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SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS

No. OCH528

  CONTENTS

  1. REFERENCE MANUAL .................................. 2
  2. SAFETY PRECAUTION .................................. 3
  3. PART NAMES AND FUNCTIONS ................... 5
  4. SPECIFICATIONS ........................................... 7
  5. NOISE CRITERION CURVES ......................... 9
  6. OUTLINES AND DIMENSIONS ..................... 10
  7. WIRING DIAGRAM ........................................ 11
  8. REFRIGERANT SYSTEM DIAGRAM ........... 12
  9. TROUBLESHOOTING ................................... 13
10. SPECIAL FUNCTION .................................... 23
11. DISASSEMBLY PROCEDURE ...................... 26

[Service Ref.]

PSA-RP71KA
PSA-RP100KA
PSA-RP125KA
PSA-RP140KA

October 2012

Note:
•  This manual describes only 

service data of the indoor 
units.

• RoHS compliant products 

have <G> mark on the spec 
name plate.

 PARTS CATALOG (OCB528)

Model name
indication

Indoor unit

[Model names]

PSA-RP71KA

PSA-RP100KA

PSA-RP125KA

PSA-RP140KA

Содержание Mr.SLIM PSA-RP100KA

Страница 1: ...IONS 10 7 WIRING DIAGRAM 11 8 REFRIGERANT SYSTEM DIAGRAM 12 9 TROUBLESHOOTING 13 10 SPECIAL FUNCTION 23 11 DISASSEMBLY PROCEDURE 26 Service Ref PSA RP71KA PSA RP100KA PSA RP125KA PSA RP140KA October 2012 Note This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate PARTS CATALOG OCB528 Model name indication Indoor unit Model names PSA R...

Страница 2: ...3R1 UK PUHZ P100 125 140VHA3R2 UK PUHZ P125 140VHA3R3 UK PUHZ P100 125 140YHA UK PUHZ P100 125 140YHAR1 UK PUHZ P125 140YHAR2 UK PUHZ P100YHA2 UK OCH415 OCB415 PU H P71 100VHA 1 UK PU H P71 100VHA 2 UK PU H P71 100VHA 3 UK PU H P71 100 125 140YHA 1 UK PU H P71 100 125 140YHA 2 UK PU H P71 100 125 140YHAR3 UK PU H P125 140YHAR4 UK OC379 Series Outdoor unit Manual No PUHZ P VHA PUHZ P YHA OCS17 PU H...

Страница 3: ...ation of refrigerant oil etc Use the following tools specifically designed for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enter 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 ...

Страница 4: ...ylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase 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 performance of 5 ...

Страница 5: ... OFF FILTER CHECK OPERATION CLEAR TEST TEMP MENU BACK DAY MONITOR SET CLOCK ON OFF Set Temperature buttons Down Up Timer Menu button Monitor Set button Mode button Return button Set Time buttons Back Ahead Timer On Off button Set Day button Opening the cover ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button Oper...

Страница 6: ...s set Up Down Air Direction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Displayed if the airflow is set to weak and downward during COOL or DRY mode Operation varies according to model The indicator goes off after one hour at which time the airflow di rection also changes Room Temperature display Shows the room temperature Louver display Indicates...

Страница 7: ... 5 8 360 14 11 64 1 900 74 13 16 46 102 PSA RP71KA 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 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 Unit drain pipe O D Dimensions...

Страница 8: ... External static pressure Booster heater Operation control Thermostat Noise level Low Middle High Unit drain pipe O D Dimensions Weight W D H INDOOR UNIT PSA RP140KA Cooling 0 11 0 73 Heating 0 11 0 73 Single phase 50Hz 230V Munsell 0 70Y 8 59 0 97 Plate fin coil Centrifugal direct 1 0 16 25 28 31 893 1 000 1 107 0 direct blow Remote controller built in 45 49 51 20 13 16 600 23 5 8 360 14 11 64 1 ...

Страница 9: ...QUENCIES Hz PSA RP100KA NOTCH High Middle Low SPL dB 50 49 45 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002 μbar BAND CENTER FREQUENCIES Hz PSA RP125KA NOTCH High Middle Low SPL dB 51 49 45 LINE NOISE CRITERION CURVES 5 1m 1m unit about 1 4m ...

Страница 10: ...ing and wiring 140 80 oval Knockout hole for wiring 27 Provided on both sides Knockout hole for refrigerant and drainage 90 60 oval Provided on both sides Controller Metal fixture against overturning Knockout hole for branch duct Front side Rear side 240 10 38 38 15 111 77 115 70 260 100 or more 100 or more 5 or more 140 20 245 66 47 95 461 22 123 714 99 254 120 277 218 201 120 600 50 360 310 10 1...

Страница 11: ... LED1 t t t TH2 TH5 TH1 TRANSMISSION WIRE DC12V TB6 R B I B 1 4 2 1 2 1 2 1 1 2 SW5 ON OFF 1 2 3 4 5 6 7 8 7 4 1 X1 ML M 1 3 MF LOUVER CNP BLU FUSE POWER SUPPLY 1PHASE 230V 50Hz YLW ORG ORG BRN YLW ORG INDOOT OUTDOOR COMMUNICATION CN3C BLU FAN MOTOR CNMF WHT MS 1 3 1 3 5 3 1 OUTDOOR CN01 BLK WIRELESS CN90 WHT TB4 S1 S2 S3 2 BLK TO OUTDOOR UNIT CN01 BLK CN3C BLU 1 3 5 BLU GRN YLW RED ORG YLW YLW I ...

Страница 12: ...th strainer 50 Condenser evaporator temperature thermistor TH5 Room temperature thermistor TH1 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 OCH528 ...

Страница 13: ...e trouble according to TROUBLESHOOTING BY INFERIOR PHENOMENA 9 3 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 and wiring rela...

Страница 14: ...aracteristics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 9 6 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...

Страница 15: ...g SW2 of outdoor controller circuit board as follows 23Check converse connection of extension pipe or converse wiring of indoor outdoor unit connecting wire Conduct temperature check with outdoor controller circuit board after connecting A Control Service Tool PAC SK52ST P9 Pipe temperature thermistor Condenser Evaporator TH5 1 The unit is in 3 minute resume protection mode if short open of thermi...

Страница 16: ...4 6 Diagnose remote controller a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check When becoming abnormal again replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 or ERC 00 66 is displayed noise may be causing abnormality 1 Contact failure at transmission wire of remote controller 2 All remote controlle...

Страница 17: ...he indoor outdoor connecting wires 8 Check the room temperature display of remote controller Check the indoor liquid pipe temperature display of outdoor controller board Indoor outdoor unit communication error Transmitting error Abnormal if 1 receiving is detected 30 times continuously though indoor controller board has transmitted 0 1 Defective transmitting receiving circuit of indoor controller ...

Страница 18: ...etween indoor controller board and indoor power board Check the fuse on indoor controller board If no problems are found indoor controller board is defective When LED1 on indoor controller board is lit 1 Mis setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant address 0 1 Reconfirm the setting of refrigerant address for outdoor unit Set the refrigerant addr...

Страница 19: ...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 refrigerant addresses are 0 in one group set one of the units to 0 using SW1 3 6 on outdoor controller circuit board 34 Remove remote controller wires and check LED2 on indoor controller board When LED2 is blinking check the short cut of remote c...

Страница 20: ...troller circuit board and fan motor Self check Symptom The indoor fan cannot rotate Wiring contact check Contact of fan motor connector CNMF No No NG Power supply check Remove the connector CNMF Measure the voltage in the indoor controller circuit board TEST POINT VDC between 1 and 4 of the fan connector VDC DC 280 V TEST POINT VCC between 5 and 4 of the fan connector VCC DC 15 V Wiring recovery R...

Страница 21: ...A CN22 Remote controller connecting wire 10 4 14 6V DC CNP Louver motor output 220 240V AC CN01 Connect to the Terminal Block TB4 Indoor outdoor connecting line Between 3 and 5 220 240V AC SWE Emergency operation Jumper wire J41 J42 Pair No setting for wireless remote controller FUSE 6 3A 250V CNMF Fan motor 1 4 DC 310 340V 5 4 DC15V VSP Voltage between pins of C626 DC0V FAN stop DC1 6 5V FAN oper...

Страница 22: ...41 J42 are given in the table on the left in the table indicates 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 For product Service parts Indoor controller board type JP3 1 2 3 4 5 ON OFF Manufacture Service MODELS 1 2 3 4 5 1 2 3 4 5 PSA RP71KA ...

Страница 23: ...val 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 occurs to one unit another unit will start operation Back up function System constraint This function is available only by the grouping control system INDOOR UNIT OUTDOOR UNIT 1 1 of 2 refrigerant groups Refer to Fig...

Страница 24: ...rval 1day and back up function No 5 314 Rotation ON Alternating interval 3day and back up function No 6 315 Rotation ON Alternating interval 5day and back up function No 7 316 Rotation ON Alternating interval 7day and back up function No 8 317 Rotation ON Alternating interval 14day and back up function No 9 318 Rotation ON Alternating interval 28day and back up function Setting No Request code Set...

Страница 25: ... 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 display a...

Страница 26: ...nectors on the indoor controller board See Photo 3 4 Unhook the 6 catches of the controller case by opening and remove the indoor controller board See Photo 3 3 Removing the room temperature thermistor 1 Remove the intake grille Refer to Procedure 1 2 Remove the electrical parts cover Refer to Procedure 2 3 Remove the room temperature thermistor See Photo 2 4 Disconnect the red connector CN20 on t...

Страница 27: ... motor nuts and remove the indoor fan motor 8 Disconnect the white connector CNMF on the indoor controller board Photo 4 1 Nuts Indoor fan motor Screws of wiring cover Wiring cover 5 Removing the front panel 1 Remove the intake grille Refer to Procedure 1 2 Remove the electrical parts cover Refer to Procedure 2 3 Disconnect the blue connector CN22 on the indoor controller board 4 Remove the 2 scre...

Страница 28: ... Procedure 2 3 Remove the front panel Refer to Procedure 5 4 Remove the swing louver See Photo 6 1 5 Remove the 10 screws of the insulation panel and remove the insulation panel 6 Remove the screw of the piping cover and remove the piping cover 7 Remove the indoor coil thermistor from the holder on the copper pipe 8 Disconnect the connector CN44 on the indoor controller board Photo 6 1 Photo 6 2 P...

Страница 29: ...port 9 Remove the 4 screws of the indoor heat exchanger 10 Remove the indoor heat exchanger 9 Removing the drain pan 1 Remove the intake grille Refer to Procedure 1 2 Remove the front panel Refer to Procedure 5 3 Remove the swing louver See Photo 6 1 and 6 2 4 Remove the top panel See Photos 6 1 5 Remove the insulation panel See Photo 7 1 6 Remove the electrical parts cover electrical parts box an...

Страница 30: ... MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2012 MITSUBISHI ELECTRIC CORPORATION Distributed in Oct 2012 No OCH528 Made in Japan New publication effective Oct 2012 Specifications are subject to change without notice TM ...

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