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TECHNICAL & SERVICE MANUAL

CONTENTS

1. SAFETY PRECAUTION .......................... 2

2. PARTS NAMES AND FUNCTIONS ........ 4

3. SPECIFICATION ................................... 13

4. NOISE CRITERION CURVES............... 18

5. OUTLINES AND DIMENSIONS ............ 22

6. WIRING DIAGRAM ............................... 24

7. REFRIGERANT SYSTEM DIAGRAM ........25

8. TROUBLESHOOTING .......................... 25

9. DISASSEMBLY PROCEDURE ............. 33

Indoor unit
[Model Name]

[Service Ref.]

INDOOR UNIT

R410A

Model name
indication

PARTS CATALOG (OCB710)

No. OCH710

April 2019

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

PKFY-P10VLM-E
PKFY-P10VLM-ET

PKFY-P10VLM-E.TH
PKFY-P10VLM-ET.TH

PKFY-P15VLM-E
PKFY-P15VLM-DA
PKFY-P15VLM-TH
PKFY-P15VLM-ET

PKFY-P15VLM-E.TH
PKFY-P15VLM-DA.TH
PKFY-P15VLM-TH.TH
PKFY-P15VLM-ET.TH

PKFY-P20VLM-E
PKFY-P20VLM-DA
PKFY-P20VLM-TH
PKFY-P20VLM-ET

PKFY-P20VLM-E.TH
PKFY-P20VLM-DA.TH
PKFY-P20VLM-TH.TH
PKFY-P20VLM-ET.TH

PKFY-P25VLM-E
PKFY-P25VLM-DA
PKFY-P25VLM-TH
PKFY-P25VLM-ET

PKFY-P25VLM-E.TH
PKFY-P25VLM-DA.TH
PKFY-P25VLM-TH.TH
PKFY-P25VLM-ET.TH

PKFY-P32VLM-E
PKFY-P32VLM-DA
PKFY-P32VLM-TH
PKFY-P32VLM-ET

PKFY-P32VLM-E.TH
PKFY-P32VLM-DA.TH
PKFY-P32VLM-TH.TH
PKFY-P32VLM-ET.TH

PKFY-P40VLM-E
PKFY-P40VLM-DA
PKFY-P40VLM-TH
PKFY-P40VLM-ET

PKFY-P40VLM-E.TH
PKFY-P40VLM-DA.TH
PKFY-P40VLM-TH.TH
PKFY-P40VLM-ET.TH

PKFY-P50VLM-E
PKFY-P50VLM-DA
PKFY-P50VLM-TH
PKFY-P50VLM-ET

PKFY-P50VLM-E.TH
PKFY-P50VLM-DA.TH
PKFY-P50VLM-TH.TH
PKFY-P50VLM-ET.TH

Содержание CITY MULTI PKFY-P15VLM-DA

Страница 1: ... P15VLM ET PKFY P15VLM E TH PKFY P15VLM DA TH PKFY P15VLM TH TH PKFY P15VLM ET TH PKFY P20VLM E PKFY P20VLM DA PKFY P20VLM TH PKFY P20VLM ET PKFY P20VLM E TH PKFY P20VLM DA TH PKFY P20VLM TH TH PKFY P20VLM ET TH PKFY P25VLM E PKFY P25VLM DA PKFY P25VLM TH PKFY P25VLM ET PKFY P25VLM E TH PKFY P25VLM DA TH PKFY P25VLM TH TH PKFY P25VLM ET TH PKFY P32VLM E PKFY P32VLM DA PKFY P32VLM TH PKFY P32VLM ET...

Страница 2: ...ure enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc 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 U...

Страница 3: ...the cylinder of syphon stood vertically Refrigerant is charged from liquid phase Electronic weighing scale Unit 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3 MPa G or over 2 Charge hose Only for R410A Use pressure pe...

Страница 4: ...on 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 Some functions may not be available depending on model types Wired remote controller function The functions which can be used are restricted according to each model Filter Air intake Vane Air outlet Louv...

Страница 5: ... screen When the backlight is off pressing any button turns the backlight on and does not perform its function except for the ON OFF button 6 ON OFF 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 7 Function button F1 Main display Press to change the operation mode Menu screen The button function varies...

Страница 6: ...for explanation Fri Mode Temp Fan Room Cool Set temp Auto Basic mode Fri Cool Mode Temp Fan Set temp Auto 2 1 5 6 7 8 9 0 1 3 9 4 2 3 4 5 6 7 2 1 5 4 Appears when the Weekly timer is enabled 5 Appears while the units are operated in the energy save mode Will not appear on some models of indoor units 6 Appears while the outdoor units are operated in the silent mode This indication is not available ...

Страница 7: ...Manual vane angle ON OFF timer Auto return Clock Main Sub Temp range Auto OFF timer Schedule Daylight saving time Clock Administrator password Operation locked 3D i see Sensor High power Vane Louver Vent Lossnay Comfort Timer Energy saving Basic setting Display setting Operation setting Restriction Weekly timer OU silent mode Timer menu Main display Display details Contrast Brightness Language sel...

Страница 8: ...me input Function setting Error history Maintenance password Dealer information input Error information Test run menu Maintenance information Filter information Cleaning Settings menu Check menu Other menu Auto descending panel Descending operation Self check Descending adjustment Remote controller check Continue from the previous page Not all functions are available on all models of indoor units ...

Страница 9: ...ch priority is given to quiet operation of outdoor units over temperature control Set the Start Stop times for each day of the week Select the desired silent level from Normal Middle and Quiet Night setback 1 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 Energy saving Restriction Temp rang...

Страница 10: ...eck 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 Filter information Use to check the filter status The filter sign can be reset Cleaning Auto descending panel Use to lift and lower the auto descending panel ...

Страница 11: ...mperature display range is 8 39 The display blinks if the temperature is less than 8 or 39 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 Fan Speed indicator Shows the selected fan speed Ventilation indicator Appears when the unit is running in Ventilation mode Operation Section Temperat...

Страница 12: ...erature buttons Weekly timer ON OFF button Set Time button Sets the time Airflow button Changes up down airflow direction Mode button Changes operation mode Timer ON button Timer OFF button OFF ON button Fan Speed button Changes fan speed SET SEND button CANCEL button Up Down buttons Menu button i see button Reset button Remote controller display Transmission area 3D i see sensor Air distribution ...

Страница 13: ...90 112 cfm 117 124 134 148 141 148 155 166 141 155 173 191 141 162 191 237 Noise level Low Mid2 Mid1 High measured in anechoic room dB A 22 24 26 28 22 24 26 28 22 26 29 31 22 27 31 35 Insulation material Polyethylene sheet Air filter PP Honeycomb Protection device Fuse Refrigerant control device LEV Connectable outdoor unit R410A CITY MULTI Diameter of refrigerant pipe Liquid mm in 6 35 1 4 Gas m...

Страница 14: ... 2 12 4 L s 72 90 115 140 105 123 143 167 113 138 170 207 cfm 152 191 244 297 222 261 304 353 240 293 360 438 Noise level Low Mid2 Mid1 High measured in anechoic room dB A 24 31 37 41 29 34 37 40 31 36 41 46 Insulation material Polyethylene sheet Air filter PP Honeycomb Protection device Fuse Refrigerant control device LEV Connectable outdoor unit R410A CITY MULTI Diameter of refrigerant pipe Liqu...

Страница 15: ...red in anechoic room dB A 22 26 28 30 22 27 30 33 22 27 31 35 Insulation material Polyethylene sheet Air filter PP Honeycomb Protection device Fuse Refrigerant control device LEV Connectable outdoor unit R410A CITY MULTI Diameter of refrigerant pipe Liquid mm in 6 35 1 4 Gas mm in 12 7 1 2 Field drain pipe size mm in I D 16 5 8 Standard attachment Installation Manual Instruction Book Optional part...

Страница 16: ...13 138 170 207 cfm 152 208 282 367 222 272 335 406 240 293 360 438 Noise level Low Mid2 Mid1 High measured in anechoic room dB A 24 33 41 48 29 35 40 44 31 36 41 46 Insulation material Polyethylene sheet Air filter PP Honeycomb Protection device Fuse Refrigerant control device LEV Connectable outdoor unit R410A CITY MULTI Diameter of refrigerant pipe Liquid mm in 6 35 1 4 Gas mm in 12 7 1 2 Field ...

Страница 17: ...e temperature detection thermistor liquid Pipe temperature detection thermistor gas Room temperature detection thermistor Fuse Indoor controller board Fan motor with thermal fuse Vane motor Upper Linear expansion valve Power supply terminal block Transmission terminal block DC12V Stepping motor drive Port 2 4 P10 2 63 P15 20 25 32 40 50 0 2000pulse PKFY P10VLM E ET TH PKFY P15VLM E ET DA TH TH PKF...

Страница 18: ...P20VLM E ET TH NC 60 NC 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate minimum audible limit on continuous noise PKFY P25VLM E ET TH NC 60 NC 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 ...

Страница 19: ... 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate minimum audible limit on continuous noise PKFY P40VLM E ET TH NC 60 NC 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate minimum audible limit on continuous noise PKFY P50VLM E ET TH NC 60 NC 50 NC 40 NC 20 NC 30 N...

Страница 20: ... 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate minimum audible limit on continuous noise PKFY P32VLM DA NC 60 NC 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 20...

Страница 21: ... 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate minimum audible limit on continuous noise PKFY P50VLM DA NC 60 NC 50 NC 40 NC 20 NC 30 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002μbar ...

Страница 22: ...22 OCH710 φ OUTLINES AND DIMENSIONS 5 PKFY P10VLM E ET TH PKFY P15VLM E ET DA TH TH PKFY P20VLM E ET DA TH TH PKFY P25VLM E ET DA TH TH PKFY P32VLM E ET DA TH TH Unit mm ...

Страница 23: ...23 OCH710 23 φ PKFY P40VLM E ET DA TH TH PKFY P50VLM E ET DA TH TH Unit mm ...

Страница 24: ...CH710 WIRING DIAGRAM 6 E ET TH PKFY P10VLM E ET TH PKFY P15VLM E ET DA TH TH PKFY P20VLM E ET DA TH TH PKFY P25VLM E ET DA TH TH PKFY P32VLM E ET DA TH TH PKFY P40VLM E ET DA TH TH PKFY P50VLM E ET DA TH TH ...

Страница 25: ...4 6 Blue Brown Measure the resistance between the terminals with a tester At the ambient temperature 25 Normal 300 7 9 Red Sky Blue 8 Red Sky Blue 7 Red Sky Blue 6 Red Sky Blue Refer to 8 1 3 DC Fan motor fan motor indoor controller board Fan motor MF Abnormal Other than short Other than open Other than short State of moving part UP DOWN Normal Short Open Short Sky Blue Sky Blue Red Sky Blue 7 9 1...

Страница 26: ...Thermistor R0 15 k 3 Fixed number of B 3480 2 Rt 15exp 3480 0 15 k 10 9 6 k 20 6 3 k 25 5 4 k 30 4 3 k 40 3 0 k Thermistor for lower temperature 1 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 Connec...

Страница 27: ...lace the defective fan motor Is the voltage normal Is there contact failure No Yes Yes No Check the operation of fan Complete Fail OK OK Check the operation Is the fuse normal Yes Notes High voltage is applied to the connector CNMF for the fan motor Pay attention to the service Do not pull out the connecter CNMF for the motor with the power supply on It causes trouble of the indoor controller boar...

Страница 28: ...tput or keeps lighting even after the signals stop Countermeasures Exchange the indoor con troller board at drive circuit failure Linear expansion valve mechanism is locked Valve does not close completely Wrong connection of the connector or contact failure To check the linear expansion valve operate the indoor unit in fan mode and at the same time operate other indoor units in cooling mode then c...

Страница 29: ...Table A below 2 Filter clogging Provided Not provided 3 Filter sign indication 2 500 hr 100 hr 4 Air intake 1 Not effective Not effective 5 Remote indication switching Thermo ON signal indication Fan output indication 6 Humidifier control Fan operation at Heating mode Thermo ON operation at heating mode 7 Air flow set in case of heat thermo OFF Low 2 Extra low 2 8 Setting air flow 1 Depends on SW1...

Страница 30: ...emote controller pair number Setting operation Fig 1 A 1 Press the button 1 to stop the air conditioner 2 Press the button 2 3 Check that function No 1 is displayed and then press the button 3 The Screen display setting screen will be displayed Fig 2 Pair No changing operation Fig 2 B 1 Press the button 4 2 Each time the button 4 is pressed the pair No 0 3 changes 3 Press the button 3 to check the...

Страница 31: ... 3 1 Indoor controller board I B PKFY P10VLM E ET TH PKFY P15VLM E ET DA TH TH PKFY P20VLM E ET DA TH TH PKFY P25VLM E ET DA TH TH PKFY P32VLM E ET DA TH TH PKFY P40VLM E ET DA TH TH PKFY P50VLM E ET DA TH TH Note The voltage range of 12 V DC in this page is between 11 5 to 13 7 V DC SW2 Capacity setting CN2M M NET transmission connecting wire 24 30 VDC non polar CN4F Drain float switch FS OPTION ...

Страница 32: ...0VLM E ET DA TH TH PKFY P50VLM E ET DA TH TH SW12 Address setting 10s digit SW11 Address setting 1s digit SW14 BRANCH No SW1 Mode selection SWA Region selection SWE1 Emergency operation HEAT SWE2 Emergency operation COOL REC1 Receiving unit LED1 Operating indicator GREEN LED2 Standby for Hearting ORANGE CN301 Connect to INDOOR CONTROLLER BOARD I B CNRU CN303 Connect to INDOOR CONTROLLER BOARD I B ...

Страница 33: ...ECTRICAL BOX 1 Remove the panel and the corner box Refer procedure to 1 2 Remove the front and side electrical box covers each 2 screw 3 Remove the transmission wiring of TB5 the power supply wiring of TB2 and the wiring of MA remote controller TB15 4 Disconnect the connectors on the indoor controller board 5 Disconnect the connector for ground wire 6 Remove the screw on lower side of the electric...

Страница 34: ...ASSEMBLY with VANE and VANE MOTOR AND DRAIN HOSE 1 Remove the panel and corner box Refer to procedure 1 2 Remove the electrical box covers Refer to procedure 2 3 Disconnect the vane motor connector CNV on the indoor controller board 4 Push fixture and pull out the drain hose from the nozzle assembly and remove nozzle assembly See Photo 6 Photo 4 Photo 5 Photo 6 5 REMOVING THE VANE MOTOR 1 Remove t...

Страница 35: ...r and pull out the line flow fan to the lower left When attaching the line flow fan screw the line flow fan so 4mm gap is provided between the right end of the line flow fan and the right wall of the air passage of the box Photo 9 Photo 8 7 REMOVING THE LIQUID PIPE THERMISTOR AND GAS PIPE THERMISTOR 1 Remove the panel and the corner box Refer to proce dure 1 2 Remove the electrical box covers Refe...

Страница 36: ...he motor bed together with fan motor and motor band Refer to procedure 6 7 Remove 2 screws fixing the left side of the heat exchanger See Photo 10 8 Remove the heat exchanger with LEV 9 REMOVING THE ROOM TEMPERATURE THERMISTOR 1 Remove the panel and corner box Refer to procedure 1 2 Remove the electrical box covers Refer to procedure 2 3 Remove the room temperature thermistor 4 Disconnect the conn...

Страница 37: ...37 OCH710 ...

Страница 38: ...ht 2019 MITSUBISHI ELECTRIC CORPORATION Published Apr 2019 No OCH710 Made in Japan Specifications are subject to change without notice HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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