TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CDITIERS TECHNICAL & SERVICE MANUAL RA December 22 No. OCH REVISED EDITI-C Indoor unit [Model names] PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E [Service Ref.] PKFY-PVBM-E PKFY-PVBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER Revision: PKFY-P/2/2VBM-ER have been added in REVISED EDITI-C. Some descriptions have been modified. Please void OCH REVISED EDITI-B. Note: This manual describes only service data of the indoor units. RoHS compliant products have <G> mark on the spec name plate. CTENTS INDOOR UNIT Model name indication. TECHNICAL CHANGES... 2 2. SAFETY PRECAUTI.... PART NAMES AND FUNCTIS.... SPECIFICATI.... OUTLINES AND DIMENSIS.... WIRING DIAGRAM... 7. REFRIGERANT SYSTEM DIAGRAM... 9. TROUBLESHOOTING...9 9. DISASSEMBLY PROCEDURE... 2 PARTS CATALOG (OCB)

TECHNICAL CHANGES PKFY-PVBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER INDOOR CTROLLER BOARD (I.B.) has been changed. (S/W version up) PKFY-PVBM-E PKFY-PVBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-ER2 HEAT EXCHANGER and WATER CUT have been changed. PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER INDOOR CTROLLER BOARD (I.B.) has been changed. 2

2 SAFETY PRECAUTI Cautions for units utilizing refrigerant RA Do not use the existing refrigerant piping. The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit. Use low residual oil piping If there is a large amount of residual oil (hydraulic oil, etc.) inside the piping and joints, deterioration of the lubricant will result. Store the piping indoors, and both ends of the piping sealed until just before brazing. (Leave elbow joints, etc. in their packaging.) If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of compressor. The refrigerant oil applied to flare and flange connections must be ester oil, ether oil or alkylbenzene oil in a small amount. If large amount of mineral oil enters, that can cause deterioration of refrigerant oil etc. Charge refrigerant from liquid phase of gas cylinder. If the refrigerant is charged from gas phase, composition change may occur in refrigerant and the efficiency will be lowered. Do not use refrigerant other than RA. If other refrigerant (R22 etc.) is used, chlorine in refrigerant can cause deterioration of refrigerant oil etc. Use a vacuum pump with a reverse flow check valve. Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc. Use the following tools specifically designed for use with RA refrigerant. The following tools are necessary to use RA refrigerant. Tools for RA Gauge manifold Flare tool Charge hose Size adjustment gauge Gas leak detector Torque wrench Handle tools with care. If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of compressor. Do not use a charging cylinder. Vacuum pump adaptor Electronic refrigerant charging scale If a charging cylinder is used, the composition of refrigerant will change and the efficiency will be lowered. Use the specified refrigerant only. Never use any refrigerant other than that specified. Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of. Correct refrigerant is specified in the manuals and on the spec labels provided with our products. We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by failure to follow the instructions. Ventilate the room if refrigerant leaks during operation. If refrigerant comes into contact with a flame, poisonous gases will be released.

[] Cautions for service () Perform service after collecting the refrigerant left in the unit completely. (2) Do not release refrigerant in the air. () After completing service, charge the cycle with specified amount of refrigerant. () When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant. [2] Additional refrigerant charge When charging directly from cylinder Check that cylinder for RA on the market is syphon type. Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.) Unit Gravimeter [] Service tools Use the below service tools as exclusive tools for RA refrigerant. No. Tool name Specifications Gauge manifold Only for RA Use the existing fitting specifications. (UNF/2) Use high-tension side pressure of. MPa G or over. 2 Charge hose Only for RA Use pressure performance of.9 MPa G or over. Electronic scale Gas leak detector Use the detector for Ra, R7C or RA. Adaptor for reverse flow check Attach on vacuum pump. Refrigerant charge base 7 Refrigerant cylinder Only for RA Top of cylinder (Pink) Cylinder with syphon Refrigerant recovery equipment

PART NAMES AND FUNCTIS -. Indoor unit Air intake Filter Grille Louver Vane Air outlet

-2. WIRED REMOTE CTROLLER <PAR-MAA/PAR-MAA> Wired remote controller function * The functions which can be used are restricted according to the model. : Supported : Unsupported Function PAR-MAA/PAR-MAA Slim City multi PAR-2MAA Body Product size H W D (mm) 2 2 9 2 9 LCD Full Dot LCD Partial Dot LCD Backlight Energy-saving Energy-saving operation schedule Automatic return to the preset temperature Restriction Setting the temperature range restriction Function Operation lock function Weekly timer On / Off timer High Power Manual vane angle The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen. When the system is centrally controlled, the button function guide that corresponds to the locked button will not appear. <Main display> Cool Room Set temp. Mode Temp. Fan Fri Auto <Main menu> Main Main menu Vane Louver Vent. (Lossnay) High power Timer Weekly timer OU silent mode Main display: Cursor Page Function buttons F F2 F F / button Press to turn / the indoor unit. SELECT button Press to save the setting. RETURN button Press to return to the previous screen. MENU button Press to bring up the Main menu. Backlit LCD Operation settings will appear. When the backlight is off, pressing any button turns the backlight on and it will stay lit for a certain period of time depending on the screen. When the backlight is off, pressing any button turns the backlight on and does not perform its function. (except for the ( / ) button) Function guide / lamp This lamp lights up in green while the unit is in operation. It blinks while the remote controller is starting up or when there is an error. Function button F Main display : Press to change the operation mode. Main menu : Press to move the cursor down. Function button F2 Main display : Press to decrease temperature. Main menu : Press to move the cursor up. Function button F Main display : Press to increase temperature. Main menu : Press to go to the previous page. Function button F Main display : Press to change the fan speed. Main menu : Press to go to the next page.

The main display can be displayed in two different modes: "Full" and "Basic". The factory setting is "Full". To switch to the "Basic" mode, change the setting on the Main display setting. <Full mode> * All icons are displayed for explanation. <Basic mode> Fri Fri Cool Room Set temp. Auto Cool Set temp. Auto Mode Temp. Fan Mode Temp. Fan Operation mode Indoor unit operation mode appears here. Preset temperature Preset temperature appears here. Clock (See the Installation Manual.) Current time appears here. Fan speed Fan speed setting appears here. Button function guide Functions of the corresponding buttons appear here. Appears when the buttons are locked. Appears when the On/Off timer or Night setback function is enabled. Appears when the Weekly timer is enabled. Appears while the units are operated in the energy-save mode. Appears when the / operation is centrally controlled. Appears when the operation mode is centrally controlled. Appears when the built-in thermistor on the remote controller is activated to monitor the room temperature. appears when the thermistor on the indoor unit is activated to monitor the room temperature. Appears when the preset temperature is centrally controlled. Indicates the vane setting. Appears when the f lter reset function is centrally controlled. Indicates when f lter needs maintenance. Room temperature (See the Installation Manual.) Current room temperature appears here. Indicates the louver setting. Indicates the ventilation setting. Appears when the preset temperature range is restricted. Most settings (except /, mode, fan speed, temperature) can be made from the Menu screen. 7

Menu structure Main menu Press the MENU button. Move the cursor to the desired item with the F and F2 buttons, and press the SELECT button. Vane Louver Vent. (Lossnay) High power Timer On / Off timer Auto-Off timer Filter information Error information Weekly timer Energy saving Auto return Schedule Night setback Restriction Temp. range Operation lock Maintenance Auto descending panel Manual vane angle Initial setting Main / Sub Clock Main display Contrast Display details Auto mode Administrator password Language selection Service Service menu Test run Drain pump test run Input maintenance info. Function setting Lossnay (City Multi only) Check Self check Maintenance password Remote controller check Not all functions are available on all models of indoor units.

Main menu list Setting and display items Vane Louver Vent. (Lossnay) High power Setting details Use to set the vane angle. Select a desired vane setting from f ve different settings. Use to turn / the louver. Select a desired setting from "" and "." Use to set the amount of ventilation. Select a desired setting from "Off," "Low," and "High." Use to reach the comfortable room temperature quickly. Units can be operated in the High-power mode for up to minutes. Timer On/Off timer Use to set the operation On/Off times. Time can be set in -minute increments. * Clock setting is required. Auto-Off timer Filter information Error information Weekly timer Energy saving Night setback Auto return Schedule Use to set the Auto-Off time. Time can be set to a value from to 2 in -minute increments. Use to check the f lter status. The f lter sign can be reset. Use to check error information when an error occurs. Error code, error source, refrigerant address, unit model, manufacturing number, contact information (dealer's phone number) can be displayed. * The unit model, manufacturing number, and contact information need to be registered in advance to be displayed. Use to set the weekly operation On / Off times. Up to eight operation patterns can be set for each day. * Clock setting is required. * Not valid when the On/Off timer is enabled. Use to get the units to operate at the preset temperature after performing energy-save operation for a specif ed time period. Time can be set to a value from and 2 in -minute increments. * This function will not be valid when the preset temperature ranges are restricted. Set the start/stop times to operate the units in the energy-save mode for each day of the week, and set the energy-saving rate. Up to four energy-save operation patterns can be set for each day. Time can be set in -minute increments. Energy-saving rate can be set to a value from % or to 9% in % increments. * Clock setting is required. Use to make Night setback settings. Select "Yes" to enable the setting, and "No" to disable the setting. The temperature range and the start/stop times can be set. * Clock setting is required. Restriction Temp. range Use to restrict the preset temperature range. Different temperature ranges can be set for different operation modes. Maintenance Operation lock Auto descending panel Manual vane angle Use to lock selected functions. The locked functions cannot be operated. Auto descending panel (Optional parts) Up / Down you can do. Use to set the vane angle for each vane to a f xed position. Initial setting Main/Sub When connecting two remote controllers, one of them needs to be designated as a sub controller. Clock Use to set the current time. Main display Use to switch between "Full" and "Basic" modes for the Main display. The default setting is "Full." Contrast Use to adjust screen contrast. 9

Setting and display items Initial setting Display details Auto mode Administrator password Language selection Setting details Make the settings for the remote controller related items as necessary. Clock: The factory settings are "Yes" and "2h" format. Temperature: Set either Celsius ( C) or Fahrenheit ( F). Room temp. : Set Show or Hide. Auto mode: Set the Auto mode display or Only Auto display. Whether or not to use the AUTO mode can be selected by using the button. This setting is valid only when indoor units with the AUTO mode function are connected. The administrator password is required to make the settings for the following items. Timer setting Energy-save setting Weekly timer setting Restriction setting Outdoor unit silent mode setting Night set back Use to select the desired language. Service Test run Select "Test run" from the Service menu to bring up the Test run menu. Test run Drain pump test run Input maintenance Select "Input maintenance Info." from the Service menu to bring up the Maintenance information screen. The following settings can be made from the Maintenance Information screen. Model name input Serial No. input Dealer information input Function setting Make the settings for the indoor unit functions via the remote controller as necessary. LOSSNAY setting (City Multi only) Check Self check Maintenance password Remote controller check This setting is required only when the operation of City Multi units is interlocked with LOSSNAY units. Error history: Display the error history and execute delete error history. Refrigerant leak check: Refrigerant leaks can be judged. Smooth maintenance: The indoor and outdoor maintenance data can be displayed. Request cord: Details of the operation data including each thermistor temperature and error history can be checked. Error history of each unit can be checked via the remote controller. Take the following steps to change the maintenance password. When the remote controller does not work properly, use the remote controller checking function to troublushoot the problem.

-. WIRED REMOTE CTROLLER <PAR-2MAA> Display Section For purposes of this explanation, all parts of the display are shown. During actual operation, only the relevant items will be lit. Identifies the current operation Shows the operating mode, etc. *Multilanguage display is available. Day-of-Week Shows the current day of the week. Time/Timer Display Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, the time to be switched off is shown. Sensor indication Displays when the remote controller sensor is used. Locked indicator Indicates that remote controller buttons have been locked. Clean The Filter indicator To be displayed on when it is time to clean the filter. Centrally Controlled indicator Indicates that operation from the remote controller has been prohibited by a master controller. Timer is Off indicator Indicates that the timer is off. Temperature Setting Shows the target temperature. F C TIME SUN M TUE WED THU FRI SAT TIMER Hr AFTER AFTER ERROR CODE F C LYHr. Up/Down Air Direction indicator The indicator shows the direction of the outcoming airflow. One Hour Only indicator Displays if the airflow is set to Low or downward during COOL or DRY mode. (Operation varies according to model.) The indicator goes off in one hour, at which time the airflow direction also changes. FUNCTI FILTER WEEKLY SIMPLE AUTO Room Temperature display Shows the room temperature. The room temperature display range is - 9. The display blinks if the temperature is less than or 9 or more. Louver display Indicates the action of the swing louver. Does not appear if the louver is not running. (Power On indicator) Indicates that the power is on. Timer indicators The indicator comes on if the corresponding timer is set. Fan Speed indicator Shows the selected fan speed. Ventilation indicator Appears when the unit is running in Ventilation mode. Operation Section Temperature setting buttons Down Up Timer Menu button (Monitor/Set button) Mode button (Return button) / button Fan Speed button Filter button (<Enter> button) TEMP. / Test Run button Set Time buttons Check button (Clear button) Back MENU / FILTER Ahead Timer On/Off button (Set Day button) BACK PAR-2MAA MITOR/SET DAY CLOCK OPERATI CHECK TEST CLEAR Airflow Up/Down button Louver button ( Operation button) Opening the cover To return operation number Built-in temperature sensor Ventilation button ( Operation button) To go to next operation number Note: PLEASE WAIT message This message is displayed for approximately minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure. NOT AVAILABLE message This message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have). If a single remote controller is used to operate multiple indoor units simultaneously that are different types, this message will not be displayed as far as any of the indoor units is equipped with the function.

-. Wireless remote controller CHECK TEST RUN display CHECK and TEST RUN display indicate that the unit is being checked or test-run. MODEL SELECT display Blinks when model is selected. display Lights up while the signal is transmitted to the indoor unit when the button is pressed. display SET TEMP. display indicates the set desired temperature. display OPERATI MODE display Operation mode display indicates which operation mode is in effect. display The vertical direction of air flow is indicated. display FAN SPEED display indicates which fan speed has been selected. / button The unit is turned and alternately each time the button is pressed. FAN SPEED SELECT button Used to change the fan speed. MODE SELECT button Used to switch the operation mode between cooling, drying, fan, heating and auto mode. * If the outdoor unit is cool only type, the heating and auto mode are not available. CHECK-TEST RUN buttons Only press this button to perform an inspection check or test operation. Do not use it for normal operation. VANE CTROL button Used to change the air flow direction. / TEMP MODE CHECK CHECK TEST RUN MODEL SELECT C AMPM AMPM NOT AVAILABLE FAN AUTO STOP VANE AUTO START LOUVER h TEST RUN min SET RESET CLOCK CLOCK display Displays the current time. TIMER display Displays when in timer operation or when setting timer. display Displays the order of timer operation. display Displays whether timer is on or off. buttons SET TEMPERATURE button sets any desired room temperature. TIMER CTROL buttons AUTO STOP ( timer): when this switch is set, the air conditioner will be automatically stopped at the preset time. AUTO START ( timer): when this switch is set, the air conditioner will be automatically started at the preset time. h and min buttons Buttons used to set the hour and minute of the current time and timer settings. LOUVER button Changes left/right airflow direction. (Not available for this model.) CLOCK button RESET button SET button 2

SPECIFICATI -. SPECIFICATIS Service ref. PKFY-PVBM-E PKFY-PVBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER Power source Cooling capacity (Nominal) Heating capacity (Nominal ) External finish External dimension H x W x D Net weight Heat exchanger Fan Noise level (Low-Mid2-Mid-High) (measured in anechoic room) Insulation material Air filter Protection device Refrigerant control device Connectable outdoor unit Diameter of refrigerant pipe Power input Current input Power input Current input Type x Quantity External static press. Motor type Motor output Driving mechanism Airflow rate (Low-Mid2-Mid-High) Liquid Gas Field drain pipe size Standard Document attachment Accessory Remark Optional parts * * * *2 * * * (RA) (RA) External LEV Box kw kcal/h Btu/h kcal/h kw A kw kcal/h Btu/h kw A mm in. kg (lb) Pa mmh2o kw m /min L/s cfm db <A> mm (in.) mm (in.) mm (in.).7,,,..2.9,,..2 29 22 -/" 2-/" -7/" (2) Line flow fan.7.9 -. -.2 -. 2 - - 7-7 - 77 - - 7 29 - - 2 - ø. (ø/") ø2.7 (ø/2") I.D. mm (/") PAC-SG9LE-E Flare Flare -phase 22-2V Hz, -phase 22V Hz 2.2,9 7, 2,..2 2. 2,2,..2 Plastic, MUNSELL (.Y 9.2/.2) 29 22 -/" 2-/" -7/" (2) Cross fin (Aluminum fin and copper tube) Line flow fan -phase induction motor.7 Direct-driven by motor.9 -.2 -. -.9 2-7 - 9-9 7 - - 9-2 29 - - - Polyethylene sheet PP honeycomb Fuse LEV RA CITY MULTI ø. (ø/") ø2.7 (ø/2") I.D. mm (/") Installation Manual, Instruction Book PAC-SG9LE-E Flare Flare 2. 2, 9, 2,..2.2 2,,9..2 29 22 -/" 2-/" -7/" (2) Line flow fan.7.9 -.2 -. -.9 2-7 - 9-9 7 - - 9-2 29 - - - ø. (ø/") ø2.7 (ø/2") I.D. mm (/") PAC-SG9LE-E Flare Flare Note : Indoor : Outdoor : Pipe length : Level difference : Installation * Nominal cooling conditions 27 CDB/9 CWB ( FDB/ FWB) CDB (9 FDB) 7. m (2-9/ ft) m ( ft) * Nominal conditions *, * are subject to JIS B-. * Due to continuing improvement, above specification may be subject to change without notice. Details on foundation work, duct work, insulation work, electrical wiring, power source switch, and other items shall be referred to the Installation Manual. *2 Nominal cooling conditions 27 CDB/9. CWB ( FDB/7 FWB) CDB (9 FDB) m (-/ ft) m ( ft) * Nominal heating conditions Unit converter kcal/h = kw Btu/h = kw,2 2 CDB ( FDB) 7 CDB/ CWB ( FDB/ FWB) 7. m (2-9/ ft) m ( ft) cfm = m /min. lb = kg/. *Above specification data is subject to rounding variation.

-2. ELECTRICAL PARTS SPECIFICATIS Parts name Service ref. Room temperature thermistor Liquid pipe thermistor Symbol TH2 TH22 PKFY-PVBM-E PKFY-PVBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER2 PKFY-P2VBM-ER Resistance /k, /9.k, 2 /.k, 2 /.k, /.k, /.k Resistance /k, /9.k, 2 /.k, 2 /.k, /.k, /.k Gas pipe thermistor Fuse (Indoor controller board) Fan motor (with thermal fuse) Fan motor capacitor Vane motor (with limit switch) Linear expansion valve Power supply terminal block Transmission terminal block TH2 FUSE MF C MV LEV TB2 TB Resistance /k, /9.k, 2 /.k, 2 /.k, /.k, /.k 2V.A -Pole Output 7W / PSV7-KB. V MSFBC2 DC2V DC2V Stepping motor drive Port.2 (~2pulse) (L, N, ) 2V 2A (M, M2) 2V A

Knockout hole of remote controller wiring Knockout hole of right piping Knockout hole for remocon wiring Operation lamp 22 Air intake.7 (Direction) -. hole -. hole Installation plate Power supply Transmission Terminal block Address board Air intake (Direction) Address board Connection No. Detailed Address setting digit Terminal block Detailed Power supply (22-2V) The second side Transmission (DC 2-V) Mode selection The first side M M2 MA-remote controller cable (DC.7-V) There is not MA-remote controller terminal block. Connection with MA-remote controller refers to Note. L N OUTLINES AND DIMENSIS PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER Detail of installation plate Installation plate balance point hole 7. 29 2 22 9 2 9 9 2 -. 7 hole -. hole 27. 2 29 2 2 7 7 7-. hole 2-2. hole - 9 hole Piping hole Knock of hole mm or more for left and left back piping. Installation space Min mm Min mm Min 22mm Min 2mm Max 9mm Note. Use M or W/ screw for installation plate. Note.2 Extension piping side. Note. In case of connecting MA-remote controller, please connect MA-remote controller cable (accessory) to the connector. /F(.mm) Liquid pipe R 2 R R R Detailed figure dwg(a B C) (Knockout hole) 2. Knockout hole for left piping Knockout hole for under piping 2. 9. Installation plate Emergency operation switch <Cooling> Receiver /2F( 2.7mm) Emergency operation switch <Heating> R R R 2. Air outlet 7. Air outlet (Direction) Gas pipe Refrigerant piping mm(i.d) Drain pipe Air intake 7 Air intake Air intake 9 Air outlet Gas pipe 2 Liquid pipe 29. 7 9 22. 97. 72. Air outlet 7. Address board 7. 22. 9 2. 2 DEFROST/STAND BY lamp 7 2 7. 2 29 2 22 2 2 7 7 2 Unit: mm Drain hose (Effective length: ) * Address board is protected by a plastic cover. Remove the screw holding the cover with screw-driver at the time of address setting.

WIRING DIAGRAM PKFY-P2VBM-E Legend Symbol I.B CN2 Connector CN CN2 SW2 Switch SW P.B ZNR Varistor LED on indoor board for service Mark Meaning LED LED2 Name Indoor controller board Indoor power board Main power supply Power supply for MA-Remote controller Remote switch Centrally control Remote indication Capacity code Mode selection FUSE Fuse (.A 2V) F.C Fan phase control C Capacitor (fan motor) MF Fan motor W.B SW A.B SW 22V 2V SW 279 SW2 ths DIGIT SW2 BZ RU LED LED2 SW s DIGIT CNB 9 M LEV ADDRESS CN ADDRESS CN2 SW BRANDH No. BRN RED BLU ORN YLW WHT CN Function Main power supply (indoor unit:22-2v) power on lamp is lit Power supply for MA-Remote controller on lamp is lit The black square ( ) indicates a switch position. <*> MODELS SW2 MODELS SW2 PKFY-P2VBM-E Symbol Name Symbol Name MV Vane motor SW Switch Voltage selection LEV Linear expansion valve SW Address setting s digit TB2 Terminal Power supply SW2 Address setting ths digit TB block Transmission SW Connection No. TH2 Thermistor Room temp.detection W.B Wireless remote controller board ( /k,2 /.k ) RU Receving unit TH22 Pipe temp.detection/liquid BZ Buzzer ( /k,2 /.k ) LED LED (Operation indicator: Green) TH2 Pipe temp.detection/gas LED2 LED (Preparation for heating: Orange) ( /k,2 /.k ) SW Emergency operation (Heat) A.B Address board SW2 Emergency operation (Cool) SW Switch Mode selection 9 RED WHT(PNK) BLU ORN YLW CN CNV CN9 9 2 2 LEV VANE WIRELESS CN29 CN2 (WHT) (BLU) (WHT) GAS LIQUID (BLK) (WHT) See fig :* I.B P.B Note. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit. 2. In case of connecting MA-remote controller, please connect MA-remote controller cable in an accessory to the connector. (Remote controller wire is non-polar.) 2. In case of using M-NET, please connect to TB (Transmission line is non-polar.). Symbols used in wiring diagram above are, : terminal block, : connector. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to the fig :*.. Please set the switch SW according to the power supply voltage. Set SW to 2V side when the power supply is 2 and 2 volts. When the power supply is 22 volts, set SW to 22V side. MV CN2 CN2 CN ADDRESS ADDRESS SW2 CN2 CN SW 279 2 M CNM (BLU) TH2 ORN ORN TH22 t t t 2 CNA MA- CN2 INTAKE REMOC (BLU) CNM TH2 LED2 TO MA-REMOTE CTROLLER DC.7-V 2 M ~ MF CNP (BLU) CNP LED TO OUTDOOR UNIT BC CTROLLER M-NET REMOTE CTROLLER DC2-V M M2 TB BLU BLU WHT RED BLK BLU RED FAN (GRN) 2 CN2M M-NET (BLU) CND F.C C ZNR U FUSE 2V.A GRN /YLW TB2 L N BREAKER (A) TO NEXT INDOOR UNIT PULL BOX FUSE (A) POWER SUPPLY ~/N 22-2V Hz ~/N 22V Hz P2 2 P2 2

PKFY-PVBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 Legend Symbol I.B CN2 Connector CN CN2 SW2 Switch SW P.B ZNR Varistor Name Indoor controller board Indoor power board Remote switch Centrally control Remote indication Capacity code Mode selection FUSE Fuse (T.AL 2V) F.C Fan phase control C Capacitor (Fan motor) MF Fan motor Symbol Name Symbol Name MV Vane motor SW Switch Voltage selection LEV Linear expansion valve SW Address setting s digit TB2 Terminal Power supply SW2 Address setting ths digit TB block Transmission SW Connection No. TH2 Thermistor Room temp.detection W.B Wireless remote controller board ( /k,2 /.k ) RU Receving unit TH22 Pipe temp.detection/liquid BZ Buzzer ( /k,2 /.k ) LED LED (Operation indicator: Green) TH2 Pipe temp.detection/gas LED2 LED (Preparation for heating: Orange) ( /k,2 /.k ) SW Emergency operation (Heat) A.B Address board SW2 Emergency operation (Cool) SW Switch Mode selection W.B SW A.B SW 22V 2V SW 279 SW2 SW ths DIGIT See fig :* I.B P.B Note. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit. 2. In case of using MA-remote controller, please connect MA-remote controller cable in an accessory to the connector. (Remote controller wire is non-polar.) 2. In case of using M-NET, please connect to TB (Transmission line is non-polar.). Symbols used in wiring diagram above are, : terminal block, : connector. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to the fig :*.. Please set the switch SW according to the power supply voltage. Set SW to 2V side when the power supply is 2 and 2 volts. When the power supply is 22 volts, set SW to 22V side. LED on indoor board for service Mark Meaning LED LED2 SW2 BZ RU LED LED2 s DIGIT CNB 9 ADDRESS CN ADDRESS CN2 SW BRANCH No. Main power supply Power supply for MA-Remote controller LEV M WHT YLW ORN BLU RED BRN CN 9 CN CNV CN9 9 2 2 LEV VANE WIRELESS CN29 CN2 (WHT) (BLU) (WHT) GAS LIQUID (BLK) (WHT) CN2 SW SW2 279 2 CN2 CN ADDRESS ADDRESS Function RED WHT BLU ORN YLW CN2 CN CNM (BLU) TH2 Main power supply (indoor unit:22-2v) power on lamp is lit Power supply for MA-Remote controller on lamp is lit M MV ORN ORN TH22 t t t 2 CNA MA- CN2 INTAKE REMOC (BLU) CNM TH2 LED2 TO MA-REMOTE CTROLLER DC.7-V M ~ MF 2 CNP (BLU) CNP LED TO OUTDOOR UNIT BC CTROLLER M-NET REMOTE CTROLLER DC2-V M M2 TB BLU BLU WHT RED BLK BLU RED FAN (GRN) 2 CN2M M-NET (BLU) CND F.C C ZNR U FUSE 2V.A GRN /YLW TB2 L N BREAKER (A) TO NEXT INDOOR UNIT PULL BOX FUSE (A) POWER SUPPLY ~/N 22-2V Hz ~/N 22V Hz The black square ( ) indicates a switch position. MODELS SW2 MODELS SW2 MODELS SW2 <*> P 2 P2 2 P2 2 7

7 2 7 2 F2 7 9A BC DE PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER Legend Symbol I.B CN2 CN CN2 CN SW2 SW P.B Name Indoor controller board Connector Switch Remote switch Centrally control Remote indication IT Terminal Capacity code Mode selection Indoor power board FUSE Fuse (T.AL 2V) F.C Fan phase control C Capacitor (Fan motor) MF Fan motor W.B SW2 BZ RU LED LED2 A.B SW 22V 2V SW 279 SW2 9 ths DIGIT SW SW 9 s DIGIT CNB 9 ADDRESS CN ADDRESS CN2 SW BRANCH No. See fig :* M WHT YLW ORN BLU RED BRN CN (WHT) Symbol Name Symbol Name MV Vane motor SW Switch Voltage selection LEV Linear expansion valve SW Address setting s digit TB2 Terminal Power supply SW2 Address setting ths digit TB block Transmission SW Branch No. TH2 Thermistor Room temp,detection W.B Wireless remote controller board ( C/kΩ,2 C/.kΩ) RU Receving unit TH22 Pipe temp,detection/liquid BZ Buzzer ( C/kΩ,2 C/.kΩ) LED LED (Operation indicator:green) TH2 Pipe temp,detection/gas LED2 LED (Preparation for heating:orange) ( C/kΩ,2 C/.kΩ) SW Emergency operation (Heat) A.B Address board SW2 Emergency operation (Cool) SW Switch Mode selection 9 CN2 (GRN) RED WHT BLU ORN YLW CN CNV CN9 9 2 2 LEV VANE WIRELESS CN29 CN2 (WHT) (BLU) (WHT) GAS LIQUID (BLK) (WHT) SW SW2 279 2 J J2 Pair No. I.B LEV M MV CN2 CN ADDRESS ADDRESS CN2 (WHT) CN (WHT) CN CNM (BLU) TH2 ORN TH22 t t t ORN 2 CNA MA- CN2 INTAKE REMOC (BLU) CNM TH2 LED2 TO MA-REMOTE CTROLLER DC.7 - V M ~ MF 2 CNP (BLU) P.B LED TO OUTDOOR UNIT BC CTROLLER M-NET REMOTE CTROLLER DC2 - V M M2 TB BLU BLU WHT RED BLK BLU RED 2 CN2M M-NET (BLU) FAN (GRN) CND C FUSE 2V.A F.C CNP TAB GRN /YLW TB2 L N BREAKER (A) TO NEXT INDOOR UNIT PULL BOX FUSE (A) POWER SUPPLY ~/N 22-2V Hz ~/N 22V Hz Note. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit. 2. In case of using MA-remote controller,please connect MA remote controller cable in an accessory to the connector. (Remote controller wire is non-polar.) 2. In case of using M-NET,please connect to TB (Transmission line is non-polar.). Symbols used in wiring diagram above are, : terminal block, : connector. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to the fig : *.. Please set the switch SW according to the power supply voltage. Set SW to 2V side when the power supply is 2 and 2 volts. When the power supply is 22 volts, set SW to 22V side. LED on indoor board for service The black square ( ) indicates a switch position. <*> Mark Meaning Function Models SW2 Models SW2 Models SW2 LED LED2 Main power supply Main power supply(indoor unit : 22-2V) power on lamp is lit P P2 P2 2 2 Power supply for MA-Remote controller Power supply for MA-Remote controller on lamp is lit 2

7 REFRIGERANT SYSTEM DIAGRAM PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER Gas pipe temperature thermistor TH2 Gas pipe Liquid pipe temperature thermistor TH22 Strainer (#mesh) Flare Item Heat exchanger Room temperature thermistor TH2 Service ref. Gas pipe {2.7 (/2 ) Liquid pipe {. (/ ) Liquid pipe Strainer (#mesh) Linear expansion valve Strainer (#mesh) Unit: mm(inch) PKFY-P, 2, 2VBM-E PKFY-P2, 2VBM-ER PKFY-P, 2, 2VBM-ER2 TROUBLESHOOTING -. HOW TO CHECK THE PARTS PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER Parts name Room temperature thermistor (TH2) Liquid pipe temperature thermistor (TH22) Gas pipe temperature thermistor (TH2) Vane motor (MV) Orange Pink or 2 White Red Connect pin No. Fan motor (MF) M Yellow Blue FAN White Red Black Check points Disconnect the connector then measure the resistance with a tester. (At the ambient temperature ~ ) Normal.k ~9.k Abnormal Open or short Refer to the next page for the details. Measure the resistance between the terminals with a tester. (At the ambient temperature 2 ) Normal - Red-Pink or White - Red-Blue Normal 7% - Red-Orange - Red-Yellow Abnormal Open or short Measure the resistance between the terminals with a tester. (At the ambient temperature 2 ) White-Black Red-Black Normal 2 2 Abnormal Open or short Linear expansion valve (LEV) LEV CN White Yellow 2 Orange Blue Red Brown Disconnect the connector then measure the resistance valve with a tester. (Coil temperature 2 ) ()-() White-Red Normal (2)-() Yellow-Brown % ()-() Orange-Red ()-() Blue-Brown Abnormal Open or short 9

<Thermistor Characteristic graph> Thermistor for lower temperature Room temperature thermistor (TH2) Liquid pipe temperature thermistor (TH22) Gas pipe temperature thermistor (TH2) < Thermistor for lower temperature > Thermistor R=k' ± % Fixed number of B= ± 2% Rt=exp { ( 27+t 27 ) } : k' : 9.k' 2:.k' 2:.k' :.k' :.k' Resistance (K ) 2-2 - 2 Temperature ( ) Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve opens/closes through stepping motor after receiving the pulse signal from the indoor controller board. Valve position can be changed in proportion to the number of pulse signal. <Connection between the indoor controller board and the linear expansion valve> Controller board DC2V Linear expansion valve Brown Blue Red Drive circuit White Red M Brown Yellow 2 Orange 2 Blue Orange Yellow White 2 2 Connector(CN) Note : Since the number of the connector at the controller board side and the relay connector are different, follow the color of the lead wire. 2

<Output pulse signal and the valve operation> Output (Phase) { {2 { { 2 Output 2 Linear expansion valve operation Closing a valve : 2 Opening a valve : 2 The output pulse shifts in above order. When linear expansion valve operation stops, all output phase become. At phase interruption or when phase does not shift in order, motor does not rotate smoothly and motor will lock and vibrate. When the switch is turned on, 22 pulse closing valve signal will be sent till it goes to point A in order to define the valve position. Open Valve position (capacity) A E Close Open D C Outdoor unit RA model : pulse Outdoor unit R22/R7C model : 2 pulse Opening a valve all the way When the valve moves smoothly, there is no noise or vibration occurring from the linear expansion valves : however, when the pulse number moves from E to A or when the valve is locked, more noise can be heard than in a normal situation. Noise can be detected by placing the ear against the screw driver handle while putting the screw driver tip to the linear expansion valve. Close B Pulse number Extra tightening (2~ pulse) Troubleshooting Symptom Operation circuit failure of the micro processor Linear expansion valve mechanism is locked. Short or breakage of the motor coil of the linear expansion valve Check points Disconnect the connector on the controller board, then connect LED for checking. 2 k LED Countermeasures Exchange the indoor controller board at drive circuit failure. When power is turned on, pulse signals will output for seconds. There must be some defects in the operation circuit if the LED does not light while the signals are output or keeps lighting even after the signals stop. Motor will idle and make a ticking noise when the motor is Exchange the linear expansion vale. operated while the linear expansion valve is locked. This ticking sound is the sign of the abnormality. Measure the resistance between each coil (white-red, yellowbrown, orange-red, blue-brown) using a tester. It is normal if the resistance is in the range of " ±%. Exchange the linear expansion valve. Valve doesn't close completely. Wrong connection of the connector or contact failure Thermistor (Liquid pipe) Linear expansion valve To check the linear expansion valve, operate the indoor unit If large amount of refrigerant is leaked, exchange in fan mode and at the same time operate other indoor units in cooling mode, then check the pipe temperature <liquid the linear expansion valve. pipe temperature> of the indoor unit by the outdoor multi controller board operation monitor. During fan operation, linear expansion valve is closed completely and if there is any leaking, detecting temperature of the thermistor will go lower. If the detected temperature is much lower than the temperature indicated in the remote controller, it means the valve is not closed all the way. It is not necessary to exchange the linear expansion valve, if the leakage is small and not affecting normal operation. Check the color of lead wire and missing terminal of the connector. Disconnect the connector at the controller board, then check the continuity. 2

-2. FUNCTI OF DIP SWITCH PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER Switch Pole SW Mode selection 2 7 9 Function Thermistor<Intake temperature> position Operation by switch Filter clogging Provide Not provide Filter sign indication 2, hr hr Air intake *2 Not effective Not effective Remote indication switching Thermo signal indication Fan output indication Humidifier control Fan operation at Heating mode Air flow set in case of heat thermo Setting air flow * Thermo operation at heating mode Extra low * Depends on SW-7 Auto restart function Effective Not effective Power / Effective Not effective Models Built-in remote controller Low * SW2 Indoor unit The black square ( Effective timing Under suspension ) indicates a switch position. NOTE: * SW-7 Remarks Address board <Initial setting> 279 SW- Fan speed Extra low Low Setting air flow Stop *2 It is impossible to intake the fresh air. Indoor controller board SW2 Capacity code switch ~ P P2 P2 2 2 2 Before power supply <Initial setting> Set for each capacity. SW Function selection 2 7 9 Heat pump/cool only Cooling only Heat pump Louver Vane Available Not available Vane swing Vane horizontal angle Second setting * First setting Vane cooling limit angle setting * Horizontal angle Down B,C Changing the opening of linear expansion valve Effective Not effective Heating degree up Not effective Effective Superheat setting temperature *2 Subcool setting temperature *2 Under suspension Indoor controller board <Initial setting> 2 7 9 * At cooling mode, each angle can be used only hour. *2 Please do not change SW-9, - as trouble might be caused by the usage condition. * Second setting is the same as first setting. 22

Switch SW s digit address setting SW2 ths digit address setting Rotary switch SW2 9 7 2 SW 9 7 2 Operation by switch How to set address Example : If address is "", remain SW2 (for over ) at "", and match SW (for to 9) with "". The black square ( Effective timing ) indicates a switch position. 9 7 Remarks Address board <Initial setting> SW2 SW 2 9 7 2 SW Branch No. Setting Rotary switch E D C B SW A F 9 7 2 How to set branch number SW (Series R2 only). Match the indoor unit s refrigerant pipe with the BC contoller s end connection number Remain other than series R2 at "". Before power supply Address board <Initial setting> SW E D C B A F 9 7 2 SW Voltage selection 2 22V 2V If the unit is used at the 2V or 2V area, set the voltage to 2V. If the unit is used at the 22V, set the voltage to 22V. Address board <Initial setting> 22V 2V J, J2 Wireless remote controller Pair No Jumper To operate each indoor unit by each remote controller when installed 2 indoor units or more are near, Pair No. setting is necessary. Pair No. setting is available with the patterns (Setting patterns A to D).. Make setting for J, J2 of indoor controller board and the Pair No. of wireless remote controller. You may not set it when operating it by one remote controller. Setting for indoor unit Jumper wire J, J2 on the indoor controller board are cut according to the table below. Wireless remote controller pair number: Setting operation. Press the SET button (using a pointed implemet). Check that the remote controller s display has stopped before continuing. MODEL SELECT flashes, and the model No. ( digits) appears (steadily-lit). 2. Press the MINUTE button twice. The pair number appears flashing.. Press the temperature buttons to select the pair number to set.. Press the SET button (using a pointed implemet). The set pair number is displayed (steadily-lit) for seconds, then disappears. Under operation or suspension SET button <Initial setting> Pattern A / MODE CHECK TEST RUN SET MODEL SELECT FAN VANE LOUVER RESET TEMP CLOCK AUTO STOP AUTO START h min Pair No. Model No. Temperature button Minute button Indoor controller jumper wire Pair No. of wireless remote controller * Setting pattern J J2 A B Cut C Cut 2 D Cut Cut * Pair No.-9 of wireless remote controller is setting pattern D. Initial setting 2

-. TEST POINT DIAGRAM --. Indoor controller board PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER CN Linear expansion valve output (LEV) CN Centrally control -2 : Control signal 2VDC pulse input ( : +) - : Operation indicator 2VDC ( : +) - : Malfunction indicator 2VDC ( : +) CNV Vane motor output (MV) CN2 Connected to the address board (CN) CN9 Connected to the wireless remote controller board (W.B) CN Connected to the address board (CN2) CN29 Pipe temperature thermistor/gas (TH2) CN2 Pipe temperature thermistor/liquid (TH22) CN2 Room temperature thermistor (TH2) CN2 Remote indicator -2: Status lamp 2VDC ( : +) Fan motor output (SW- ) Thermostat (SW- ) -: Cooling/Dry status lamp 2VDC ( : +) -: Heating status lamp 2VDC ( : +) SW Mode selection CNA Connected to the MA-Remote controller Between to.7-v DC (Pin (+)) CN Connector (HA terminal-a) J, J2 Wireless remote controller Pair No. setting CN2 Connector (Remote switch) JP Model setting SW2 Capacity setting LED2 Indication of power supply for MA-Remote controller The voltage range of DC2V above is between DC. V to DC.7 V. CNM Connected to the indoor power board (CNP) CNM Connected to the indoor power board (CNP) Between to 2 2-V DC (non-polat) Between to 2.-.7V DC (Pin (+)) Between to.-2.7v DC (Pin (+)) 2

Indoor controller board PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER CN Linear expansion valve output (LEV) CN Centrally control -2 : Control signal 2VDC pulse input ( : +) - : Operation indicator 2VDC ( : +) - : Malfunction indicator 2VDC ( : +) CNV Vane motor output (MV) CN2 Connected to the address board (CN) CN9 Connected to the wireless remote controller board (W.B) CN Connected to the address board (CN2) CN29 Pipe temperature thermistor/gas (TH2) CN2 Pipe temperature thermistor/liquid (TH22) CN2 Room temperature thermistor (TH2) CN2 Remote indicator -2: Status lamp 2VDC ( : +) Fan motor output (SW- ) Thermostat (SW- ) -: Cooling/Dry status lamp 2VDC ( : +) -: Heating status lamp 2VDC ( : +) SW Mode selection CNA Connected to the MA-Remote controller Between to.7-v DC (Pin (+)) CN Connector (HA terminal-a) CN2 Connector (Remote switch) J, J2 Wireless remote controller Pair No. setting CN JP Model setting SW2 Capacity setting LED2 Indication of power supply for MA-Remote controller The voltage range of DC2V above is between DC. V to DC.7 V. CNM Connected to the indoor power board (CNP) CNM Connected to the indoor power board (CNP) Between to 2 2-V DC (non-polat) Between to 2.-.7V DC (Pin (+)) Between to.-2.7v DC (Pin (+)) 2

--2. Indoor power board PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER FAN Fan motor output (MF) CND Power supply for indoor controller board Between to 22-2V AC CN2M Connected to the terminal block (TB) (M-NET transmission connecting wire) 2-V DC (non-polar) FUSE.A 2V CNP Connected to the indoor controller board (CNM) CNP Connected to the indoor controller board (CNM) Between to 2 2-V DC (non-polat) Between to 2.-.7V DC (Pin (+)) Between to.-2.7v DC (Pin (+)) LED Indication of main power supply / 2

--2. Indoor power board PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER FAN Fan motor output (MF) CND Power supply for indoor controller board Between to 22-2V AC CN2M Connected to the terminal block (TB) (M-NET transmission connecting wire) 2-V DC (non-polar) FUSE.A 2V CNP Connected to the indoor controller board (CNM) CNP Connected to the indoor controller board (CNM) Between to 2 2-V DC (non-polar) Between to 2.-.7V DC (Pin (+)) Between to.-2.7v DC (Pin (+)) LED Indication of main power supply / --. Address board PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER SW Function setting SW2 Address setting ths digit SW Address setting s digit 27

9 DISASSEMBLY PROCEDURE PKFY-PVBM-E PKFY-P2VBM-E PKFY-P2VBM-E PKFY-P2VBM-ER PKFY-P2VBM-ER OPERATI PROCEDURE. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATI PLATE Be careful when removing heavy parts. PHOTOS & ILLUSTRATIS Figure Figure 2 When there is removing plate () Remove the corner box at right lower side of the indoor unit and remove the removing plate from the corner box. (See Figure ) (2) Insert the removing plate at the back side of the corner box to remove the indoor unit. () Remove the hook by pulling the lower side of the indoor unit down as shown in the Figure. When there is no removing plate or it cannot be used for some reason. () Remove the front panel. (2) Insert the screw driver to the corner hole at both left and right side as shown in the Figure 2. () Push it up, then pull down the lower side of indoor unit and remove the hook. Insert the edge Figure Indoor unit removing plate Pull Be careful not to damage the airflow adjustment plate with the screw driver. Push Push Corner hole Down Corner box 2. REMOVING THE FRT PANEL * Before removing the front panel, leave the open space at upper side of the vane approximately 2 to cm. () Remove the screw caps then remove the set screws. (Refer to Photo ) (2) Remove the grille. () Remove the left side of the front panel, then right side. () After removing the lower side of the front panel a little, remove it as pulling the upper side toward you. * Please pay attention to the nozzle assembly. Photo Grille INSTALLING THE FRT PANEL () Insert the lower side of the front panel under the vane. (2) Set the upper side of the front panel. (See Figure ) () Set the lower side of the front panel then fix it with the screws. () Press the area indicated as arrow sign and set it to the air conditioner unit. () Attach the screw caps. Front panel Figure Set screws () Push (2) Vane () 2

OPERATI PROCEDURE. REMOVING THE INDOOR CTROLLER BOARD AND INDOOR POWER BOARD PHOTOS & ILLUSTRATIS Electrical box cover Photo 2 () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover (screw ). (See Photo 2) INDOOR CTROLLER BOARD () Disconnect the following connectors from the indoor controller board. CN, CNV, CN9, CN29, CN2 CN2, CN, CNA, CN2 (2) Pull out the indoor controller board toward you, then disconnect the rest of connectors. CNM, CNM (See Photo ) INDOOR POWER BOARD () Disconnect the following connectors on the indoor power board. FAN, CNP, CNP, CN2M, CND (2) Remove the earth wire for TAB. () Pull out the indoor power board toward you. (See Photo ) Photo Water cut fixing screw Electrical box Indoor controller board Screw Indoor power board Water cut Terminal block (TB) Room temperature thermistor cover Terminal block (TB2). REMOVING THE ELECTRICAL BOX () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover. (See Photo 2) () Pull the nozzle assembly toward you as opening the catch of the nozzle assembly. (See Photo ) () Disconnect the indoor/outdoor transmission wiring of TB. () Disconnect the power supply wiring of TB2. () Disconnect the relay connector of MA-remote controller. (7) Disconnect the following connector on the indoor controller board. CN, CNV, CN29, CN2, CN9, (CNA) () Disconnect the connector (FAN) on the indoor power board. (9) Remove the ground wire fixing screw. () Pull the disconnected lead wire out from the electrical box. () Push up the upper fixture catch to remove the box, then pull the lower fixture and remove it from the box fixture. Photo Ground wire set screw Liquid pipe temp. thermistor (TH22) Gas pipe temp. thermistor (TH2) Linear expansion valve Indoor controller board Indoor power board MA-remote controller connector Terminal block (TB) Terminal block (TB2) 29

OPERATI PROCEDURE. REMOVING THE NOZZLE ASSEMBLY AND DRAIN HOSE () Remove the front panel (Refer to procedure 2). (2) Remove the electrical box cover. (See Photo 2) () Disconnect the connector (CNV) on the indoor controller board. () After unhook the right side of the corner box, press the upper left side and remove the corner box. () Remove the nozzle assembly from the fixture. (See Photo ) () Remove the drain hose. PHOTOS & ILLUSTRATIS Photo Heat exchanger Electrical box Drain hose Nozzle assembly Fixture Drain hose Fixture. REMOVING THE LINE FLOW FAN AND THE FAN MOTOR () Remove the front panel. (Refer to procedure 2) (2) Remove the nozzle assembly. (Refer to procedure ) () Remove the electrical parts box. (Refer to procedure ) () Remove the fixture while pressing the right side of motor fixture catch. (See Photo ) () Remove the left side of the motor fixture. () Loosen the screw which fixes the line flow fan to the fan motor, then remove the fan motor by sliding it to the right side. (See Photo ) (7) Pull the left-hand side of the heat exchanger toward you. (See Photo 7) () Remove the line flow fan. Photo Line flow fan Set screws Photo 7 Heat exchanger Heat exchanger Fan motor Fixture (right) Fixture (left) Fixture set screws Drain hose Nozzle assembly Heat exchanger fixture (left) 7. REMOVING THE VANE MOTOR () Remove the front panel. (Refer to procedure 2) (2) Remove the screw of the electrical parts box cover, and remove the cover. () Remove the 2 screws of the vane motor. (See Photo ) Disconnect the relay connector and remove the motor from the shaft. () Disconnect the vane motor connector (CNV) on the indoor controller board. Photo Heat exchanger Vane motor Vane motor fixing screws Nozzle assembly. REMOVING THE LIQUID PIPE THERMISTOR AND GAS PIPE THERMISTOR () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover. (See Photo 2) () Remove the water cut. (See Photo ) () Cut the wiring fixed band. () Remove the liquid pipe thermistor and gas pipe thermistor. (See Photo 9) () Disconnect the connector (CN29) (CN2) on the indoor controller board. Photo 9 Heat exchanger Gas pipe thermistor Liquid pipe thermistor Electrical box

PKFY-PVBM-ER2 PKFY-P2VBM-ER2 PKFY-P2VBM-ER2 PKFY-PVBM-ER PKFY-P2VBM-ER PKFY-P2VBM-ER OPERATI PROCEDURE. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATI PLATE Be careful when removing heavy parts. PHOTOS & ILLUSTRATIS Figure Figure 2 When there is removing plate () Remove the corner box at right lower side of the indoor unit and remove the removing plate from the corner box. (See Figure ) (2) Insert the removing plate at the back side of the corner box to remove the indoor unit. () Remove the hook by pulling the lower side of the indoor unit down as shown in the Figure. When there is no removing plate or it cannot be used for some reason. () Remove the front panel. (2) Insert the screw driver to the corner hole at both left and right side as shown in the Figure 2. () Push it up, then pull down the lower side of indoor unit and remove the hook. Insert the edge Figure Indoor unit removing plate Pull Be careful not to damage the airflow adjustment plate with the screw driver. Push Push Corner hole Down Corner box 2. REMOVING THE FRT PANEL * Before removing the front panel, leave the open space at upper side of the vane approximately 2 to cm. () Remove the screw caps then remove the set screws. (See Photo ) (2) Remove the grille. () Remove the left side of the front panel, then right side. () After removing the lower side of the front panel a little, remove it as pulling the upper side toward you. * Please pay attention to the nozzle assembly. INSTALLING THE FRT PANEL () Insert the lower side of the front panel under the vane. (2) Set the upper side of the front panel. (See Figure ) () Set the lower side of the front panel then fix it with the screws. () Press the area indicated as arrow sign and set it to the air conditioner unit. () Attach the screw caps. Photo Front panel Figure Set screws Grille (2) Vane () Push ()

OPERATI PROCEDURE. REMOVING THE INDOOR CTROLLER BOARD AND INDOOR POWER BOARD () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover (screw ). (See Photo 2) INDOOR CTROLLER BOARD () Disconnect the following connectors from the indoor controller board. CN, CNV, CN9, CN29, CN2 CN2, CN, CNA, CN2 (2) Pull out the indoor controller board toward you, then disconnect the rest of connectors. CNM, CNM (See Photo ) Photo 2 Photo PHOTOS & ILLUSTRATIS Electrical box Indoor controller board Electrical box cover Screw for electrical box cover INDOOR POWER BOARD () Disconnect the following connectors on the indoor power board. FAN, CNP, CNP, CN2M, CND (2) Remove the earth wire for TAB. () Pull out the indoor power board toward you. (See Photo ) Water cut fixing screw Indoor power board Electrical box Water cut Room temperature thermistor (TH2). REMOVING THE NOZZLE ASSEMBLY AND DRAIN HOSE Photo () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover. (See Photo 2) () Disconnect the connector (CNV) on the indoor controller board. () After unhook the right side of the corner box, press the upper left side and remove the corner box. () Remove the nozzle assembly from the fixture. (See Photo ) () Remove the drain hose. Heat exchanger Electrical box Nozzle assembly Fixture for nozzle assembly Drain hose. REMOVING THE FAN GUARD () Remove the nozzle assembly and drain hose. (Refer to procedure ) (2) Remove the screws of fan guard. (See Photo ) () Remove the fan guard. Photo Screws for fan guard 2

OPERATI PROCEDURE. REMOVING THE ELECTRICAL BOX () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover. (See Photo 2) () Remove the water cut. (See Photo ) () Pull the nozzle assembly toward you as opening the catch of the nozzle assembly. (See Photo ) () Disconnect the indoor/outdoor transmission wiring of TB. () Disconnect the power supply wiring of TB2. (7) Disconnect the relay connector of MA-remote controller. () Disconnect the following connector on the indoor controller board. CN, CNV, CN29, CN2, CN9, (CNA) (9) Disconnect the connector (FAN) on the indoor power board. () Remove the ground wire fixing screw. () Pull the disconnected lead wire out from the electrical box. (2) Push up the upper fixture catch to remove the box, then pull the lower fixture and remove it from the box fixture. Photo Screw for ground wire Liquid pipe temp. thermistor (TH22) Gas pipe temp. thermistor (TH2) PHOTOS & ILLUSTRATIS Linear expansion valve Indoor controller board Fixture for electrical box (top) Indoor power board Electrical box Fixture for electrical box (bottom) Terminal block (TB2) Terminal block (TB) 7. REMOVING THE LINE FLOW FAN AND THE FAN MOTOR () Remove the front panel. (Refer to procedure 2) (2) Remove the nozzle assembly. (Refer to procedure ) () Remove the electrical parts box. (Refer to procedure ) () Remove the fixture while pressing the right side of motor fixture catch. (See Photo 7) () Remove the left side of the motor fixture. () Loosen the set screw which fixes the line flow fan to the fan motor, then remove the fan motor by sliding it to the right side. (See Photo 7) (7) Pull the left-hand side of the heat exchanger toward you. (See Photo 9) () Remove the line flow fan. Photo 7 Heat exchanger Set screw Fan motor Fixture (right) Fixture (left) Screws for fixture (left) Photo Photo 9 Heat exchanger fixture (left) Heat exchanger Line flow fan Set screw

OPERATI PROCEDURE PHOTOS & ILLUSTRATIS. REMOVING THE VANE MOTOR () Remove the front panel. (Refer to procedure 2) (2) Remove the screw of the electrical parts box cover, and remove the cover. () Remove the 2 screws of the vane motor. (See Photo ) Disconnect the relay connector and remove the motor from the shaft. () Disconnect the vane motor connector (CNV) on the indoor controller board. Photo Heat exchanger Vane motor fixing screws Vane motor Nozzle assembly 9. REMOVING THE LIQUID PIPE THERMISTOR AND GAS PIPE THERMISTOR Photo Heat exchanger Electrical box () Remove the front panel. (Refer to procedure 2) (2) Remove the electrical box cover. (See Photo 2) () Remove the water cut. (See Photo ) () Cut the wiring fixed band. () Remove the liquid pipe thermistor and gas pipe thermistor. (See Photo ) () Disconnect the connector (CN29) (CN2) on the indoor controller board. Liquid pipe thermistor Gas pipe thermistor HEAD ICE : TOKYO BLDG., 2-7-, MARUNOUCHI, CHIYODA-KU TOKYO -, JAPAN ccopyright 27 MITSUBISHI ELECTRIC CORPORATI Distributed in Dec. 22 No. OCH REVISED EDITI-C Distributed in Nov. 2 No. OCH REVISED EDITI-B Distributed in Nov. 2 No. OCH REVISED EDITI-A PDF 7 Distributed in May 27 No. OCH PDF 9 Made in Japan New publication, effective Dec. 22 Specifications are subject to change without notice.