propeller fan nut Photo 5 Screw of heat sink Terminal of reactor hooks X64 Push up the connector by holding the part shown by the arrows. 4. Removing the fan motor () Remove the top panel, service panel and front panel. () Remove the fan motor connector (CN9) from the noise filter P.C. board. Remove the inverter assembly and then lead wires from cable clamp. () Remove the propeller fan nut. (4) Remove the propeller fan. (5) Remove the screws of fan motor. (6) Remove the fan motor Photo 6 Cable clamp 4

142 OPERTING PROCEDURE 5. Removing the thermistor Discharge temperature thermistor, defrost temperature, evaporator temperature, high pressure protector, gas pipe temperature and gas pipe temperature B () Remove the top panel, service panel, front panel. () Remove Indoor/outdoor connecting wire and power supply cable. () Remove thermistor connector (CN66, CN66) from the electronic control P.C. board. (4) Remove the inverter assembly. (5) Remove the thermistor in the upper part of compressor. (6) Remove the back panel. (7) Remove the thermistors for defrost temperature, evaporator temperature, gas pipe temperature and gas pipe temperature B. Fin temperature thermistor () Remove the top panel, service panel and front panel. () Remove the connector coming out of the compressor. () Remove the compressor connector coming out of the electronic control P.C. board. (Fig. ) (4) Remove the electronic control P.C. board. (5) Remove the screws fixing the heat sink from the electronic control P.C. board. (Tightening torque IPM: M4.8 I0.[Nm] DS: M 0.78 I0.[Nm] FM: M I0.[Nm]) Caution: Be sure to keep silicon oil applied between the heat sink and the electronic control P.C. board away from dirt etc. Do not wipe off silicon oil. Otherwise the temperature of the electronic control P.C. board may rise unusually. Photo 7 Photo 8 PHOTOS High pressure protector thermistor Terminal cover Defrost temperature thermistor Discharge temperature thermistor Defrost thermistor Gas pipe temperature thermistor, B Evaporator temperature thermistor Photo 9 Heat sink Fin temperature thermistor 4

143 OPERTING PROCEDURE 6. Removing the compressor/4-way valve () Collect refrigerant from refrigerant circuit. Caution: If collecting has not been done enough, refrigerating machine oil may spout out or harmful substance may be generated during welding work. () Remove Indoor/outdoor connecting wire and power supply cable. () Remove the top panel, service panel, front panel and back panel. (4) Remove the inverter assembly. (5) In case of removing 4-way valve, detach four brazed joints first. (Photo 0) (6) Remove the terminal cover then pull out the lead wire from the compressor terminal. Remove the soundproof material. (7) Detach brazed joints of compressor suction and discharge pipes. (Photo 0) (8) Remove the compressor nuts and remove the compressor. Photo 0 PHOTOS Compressor welded parts 4-way valve welded parts 4

144 5 PRTS LIST MSC-07WV - MSC-09WV - MSC-WV - E E E (WH) (WH) (WH) 5-. INDOOR UNIT STRUCTURL PRTS (W) 0(W) 5-. CCESSORY ND REMOTE CONTROLLER (See page 7.) 7 (See page 7.) 5 6 (W) (W) These figures show about MSC-WV. 5-. INDOOR UNIT STRUCTURL PRTS Symbol Q'ty/unit E E E E E E E E E E E BOX(WH) BOX(WH) PNEL SSEMBLY(WH) SCREW CP(WH) FRONT PNEL(WH) CTCH IR FILTER IR FILTER IR CLENING FILTER DEODORIZING FILTER CORNER BOX (RIGHT) INSTLLTION PLTE INSTLLTION PLTE No. Part No. Part Name in Wiring MSC-07WV- Diagram E (WH) MSC-09WV- E (WH) MSC-WV- E (WH) Remarks Including No.,4,5 PCS/SET PCS/SET MC-00FT MC-800DF 5-. CCESSORY ND REMOTE CONTROLLER E E REMOTE CONTROLLER REMOTE CONTROLLER HOLDER 44

145 MSC-07WV - E (WH) MSC-09WV - E (WH) MSC-WV - E (WH) 5-. INDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS SLEEVE BERING ROOM TEMPERTURE THERMISTOR 5-4. INDOOR UNIT HET EXCHNGER (W) FUSE 6 VRISTOR (W)These figures show about MSC-WV. 5-. INDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS Part number that is circled is not shown in the illustration. No Part No. E E E E E E0 7 8 E E E E E E E E E E E0 749 E E E E E E E E Part Name SLEEVE BERING DRIN HOSE NOZZLE SSEMBLY(WH) VNE UPPER (WH) VNE LOWER (WH) FUSE VRISTOR VNE CRNK SET POWER MONITOR, RECEIVER P.C. BORD ELECTRONIC CONTROL P.C.BORD ELECTRONIC CONTROL P.C.BORD ELECTRONIC CONTROL P.C.BORD VNE MOTOR ROOM TEMPERTURE THERMISTOR INDOOR FN MOTOR INDOOR FN MOTOR MOTOR BND TERMINL BLOCK FN MOTOR RUBBER MOUNT FN MOTOR RUBBER MOUNT INDOOR COIL THERMISTOR LINE FLOW FN BERING MOUNT BERING MOUNT THERML FUSE Symbol in Wiring Diagram F NR, NR MV RT MF MF TB RT RC4V9- RC4V9- MSC-07WV- E (WH) Q'ty/unit MSC-09WV- E (WH) MSC-WV- E (WH) Remarks.5 UTO RESTRT UTO RESTRT UTO RESTRT PCS/SET PCS/SET 4-4. INDOOR UNIT HET EXCHNGER E E E E E INDOOR HET EXCHNGER INDOOR HET EXCHNGER UNION(GS) UNION(GS) UNION(LIQUID) {9.5 {.7 {6.5 45

146 MU-07WV - MU-09WV - E E MU-WV - E 5-5. OUTDOOR UNIT STRUCTURL PRTS Part number that is circled is not shown in the illustration. Symbol Q'ty/unit No. Part No. Part name in Wiring Diagram MU-07WV- E MU-09WV- E MU-WV- E Remarks E E0 6 E0 6 5 E E E E E E E E E E0 9 E0 440 E E E E E OUTDOOR HET EXCHNGER CBINET GRILLE(OUT) COMPRESSOR COMPRESSOR COMPRESSOR COMPRESSOR RUBBER SET BSE STOP VLVE(GS) STOP VLVE(GS) STOP VLVE(LIQUID) SERVICE PNEL BCK PNEL BCK PNEL MOTOR SUPPORT TOP PNEL CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE MC MC MC RN09VHSHT RN099VHSHT RN5VHSHT RUBBERS/SET {9.5 {.7 {6.5 {.0x{.4x500 {.0x{.4x700 {.0x{.4x550 46

147 MU-07WV - E MU-09WV - E MU-WV - E 5-6. OUTDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS Part numbers that are circled are not shown in the illustration. Symbol Q'ty/unit No. Part No. Part name in Wiring Diagram MU-07WV- E MU-09WV- E MU-WV- E Remarks E E E E E E E E E E E E0 8 8 PROPELLER FN OUTDOOR FN MOTOR OUTDOOR FN MOTOR OUTDOOR FN CPCITOR OUTDOOR FN CPCITOR COMPRESSOR CPCITOR COMPRESSOR CPCITOR COMPRESSOR CPCITOR TERMINL BLOCK TERMINL BLOCK COMPRESSOR CONTCTOR SURGE BSORBER MF MF C C C C C TB TB 5C DSR R6V- R6V-.5+ /440V C.0+ /440V C 0+ /440V C 5+ /440V C 0+ /440V C P P 47

148 MUH-07WV - E MUH-09WV - E MUH-WV - E 5-7. OUTDOOR UNIT STRUCTURL PRTS Part numbers that are circled are not shown in the illustration. Symbol Q'ty/unit No. Part No. Part name in Wiring Remarks Diagram MUH-07WV- E MUH-09WV- E MUH-WV- E E E E0 6 E0 6 5 E E E E E E E E E E E E0 440 E E E E E E E E E E E E OUTDOOR HET EXCHNGER OUTDOOR HET EXCHNGER CBINET GRILLE(OUT) COMPRESSOR COMPRESSOR COMPRESSOR COMPRESSOR RUBBER SET BSE STOP VLVE(GS) STOP VLVE(GS) STOP VLVE(LIQUID) 4-WY VLVE 4-WY VLVE SERVICE PNEL BCK PNEL MOTOR SUPPORT MOTOR SUPPORT TOP PNEL CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE CHECK VLVE MC MC MC RN09VHSHT RN04VHSHT RN5VHSHT RUBBERS/SET {9.5 {.7 {6.5 0 {.0x{.4x800 {.0x{.4x500 {.0x{.4x050 {.0x{.4x00 {.0x{.6x600 {.0x{.6x400 {.0x{.6x50 {.0x{.6x50

149 MUH-07WV - E MUH-09WV - E MUH-WV - E 5-8. OUTDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS 5-9. CCESSORY OUTDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS Part numbers that are circled are not shown in the illustration. No. Part No. Symbol Part name in Wiring Diagram MUH-07WV- E Q'ty/unit MUH-09WV- E MUH-WV- E Remarks E E E E E E E E E0 8 8 E E E E E E PROPELLER FN OUTDOOR FN MOTOR OUTDOOR FN MOTOR COMPRESSOR CPCITOR COMPRESSOR CPCITOR COMPRESSOR CPCITOR DEICER P.C. BORD DEICER P.C. BORD SURGE BSORBER TERMINL BLOCK TERMINL BLOCK DEFROST THERMISTOR R. V. COIL FUSE VRISTOR MF MF C C C DSR TB TB RT6 S4 F6 NR6 R6V- R6V- 0+ /440V C 5+ /440V C 0+ /440V C P P 50V 5-9. CCESSORY E E DRIN SOCKET DRIN CP PCS/SET 49

150 MUX-0WV - E 5-0. OUTDOOR UNIT STRUCTURL PRTS Part numbers that are circled are not shown in the illustration. Symbol Q'ty/unit No. Part No. Part name in Wiring Diagram MUX-0WV- E Remarks E E0 6 E0 6 5 E E E E E E E0 755 E E E E E E E E E E OUTDOOR HET EXCHNGER CBINET GRILLE(OUT) COMPRESSOR COMPRESSOR RUBBER SET BSE STOP VLVE(GS) STOP VLVE(LIQUID) SERVICE PNEL BCK PNEL MOTOR SUPPORT TOP PNEL SOLENOID COIL SOLENOID COIL SOLENOID COIL SOLENOID VLVE(R,R) SOLENOID VLVE(R) CPILLRY TUBE CPILLRY TUBE CPILLRY TUBE MC R R R RN09VHSHT RUBBERS/SET {9.5 {6.5 {.0x{.4x000 (, B room) {.0x{.6x900 (, B room) {.0x{.4x400 50

151 MUX-0WV - E 5-. OUTDOOR UNIT ELECTRICL PRTS ND FUNCTIONL PRTS B Symbol Q'ty/unit No. Part No. Part name in Wiring Diagram MUX-0WV- E Remarks E E E E E E E E E0 8 8 E E E PROPELLER FN OUTDOOR FN MOTOR MF TERMINL BLOCK TB OUTDOOR FN CPCITOR C RELY X,X COMPRESSOR CONTCTOR 5C TERMINL BLOCK TB TERMINL BLOCK TB SURGE BSORBER DSR COMPRESSOR CPCITOR C FUSE F6,F6 FUSE HOLDER R6V-.0+ /440V C 4P FIGURE P FIGURE B 0+ /450V C 50V/ 5

152 MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV OUTDOOR UNIT STRUCTURL PRTS E These figures show MUX-0WV. 5

153 5-. OUTDOOR UNIT STRUCTURL PRTS Part numbers that are circled are not shown in the illustration. Symbol Q'ty / unit No. Part No. Part Name in Wiring MUX-9 MUX-0 MUX-5 MUX-6 Remarks Diagram WV- E WV- E WV- E WV- E E TOP PNEL E MOTOR SUPPORT E MOTOR SUPPORT E OUTDOOR HET EXCHNGER E OUTDOOR HET EXCHNGER 4 E0 66 CBINET E0 76 CBINET 5 E FN GURD 6 E HNDLE 7 E COMPRESSOR MC RN09VHSHT E COMPRESSOR MC RN099VHSHT 8 E COMPRESSOR MC,MC RN45VHSHT 9 E COMPRESSOR MC,MC RN5VHSHT E CPILLRY TUBE (B room) [.0O[.4O00 E CPILLRY TUBE ( room) [.0O[.4O850 E CPILLRY TUBE ( room) [.0O[.4O950 0 E CPILLRY TUBE (B, C room) [.0O[.6O900 E CPILLRY TUBE (, B room) [.0O[.4O700 E CPILLRY TUBE (C, D room) [.0O[.8O800 E CPILLRY TUBE (, B room) [.0O[.0O700 E CPILLRY TUBE (, B room) [.0O[.8O700 E CPILLRY TUBE (C,D room) [.0O[.6O600 E COMPRESSOR RUBBER SET RUBBERS/SET E BSE E STOP VLVE (GS) [.7 E STOP VLVE (GS) [9.5 4 E STOP VLVE (LIQ) 4 [6.5 5 E CPILLRY TUBE [.0O[.4O000 6 E SERVICE PNEL E SERVICE PNEL 7 E0 756 BCK PNEL (OUT) E0 76 BCK PNEL (OUT) 8 E HNDLE 9 E SOLENOID COIL RB 0 E SOLENOID COIL (B) R E SOLENOID COIL (C) R4 E SOLENOID COIL (BLNCE) R E SOLENOID COIL (BLNCE) RB 4 E SOLENOID COIL () R 5 E SOLENOID COIL (B) R 6 E SOLENOID COIL (C) R 7 E SOLENOID COIL (D) R4 8 E SOLENOID VLVE 4 9 E SOLENOID VLVE 5

154 MUX-9WV - E MUX-0WV - E MUX-5WV - E MUX-6WV OUTDOOR UNIT FUNCTIONL PRTS ND ELECTRICL PRTS E B 5 Part numbers that are circled are not shown in the illustration. Symbol Q'ty / unit No. Part No. Part Name in Wiring MUX-9 MUX-0 MUX-5 MUX-6 Remarks Diagram WV- E WV- E WV- E WV- E MF6 R6V60- MF6 R6V E E E E E E E E E E E0 8 5 E E0 7 8 E E E E0 8 8 E E OUTDOOR FN MOTOR OUTDOOR FN MOTOR PROPELLER FN OUTDOOR CONTROL P.C. BORD OUTDOOR CONTROL P.C. BORD OUTDOOR CONTROL P.C. BORD OUTDOOR CONTROL P.C. BORD TERMINL BLOCK TERMINL BLOCK TERMINL BLOCK OUTDOOR FN CPCITOR OUTDOOR FN CPCITOR FUSE COMPRESSOR CPCITOR COMPRESSOR CPCITOR COMPRESSOR CPCITOR SURGE BSORBER TERMINL BLOCK SURGE BSORBER 4 TB TB,TB TB TB C6 C6 F6 C C C,C C C,C DSR TB4 NR6 4P FIGURE P FIGURE B P.0+/440V C 4.0+/440V C.5 0+/450V C 5+/450V C 0+/450V C 54

155 MXZ-8WV - E 5-4. OUTDOOR UNIT FUNCTIONL PRTS ND ELECTRICL PRTS 5-5. CCESSORY OUTDOOR UNIT FUNCTIONL PRTS ND ELECTRICL PRTS Part numbers that are circled are not shown in the illustration. No Parts No. Parts Name E RECTOR E NOISE FILTER P.C. BORD E TERMINL BLOCK E TERMINL BLOCK E FUSE HOLDER E FUSE E GS PIPE TEMPERTURE THERMISTOR SET E THERMISTOR SET E ELECTRONIC CONTROL P.C. BORD E FIN TEMPERTURE THERMISTOR E FUSE&VRISTOR Symbol in Wiring Diagram L TB TB F6 RT6, RT6B RT6,RT6,RT6,RT68 RT65 F9,NR6 Q'ty / unit MXZ-8WV- E Remarks 0/ 50VC.5 50V 5-5. CCESSORY E DRIN SOCKET E DRIN CP PCS/SET 55

156 MXZ-8WV - E 5-6. OUTDOOR UNIT FUNCTIONL PRTS ND STRUCTURL PRTS E Part numbers that are circled are not shown in the illustration. Symbol No. Parts No. Parts Name in Wiring Diagram Q'ty / unit MXZ-8WV E E0 66 E E E E E E E E E E E E E E0 75 E E E E E E E FN GURD CBINET HNDLE PROPELLER FN OUTDOOR FN MOTOR COMP RUBBER SET COMPRESSOR BSE STOP VLVE (GS) STOP VLVE (LIQUID) EXPNSION VLVE CPILLRY TUBE 4-WY VLVE SOLENOID COIL SERVICE PNEL BCK PNEL (OUT) HNDLE MOTOR SUPPORT OUTDOOR HET EXCHNGER TOP PNEL MUFFLER CPILLRY TUBE CPILLRY TUBE MF MC LEV(,B) S4 Remarks R6V49- RUBBERS/SET SNV-09FJYH [.8O[0.6O750 [.0O[.0O400 [.0O[.8O600 56