Mitsubishi Electric PSA-RP100GA Service Manual Download Page 33

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OPERATING

PROCEDURE

PHOTOS

5. Removing the front panel

(1) Remove the intake grille.
(2) Remove the 2 screws at the lower part of the
front

panel.

(3) Pull the front panel down to remove.
(4) Disconnect the blue connector of the controller.

6. Removing the louver motor

  (1) Remove the intake grille.
  (2) Remove the front panel.
  (3) Remove the 5 screws of the swing louver and

remove the swing louver.

(4) Remove the 2 screws of the louver motor and

remove the louver motor.

(5) Remove the electrical parts cover.
(6) Disconnect the yellow connector CNL (LOUVER)

on the indoor controller board.

7. Removing the indoor coil thermistor

  (1) Remove the intake grille.
  (2) Remove the front panel.
  (3) Remove the 10 screws of the insulation panel

and remove the insulation panel .

(4) Remove the swing louver.
(5) Remove the screw of the piping cover and

remove the piping cover.

(6) Remove the indoor coil thermistor from the

holder on the copper pipe.

(7) Remove the electrical parts cover.
(8) Disconnect the connector CN21 on the indoor
controller

board.

Photo 5

Photo 6

Photo 7

Photo 8

Photo 9

Swing louver

Controller

Screws

Top panel

Front panel

Swing
louver
screws

Screws

Swing
louver

Swing louver

Piping cover

Screw

Insulation panel

Indoor heat
exchanger

Indoor coil
thermistor

Screws

Louver motor

Summary of Contents for PSA-RP100GA

Page 1: ...4 RoHS PARTS LIST 39 Indoor unit Model names Service Ref PSA RP71GA PSA RP71GA PSA RP71GA 1 PSA RP100GA PSA RP100GA PSA RP100GA 1 PSA RP125GA PSA RP125GA PSA RP125GA 1 PSA RP140GA PSA RP140GA PSA RP140GA 1 PSH P71GAH PSH P71GAH PSH P100GAH PSH P100GAH PSH P125GAH PSH P125GAH PSH P140GAH PSH P140GAH May 2008 Note This manual describes only service data of the indoor units RoHS compliant products ha...

Page 2: ...PUHZ P100 125 140VHA UK OC359 PUHZ RP71 100 125 140VHA2 1 PUHZ RP100 125 140YHA2 1 PUHZ RP71 100VHA3 PUHZ RP100YHA3 OC374 PU H P71 100VHA 1 UK PU H P100 125 140YHA 1 UK OC379 PUHZ P100 125 140VHA2 1 UK OCH415 OCB415 PUHZ RP71 100 125 140VHA2 A PUHZ RP100 125 140YHA2 A OCH422 OCB422 PUHZ BP100 125 140VHA A PUHZ BP200 250YHA A OCH423 OCB423 PUHZ P200 250YHA2 OCH424 OCB424 PUHZ HRP71 100VHA PUHZ HRP1...

Page 3: ...seal the system the composition of the refrigerant in the cylinder will change and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the lubricant deterioration Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the lubricant deteriorat...

Page 4: ...frigerant recovery equipment 2 Refrigerant recharging 1 Refrigerant recharging process 1Direct charging from the cylinder R407C cylinder are available on the market has a syphon pipe Leave the syphon pipe cylinder standing and recharge it By liquid refrigerant 2 Recharge in refrigerant leakage case After recovering the all refrigerant in the unit proceed to working Do not release the refrigerant i...

Page 5: ...fically 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 of refrigera nt will change and the efficiency will be low...

Page 6: ...NF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge 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 equ...

Page 7: ...A ON 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 door ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button O...

Page 8: ... timer is 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 I...

Page 9: ... 8 270 10 5 8 1 900 74 13 16 43 98 PSA RP71GA PSA RP71GA 1 kW A 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 Starting current External finish Heat exchanger Fan Fan drive No Fan motor output Airflow Low High External static pressure Booster heater Operation control Thermostat Noise level Low High Unit drain pipe O...

Page 10: ...pressure Booster heater 1 Operation control Thermostat Noise level Low High Unit drain pipe O D Dimensions Weight W D H INDOOR UNIT Cooling 0 15 0 66 0 80 Heating 0 15 1 93 0 66 8 39 0 80 8 39 Single phase 50Hz 230V Munsell 0 70Y 8 59 0 97 Plate fin coil Centrifugal direct 1 0 03 15 18 530 635 0 direct blow 1 93 Remote controller built in 40 45 20 13 16 600 23 5 8 270 10 5 8 1 900 74 13 16 45 99 P...

Page 11: ...level Low High Unit drain pipe O D Dimensions Weight W D H INDOOR UNIT PSH P125GAH Cooling 0 36 1 59 2 10 Heating 0 36 2 76 1 59 12 00 2 10 12 00 Single phase 50Hz 230V Munsell 0 70Y 8 59 0 97 Plate fin coil Centrifugal direct 1 0 11 27 35 955 1 240 0 direct blow 2 76 Remote controller built in 47 52 20 13 16 600 23 5 8 350 13 3 4 1 900 74 13 16 55 121 kW A A kW min CFM Pa mmAq kW dB mm in mm in m...

Page 12: ...APPROXIMATE THRESHOLD OF REARING 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 RP100GA PSA RP100GA 1 PSH P100GAH NOTCH High Low SPL dB 49 44 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF REARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE B...

Page 13: ...OXIMATE THRESHOLD OF REARING 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 RP140GA PSA RP140GA 1 PSH P140GAH NOTCH High Low SPL dB 52 47 LINE 1m 1m unit about 1 4m MICROPHONE floor ...

Page 14: ...le for piping and wiring 140 80 oval 20 105 Terminal block for indoor outdoor connection Electrical parts box Liquid pipe 9 52 3 8F 1 Service access allows for insertion of screw driver 2 Adjustable Gas pipe 15 88 5 8F Drain pipe Terminal block for heater power supply Only PSH P GAH 95 461 22 47 Front side Rear side Knockout hole for bottom fixing Knockout hole for under piping Knockout hole for u...

Page 15: ...ew driver 2 Adjustable Gas pipe 15 88 5 8F 19 05 3 4F Drain pipe 95 461 22 47 Front side Rear side Knockout hole for bottom fixing Knockout hole for under piping Knockout hole for under piping 120 70 oval 277 120 20 218 255 140 77 201 120 95 40 66 261 100 or more 100 or more 2 5 or more 1 300 or more Front 1 000 or more 10 VIEW A A Terminal block for indoor outdoor connection Terminal block for he...

Page 16: ...AH ON OFF P B INDOOR POWER BOARD SYMBOL NAME SYMBOL NAME SYMBOL NAME I B I B INDOOR CONTROLLER BOARD FUSE FUSE T6 3AL250V ZNR VARISTOR CN2L CONNECTOR LOSSNAY CN32 CONNECTOR REMOTE SWITCH CN41 CONNECTOR HA TERMINAL A CN51 CONNECTOR CENTRALLY CONTROL SW1 SWITCH MODEL SELECTION See Table 1 SW2 SWITCH CAPACITY CODE See Table 2 SWE SWITCH EMERGENCY OPERATION X4 RELAY FAN MOTOR X5 RELAY FAN MOTOR X6 REL...

Page 17: ...H Pipe temperature thermistor liquid TH2 Distributor with 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 9 ...

Page 18: ...f the trouble according to TROUBLESHOOTING BY INFERIOR PHENOMENA 10 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...

Page 19: ... again to operate after check Room temperature thermistor TH1 1 The unit is in 3 minute resume prevention mode if short open of thermistor is detected Abnormal if the unit does not reset normally after 3 min utes The unit returns to normal opera tion if it has been reset normally 2 Constantly detected during cooling drying and heating operation Short 90 or more Open 40 or less 1 Defective thermist...

Page 20: ...nge 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 10 6 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit ...

Page 21: ...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 22: ...Contact failure short circuit or miswiring converse wiring of indoor outdoor unit connecting wire 2 Defective transmitting receiving circuit of indoor controller board 3 Defective transmitting receiving circuit of indoor controller board 4 Noise has entered into indoor outdoor unit connecting wire Check LED display on the outdoor control circuit board Connect A control service tool PAC SK52ST Refe...

Page 23: ...on between 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 ...

Page 24: ...r wires 4 Defective remote 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...

Page 25: ...nal or Relay connector 71 112 1 22 1 41 0 178 5 100 91 5 18 0 29 6 174 9 Normal Abnormal Open or short White Brown Brown Black Black Blue Blue Yellow Yellow Red Motor terminal or Relay connector 125 28 0 6 9 13 3 8 4 53 6 140 21 7 7 8 14 3 7 7 54 4 Normal Measure the resistance between the terminals using a tester Surrounding temperature 25 Louver motor ML Normal 11000 13000 Abnormal Open or short...

Page 26: ...25GA PSA RP140GA PSA RP71GA 1 PSA RP100GA 1 PSA RP125GA 1 PSA RP140GA 1 PSH P71GAH PSH P100GAH PSH P125GAH PSH P140GAH CNSK Connect to the indoor controller board CNDK Between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D Between 1 to 3 12 6 13 7V DC Pin1 ...

Page 27: ...ity setting SW1 Model setting CN2L Connector LOSSNAY CN51 Centrally control CN6V Vane motor output MV CN90 Connect to the wireless remote controller board CNB CN31 Drain sensor DS CN29 Condenser evaporator temperature thermistor TH5 CN21 Pipe temperature thermistor Liquid TH2 CN20 Room temperature thermistor TH1 CN22 Remote controller connecting wire 10 4 14 6V DC LED3 Transmission Indoor outdoor ...

Page 28: ...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 Service board MODELS 1 2 3 4 5 1 2 3 4 5 PSA RP71GA PSH P71GAH 1 2 3 4 5 ON OFF PSA RP100GA PSH P100...

Page 29: ...terval 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 control system INDOOR UNIT OUTDOOR UNIT 1 1 of 2 refrigerant groups Refer to...

Page 30: ...interval 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...

Page 31: ...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 32: ... Disconnect the red connector CN20 on the indoor controller board 4 Removing the indoor fan and the indoor fan motor 1 Remove the intake grille 2 Remove the fan GUARD 3 Turn the bell mouth clockwise to remove 4 Remove the fan nut and the washer 5 Pull out the indoor fan See Photo 2 6 Remove the 2 screws of the wiring cover and remove the wiring cover 7 Remove the 4 fan motor nuts and remove the in...

Page 33: ... indoor controller board 7 Removing the indoor coil thermistor 1 Remove the intake grille 2 Remove the front panel 3 Remove the 10 screws of the insulation panel and remove the insulation panel 4 Remove the swing louver 5 Remove the screw of the piping cover and remove the piping cover 6 Remove the indoor coil thermistor from the holder on the copper pipe 7 Remove the electrical parts cover 8 Disc...

Page 34: ...cal parts box 7 Remove the 3 screws of the drain pan support and remove the drain pan support 8 Remove the 4 screws of the indoor heat exchanger to remove it 10 Removing the drain pan 1 Remove the intake grille 2 Remove the front panel 3 Remove the insulation panel 4 Remove the top panel 5 Remove the swing louver 6 Remove the electrical parts box and the drain pan support 7 Remove the pipe support...

Page 35: ...OR SCROLL SCROLL DRAIN HOSE SPL WASHER FAN GUARD BELL MOUTH SIROCCO FAN SIROCCO FAN THERMISTOR ROOM TEMPERATURE POWER BOARD INDOOR CONTROLLER BOARD HEATER THERMAL SWITCH THERMAL FUSE HEATER ELEMENT HEATER ELEMENT THERMISTOR PIPE TEMPERATURE THERMISTOR COND TEMPERATURE HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEATER GUARD INSULATOR INSULATOR 250V 6 3A 3 5 440V 4 0 440V S1 S2 S3 L N LY 3F 12VDC ...

Page 36: ...36 FUNCTIONAL PARTS PSH P125GAH PSH P140GAH PSA RP125GA PSA RP140GA 17 18 22 20 19 15 9 4 8 7 5 1 2 6 3 14 16 13 10 12 11 21 ...

Page 37: ...TERMINAL BLOCK HEATER RELAY FAN MOTOR FAN MOTOR SCROLL DRAIN HOSE SPL WASHER FAN GUARD BELL MOUTH SIROCCO FAN THERMISTOR ROOM TEMPERATURE POWER BOARD INDOOR CONTROLLER BOARD HEATER THERMAL SWITCH THERMAL FUSE HEATER ELEMENT THERMISTOR PIPE TEMPERATURE THERMISTOR COND TEMPERATURE HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER INSULATOR INSULATOR 250V 6 3A 5 0 440V S1 S2 S3 L N LY 3F 12...

Page 38: ...1 1 8 1 1 1 6 1 1 1 1 1 R B ML R01 71G 676 R01 85G 676 T7W E00 662 T7W E01 662 R01 71G 686 R01 85G 686 R01 71G 661 R01 85G 661 R01 E12 691 R01 A28 500 T7W E09 713 R01 71G 651 R01 71G 035 T7W E00 035 R01 71G 019 T7W 87J 003 T7W E00 003 R01 71G 021 R01 71G 038 T7W E00 038 T7W 87J 222 R01 71G 060 R01 71G 641 R01 85G 641 R01 12G 523 R01 87J 097 REAR PANEL REAR PANEL SIDE PANEL L SIDE PANEL L BASE BASE...

Page 39: ... 90G 117 SCROLL 1 1 1 G R01 91G 117 SCROLL 1 1 1 9 G R01 80G 527 DRAIN HOSE 1 1 1 1 1 1 10 G R01 09K 097 SPL WASHER 1 1 1 1 1 1 11 G R01 A30 675 FAN GUARD 1 1 1 1 1 1 12 G R01 E04 119 BELL MOUTH 1 1 1 1 1 1 13 G R01 E31 114 SIROCCO FAN 1 1 1 G R01 E27 114 SIROCCO FAN 1 1 1 14 G R01 901 202 THERMISTOR ROOM TEMPERATURE 1 1 1 1 1 1 TH1 15 G R01 E38 313 POWER BOARD 1 1 1 1 1 1 P B 16 G T7W E51 310 IND...

Page 40: ...40 FUNCTIONAL PARTS PSH P125GAH PSA RP125GA PSA RP125GA 1 PSH P140GAH PSA RP140GA PSA RP140GA 1 17 18 22 20 19 15 9 4 8 7 5 1 2 6 3 14 16 13 10 12 11 21 ...

Page 41: ...0 675 FAN GUARD 1 1 1 1 1 1 12 G R01 E04 119 BELL MOUTH 1 1 1 1 1 1 13 G R01 E27 114 SIROCCO FAN 1 1 1 1 1 1 14 G R01 901 202 THERMISTOR ROOM TEMPERATURE 1 1 1 1 1 1 TH1 15 G R01 E38 313 POWER BOARD 1 1 1 1 1 1 P B 16 G T7W E51 310 INDOOR CONTROLLER BOARD 1 1 1 1 I B G T7W E74 310 INDOOR CONTROLLER BOARD 1 1 I B 17 G R01 E12 700 HEATER THERMAL SWITCH OFF80 C ON60 C 1 1 26H 18 G T7W 25J 706 THERMAL...

Page 42: ... 035 R01 90G 019 T7W E14 003 T7W E15 003 R01 90G 021 R01 90G 038 T7W E01 038 T7W E03 222 R01 90G 060 R01 90G 641 R01 91G 641 R01 E02 523 R01 88J 097 REAR PANEL REAR PANEL SIDE PANEL L SIDE PANEL L BASE BASE SIDE PANEL R SIDE PANEL R INTAKE GRILLE AIR FILTER REMOTE CONTROLLER FRONT PANEL GUIDE VANE H GUIDE VANE H VANE ARM H SWING LOUVER SWING LOUVER VANE ARM V GUIDE VANE V GUIDE VANE V LOUVER MOTOR...

Page 43: ...43 ...

Page 44: ...ITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in May 2008 No OC332 REVISED EDITION B PDF 7 Distributed in Jul 2006 No OC332 REVISED EDITION A PDF 8 Distributed in Jun 2005 No OC332 PDF 9 Made in Japan New publication effective May 2008 Specifications subject to change without notice TM ...

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