Mitsubishi Electric PCA-RP125HAQ Скачать руководство пользователя страница 24 | Manualshive

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24

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9-6-2. Indoor controller board

PCA-RP71HAQ PCA-RP125HAQ

FAN
Fan motor output

CNP
Drain-pump output
(DP)
(220~240V AC)

CNC
Dew prevention
heater (H2)
(220~240V AC)

CNDK
Connect to the indoor
power board (CNSK)
(220~240V AC)

FUSE
(6.3A 250V)

CND
Power
supply input
(220~240V AC)

SWE
Emergency operation

SW2
Capacity setting

SW1
Model setting

CN2L
Connector
(LOSSNAY)

CN51
Centrally control

1

-

2

: Control signal

13V pulse input (

1

: +)

3

-

4

: Operation indicator

13VDC (

3

: +)

3

-

5

: Malfunction indicator

13VDC (

3

: +)

CN6V
Vane motor output
(MV)

CN90
Connect to the wire-
less 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)

LED2
Power supply
(R.B)

LED1
Power supply
(I.B)

CN2D
Connector to the indoor
power board (CN2S)
(12.5~13.7V DC)

CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)

}

}

+

+

–

CN41
Connector
(HA terminal-A)

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Содержание PCA-RP125HAQ

Страница 1: ...REFRIGERANT SYSTEM DIAGRAM 14 9 TROUBLESHOOTING 15 10 SPECIAL FUNCTION 26 11 DISASSEMBLY PROCEDURE 29 ON OFF TEMP SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPLIT TYPE AIR CONDITIONERS December 2010 Model name indication Note This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate For servicing of RoHS com pliant products refer to the RoHS ...

Страница 2: ...r the PAR 30MAA please refer to the instruction book included in PAR 30MAA box Service Ref Service Manual No PUHZ RP71VHA4 PUHZ RP125 140VKA PUHZ RP125 140 250YKA OCH451 OCB451 PU H P71VHAR3 UK PU H P71 125 140YHAR3 UK OC379 PUHZ P125 140VHA3R2 UK PUHZ P125 140YHAR1 UK OCH415 OCB415 PUHZ P250YHA3R2 OCH424 OCB424 Series Outdoor unit Manual No PUHZ RP HA4 PUHZ RP KA OCS16 PUHZ P VHA3 PUHZ P YHAR3 OC...

Страница 3: ...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 deterioration If dust dirt or water enters the refrigerant cycle deterioration of the oil and compressor trouble may ...

Страница 4: ... refrigerant Gravimeter Unit 1 Cautions for service After recovering the all refrigerant in the unit proceed to working Do not release refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant No Tool name Specifications 1 Gauge manifold Only for R407C Use the existing fitting SPECIFICATIONS UNF7 16 Use high tension side pressure ...

Страница 5: ...ra nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge manifold Torque wrench Gas leak detector Charge hose Tools for R410A Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrige...

Страница 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...

Страница 7: ...epeated by simply pressing the ON OFF button Operation buttons PAR 21MAA 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 cover ON OFF button Fan Speed button Filter button Enter button Test Run...

Страница 8: ...g timer is set Up Down Air Direction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Displays if the airflow is set to low 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 In...

Страница 9: ... 08 0 08 30 38 1 060 1 350 0 direct blow Remote controller built in 44 50 26 1 1 520 59 7 8 650 25 5 8 280 11 56 124 Cooling 0 09 0 43 0 86 Heating 0 09 0 43 0 86 Single phase 50Hz 230V Stainless steel Plate fin coil Sirocco fan direct 2 0 04 17 19 600 670 0 direct blow Remote controller built in 34 38 26 1 1 136 44 3 4 650 25 5 8 280 11 41 90 PCA RP71HAQ kW A A kW min CFM Pa mmAq dB mm in mm in m...

Страница 10: ...D CENTER FREQUENCIES Hz PCA RP71HAQ NOTCH High Low SPL dB 38 34 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 PCA RP125HAQ NOTCH High Low SPL dB 50 44 LINE 1m 1m unit about 1 4m MICROPHONE ceiling NOISE CRITERI...

Страница 11: ...ap to ceiling Allowing clearances gas liquid Suspension bolt 130 210 45 165 120 1224 1180 75 1136 986 1098 70 243 254 175 197 110 21 130 15 258 110 102 320 80 90 140 18 75 70 90 650 13 289 75 280 495 43 295 2 2 2 2 0 0 Refrigerant pipe connection gas pipe side flared connection 5 8F Refrigerant pipe connection liquid pipe side flared connection 3 8F Flexible hose accessory Drainage pipe connection...

Страница 12: ...0 298 130 90 650 300 100 1520 100 Electrical box 500 250 2 3 gas liquid Suspension bolt 70 243 254 175 197 110 21 130 15 258 1482 110 102 1370 75 1608 320 80 1564 1520 90 120 140 18 75 70 90 650 13 289 75 280 495 43 295 Refrigerant pipe connection gas pipe side flared connection 5 8F 3 4F Refrigerant pipe connection liquid pipe side flared connection 3 8F Flexible hose accessory Drainage pipe conn...

Страница 13: ...power supply system of this unit refer to the caution label located near this diagram 7 1 3 5 LED3 LED2 LED1 t t t The black square indicates a switch position S1 S2 S3 S1 S2 S3 S1 S2 S3 S1 S2 1 2 1 2 S3 M 1 M 1 SYMBOL LEGEND NAME SYMBOL NAME INDOOR POWER BOARD INDOOR CONTROLLER BOARD FUSE T6 3AL250V MF1 MF2 C1 C2 H2 FAN MOTOR CAPACITOR FAN MOTOR DEW PREVENTION HEATER CONNECTOR LOSSNAY CONNECTOR R...

Страница 14: ...iner 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 ...

Страница 15: ...ing and ascertain the cause of the 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...

Страница 16: ...ain 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 thermistor ...

Страница 17: ...ange 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 blockage 4 Refer to 9 6 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit...

Страница 18: ...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 ...

Страница 19: ... 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 Ref...

Страница 20: ...n 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 a...

Страница 21: ...horizontal regardless of remote control 2 Check 2 left Check the vane motor Refer to How to check the parts Check for breaking of wire or connec tion failure of connector Check Up down vane setting Unit function selection by remote controller 3 Normal operation Each connector on vane motor side is disconnected Phenomena Cause Countermeasure 2 LED2 on indoor controller board is blinking When LED1 o...

Страница 22: ...stance with a tester At the ambient temperature 10 30 Refer to Thermistor Characteristic graph for a detail Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser Evaporator temperature thermistor TH5 Normal 4 3k 9 6k Abnormal Open or short 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 tempe...

Страница 23: ...OINT DIAGRAM 9 6 1 Power board PCA RP71HAQ PCA RP125HAQ 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 ...

Страница 24: ...gnal 13V pulse input 1 3 4 Operation indicator 13VDC 3 3 5 Malfunction indicator 13VDC 3 CN6V Vane motor output MV CN90 Connect to the wire less 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 I...

Страница 25: ...iven 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 Service board MODELS PCA RP71HAQ 1 2 3 4 5 ON OFF PCA RP125HAQ 1 2 3 4...

Страница 26: ...ion 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 1 Main indo...

Страница 27: ... 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 cod...

Страница 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...

Страница 29: ...en the screw for control box cover to remove the control box cover See Photo 2 3 Remove the lead wire from the 2 clips 4 Remove the 2 white cord heater relay connectors 1P o 2 and 2 fan motor relay connectors 6P o 2 in the control box 5 Remove the 2 screws for control box to slide the control box downward Electrical parts in the control box Fan motor capacitor Indoor controller board Power board P...

Страница 30: ...y connectors 6P in the control box See Photo 3 4 Remove the 3 filter rails See Photo 1 4 5 Remove the fan guard See Photo 5 6 Remove the lower casing See Photo 6 7 Remove the green earth wire from the motor support See Photo 7 8 Remove the 2 screws M5 12 for motor support and remove the left and right motor supports 9 Remove the fan motor together with the sirocco fan 10 Remove the 2 set screws M6...

Страница 31: ...in pan and remove the drain pan Note Remove the drain pan carefully since the drain could remain in it 7 Removing the under panel 1 Remove the oil filter See Figure 1 2 Remove the 3 filter rails See Photo 1 4 3 Remove the 12 screws left 1 right 1 bottom 10 for under panel and remove the under panel See Photo 11 Photo 8 Photo 9 Photo 11 Photo 12 Caution for installation When installing the pipe tem...

Страница 32: ...r See Photo 15 6 Remove the 3 screws 4 10 left 2 right 1 for heat exchanger See Photo 15 16 7 Remove the 2 screws 4 10 for heat exchanger at the top of the unit and remove the heat exchanger See Photo 17 Photo 13 Photo 14 Photo 15 Caution for installation When installing the vane check that its projection is on the left rear side Guide vanes Screws for guide vane Drain pan Vanes Slide Slide Screws...

Страница 33: ...A RP125HAQ PCA RP71 125HAQ Service Manual OCH492 PCA RP71 125HAQ Parts Catalog OCH492 PCA RP71 125HAQ Instruction Book RG79D719H02 PCA RP71 125HAQ Declaration of Conformity CE2013A12 PCA RP71 125HAQ Installation Manual RG79D721H02 ...

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