Mitsubishi Electric Mr.Slim PKA-RP100KAL Service Manual Download Page 2

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REFERENCE MANUAL

Service Ref.

Service Manual No.

PUHZ-P200/250YHA3

OCH424/ OCB424

PUHZ-RP35/50/60/71VHA4
PUHZ-RP100/125/140VKA
PUHZ-RP100/125/140/200/250YKA

OCH451
OCB451

PU(H)-P71/100VHA#2.UK
PU(H)-P71/100/125/140YHA#2.UK

OC379

PUHZ-HRP100VHA2
PUHZ-HRP100YHA2

OCH425/ OCB425

OCH415/ OCB415

PUHZ-P100/125/140VHA3.UK

OUTDOOR UNIT’S SERVICE MANUAL

Summary of Contents for Mr.Slim PKA-RP100KAL

Page 1: ...AUTION 3 3 PART NAMES AND FUNCTIONS 4 4 SPECIFICATIONS 6 5 NOISE CRITERION CURVES 7 6 OUTLINES AND DIMENSIONS 8 7 WIRING DIAGRAM 9 8 REFRIGERANT SYSTEM DIAGRAM 10 9 TROUBLESHOOTING 11 10 SPECIAL FUNCTION 26 11 DISASSEMBLY PROCEDURE 29 Indoor unit Model names Service Ref WIRELESS REMOTE CONTROLLER ON OFF TEMP PARTS CATALOG OCB452 No OCH452 February 2009 INDOOR UNIT PKA RP60KAL PKA RP60KAL TH PKA RP...

Page 2: ...CH424 OCB424 PUHZ RP35 50 60 71VHA4 PUHZ RP100 125 140VKA PUHZ RP100 125 140 200 250YKA OCH451 OCB451 PU H P71 100VHA 2 UK PU H P71 100 125 140YHA 2 UK OC379 PUHZ HRP100VHA2 PUHZ HRP100YHA2 OCH425 OCB425 OCH415 OCB415 PUHZ P100 125 140VHA3 UK OUTDOOR UNIT S SERVICE MANUAL ...

Page 3: ...The following 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 s...

Page 4: ...harge hose Only 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 3 PART NAMES AND FUNCTIONS Emergency operation switch...

Page 5: ...play Displays whether timer is on or off Buttons used to set the hour and minute of the current time and timer settings h and min buttons display display FAN SPEED display indicates which fan speed has been selected display The vertical direction of air flow is indicated display Blinks when model is selected display display CHECK and TEST RUN display indicate that the unit is being checked or test...

Page 6: ...0 46 1 16 295 11 5 8 365 14 3 8 21 46 kW A kW min CFM Pa mmAq kW dB mm in mm in mm in mm in kg lbs Service Ref Mode Power supply phase cycle voltage Input Running current External finish Panel Heat exchanger Fan Fan drive No Fan motor output Airflow Low Middle High External static pressure Booster heater Operation control Thermostat Noise level Low Middle High Field drain pipe I D Dimensions Weigh...

Page 7: ...e 0Pa Power source 220 230 240V 50Hz 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 Octave band pressure level dB 0dB 20μPa Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Low 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 ...

Page 8: ...A remote controller option Emergency operation switch cooling heating Operation lamp DEFROST STAND BY lamp Receiver Knockout hole for right piping Mount board Right side 444 Gas pipe 482 Liquid pipe 585 Drain hose Filter hook Under side Vane auto Knockout hole for lower piping Louver manual Piping connection department Indoor unit outline Wall hole for right rear piping Knockout hole for left rear...

Page 9: ... X1 Drain float switch Sold separately Drain pump option CN4F Wired remote controller Terminal block Remote controller transmission line TB6 TH2 SW1 TH5 SW2 SWE LEGEND TO OUTDOOR UNIT 5 3 1 3 1 CN01 BLK ORN YLW BLU RED GRN YLW I B 1 Fig 1 I B TB2 POWER SUPPLY 1PHASE 230V 50Hz ORN ORN YLW BRN TB4 INDOOR OUTDOOR COMMUNICATION CN3C BLU L N S1 S2 S3 W B REC1 LED1 LED2 Pcb for wireless remote controlle...

Page 10: ...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 REFRIGERANT SYSTEM DIAGRAM 8 PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH ...

Page 11: ...oting by inferior phenomena The trouble is not reoccurring Logged Not logged Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring and etc Reset error code l...

Page 12: ...Procedure 1 Press the CHECK button twice 2 Press the temperature buttons 3 Point the remote controller at the sensor on the indoor unit and press the HOUR button 4 Point the remote controller at the sensor on the indoor unit and press the ON OFF button Malfunction diagnosis method at maintenance service 9 2 MALFUNCTION DIAGNOSIS METHOD BY REMOTE CONTROLLER In case of trouble during operation When ...

Page 13: ... flashes Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector CN4F open 5 P5 PA Drain pump error Forced compressor stop due to water leakage abnormality 6 P6 Freezing Overheating protection operation 7 E...

Page 14: ...ection device is not connected Reverse or open phase wiring for the outdoor unit s power terminal block L1 L2 L3 Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short Note Operation is not possible for about 30 seconds after cancellation of function selection Correct operation For description of each LED LED1 2 3 provided on the indoor contro...

Page 15: ...istics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 9 7 Turn the power on 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 temper...

Page 16: ...ance range 4 Defective indoor fan motor Fan motor is defective Indoor controller board is defec tive 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 clogs of the filter 2 Remove shields 4 Refer to 9 6 5 Check outdoor fan motor 67 Check operating condition of refrigerant ci...

Page 17: ...connecting remote control ler max 2 units When it is 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 or ERC 00 66 is dis played noise may be causing ...

Page 18: ... circuit board to transmit signals 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 Remote controller control board 1 Abnormal if data cannot be read nor mally from the nonvolatile memory of the remote controller control board Error code E1 2 Abnormal if ...

Page 19: ...nal block S1 and S2 When AC 220 240V is not detected check indoor outdoor unit connecting wire for miswiring When AC 220 240V is detected check 4 below 4 Check the fuse on indoor controller board Check the wiring connection If no problem are found indoor controller board is defective 1 Check the voltage of indoor power supply terminal block L N When AC220 240V is not detected check the power suppl...

Page 20: ...e controller Check indoor outdoor unit connecting wire for connection failure 1 Check the connection of remote con troller wires in case of twin triple indoor unit system When 2 or more indoor units are wired in one refrigerant system connect remote controller wires to one of those units 2 Check the setting of refrigerant address in case of grouping control system If there are some units whose ref...

Page 21: ...es as follows 1 Indoor fan is running at high speed 2 Drain up machine is working Note on the wireless remote control When the remote control does not function it is possible to activate Emergency Operation by using the indoor unit Emergency operation switch However if the indoor unit microcomputer has failed it is nesessary to proceed with points 2 and 3 below as in the case of the wired remote c...

Page 22: ...en the terminals using a tester Coil temperature 20 Normal 250 7 Abnormal Brown Red Brown Orange Brown Yellow Brown Green Open or short Fan motor MF Red Yellow Brown Orange Green Connect pin No M Refer to 9 6 2 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 TH1 Pipe temperature thermistor...

Page 23: ...fan connector VDC DC310 340V TEST POINT VCC between 4 and 3 of the fan connector VCC DC15V Wiring recovery Replace the indoor controller board Replace the fan motor Replace the indoor controller board Replace the fan motor Is the voltage normal Is there contact failure No Yes No Check the operation of fan END Yes OK Check the operation END OK Check method of DC fan motor fan motor indoor controlle...

Page 24: ... 15A 250V SWE Emergency operation connector SW1 Model selection SW2 Capacity setting CN151 Connect to the vane motor MV Jumper wire J41 J42 Pair No setting for wireless remote controller CN01 Connect to the Terminal block TB4 1 3 220 240VAC LED1 Power supply I B LED2 Power supply R B LED3 Transmission Indoor outdodr CN3C Transmission Indoor outdodr DC 0 24V CN4F Float switch FS option CN22 Connect...

Page 25: ... supported The pair number settings of the wireless remote controller and indoor control PCB J41 J42 are given in the table on the left in the table indicates the jumper wire is disco nnected Marks in the table below Jumper wire Short Open For product Service parts Indoor controller board type JP3 With JP3 Without JP3 MODELS SETTING PKA RP KAL MODELS SETTING PKA RP60KAL PKA RP71KAL PKA RP100KAL ON...

Page 26: ...ine of functions Main and sub unit operate alternately according to the interval of rotation setting w Main and sub unit should be set by refrigerant address Outdoor Dip switch setting Refrigerant address 00 Main unit Refrigerant address 01 Sub unit When error occurrs to one unit another unit will start operation Back up function System constraint This function is available only by the grouping co...

Page 27: ...on OFF Monitoring the request code of current setting Setting contents Rotation ON Alternating interval 28days and back up function Rotation ON Alternating interval 14days and back up function Rotation ON Alternating interval 1day and back up function Back up function only No 5 324 Rotation ON Alternating interval 7days and back up function Rotation ON Alternating interval 5days and back up functi...

Page 28: ...ars on the screen when Maintenance monitor is activated The display now allows you to set a request code No 4 Press the TEMP and buttons to select the desired refrigerant address 5 Press the CLOCK and buttons to set the desired request code No 311 318 321 324 6 Press the button to perform function setting If above setting operations are done correctly Request code number will appear in data displa...

Page 29: ...panel and the corner box Refer to 1 2 Remove the front and side electrical box covers each 1 screw See Photo 2 3 Disconnect the connectors on the indoor controller board See Photo 3 4 Remove the switch board holder and open the cover 5 Pull out the indoor controller board toward you then remove the indoor controller board and switch board See Photo 3 6 Remove the holder of wireless remote controll...

Page 30: ...Refer to 1 2 Remove the electrical box covers Refer to 2 3 Disconnect the vane motor connector CN151 on the indoor controller board 4 Pull out the drain hose from the nozzle assembly and remove nozzle assembly See Photo 5 Photo 4 Photo 5 Photo 6 5 REMOVING THE VANE MOTOR 1 Remove the nozzle assembly Refer to 4 2 Remove 2 screws of the vane motor unit cover and pull out the vane motor unit 3 Remove...

Page 31: ... 3 screws fixing the left side of the heat exchanger See Photo 9 10 Lift the heat exchanger and pull out the line flow fan to the lower left Photo 7 7 REMOVING THE LIQUID PIPE THERMISTOR AND COND EVA PIPE THERMISTOR 1 Remove the panel and the corner box Refer to 1 2 Remove the electrical box covers Refer to 2 3 Remove the water cut See Photo 2 4 Remove the liquid pipe thermistor and cond eva therm...

Page 32: ...orner box Refer to 1 2 Remove the electrical box covers 3 Remove the room temperature thermistor 4 Disconnect the connector CN20 on the indoor controller board Photo 11 Photo 12 Photo 13 Heat exchanger Water Cut HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Feb 2009 No OCH452 PDF 6 Made in Japan New pub...

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