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Mitsubishi Electric Mr. SLIM PEAD-RP60JAL, Service Manual

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Mitsubishi Electric Mr. SLIM PEAD-RP60JAL Service Manual Download Page 1

SERVICE MANUAL

<indoor unit> Service ref.

Models

PEAD-RP35JA(L)
PEAD-RP50JA(L)
PEAD-RP60JA(L)
PEAD-RP71JA(L)
PEAD-RP100JA(L)
PEAD-RP125JA(L)
PEAD-RP140JA(L)

TM

 1. REFERENCE MANUAL  ·····························  2
 2. SAFETY PRECAUTION ·····························  3
 3. PART NAMES AND FUNCTIONS ··············  4
 4. SPECIFICATION ········································  6
 5. FAN PERFORMANCE AND 

CORRECTED AIR FLOW ··························  9

 6. SOUND PRESSURE LEVELS ···················16
 7. OUTLINES & DIMENSIONS  ······················23
 8. WIRING DIAGRAM  ····································25
 9. REFRIGERANT SYSTEM DIAGRAM ········26
10. TROUBLESHOOTING  ·······························27
11. DISASSEMBLY PROCEDURE ··················41

CONTENTS

INDOOR UNIT

REMOTE CONTROLLER

ON/OFF 

TEMP.

Series PEAD

R410A

2009

SPLIT-TYPE, HEAT PUMP 
AIR CONDITIONERS

NOTE:
• This manual describes only 

service data of the indoor 
units.

Summary of Contents for Mr. SLIM PEAD-RP60JAL

Page 1: ... AND FUNCTIONS 4 4 SPECIFICATION 6 5 FAN PERFORMANCE AND CORRECTED AIR FLOW 9 6 SOUND PRESSURE LEVELS 16 7 OUTLINES DIMENSIONS 23 8 WIRING DIAGRAM 25 9 REFRIGERANT SYSTEM DIAGRAM 26 10 TROUBLESHOOTING 27 11 DISASSEMBLY PROCEDURE 41 CONTENTS INDOOR UNIT REMOTE CONTROLLER ON OFF TEMP SeriesPEAD R410A 2009 SPLIT TYPE HEAT PUMP AIR CONDITIONERS NOTE This manual describes only service data of the indoo...

Page 2: ...Z RP100 125 140 200 250YKA PUH P71 100VHA PUH P71 100 125 140YHA PU P71 100VHA PU P71 100 125 140YHA SUZ KA VA TH SUZ KA35 50 60VAR2 TH SUZ KA71VA1 MXZ 8A140VA3 Service Manual No OC334 OC337 OC338 OC339 PUHZ P100 125 140VHA UK PUHZ P100 125 140VHA3 UK OC359 OC336 OC322 OC322 OC379 OC316 OCB451 OCH451 OCH415 OCB415 PUHZ P200 250YHA3 OCH424 OCB424 PUHZ HRP71 100VHA2 PUHZ HRP100 125YHA2 OCH425 OCB425...

Page 3: ... tools are necessary to use R410A refrigerant Handle tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum p...

Page 4: ...for R410A Use pressure performance of 5 09MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment PART NAMES AND FUNCTIONS 3 Indoor Unit Air intake sucks the air insid...

Page 5: ... room temperature display range is 8 39 C The display blinks if the temperature is less than 8 C or 39 C 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 Se...

Page 6: ...gh m3 min CFM External static pressure Pa Booster heater kW Operation control Thermostat Sound pressure level Low Mid High dB A Field drain pipe O D mm in Dimensions W mm in D mm in H mm in kg lbs INDOOR UNIT Weight 35Pa 50Pa 70Pa 100Pa 150Pa PEAD RP35JA L Cooling 0 09 0 07 0 64 0 53 Heating 0 07 0 53 Single phase 50 60Hz 220 240V Galvanized sheets Plate fin coil Sirocco fan 1 0 085 10 0 12 0 14 0...

Page 7: ...d High m3 min CFM External static pressure Pa Booster heater kW Operation control Thermostat Sound pressure level Low Mid High dB A Field drain pipe O D mm in Dimensions W mm in D mm in H mm in kg lbs INDOOR UNIT Weight 35Pa 50Pa 70Pa 100Pa 150Pa PEAD RP70JA L Cooling 0 17 0 15 1 28 1 17 Heating 0 15 1 17 Single phase 50 60Hz 220 240V Galvanized sheets Plate fin coil Sirocco fan 2 0 121 17 5 21 0 ...

Page 8: ...ntrol Thermostat Sound pressure level Low Mid High dB A Field drain pipe O D mm in Dimensions W mm in D mm in H mm in kg lbs INDOOR UNIT Weight 35Pa 50Pa 70Pa 100Pa 150Pa PEAD RP140JA L Cooling 0 39 0 37 2 60 2 49 Heating 0 37 2 49 Single phase 50 60Hz 220 240V Galvanized sheets Plate fin coil Sirocco fan 2 0 244 32 0 39 0 46 0 1130 1377 1624 35 50 70 100 150 Remote controller built in 33 37 43 34...

Page 9: ...RP35JA L External static pressure 70Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 7 9 11 13 15 17 19 21 Airflow rate m 3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP35JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 7 9 11 13 15 17 19 21 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEA...

Page 10: ...tic pressure 70Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 9 1 4 1 9 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point 10 15 20 PEAD RP50JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 9 1 4 1 9 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point 10 15 20 PEAD RP50JA L External ...

Page 11: ...l static pressure 70Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP60JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP60JA L External static pres...

Page 12: ...static pressure 70Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP71JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP71JA L External stati...

Page 13: ...e 70Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 10 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP100JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 10 15 20 25 30 35 40 45 Airflow rate m 3 min External static pressure Pa Middle Low High Limit Rated point PEAD R...

Page 14: ...50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP125JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD ...

Page 15: ...60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD RP140JA L External static pressure 100Pa 220 240V 50 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit Rated point PEAD...

Page 16: ...65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle...

Page 17: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 18: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 19: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 20: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 21: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 22: ... 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 0 0 5 0 10 0 15...

Page 23: ...9 21 G 18 210 40 122 33 15 58 57 10 100 100x E 1 F A B Suspension bolt pitch 643 Suspension bolt pitch 30 20 D Duct 178 Duct 40 23 10 238 32 700 732 136 67 356 100 41 217 NOTE 1 Use M10 screw for the Suspension bolt field supply 2 Keep the service space for the maintenance at the bottom 3 This chart indicates for PEAD RP60 71 100 125 140JA models which have 2 fans PEAD RP35 50JA models 4 In case o...

Page 24: ...F A B Suspension bolt pitch C 23 643 Suspension bolt pitch 30 20 D Duct 178 Duct 40 23 10 32 700 732 136 67 356 100 217 32 0 10 Actual length J 6 K 11 Kx L 1 M 112 J 112 N ø 2 9 More than 20mm More than 10mm 5 0 2 5 0 3 0 0 4 5 0 5 0 H 7 7 7 4 5 0 M o r e t h a n 3 0 0 accessory Drain hose I D ø32 Make the access door at the appointed position properly for service maintenance Ceiling surface Acces...

Page 25: ...itch LED Transmission indoor outdoor Float switch Arrester FS ACL ZNR01 02 X01 F01 DSA CN41 CN51 CN2L NAME SW1 SW2 CN32 I B SYMBOL SYMBOL NAME SWE TH1 Intake air temp Thermistor TH2 Pipe temp Thermistor liquid TH5 Cond eva temp Thermistor LED1 LED2 LED3 Connector Lossnay LED Power supply NAME SYMBOL Terminal block Remote controller transmission line Terminal block Indoor outdoor connecting line TB...

Page 26: ...temperature Liquid Distributor with strainer 50 Thermistor TH5 Cond Eva temperature Thermistor TH1 Room temperature Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare ...

Page 27: ...E7 Indoor outdoor unit communication error P4 Drain sensor error P5 Drain pump error P6 Freezing Overheating protection operation EE Communication error between indoor and outdoor units P8 Pipe temperature error E0 E3 E5 Remote controller transmission error E1 E2 Remote controller control board error Fb Indoor unit control system error memory error etc E9 Indoor outdoor unit communication error Tr...

Page 28: ...lection Correct operation For description of each LED LED1 2 3 provided on the indoor controller refer to the following table LED1 power for microcomputer Indicates whether control power is supplied Make sure that this LED is always lit LED2 power for remote controller Indicates whether power is supplied to the remote controller This LED lights only in the case of the indoor unit which is connecte...

Page 29: ...nit thermistors Compressor overcurrent interruption When compressor locked Abnormal high discharging temperature 49C worked insufficient refrigerant Abnormal high pressure 63H worked Overheating safeguard operation Abnormal temperature of heat sink Outdoor unit fan protection stop Compressor overcurrent interruption Abnormal of power module Abnormality of super heat due to low discharge temperatur...

Page 30: ...roller LED 3 communication between indoor and outdoor units AUTO RESTART FUNCTION Indoor controller board This model is equipped with the 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 p...

Page 31: ...ics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 6 5 Turn the power on again and check restart after inserting connector again 4 Check pipe liquid temperature with remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defective 5 Check pipe liquid tem...

Page 32: ...tor is defective Indoor controller board is defective 5 Defective outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit clogs 8 Bypass circuit of outdoor unit is defective Cooling or drying mode 1 Check clogging of the filter 2 Remove shields 4 Refer to 6 7 DC Fan motor FAN MOTOR INDOOR CONTROLLER BOARD 5 Check outdoor fan motor 67 Check operating condition of refrigerant...

Page 33: ... not the above mentioned problem of 1 3 4 Diagnose remote controllers a When RC OK is displayed Remote controllers have no problem Turn the power off and on again to check If abnormality generates again replace indoor controller board b When RC NG is displayed Replace remote controller c When RC E3 is displayed d When ERC 00 06 is displayed c d Noise may be causing abnormality If the unit is not n...

Page 34: ...troller circuit board to transmit signals Error Code Abnormal point and detection method Cause Countermeasure Fb Indoor controller board Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board 1 Defective indoor controller board 1 Replace indoor controller board E1 or E2 Remote controller control board 1 Abnormal if data cannot be read normal ly from the...

Page 35: ...board is defective 2 LED2 on indoor controller board is blinking When LED1 on indoor controller board is also blinking Connection failure of indoor outdoor unit connecting wire When LED1 is lit 1 Mis wiring of remote controller wires Under twin triple indoor unit system 2 or more indoor units are wired together 2 Refrigerant address for outdoor unit is wrong or not set Under grouping control syste...

Page 36: ... indoor power board CNXC2 Connect to the indoor power board 1 VFG Voltage on the side of PC51 and C25 Same with the voltage between 7 and 4 of CNMF VCC Voltage between the C25 pins 15 VDC Same with the voltage between 5 and 4 of CNMF Vsp Voltage between the C53 pins 0VDC with the fan stopped 1 6 5VDC with the fan in operation Same with the voltage between 6 and 4 of CNMF CND CNP CNXB1 CNXC1 CNXA1 ...

Page 37: ...standard HA terminal A CN44 Thermistor liquid condenser evaporator temperature CN4F Float thermistor CN20 Thermistor Inlet temperature CN3C Indoor outdoor transmission 0 24VDC CN90 Wireless remote controller CNXA2 Connect to the indoor controller board CNXB2 Connect to the indoor controller board CNXC2 Connect to the indoor controller board CNXA1 Connect to the indoor power board CNXB1 Connect to ...

Page 38: ...r Board with build in motor Current detecting resistor Regulator Hall IC Motor winding Power device Pre driver Vm Power supply for motor Vcc Power supply for control Vsp Speed command voltage PG Pulse output for rotation GND 10 7 Thermistor 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance K Thermistor Characteristic graph Room temperature thermistor T...

Page 39: ...tor CNMF Measure the voltage in the indoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC DC310 340V TEST POINT 2 VCC between 5 and 4 of the fan connector VCC DC15V Wiring recovery Replace drain pump DP Replace indoor controller board Replace the fan motor Replace indoor controller board I B Replace fan motor MF Replace indoor controller board Replace the fan mo...

Page 40: ...s the jumper line is disco nnected There is no jumper JP1 because these models have the cond eva temperature thermistor TH5 Marks in the table below Jumper wire Short Open Without TH5 With TH5 Model JP1 Factory shipment Service parts Indoor controller board type JP3 1 2 3 4 5 ON OFF Service board MODELS 1 2 3 4 5 1 2 3 4 5 PEAD RP35JA L ON OFF PEAD RP50JA L 1 2 3 4 5 ON OFF PEAD RP60JA L ON OFF 1 ...

Page 41: ...control box cover 1 Remove the two fixing screws on the cover A to remove it 2 Thermistor Intake air 1 Remove the control box cover according to the procedure in section 1 1 Pull out the thermistor holder B and thermis tor C on the control box A Fig 1 Fig 2 B C Fig 3 DISASSEMBLY PROCEDURE 11 Exercise caution when removing heavy parts ...

Page 42: ...ilter and the bottom plate 1 Push up the tab on the filter and pull out the filter in the direction of the arrow 1 2 Remove the fixing screws on the bottom plate D E to remove it 2 Removing the drainpan 1 Pull out the drain pan in the direction of the arrow 2 D E Fig 4 Fig 5 ...

Page 43: ...ng the Heat exchanger cover 1 Remove the four fixing screws on the heat exchanger cover F to remove it 3 Removing the thermistor 1 Remove the thermistor G from the thermistor holder H on the copper tube Thermistor size Liquid pipe ø8mm Condenser evaporator ø6mm F Fig 6 G H Fig 7 Exercise caution when removing heavy parts ...

Page 44: ... case fixing screws to take the top half of the fan casing off Fig 11 Exercise caution when removing heavy parts 2 Removing the fan casing bottom half 1 Squeeze the tabs on the fan casing to remove it in the direction of arrow 2 Fig 9 5 Fan and fan motor 1 Removing the filter and the bottom plate 1 Push down the tab on the filter and pull out the filter in the direction of the arrow 1 2 Remove the...

Page 45: ...heat exchanger cover according to the procedure in section 4 2 3 Removing the cover 1 Remove the five fixing screws on the cover K to remove it 4 Removing the Heat exchanger 1 Remove the fixing screws on the heat exchanger L to remove it K Fig 12 L Fig 13 Exercise caution when removing heavy parts ...

Page 46: ...New publication effective Apr 2009 Specifications subject to change without notice HWE08130 Printed in Japan TM ...

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