TECHNICAL & SERVICE MANUAL. Ceiling Cassettes

Transcription

1 RESET RESET SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS SPLIT-TYPE, AIR CONDITIONERS TECHNICAL & SERVICE MANUAL Series SLH/SL Indoor unit [Model names] SLH-AR SLH-.6AR SLH-AR SL-AR SL-.6AR SL-AR Ceiling Cassettes [Service Ref.] SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH SL-AR.TH SL-AR.TH-T SL-.6AR.TH SL-.6AR.TH-T SL-AR.TH SL-AR.TH-T No. OC0 REVISED EDITION-B Revision: SLH-AR.TH, SLH-.6AR.TH and SLH-AR.TH are added in REVISED EDITION-B. Please void OC0 REVISED EDITION-A. This manual does not cover the following outdoor units. When servicing them, please refer to the service manual No.OC REVISED EDITION-B and this manual in a set. SUH-VR.TH, SUH-.6VR.TH, SUH-VR.TH, SUH-VR.TH, SU-VR.TH, SU-.6VR.TH, SU-VR.TH, SU-VR.TH-T, SU-.6VR.TH-T, SU-VR.TH-T [For SLH- AR.TH] NOTE: This service manual descrides only for the indoor unit and the connected outdoor unit of SUH series. In PUMY series, refer to the service manual outdoor unit and R-CONVERTER UNIT for PUMY series. ON/OFF AUTO COOL HEAT DRY MODE TOO WARM FAN VANE INDOOR UNIT h TOO COOL SELECT TIME ON/OFF FAN COOL DRY MODE TOO WARM FAN VANE h TOO COOL SELECT TIME CONTENTS. TECHNICAL CHANGE. PART NAMES AND FUNCTIONS. SPECIFICATIONS 4 4. OUTLINES AND DIMENSIONS 4. WIRING DIAGRAM 6 6. REFRIGERANT SYSTEM DIAGRAM 9 7. DATA 4 8. MICROPROCESSOR CONTROL TROUBLESHOOTING WAY AIR FLOW SYSTEM 6. DISASSEMBLY PROCEDURE 6. PARTS LIST 68 REMOTE CONTROLLER SLH-AR SLH-.6AR SLH-AR SL-AR SL-.6AR SL-AR

2 TECHNICAL CHANGE SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH. The indoor controller board changed in order to connect with R-CONVERTER UNIT.. Outdoor units of the PUMY series are cnnectable via R-CONVERTER UNIT. PART NAMES AND FUNCTIONS Indoor (Main) Unit SLH-AR.TH SL-AR.TH SL-AR.TH-T SLH-.6AR.TH SL-.6AR.TH SL-.6AR.TH-T SLH-AR.TH SL-AR.TH SL-AR.TH-T SLH-AR.TH SLH-.6AR.TH SLH-AR.TH Horizontal Air Outlet Sets airflow horizontal automatically during cooling or dehumidifying. Filter Remove dust and pollutants from inhaled air Grille Auto Air Swing Vane Disperses airflow up and down and adjusts the angle of airflow direction. Air Intake Inhales air from room.

3 Remote controller ON / OFF button ON/OFF TOO WARM h TOO COOL SET TEMPERATURE button SET TEMPERATURE button sets and any desired room temperature. Pushing button starts operation. Pushing again stops operation. MODE SELECT button This button is used to change between auto, cooling, heating and drying operation modes. (SLH) AUTO COOL HEAT DRY MODE FAN VANE SELECT RESET TIME TIMER SELECT button Used for selecting timed starting or stopping. FAN SPEED button This button is used to set fan speed to low, medium or high. SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-AR.TH VANE CONTROL button Used to change the airflow direction. h ON/OFF TOO WARM TOO COOL COOL FAN SELECT FAN DRY VANE TIME MODE SELECT button This button is used to change between cooling, drying and fan operation modes. (SL) MODE RESET Attention : SL-AR.TH SL-AR.TH-T SL-.6AR.TH SL-.6AR.TH-T SL-AR.TH SL-AR.TH-T Avoid operation of buttons with fingernails or other sharp objects. Sharp objects may scratch remote controller.

4 SPECIFICATIONS Service Ref. SLH-AR.TH SLH-AR.TH SUH-VR.TH SLH-.6AR.TH SLH-.6AR.TH SUH-.6VR.TH Function Power supply Capacity Capacity Dehumidification Air flow Running current Power input Auxiliary heater Electrical Power factor data Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) kw R/h K/h A W A(kW) % A A A Cooling Heating Cooling Heating Single phase, 0-0V, 0Hz Model RH-74VGHT RH-7VHAT Compressor Output W Winding resistance (at :) " C-R:. C-S:.80 C-R:.80 C-S:.00 Indoor fan motor Outdoor fan motor Model Winding resistance (at :) Model Winding resistance (at :) " " PK6V-LA WHT-BLK : 8 BLK-BLU : 7 BLU-YLW : YLW-BRN : 9 BRN-RED : PN6V-UA WHT-BLK : BLK-RED : PK6V-LA WHT-BLK : 84 BLK-BLU : BLU-YLW : 49 YLW-BRN : 46 BRN-RED : RA6V40-EE WHT-BLK : BLK-RED : Width mm 70 [60] Dimensions Indoor unit [Grille] Height Depth Width mm mm mm [] 70 [60] 80 Outdoor unit Height mm Depth mm 0 Weight Indoor unit [Grille] Outdoor unit kg kg [] 6. [] 4 Sound level Indoor unit db 6 9 (Hi) Outdoor unit db 47 0 Fan speed Indoor unit rpm (Hi) Outdoor unit rpm Special Fan speed Indoor unit remarks regulator Outdoor unit Outlet air speed and coverage range Air speed Coverage range Refrigerant filling capacity(r-) Refrigerant oil Thermistor RT(at :) RT(at :) RT6(at 0:) m/w m kg L k" k" k" MS6 O 0. NOTE:Test conditions Cooling : Indoor D.B. C W.B. 9 C Outdoor D.B. C W.B. C Heating : Indoor D.B. C W.B. Outdoor D.B. 7 C W.B. 6 C MS6 O 0.

5 Capacity Electrical data Capacity Dehumidification Air flow Running current Power input Auxiliary heater Power factor Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) Compressor Indoor fan motor Outdoor fan motor Dimensions Weight Special remarks Model Output Winding resistance (at :) Model Winding resistance (at :) Model Indoor unit [Grille] Outdoor unit Indoor unit [Grille] Outdoor unit Sound level (Hi) Fan speed (Hi) Fan speed regulator Outlet air speed and coverage range Width Height Depth Width Height Depth Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Air speed Coverage range Refrigerant filling capacity(r-) Thermistor Service Ref. Function Power supply Winding resistance (at :) Refrigerant oil RT(at :) RT(at :) RT6(at 0:) kw R/h K/h A W A(kW) % A A A W " " " mm mm mm mm mm mm kg kg db db rpm rpm m/w m kg L k" k" k" NOTE:Test conditions Cooling : Indoor D.B. C W.B. 9 C Outdoor D.B. C W.B. C Heating : Indoor D.B. C W.B. Outdoor D.B. 7 C W.B. 6 C SLH-AR.TH SLH-AR.TH SUH-VR.TH SUH-VR.TH Cooling Heating Single phase, 0-0V, 0Hz NH8VMDT 700 C-R :.07 C-S :. PK6V-LB WHT-BLK : 7 BLK-BLU : 88 BLU-YLW : YLW-BRN : 4 BRN-RED : RA6V0-OF WHT-BLK : 6 BLK-RED : 70 [60] 8 [] 70 [60] [] MS(N-) O. 0 0.

6 Capacity Electrical data Service Ref. Function Power supply Capacity Dehumidification Air flow Running current Power input Auxiliary heater Power factor Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) Compressor Indoor fan motor Outdoor fan motor Dimensions Weight Special remarks Model Output Winding resistance (at :) Model Winding resistance (at :) Model Winding resistance (at :) Indoor unit [Grille] Outdoor unit Indoor unit [Grille] Outdoor unit Sound level (Hi) Fan speed (Hi) Fan speed regulator Width Height Depth Width Height Depth Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Air speed Coverage range kw R/h K/h A W A(kW) % A A A W " " " mm mm mm mm mm mm kg kg db db rpm rpm SL-AR.TH SL-AR.TH-T SU-VR.TH SU-VR.TH-T Cooling RH-74VGHT 800 C-R:. C-S:.80 PK6V-LA WHT-BLK : 8 BLK-BLU : 7 BLU-YLW : YLW-BRN : 9 BRN-RED : RA6V-FC WHT-BLK : BLK-RED : [] Outlet air speed and coverage range Refrigerant filling capacity(r-) Refrigerant oil RT(at :) m/w m kg L k" MS6 O 0. Thermistor RT(at :) RT6(at 0:) k" k" NOTE:Test conditions Cooling : Indoor D.B. C W.B. 9 C Outdoor D.B. C W.B. C Heating : Indoor D.B. C W.B. Outdoor D.B. 7 C W.B. 6 C 6 Single phase, 0-0V, 0Hz 70 [60] 8 [] 70 [60] 0 0. SL-.6AR.TH SL-.6AR.TH-T SU-.6VR.TH SU-.6VR.TH-T Cooling RH-7VHAT 0 C-R:.80 C-S:.00 PK6V-LA WHT-BLK : 84 BLK-BLU : BLU-YLW : 49 YLW-BRN : 46 BRN-RED : RA6V40-EE WHT-BLK : BLK-RED : [] MS6 O 0.

7 Capacity Electrical data Capacity Dehumidification Air flow Running current Power input Auxiliary heater Power factor Starting current Compressor motor current Fan motor current Coefficient of performance (C.O.P) Compressor Indoor fan motor Outdoor fan motor Dimensions Weight Special remarks Model Output Winding resistance (at :) Model Winding resistance (at :) Model Indoor unit [Grille] Service Ref. Function Power supply Winding resistance (at :) Outdoor unit Indoor unit [Grille] Outdoor unit Sound level (Hi) Fan speed (Hi) Fan speed regulator Width Height Depth Width Height Depth Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Air speed Coverage range kw R/h K/h A W A(kW) % A A A W " " " mm mm mm mm mm mm kg kg db db rpm rpm Outlet air speed and coverage range Refrigerant filling capacity(r-) Refrigerant oil RT(at :) m/w m kg L k" Thermistor RT(at :) RT6(at 0:) k" k" NOTE:Test conditions Cooling : Indoor D.B. C W.B. 9 C Outdoor D.B. C W.B. C Heating : Indoor D.B. C W.B. Outdoor D.B. 7 C W.B. 6 C 7 SL-AR.TH SL-AR.TH-T SU-VR.TH SU-VR.TH-T Cooling Single phase, 0-0V, 0Hz NH8VMDT 700 C-R :.07 C-S :. PK6V-LB WHT-BLK : 7 BLK-BLU : 88 BLU-YLW : YLW-BRN : 4 BRN-RED : RA6V0-OF WHT-BLK : 6 BLK-RED : 70 [60] 8 [] 70 [60] [] MS(N-) O. 0 0.

8 8 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : 970 W SHF :

9 9 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : 970 W SHF :

10 0 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : 00 W SHF :

11 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : 00 W SHF :

12 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-.6AR CAPACITY : 4.0 kw INPUT : 600 W SHF :

13 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-.6AR CAPACITY : 4.0 kw INPUT : 600 W SHF :

14 4 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-.6AR CAPACITY : 4. kw INPUT : 700 W SHF :

15 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-.6AR CAPACITY : 4. kw INPUT : 700 W SHF :

16 6 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :.0 kw INPUT : W SHF : 0.64

17 7 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :.0 kw INPUT : W SHF : 0.64

18 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : W SHF : 0.64

19 9 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SLH-AR CAPACITY :. kw INPUT : W SHF : 0.64

20 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :.6 kw INPUT : 990 W SHF : 0.7

21 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :.6 kw INPUT : 990 W SHF : 0.7

22 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :.6 kw INPUT : 0 W SHF : 0.7

23 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :.6 kw INPUT : 0 W SHF : 0.7

24 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-.6AR CAPACITY : 4.0 kw INPUT : 640 W SHF :

25 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-.6AR CAPACITY : 4.0 kw INPUT : 640 W SHF :

26 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-.6AR CAPACITY : 4. kw INPUT : 740 W SHF :

27 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-.6AR CAPACITY : 4. kw INPUT : 740 W SHF :

28 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :. kw INPUT : 0 W SHF : 0.64

29 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :. kw INPUT : 0 W SHF : 0.64

30 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :. kw INPUT : 60 W SHF : 0.64

31 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT PERFORMANCE DATA COOLING operation(0v) SL-AR CAPACITY :. kw INPUT : 60 W SHF : 0.64

32 PERFORMANCE DATA HEATING operation(0v) SLH-AR CAPACITY :.0 kw INPUT : 00 W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q.67.7 OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT Q INPUT Q INPUT SLH-.6AR CAPACITY : 4. kw INPUT : 0 W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT Q INPUT Q INPUT SLH-AR CAPACITY :.4 kw INPUT : 0 W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT Q INPUT Q INPUT HEATING operation(0v) SLH-AR CAPACITY :. kw INPUT : 00 W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT Q INPUT Q INPUT SLH-.6AR CAPACITY : 4.6 kw INPUT : 60 W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT Q INPUT Q INPUT SLH-AR CAPACITY :. kw INPUT : W INDOOR -0 D.B.(;) Q INPUT Q INPUT Q OUTDOOR W.B.(;) 0 INPUT Q INPUT Q INPUT 4 Q INPUT Q INPUT

33 NOISE CRITERION CURVES SLH-AR.TH SLH-AR.TH SL-AR.TH SL-AR.TH-T 90 NOTCH SPL(dB) Hi 6 Me 4 Lo <0Hz> LINE SLH-.6AR.TH SLH-.6AR.TH SL-.6AR.TH SL-.6AR.TH-T 90 <0Hz> NOTCH Hi Me SPL(dB) 9 7 LINE Lo 4 OCTAVE BAND SOUND PRESSURE LEVEL, db re 0.00 MICRO BAR APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC-70 NC-60 NC-0 NC-40 NC- NC- OCTAVE BAND SOUND PRESSURE LEVEL, db re 0.00 MICRO BAR APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC-70 NC-60 NC-0 NC-40 NC- NC- BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz SLH-AR.TH SLH-AR.TH SL-AR.TH SL-AR.TH-T 90 <0Hz> NOTCH Hi Me SPL(dB) 40 8 LINE Lo OCTAVE BAND SOUND PRESSURE LEVEL, db re 0.00 MICRO BAR APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC-70 NC-60 NC-0 NC-40 NC- NC- UNIT CEILING.m MICROPHONE Ambient temperature : Test conditions are based on JIS Z87 BAND CENTER FREQUENCIES, Hz NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops. The sound may be bigger than displayed level under actual installation condition by surrounding echoes. The sound level can be higher by about db than the displayed level during cooling and heating operation.

34 4 OUTLINES AND DIMENSIONS SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SL-AR.TH SL-.6AR.TH SL-AR.TH SL-AR.TH-T SL-.6AR.TH-T SL-AR.TH-T SLH-AR.TH SLH-.6AR.TH SLH-AR.TH Unit : mm Fresh air intake Suspension bolt pitch 70 Detail drawing of fresh air intake [00 -[.8 hole Burring hole [7.4 Cut out hole Drain pipe VP- connection (O.D. [) ~7 76~6 Ceiling hole ~7 Wiring entry 7 Suspension bolt M0 or W/8 Ceiling surface V/M Air outlet hole Grille Grille Drain hole Operation lamp DEFROST/STAND BY lamp Receiver V/M Auto vane Air outlet hole 77 Air intake hole Suspension bolt lower edge Terminal block Ceiling surface 8~8 66 ~ ~6 Ceiling hole 4 Suspension bolt pitch 70 ~7 99 Models SLH-AR SL-AR Emergency operation switch(heating) Emergency operation switch(cooling) V/M V/M Air intake grille Vane motor 77 Air intake hole Refrigerant pipe (.88mm dia.) flared connection /8F (6.mm dia.) Refrigerant pipe flared connection /4F SLH-AR SL-AR SLH-.6AR SL-.6AR (9.mm dia.) Refrigerant pipe flared connection /4F /8F Refrigerant pipe (6.mm dia.) flared connection Refrigerant pipe Refrigerant pipe (6.mm dia.) (.7mm dia.) flared connection /F flared connection /4F 4

35 REMOTE CONTROLLER 7 7. h ON/OFF TOO WARM TOO COOL 40 AUTO COOL HEAT DRY FAN VANE SELECT TIME MODE RESET B D C A Installation area Area in which the remote controller is not exposed direct sunshine. Area in which there is no nearby heating source. Area in which the remote controller is not exposed to cold (or hot) winds. Area in which the remote controller can be operated easily Area in which the remote controller is beyond the reach of children. Installation method Attach the remote controller holder to the desired location using two tapping screws. Place the lower end of the controller into the holder. A Wireless remote controller (Accessory) B Wall C Remote controller holder (Accessory) D Fixing screw (Accessory) The signal can travel up to approximately 7 meters (in a straight line) within 4 degrees to both right and left of the center line of the receiver. In addition, the signal may not be received if there is interference of light of fluorescent lights or strong sunlight.

36 WIRING DIAGRAM SLH-AR.TH SLH-.6AR.TH SLH-AR.TH CIRCUIT BREAKER TB L w WHT N w BLU TO OUTDOOR UNIT CONNECTING POWER SUPPLY ~/N 0-0V 0Hz TB VDC w RED 0-0V~ GRN/YLW w WHT N w BLU GRN/YLW DP MF YLW YLW YLW YLW WHT BLK BLU YLW BRN RED ORN CNC (HEATER) RED 7 CND(POWER) RED CNP (PUMP) BLU FAN (FAN) WHT FAN(FAN) WHT C X X X X4 X X TRANS DC.V X X X4 X C w 4 ZNR FUSE CN (PIPE) WHT CN90 (WIRELESS) WHT CN6V (VANE) GRN 4 6 I.B CN (INTAKE) RED CN (DRAIN) WHT SKY BLU PINK GRY VLT BLU YLW ORN RED BRN RT RT DS BLU WHT YLW ORN RED GRILLE BLU WHT YLW ORN RED YLW YLW BRN RED ORN YLW BLU VLT GRY PINK 9 H BZ MV MV MV MV CNB LED LED SW SW SKY BLU W.B RU W.R REMOTE CONTROLLER [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME I.B C INDOOR CONTROLLER BOARD FAN MOTOR CAPACITOR FUSE FUSE(.A) X RELAY(D.PUMP /D.HEATER) RELAY X-X (FAN MOTOR) ZNR VARISTOR COMPRESSOR C CONTACTOR W.B BZ WIRELESS REMOTE CONTROLLER BOARD BUZZER LED(RUN LED INDICATOR) LED LED (HOT ADJUST) SWITCH SW (HEATING ON/OFF) SW SWITCH (COOLING ON/OFF) RU RECEVING UNIT DP DS H MF MV RT RT TB W.R DRAIN-UP MACHINE DRAIN SENSOR DEW PREVENTION HEATER FAN MOTOR VANE MOTOR ROOM TEMP. THERMISTOR COIL TEMP. THERMISTOR TERMINAL BLOCK WIRELESS REMOTE CONTROLLER NOTES:.About the outdoor side electric wiring refer to the outdoor unit electlic wiring diagram for servicing..use copper conductors only. (For field wiring).symbols below indicate. : Terminal block : Connector How to remove the terminals shown at w mark. w shows the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire.be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger. locking lever sleeve Slide the sleeve. Pull the wire while pushing the locking lever. 6

37 SLH-AR.TH SLH-.6AR.TH SLH-AR.TH CIRCUIT BREAKER TB L wwht POWER SUPPLY ~/N 0-0V 0V 0Hz 60Hz TB VDC w RED TO OUTDOOR UNIT CONNECTING 0-0V~ FOR MULTI SYSTEM VDC TO OUTDOOR UNIT CONNECTING (OR "R-CONVERTER UNIT" N IN CASE OF PUMY) N N w BLU GRN/YLW wwht wblu GRN/YLW GRILLE DP MF YLW YLW YLW YLW WHT BLK BLU YLW BRN RED ORN CNC (HEATER) RED 7 CND(POWER) RED CNP (PUMP) BLU FAN (FAN) WHT FAN(FAN) WHT C X X C w 4 X X TRANS DC.V X X X4 X X X4 FUSE ZNR CN (PIPE) WHT I.B CN (INTAKE) RED CN6V (VANE) GRN 4 6 BLU WHT CN (DRAIN) WHT CN90 (WIRELESS) WHT YLW ORN RED SKY BLU PINK GRY VLT BLU YLW ORN RED BRN RT RT DS BLU WHT YLW ORN RED YLW YLW BRN RED ORN YLW BLU VLT GRY PINK H BZ MV MV MV MV CNB LED LED SW SW 9 SKY BLU W.B RU W.R REMOTE CONTROLLER [LEGEND] SYMBOL NAME SYMBOL NAME I.B C INDOOR CONTROLLER BOARD FAN MOTOR CAPACITOR FUSE FUSE(.A) X RELAY(D.PUMP /D.HEATER) RELAY X-X (FAN MOTOR) ZNR VARISTOR C COMPRESSOR CONTACTOR W.B BZ RU WIRELESS REMOTE CONTROLLER BOARD BUZZER LED(RUN LED INDICATOR) LED LED (HOT ADJUST) SWITCH SW (HEATING ON/OFF) SW SWITCH (COOLING ON/OFF) RECEVING UNIT SYMBOL DP DS RT RT TB W.R VANE MOTOR ROOM TEMP. THERMISTOR COIL TEMP. THERMISTOR TERMINAL BLOCK WIRELESS REMOTE CONTROLLER NOTES:. About the outdoor side electric wiring refer to the outdoor unit electlic wiring diagram for servicing.. Use copper conductors only. (For field wiring). Symbols below indicate. : Terminal block : Connector H MF MV NAME DRAIN-UP MACHINE DRAIN SENSOR DEW PREVENTION HEATER FAN MOTOR How to remove the terminals shown at " w " mark. "w" shows the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire. Be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger. sleeve Slide the sleeve. Pull the wire while pushing the locking lever. locking lever 7

38 SL-AR.TH SL-AR.TH-T SL-.6AR.TH SL-.6AR.TH-T SL-AR.TH SL-AR.TH-T CIRCUIT BREAKER TB L w WHT w BLU GRN/YLW POWER SUPPLY ~/N 0-0V 0Hz TB 0-0V~ w RED 0-0V~ w WHT TO OUTDOOR UNIT CONNECTING N w BLU N GRN/YLW DP MF YLW YLW YLW YLW WHT BLK BLU YLW BRN RED ORN CNC (HEATER) RED 7 CND(POWER) RED CNP (PUMP) BLU FAN (FAN) WHT FAN (FAN) WHT C X X X X4 C w w 4 X TRANS DC.V X X X4 FUSE ZNR CN (PIPE) WHT I.B CN (INTAKE) RED CN (DRAIN) WHT CN90 (WIRELESS) WHT CN6V (VANE) GRN SKY BLU PINK GRY VLT BLU YLW ORN RED BRN RT RT DS BLU WHT YLW ORN RED GRILLE BLU WHT YLW ORN RED YLW YLW BRN RED ORN YLW BLU VLT GRY PINK 9 H BZ MV MV MV MV CNB LED LED SW SW SKY BLU RU W.B W.R REMOTE CONTROLLER [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME I.B C INDOOR CONTROLLER BOARD FAN MOTOR CAPACITOR FUSE FUSE(.A) X RELAY(D.PUMP /D.HEATER) RELAY X-X4 (FAN MOTOR) ZNR VARISTOR COMPRESSOR C CONTACTOR W.B BZ WIRELESS REMOTE CONTROLLER BOARD BUZZER LED(RUN LED INDICATOR) LED LED ( ) SWITCH SW ( ) SW SWITCH (COOLING ON/OFF) RU RECEVING UNIT DP DS H MF MV RT RT TB W.R DRAIN-UP MACHINE DRAIN SENSOR DEW PREVENTION HEATER FAN MOTOR VANE MOTOR ROOM TEMP. THERMISTOR COIL TEMP. THERMISTOR TERMINAL BLOCK WIRELESS REMOTE CONTROLLER NOTES:.About the outdoor side electric wiring refer to the outdoor unit electlic wiring diagram for servicing..use copper conductors only. (For field wiring).symbols below indicate. : Terminal block : Connector How to remove the terminals shown at w mark. w shows the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire.be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger. locking lever sleeve Slide the sleeve. Pull the wire while pushing the locking lever. 8

39 6 REFRIGERANT SYSTEM DIAGRAM SLH-AR.TH SLH-AR.TH INDOOR UNIT Indoor heat exchanger Strainer (#0) Refrigerant pipe [9. (Option) (with heat insulator) Flared connection Muffler Stop valve (with service port) Reversing valve Strainer (#00) Outdoor heat exchanger SUH-VR.TH OUTDOOR UNIT Indoor coil thermistor RT Room temperature thermistor RT Distributor (With strainer) Flared connection Accumulator (#00) Strainer Compressor Capillary tube ({.0X{.4XL800)X Capillary tube ({.0x{.4xL80) Dis Pressure Regulator Defrost thermistor RT6 Strainer (#0) SLH-.6AR.TH SLH-.6AR.TH INDOOR UNIT Indoor heat exchanger Strainer (#0) Refrigerant pipe (Option) [6. (with heat insulator) Refrigerant pipe [.7 (Option) (with heat insulator) Flared connection Stop valve Muffler Stop valve (with service port) Reversing valve Restrictor valve Capillary tube ({.0x{.6xL400) Refrigerant flow in cooling Refrigerant flow in heating Strainer (#00) Outdoor heat exchanger SUH-.6VR.TH OUTDOOR UNIT Indoor coil thermistor RT Distributor (With strainer) Accumulator Compressor Dis Pressure Regulator Capillary tube ({.0x{.8xL0) Room temperature thermistor RT Flared connection (#00) Strainer Defrost thermistor RT6 Capillary tube ({.0x{.6xL4) SLH-AR.TH SLH-AR.TH INDOOR UNIT Indoor heat exchanger Strainer (#0) Strainer (#0) Refrigerant pipe (Option) [6. (with heat insulator) Refrigerant pipe [.88 (Option) (with heat insulator) Flared connection Stop valve Muffler Stop valve (with service port) Reversing valve Restrictor valve Refrigerant flow in cooling Refrigerant flow in heating Strainer (#00) SUH-VR.TH SUH-VR.TH Outdoor heat exchanger OUTDOOR UNIT Indoor coil thermistor RT Distributor (With strainer) Accumulator Compressor Dis Pressure Regulator Capillary tube ({.0X{.6XL860)X Room temperature thermistor RT Flared connection (#00) Strainer Defrost thermistor RT6 Capillary tube ({4.0X{.4XL660) VR ({.0X{.0XL0) VR Strainer (#0) Refrigerant pipe (Option) [6. (with heat insulator) Stop valve Restrictor valve Refrigerant flow in cooling Refrigerant flow in heating 9

40 SL-AR.TH SL-AR.TH-T INDOOR UNIT Refrigerant pipe [9. (Option) (with heat insulator) SU-VR.TH SU-VR.TH-T OUTDOOR UNIT Indoor heat exchanger Strainer (#0) Flared connection Stop valve (with service port) Outdoor heat exchanger Indoor coil thermistor (RT) Distributor (With strainer) Compressor Room temperature thermistor (RT) Flared connection (#00) Strainer Refrigerant flow Strainer (#0) Refrigerant pipe (Option) [6. (with heat insulator) Stop valve Capillary tube ([.0x[.4xL600) SL-.6AR.TH SL-.6AR.TH-T INDOOR UNIT Refrigerant pipe [.7 (Option) (with heat insulator) SU-.6VR.TH SU-.6VR.TH-T OUTDOOR UNIT Indoor heat exchanger Strainer (#0) Flared connection Stop valve (with service port) Outdoor heat exchanger Indoor coil thermistor (RT) Distributor (With strainer) Compressor Room temperature thermistor (RT) Flared connection (#00) Strainer Refrigerant flow Strainer (#0) SL-AR.TH SL-AR.TH-T INDOOR UNIT Refrigerant pipe (Option) [6. (with heat insulator) Refrigerant pipe [.88 (Option) (with heat insulator) Stop valve Capillary tube ([.0x[.8xL00) SU-VR.TH SU-VR.TH-T OUTDOOR UNIT Indoor heat exchanger Strainer (#0) Flared connection Stop valve (with service port) Outdoor heat exchanger Indoor coil thermistor Distributor (With strainer) Accumulator Compressor Room temperature thermistor Flared connection (#00) Strainer Refrigerant flow Strainer (#0) Refrigerant pipe (Option) [6. (with heat insulator) Stop valve 40 Capillary tube ([.0x[.0xL70)

41 MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE Models Indoor unit SLH-AR.TH, SLH-AR.TH SL-AR.TH SL-AR.TH-T SLH-.6AR.TH, SLH-.6AR.TH SL-.6AR.TH SL-.6AR.TH-T SLH-AR.TH, SLH-AR.TH SL-AR.TH SL-AR.TH-T Outdoor unit SUH-VR.TH SU-VR.TH SU-VR.TH-T SUH-.6VR.TH SU-.6VR.TH SU-.6VR.TH-T wit does not matter which unit is higher. SUH-VR.TH, SUH-VR.TH SU-VR.TH SU-VR.TH-T Length : m(ft) A (66) Piping size O.D. : mm (in.) Gas Liquid {9.(/8) {.7(/) {6.(/4) {.88(/8) Max. Height difference * 8m(ft) A: Refrigerant piping Max.length m(66ft) ADDITIONAL REFRIGERANT CHARGE (R- : g) If pipe length exceeds 7m, additional refrigerant (Freon ) charge is required Models Indoor unit Outdoor unit SLH-AR.TH, SLH-AR.TH SUH-VR.TH SLH-.6AR.TH, SLH-.6AR.TH SUH-.6VR.TH SLH-AR.TH, SLH-AR.TH SUH-VR.TH, SUH-VR.TH SL-AR.TH, SL-AR.TH-T SU-VR.TH, SU-VR.TH-T SL-.6AR.TH, SL-.6AR.TH-T SU-.6VR.TH, SU-.6VR.TH-T SL-AR.TH, SL-AR.TH-T SU-VR.TH, SU-VR.TH-T Outdoor unit precharged (up to 7m) 800,400, ,600 Calculation : (SLH-AR)og=g/mo(Refrigerant piping length minus 7m) (SLH-.6/AR)og=0g/mo(Refrigerant piping length minus 7m) (SL-/.6/AR)og=g/mo(Refrigerant piping length minus 7m) Refrigerant piping length (one way) 7m 8m 9m 0m m m m 4m m 6m 7m m 9m m (g)

42 EVACUATION PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoor and the outdoor units. Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe. (The stop valve will not work in its initial state fresh out of the factory (totally closed with cap on).) Connect the gauge manifold valve and the vacuum pump to the service port of the stop valve on the gas pipe side of the outdoor unit. Run the vacuum pump. (Vacuumize for more than minutes.) Check the vacuum with the gauge manifold valve, then close the gauge manifold valve, and stop the vacuum pump. Leave as it is for one or two minutes. Make sure the pointer of the gauge manifold valve remains in the same position. Confirm that the pressure gauge show-0. MPa(-76 cmhg) Open Hexagonal wrench Close Stop valve SU(H)-VR SU(H)-.6VR SU(H)-VR Stop valve Liquid pipe Hexagonal wrench Gas pipe Connection pipe Gauge manifold valve Stop valve Service port Caps Vacuum pump Remove the gauge manifold valve quickly from the service port of the stop valve. After refrigerant pipes are connected and evacuated, fully open all stop valves on gas and liquid pipe sides. Operating without fully opening lowers the performance and causes trouble. Pipe length : 7m maximum No gas charge is needed. Pipe length exceeding 7m Charge the prescribed amount of gas. Tighten the cap to the service port to obtain the initial status. Retighten the cap. Leak test 4

43 7 DATA The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition. 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. () GUARANTEED VOLTAGE Rated voltage : ±0% (98~4V), 0Hz () AIR FLOW Air flow should be set at MAX. () MAIN READINGS COOLING () Indoor intake air wet-bulb temperature : W.B. C () Indoor outlet air wet-bulb temperature : W.B. C () Outdoor intake air dry-bulb temperature : D.B. C (4) Total input : W HEATING () Indoor intake air dry-bulb temperature : D.B. C () Indoor outlet air dry-bulb temperature : D.B. C () Outdoor intake air wet-bulb temperature : W.B. C (4) Total input : W Indoor air wet/dry-bulb temperature difference on the side of the chart on page 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. Attach at least sets of wet-and-dry-bulb thermometers to the indoor air inlet 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.. Attach at least sets of wet-and-dry-bulb thermometers to the outdoor air inlet. Cover the thermometers to prevent direct rays of the sun.. Check that the air filter is cleaned. 4. Open windows and doors of the room.. Press the TEST RUN switch once to start the COOL(HEAT) MODE. 6. When system stabilizes after more than minutes, measure temperature and take an average temperature minutes later, measure temperature again and check that the temperature does not change. INDOOR UNIT OUTDOOR UNIT Wet-and dry-bulb thermometers BACK VIEW SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH

44 SL-AR.TH SL-AR.TH-T SL-.6AR.TH SL-.6AR.TH-T SL-AR.TH SL-AR.TH-T (4) OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor units are under the same temperature/humidity condition. Dry Bulb temperature ( C) Air flow should be set at MAX. Relative humidity (%) The unit of pressure has been changed to MPa based 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) = 0.(kgf/f) SLH-AR.TH SLH-AR.TH / SUH-VR.TH (kgf/f) 8 (MPa) Outdoor low pressure Outdoor unit current (A) V 0V (kgf/f) 7 0. (:) (%) Ambient temperature (:) / Ambient humidity (%) SLH-.6AR.TH SLH-.6AR.TH / SUH-.6VR.TH (MPa) 0.7 (:) (%) Ambient temperature (:) / Ambient humidity (%) 0 Outdoor low pressure Outdoor unit current (A) V 0V 0. (:) (%) Ambient temperature (:) / Ambient humidity (%) (:) (%) Ambient temperature (:) / Ambient humidity (%) 44

45 SLH-AR.TH SLH-AR.TH / SUH-VR.TH SUH-VR.TH (kgf/f) Outdoor low pressure (MPa) Outdoor unit current (A) V 0V SL-AR.TH / SU-VR.TH SL-AR.TH-T / SU-VR.TH-T (kgf/f) 8 0. (:) (%) Ambient temperature (:) / Ambient humidity (%) (MPa) (:) (%) Ambient temperature (:) / Ambient humidity (%) 8 Outdoor low pressure Outdoor unit current (A) v 0v (kgf/f) 7 0. (:) (%) Ambient temperature (:) / Ambient humidity (%) SL-.6AR.TH / SU-.6VR.TH SL-.6AR.TH-T / SU-.6VR.TH-T (MPa) 0.7 (:) (%) Ambient temperature (:) / Ambient humidity (%) 0 Outdoor low pressure Outdoor unit current (A) v 0V Outdoor low pressure (kgf/f) (:) (%) Ambient temperature (:) / Ambient humidity (%) SL-AR.TH / SU-VR.TH SL-AR.TH-T / SU-VR.TH-T (MPa) Outdoor unit current (A) (:) (%) Ambient temperature (:) / Ambient humidity (%) V 0v 0. (:) (%) Ambient temperature (:) / Ambient humidity (%) 4 7 (:) (%) Ambient temperature (:) / Ambient humidity (%)

46 HEAT operation Condition Indoor : Dry bulb temerature.0: Wet bulb temerature 4.: SLH-AR.TH SLH-AR.TH / SUH-VR.TH 8 Outdoor : Dry bulb temerature 7,,: Wet bulb temerature 6,,4.: Outdoor unit current (A) V 0V 0 0 (:) Ambient temperature (:) SLH-.6AR.TH SLH-.6AR.TH / SUH-.6VR.TH 9 Outdoor unit current (A) 8 7 0/0V (:) Ambient temperature (:) SLH-AR.TH SLH-AR.TH / SUH-VR.TH SUH-VR.TH Outdoor unit current (A) 9 0V 0V (:) Ambient temperature (:) 46

47 8 MICROPROCESSOR CONTROL. COOL operation ON/OFF AUTO COOL HEAT DRY TOO WARM FAN VANE TOO COOL SELECT TIME ON/OFF FAN COOL DRY TOO WARM FAN VANE TOO COOL SELECT TIME <How to operate> Press POWER ON / OFF button. Press MODE SELECT button to set operation mode to COOL. Each time the MODE SELECT button is pressed the DISPLAY on the remote controller moves. Press the SET TEMPERATURE button to set the desired temperature. MODE RESET MODE RESET NOTE: The set temperature changes C when the or button is press one time Cooling 9 to C. SLH-AR SLH-.6AR SLH-AR SL-AR SL-.6AR SL-AR <COOL operation time chart> Operation starts by POWER button ON. Room temperature becomes equal to set temperature. Room temperature rises above set temperature. Operation stops by POWER button OFF. ON Thermostat OFF ON LOW or MED. or HIGH LOW or MED. or HIGH Indoor fan OFF Compressor Outdoor fan } ON OFF MIN. minutes W Even if the room temperature rise above the set temperature during this period, the compressor will not start until this period end. () Compressor control -minute time delay To prevent overload, the compressor will not start within minutes after stop. The compressor runs when the room temperature is higher than the set temperature. The compressor stops when the room temperature is equal to or lower than the set temperature. The compressor stops in check mode. () Indoor fan control Indoor fan speed LOW/MED./HIGH depends on the remote controller setting. () Outdoor fan control POWER ON/OFF with the compressor. (4) Coil frost prevention Temperature control When the indoor coil thermistor RT reads - C or below, the coil frost prevention mode starts immediately. However the coil frost prevention will not work for 0 minutes after the compressor starts. During the coil frost prevention compressor stops and the indoor fan operates at the set speed for minutes. After that, if RT still reads or below - C, this mode prolonged until the RT reads over - C. After the coil frost prevention stops, units will not enter this mode again at least 0 minutes even RT reads - C. Time control When the three conditions below have been satisfied for hour and 4 minutes, compressor stops for minutes. a. Compressor has been continuously operating. b. Indoor fan speed is LOW / MED. c. Room temperature is below C. When compressor stops,the accumulated time is cancelled and 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 C. However, when two of the above conditions (b. And c.) are satisfied again time accumulation is resumed. 47

48 () Auto vane control Auto vane position is set to degrees airflow at the start-up of COOL operation. It can then be changed by the remote controller. (a) Stop mode (fixed operation) ( i ) At start-up of COOL operation, the auto vane is set to degrees airflow direction. ( ii ) Discharge direction can be changed with button. 4 Horizontal airflow 4 Downward airflow 70 Downward airflow 4 Swing Downward airflow (b) SWING mode ( i ) The vane motor turns ON when the SWING mode is selected. The vane motor is continuously ON during SWING mode. <VANE POSITION> Fan speed : LOW / MED If you select or or 4 when the fan speed is LOW or MED. the airconditioner will switch automatically to Horizontal airflow mode after one hour. AUTO RETURN Fan speed : HIGH

49 . DRY operation ON/OFF AUTO COOL HEAT DRY TOO WARM FAN VANE TOO COOL SELECT TIME ON/OFF FAN COOL DRY TOO WARM FAN VANE TOO COOL SELECT TIME <How to operate> Press POWER ON / OFF button. Press MODE SELECT button to set operation mode to DRY. Each time the MODE SELECT button is pressed the display on the remote controller moves. MODE MODE NOTE : Temperature can not be in DRY operation. RESET RESET SLH-AR SLH-.6AR SLH-AR SL-AR SL-.6AR SL-AR <DRY operation time chart> In case of the room temperature of : and above. st ON ON Thermostat OFF OFF ON ON ON Indoor fan OFF OFF OFF ON ON ON Outdoor fan compressor OFF 8min. OFF min. OFF 4min. min. () Setting temperature Follow the right chart with according to the initial room temperature. When the room temperature is : or under, dry operation does not work. () ON/OFF control When the room temperature is C or over: Compressor operates by temperature control and time control. Set temperature is controlled to fall C above from initial set temperature. 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. Indoor fan and outdoor fan operate in the same cycle as the compressor. 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. () Coil frost prevention The operation is same as that of coil frost prevention during COOL mode. However the indoor fan speed becomes the set speed or Low. 49

50 (4) Auto vane control Auto vane position is set to degrees airflow at the start-up of DRY operation. It can then be changed by the remote controller. (a) Stop mode (fixed operation) ( i ) At start-up of DRY operation, the auto vane is set to degrees airflow direction. ( ii ) Discharge direction can be changed with button. 4 Horizontal airflow 4 Downward airflow 70 Downward airflow 4 Swing Downward airflow (b) SWING mode ( i ) The vane motor turns ON when the SWING mode is selected.the vane motor is continuously ON during SWING mode. <VANE POSITION> Fan speed : LOW / MED If you select or or 4 when the fan speed is LOW or MED. the airconditioner will switch automatically to Horizontal airflow mode after one hour. AUTO RETURN Fan speed : HIGH

51 . HEAT operation (Only SLH-,.6, AR) ON/OFF AUTO COOL HEAT DRY TOO WARM FAN VANE TOO COOL SELECT TIME <How to operate> Press POWER ON / OFF button. Press MODE SELECT button to set operation mode to HEAT. Each time the MODE SELECT button is pressed the display on the remote controller moves. Press the SET TEMPERATURE button to set the desired temperature. MODE RESET NOTE: The set temperature changes C when the or button is press one time heating 7 to C. SLH-AR SLH-.6AR SLH-AR <HEAT operation time chart> Operation starts by POWER button ON. Room temperature becomes equal to set temperature. Room temperature falls below set temperature. Operation stops by POWER button OFF. Thermostat ON OFF Indoor fan ON OFF VLo or Lo or OFF LOW or MED. or HIGH VLo VLo or Lo or OFF LOW or MED. or HIGH Compressor Outdoor fan } ON OFF W W Minimum minutes W w In case of coil temperature thermistor detect, C or above : Lo notch 6 C ~ C : VLo notch C or below : FAN STOP w Even if the room temperature falls below the set temperature during this period, the compressor will not start until this period has ended. () Compressor control minute time delay To prevent overload, the compressor will not start within minutes after stop. The compressor runs when the room temperature is higher than the set temperature. The compressor stops when the room temperature is equal to or higher than the set temperature. w 4degrees up control During heat operation, lower the room temperature for 4degrees more than thermistor value. The compressor stops in check mode. 4 Follow the item () during defrosting.

52 () Indoor fan control Cold air prevention control The fan runs at set speed when the indoor coil thermistor RT temperature exceeds C. The fan operates at VLo when the temperature is below C. But the fan stops when the indoor fan operates at VLo and the room temperature is C or less. Released Cold Air Prevention NOTE : At initial in hysteresis this control works. C C New warm air control. When compressor starts in heating operation or after defrosting, the fan changes the speed with dependence on the indoor coil thermistor RT temperature to blow out warm air. After releasing of cold air prevention, when the indoor coil temperature is 7 C or above, the fan speed shifts to the set speed, and when the fan speed is changed by the remote controller, the fan speed is the set speed. When the indoor coil temperature is less than 7 C, the fan speed is controlled by time as below. <Time condition> <Indoor fan speed> Less than minutes LOW minutes or more, less than 4 minutes MED. 4 minutes or more HIGH The upper limit of the fan speed is the set speed. If the thermostat turns off, this operation changes to flow soft control. Flow soft control After the thermostat turns off, the indoor fan operates at VLo. NOTE : When the thermostat turns on, the fan operates at the set speed. Due to the cold air prevention control, the fan does not start until the indoor coil thermistor RT reads C or more. 4 Follow the item (6) during defrosting. () Auto vane control Auto vane position is set to 70 degrees airflow at the start-up of HEAT operation. It can then be changed by the remote controller. ( i ) At start-up of HEAT operation, the auto vane is set to 70 degrees airflow direction. ( ii ) Discharge direction can be changed with button. 4 Horizontal airflow 4 Downward airflow 70 Downward airflow 4 Swing Downward airflow In the following cases, airflow direction becomes regardless of the remote controller setting. During the cold air prevention control with fan speed at VLo During defrosting with indoor fan OFF During the thermostat OFF (4) Outdoor fan control POWER ON/OFF with the compressor. However during defrosting, follow the item (). () Reversing valve Heating ON Cooling OFF Dry OFF NOTE: The Reversing valve reverses for seconds right before start-up of the compressor. (COOL / DRY) (HEAT) sec. sec. Compressor Reversing valve ON OFF ON OFF Outdoor fan ON OFF

53 (6) Defrosting Defrosting of outdoor heat exchanger is controlled by dicer P.C. board, with detection by the defrost thermistor RT6. Defrost starting conditions When all conditions of a),b) are satisfied, the defrosting operation starts. a) Under the heat operation, the compressor cumulative operation time exceeds 40 minutes without the defrosting operation working. b) The defrost thermistor RT6 reads - C or less. Defrost terminating conditions When the condition d) or e) is satisfied, the defrosting operation stops. d) The defrost thermistor RT6 reads. C or more. e) The defrosting time exceeds 0 minutes. <Defrosting time chart> Defrost thermistor RT6.: or more -: or less Outdoor C relay (Compressor) ON OFF X6 ON (Reversing valve) OFF sec. sec. sec. sec. SR6 Outdoor fan ON OFF Defrost counter ON OFF Max 0 min. Indoor fan ON OFF w VLo NOTE w When the indoor coil thermistor reads above C, indoor fan operates at VLo for seconds. w When the indoor coil thermistor reads C or less, the indoor fan stops.

54 4. FAN operation (Only SL-,.6, AR) ON/OFF TOO WARM TOO COOL <How to operate> Press POWER ON / OFF button. Press MODE SELECT button to set operation mode to FAN. NOTE : Temperature can not be set in FAN operation. COOL FAN SELECT FAN DRY VANE TIME MODE RESET SL-AR SL-.6AR SL-AR () Indoor fan control The indoor fan speed LOW / MED./ HIGH depends on the remote controller setting.. AUTO MODE operation (Only SLH-,.6, AR) ON/OFF AUTO COOL TOO WARM FAN TOO COOL SELECT <How to operate> Press POWER ON / OFF button. Press MODE SELECT button to set operation mode to AUTO. Press SET TEMPERATURE button to set the desired temperature. NOTE: The set temperature changes C when the or button is press one time AUTO MODE 9 to C. HEAT DRY MODE VANE TIME AUTO works to change by itself the operation mode either to cooling or heating according to the room temperature. RESET SLH-AR SLH-.6AR SLH-AR () lnitial mode When AUTO operation starts after unit OFF. If the room temperature is higher than the set temperature, operation starts in COOL mode. If the room temperature is equal to or lower than the set temperature, operation starts HEAT mode. When AUTO operation starts after COOL or HEAT operation, the previous mode continues. () Mode change HEAT mode changes to COOL mode when minutes have passed since the room temperature became degrees above the set temperature. COOL mode changes to HEAT mode when minutes have passed since the room temperature became degrees below the set temperature. 6. TIMER operation ON/OFF AUTO COOL HEAT DRY MODE TOO WARM FAN VANE h TOO COOL SELECT TIME ON/OFF FAN COOL DRY MODE TOO WARM FAN VANE h TOO COOL SELECT TIME <Timer function> It is convenient to set the timer when you go to bed, when you get home, when you get up, etc. SELECT Select the timer mode by pressing the button during operation Each time this button is pressed, the the timer mode is changed in sequence: (OFF TIMER) (ON TIMER) TIMER RELEASE TIME Set the time of the timer using the button. Each time this button is pressed, the set time increases by hour to hours. RESET RESET To release the timer: SELECT Press the button unit (OFF TIMER) and (ON TIMER) are not displayed. SLH-AR SLH-.6AR SLH-AR SL-AR SL-.6AR SL-AR Note: The OFF TIMER and the ON TIMER cannot be set at the time. 4

55 7. TEST RUN Measure an impedance between the power supply terminal block on the outdoor unit and the ground with a 00 V Megger and check that it is equal to or greater than.0mω. Before performing the test run, recheck for any wrong wiring. Wrong wiring prevents normal operation or results in blown fuse disabling operation. The test run can be started by pressing emergency operation switch (cooling/heating). When the emergency operation switch is once pressed, the unit will start the test run (continuous operation) for minutes. A thermostat does not work during this time. After minutes the unit will start the emergency operation at a fixed temperature setting of C in cooling mode or heating mode. Operation lamp Emergency operation switch(heating) Emergency operation switch(cooling) Procedure Press the button [Emergency operation switch(cooling)] to start the cooling operation. If the [Operation lamp] blinks every 0. seconds, inspect the indoor/outdoor connecting wire for mis-wiring. Check that the vanes operate properly when cool air is blown out. Press it once more, and the operation stops. Press the button [Emergency operation switch(heating)] to start the heating operation. (SLH only) Check that warm air blows out. In starting the heating operation, indoor unit fan may not operate to prevent blowing cool air. Please wait for a few minutes unit the temperature of heat exchanger rises and warm air blows out. 4 Press it once more, and the operation stops. (SLH only) Checking the remote (infrared) signal reception Press the ON/OFF button on the remote controller and check that an electronic sound is heard from the indoor unit. Press the ON/OFF button again to turn the air conditioner off. If the indoor unit is operated with the remote controller, both the test run and the emergency operation are released by commands from the remote controller. Once the compressor stop, the restart preventive device operates so the compressor will not operate for three minutes to protect the air conditioner. 8. SERVICE FUNCTION AUTO RESTART FUNCTION Indoor controller board Remove screws to detach the electric component cover. Cut the JP8 jumper wire of the indoor controller board with a pair of nippers. Indoor controller board JP8 C4 C CND CNC CNP FAN FAN RC00J90B C Note : (Auto restart function) When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are memorized by the indoor controller board. The auto restart function sets to work the moment the power has restored after power failure, then, the unit will restart automatically. If the main power (0-0V AC) has been cut, the operation settings remain. When three minutes have passed after power was restored, the unit will restart automatically settings are memorized when 0 seconds have passed after the remote controller was operated.

56 9 TROUBLESHOOTING. Cautions on troubleshooting () Before troubleshooting, check the followings: Check the power supply voltage. Check the indoor/outdoor connecting wire for mis-wiring. () Take care the followings during servicing. Before servicing the air conditioner, be sure to first turn off the remote controller to stop the main unit, and then turn off the breaker. When removing the electronic control P.C. board, hold the edge of the board with care NOT to apply stress on the components. When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.. Trouble display Blinking frequency of operation lamp shows the details of trouble in case trouble happens while indoor and outdoor units. Operation lamp () Incase of being indicated irregularity on the self diagnoses. Blinking frequency blinking Mis-wiring Phenomenon Cause Wiring between the indoor and outdoor is coming off. Countermeasure Check the wiring out between the indoor and outdoor. Difference of wiring polarity between the indoor and outdoor. Indoor-outdoor signal error Trouble of the outdoor deicer P.C. board. Check the deicer P.C.board out. Trouble of the Indoor controller board. Exchange the Indoor controller board. blinking Indoor coil thermistor Mis-connecting of the Indoor coil thermistor. Reinsert the connector (CN). Trouble of the Indoor coil thermistor. Check the resistance value of the thermistor. Trouble of the Indoor controller board. Exchange the Indoor controller board. Room temperature thermistor Mis-connecting of the room temperature thermistor. Reinsert the connector (CN). Trouble of the room temperature thermistor. Check the resistance value of the thermistor. Trouble of the Indoor controller board. Exchange the Indoor controller board. Drain sensor Mis-connecting of the indoor drain sensor Reinsert the connector (CN). Trouble of the indoor drain sensor Check the resistance value of the thermistor. Trouble of the Indoor controller board. Exchange the Indoor controller board. To be continued on the next page. 6

57 From the preceding page. Blinking frequency blinking blinking Phenomenon Freezing protection is working. Malfunction of outdoor unit (in case of using PUMY series outdoor unit) Cause ) Short cycle of air cycle ) Dirty air filter ) Damaged fan 4) Abnormal refrigerant Malfunction of outdoor unit Countermeasure ) Clear obstructions from air cycle. ) Clean the air filter ) Check the fan 4) Check the refrigerant temperature. Check the display (7-SEG LED) on the PCB of outdoor unit. Refer to the TECHNICAL & SERVICE MANUAL of outdoor unit. 6 blinking Outdoor thermistor Mis-connecting of the outdoor thermistor. Reinsert the connector (CN66). Trouble of the outdoor thermistor. Check the resistance value of the thermistor. Trouble of the Indoor controller board. Exchange the Indoor controller board. 9 blinking Malfunction of drain pump ) Malfunction of drain pump ) Damaged drain sensor ) Check the drain pump. ) Check the drain sensor. (Check the drop of water is on.) If the resistance is normal, replace the indoor controller board. () Other case Phenomenon Cause Countermeasure Not working of remote controller switch ON/OFF A connector attaching the panel to the body is not connected. Short circuit the protecting parts in the Indoor P.C. board. Trouble of the Indoor P.C. board. Connect it. Check the varistor (ZNR) and fuse (FUSE) out in the Indoor controller board. Check the Indoor P.C. board out. Trouble of the remote controller. Exchange the remote controller. Working the Indoor units and not working the outdoor units. Wiring between the indoor and outdoor is coming off. Difference of wiring polarity between the indoor and outdoor. Trouble of the deicer P.C. board. Check the wiring out between the indoor and outdoor. Check the deicer P.C. board out. Trouble of the contactor (C). Exchange the contactor. Not rotating the fan in the indoor unit. Trouble of the compressor (MC) and outdoor fan motor (MF). Fan motor connector is coming off. Trouble of the Indoor controller board. Trouble of the fan motor. Check the compressor and fan motor out. Check the connector out. Check the fan motor output of the Indoor controller board. Check the resistance value between the each tap of fan motor. Horizontal vane doesn't work. A connector attaching the panel to the body is not connected. Fixing of horizontal vane. Connect it. Check if the connector for vane motor is connected. 7

58 Check of indoor controller board and indoor fan motor Operation lamp blinks once in a fixed period. Error was found in the signal transmitted or received between the indoor and outdoor units. No Connection is defective. Is the connecting wire between the indoor and outdoor units connected properly? Yes Yes Remove the devices. Are there any devices emitting noise near the power supply or the connecting wire between the indoor and outdoor units? No Turn off the power supply and turn it on again to operate the unit in cooling or heating mode. No Normal Operation lamp blinks once in a fixed period. Yes Indoor controller board is defective. Operation lamp blinks twice in a fixed period. Check the indoor coil thermistor. Check the room temperature thermistor. Check the drain sensor thermistor. Is the connector CN on the indoor controller board connected? Is the connector CN on the indoor controller board connected? Is the connector CN on the indoor controller board connected? No Yes Measure the resistance of indoor coil thermistor. No Yes Measure the resistance of room temperature thermistor. No Yes Measure the resistance of drain sensor. Connection is defective. Connection is defective. Connection is defective. Yes Indoor coil thermistor is defective. Is the resistance 0 (short circuit) or (open circuit)? No Yes Room temperature thermistor is defective. Is the resistance 0 (short circuit) or (open circuit)? No Yes Drain sensor is defective. Is the resistance 0 (short circuit) or (open circuit)? No Turn off the power supply and turn it on again to operate the unit in cooling mode. No Normal Operation lamp blinks twice in a fixed period. Yes Indoor controller board is defective. To be continued on the next page. 8

59 From the preceding page. The switch of remote controller does not work. No Connection is defective. Is the connecting wire between the indoor unit and the decoration panel connected Yes Yes Replace the varistor. Is the varistor on the indoor controller board burnt? No Yes Replace the fuse. Is the fuse on the indoor controller board melted? No Check the followings. The display on the remote controller does not appear on the screen. The display on the remote controller is dim. The indoor unit does not respond to the remote control signal when the remote controller is not operated near the signal receiving section on the unit. Replace the batteries. No Does the display appear on the screen? Does the indoor unit receive the remote control signal when the remote controller is not operated near the signal receiving section on the unit? Replace the remote controller. Yes Indoor controller board is defective. Indoor fan motor does not rotate. Turn off the power supply and check the connectors FAN and on the indoor controller board visually. No Connection is defective. Are the connectors FAN and connected? Yes Measure the resistance of connectors FAN and on the indoor controller board. No Is the resistance 0 (short circuit) or (open circuit)? Yes Indoor controller board is defective. Indoor fan motor is defective. 9

60 . Test point of indoor controller board Indoor electronic control board Indoor coil thermistor (RT) Room temperature thermistor (RT) Drain sensor (DS) 0 Indoor coil thermistor (RT) Room temperature thermistor (RT) < Thermistor for lower temperature > Power supply input 0-0V AC 40 Fuse 0V AC.A Resistance (K") Temperature (:) 60

61 4. Trouble criterion of main parts SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SL-AR.TH SL-.6AR.TH SL-AR.TH SL-AR.TH-T SL-.6AR.TH-T SL-AR.TH-T Part name Room temperature thermistor (RT) Indoor coil thermistor (RT) Measure the resistance with a tester. (Part temperature 0 C ~ C) Normal 4.kΩ~9.6kΩ Check method and criterion Abnormal Opened or short-circuited Indoor fan motor (MF) BLK BLU YLW BRN RED ORN WHT P Measure the resistance between the terminals with a tester. (Coil wiring temperature 0 C ~ C) WHT-BLK BLK-BLU BLU-YLW YLW-BRN BRN-RED AR 6~ ~9 4~6 7~4 0~ Normal.6AR 9~99 07~ 47~ 44~48 9~ AR ~9 8~9 0~4 4~47 9~ Abnormal Opened or short-circuited Vane motor (MV) White4 Orange Red Blue M Yellow Measure the resistance between the terminals using a tester. (Surrounding temperature :~:) Connector Red Yellow Red Blue Red Orange Red White Normal Abnormal 0" Open or short Drain pump (DP) Yellow Yellow Measure the resistance between the terminals using a tester. (Surrounding temperature :~:) Normal Abnormal 0" Open or short Drain sensor (DS) Measure the resistance between the terminals using a tester. (Surrounding temperature 0:~:) Normal 0.6k"~6.0k" Abnormal Open or short (Refer to the thermistor) 6

62 <Thermistor Characteristic graph> Thermistor for lower temperature Room temperature thermistor(rt) Indoor coil thermistor(rt) 0 < Thermistor for lower temperature > 40 Thermistor R0=k' ± % Fixed number of B=480k' ± % Rt=exp { 480( +t ) } 0: k' 0: 9.6k' : 6.k' :.k' : 4.k' 40:.0k' Resistance (K") Temperature (:) Thermistor for drain sensor 0 < Thermistor for drain sensor > Thermistor R0=6.0k' ±% Fixed number of B=90k' ±% Rt=exp { 90( +t ) } 0: 6.0k' 0:.9k' :.6k' :.k' :.8k' 40:.k' Resistance (K") Temperature (:) 6

63 0 4-WAY AIR FLOW SYSTEM. Fresh air intake (Location for installation) At the time of installation, use the duct holes (cut out) located at the positions shown in following diagram, as and when required. Fresh air intake Detail drawing of fresh air intake [00 -[.8 hole Burring hole [7.4 Cut out hole Ceiling surface Refrigerant pipe Electrical Box Drain pipe. Fresh air intake amount & static pressure characteristics SLH-,.6, AR().TH SL-,.6, AR.TH SL-,.6, AR.TH-T Taking air into the unit Static pressure : P [Pa] 0 Air flow : Q [m /min] NOTE: Fresh air intake amount should be % or less of whole air amount to prevent dew dripping. How to read curves 0 Curve in the left praphs. Q Q Qa Q Duct characteristics at site B A A E C A D C Q Planned amount of fresh air intake A <m /min> Static pressure loss of fresh air intake duct system with air flow amount Q B <Pa> Forced static pressure at air conditioner inlet with air flow amount Q <Pa> C Static pressure of booster fan with air flow amount Q <Pa> D Static pressure loss increase amount of fresh air intake dust system for air flow amount Q <Pa> E Static pressure of indoor unit with air flow amount Q <Pa> Qa Estimated amount of fresh air intake with out D <m /min>. Interlocking operation method with duct fan (Booster fan) Whenever the indoor unit is operating, the duct fun operates. ()Connect the optional multiple remote controller adapter(pac-sa88ha-e)to the connector CN on the indoor controller board. ()Drive the relay after connecting the V DC relay between the Yellow and Orange connector lines. Use a relay under W. MB: Electromagnetic switch power relay for duct fan. X: Auxiliary relay (V DC LY-F) CN on indoor unit board CN Multiple remote controller adapter PAC-SA88HA-E Package side Multiplr remote controller adapter PAC-SA88HA-E Indoor controller board Be sure to secure insulation material by tape and such Green Yellow Orange MB Connector (P) Red Brown RC00J90B CN C4 C C CND CNC CNP FAN FAN ~ Installation at site Be sure to secure insulation material by tape and such Distance between indoor controller board and relay must be within 0m. 6

64 4. Fixing of horizontal vane Horizontal vane of each air outlet can be fixed according to the environment, which is installed. Setting procedure ) Turn off a main power supply (Turn off a breaker). ) Disconnect the vane motor connector of the direction of the arrow with pressing the unlocking button as shown in figure below. Electricity insulate the disconnected connector with the vinyl tape. Vane motor Vane motor Connector Unlocking button Horizontal vane ) Set a vertical vane of the air outlet, which tries to fixed by the hand slowly within the range in the table below. Measured standard position of the grille Horizontal vane <Set range> Standard of horizontal position Level (Min.) Downward 4 Downward Downward 70 (Max.) Dimension A (mm) w Dimension between mm and mm can be arbitrarily set. Caution Do not set the dimension out of the range.. It could cause dew drips and attain on ceiling, etc. and the unit may be damaged. 64

65 DISASSEMBLY PROCEDURE SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SLH-AR.TH SLH-.6AR.TH SLH-AR.TH SL-AR.TH SL-.6AR.TH SL-AR.TH SL-AR.TH-T SL-.6AR.TH-T SL-AR.TH-T OPERATING PROCEDURE Be careful on removing heavy parts. PHOTOS&ILLUSTRATIONS. Removing the air intake grille () Slide the knob of air intake grille to the direction of the arrow to open the air intake grille. () Remove the string hook from the panel to pretend the grille from dropping. () Slide the shaft in the hinge to the direction of the arrow and remove the air intake grille. Figure Air intake grille Air intake grille knob Grille. Removing the fan guard () Open the air intake grille. () Remove the screws of fan guard. Photo Fan guard Screws Air intake grille. Removing the panel () Remove the air intake grille.(see figure ) Corner panel (See figure ) () Remove the screw of the corner. () Slide the corner panel to the direction of the arrow, and remove the corner panel. Panel (See photo ) () Disconnect the connector that connects with the unit. () Remove the screws from the panel and loose another screws, which fixed to the oval hole, have different diameter. () Rotate the panel a little to remove the screws.(slide the panel so that the screw comes to a large diameter of the oval hole, which has two different diameters.) Figure Corner panel Photo Connectors Screws Screw Corner panel Panel Screws Panel 4. Removing the electrical parts () Remove the screws and the control box cover. <Electrical parts in the control box> Indoor controller board Compressor contactor Fuse Varistor Terminal block Photo Indoor controller board Varistor Indoor controller box Panel Fuse Compressor contactor Terminal blocks 6

66 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS. Remove the room temperature thermistor () Remove the panel. (See photo ) () Pull out the room temperature thermistor from the drain pan. () Remove the screws fixed to the control box cover, and remove the control box cover. (4) Remove the connector (CN) from the indoor controller board, and disconnect the room temperature thermistor. Photo 4 Screw Control box Connectors Drain plug Room temperature thermistor Screw Drain pan 6. Remove the drain pan () Remove the panel.(see photo ) () Remove the room temperature thermistor and the lead wires held with fastener; wireless controller board relay connector (9P red) and panel relay connector (0P white). () Remove the 4 screws fixed to the drain pan, and remove the drain pan. (4) Remove the fan guard. (See photo ) Screw Fan guard Screw 7. Removing the indoor coil thermistor () Remove the panel.(see photo ) () Remove the drain pan.(see photo 4) () Disconnect the indoor coil thermistor from the holder. (4) Remove the screws fixed to the piping cover, and remove the piping cover. (See photo 9) () Remove the screws fixed to the control box cover, and remove the control box cover. (6) Remove the connector (CN) from the indoor controller board, and disconnect the indoor coil thermistor. Photo Control box Indoor coil thermistor 8. Remove the fan motor () Remove the panel.(see photo ) () Remove the drain pan.(see photo 4) () Remove the nut and the washer from the turbo fan, and remove the turbo fan. (4) Remove the screws fixed to the control box cover, and remove the control box cover. () Disconnect the connectors of the (fan ) and the (fan ) from the indoor controller board. (6) Remove the screws fixed to the piping cover, and remove the piping cover. (See photo 9) (7) Remove the 6 screws fixed to the flat plate, and remove the flat plate. (8) Disconnect the lead wires to the direction of the fan motor, and remove the nuts of the fan motor. Photo 6 Screws Lead wires Screw Flat plate Nut Screw Nut Fan motor Nut Screws 66

67 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 9. Removing the drain pump and drain sensor () Remove the panel. (See photo ) () Remove the drain pan.(see photo 4) () Remove the screws fixed to the control box cover, and remove the control box cover. (4) Remove the connectors of the (CNP) and the (CN) from the indoor controller board. () Remove the screw fixed to the cover, and remove the cover. (6) Disconnect the lead wires to the direction of the drain pump.(see photo 7) (7) Remove the screws of the drain pump. (8) Cut the drain hose band, pull out the drain hose from the drain pump. (9) Pull out the drain pump. (0) Remove the drain sensor and the holder. Photo 7 Control box Photo 8 Drain hose Screw Cover Lead wires Drain sensor Drain pump Screws Screw Fixing band Control box 0. Removing the heat exchanger () Remove the panel.(see photo ) () Remove the drain pan.(see photo 4) () Remove the nut and the washer from the turbo fan, and remove the turbo fan. (4) Remove the screws fixed to the control box cover, and remove the control box cover. () Disconnect the connectors of the (fan ) and the (fan ) from the indoor controller board. (6) Remove the screws fixed to the piping cover, and remove the piping cover. (See photo 9) (7) Remove the drain indoor coil thermistor.(see photo ) (8) Disconnect the lead wires to the direction of the fan motor. (9) Remove the coil support screw, the inside coil screws (See photo 0), and the 4 outside coil screws (See photo 9) from the heat exchanger, and remove the heat exchanger. Photo 9 Coil screws Piping cover Screws of piping cover Lead wires Coil screws Control box Photo 0 Coil screws Coil support Coil support Screw Heat exchanger 67