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Mitsubishi Electric PEAD-RP60GA Service Manual
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Mitsubishi Electric PEAD-RP60GA Service Manual

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SPLIT-TYPE, HEAT PUMP
AIR CONDITIONERS
SERVICE MANUAL
Series PEAD
<indoor unit> Service ref.
Models
PEAD-RP60GA
PEAD-RP71GA
PEAD-RP100GA
INDOOR UNIT
ON/OFF
TEMP.
REMOTE CONTROLLER
R407C/R410A
CONTENTS
1. REFERENCE MANUAL ····························· 2
2. SAFETY PRECAUTION ···························· 3
3. PART NAMES AND FUNCTIONS ············· 7
4. SPECIFICATION ······································· 9
6. OUTLINES & DIMENSIONS ···················· 12
7. WIRING DIAGRAM ·································· 13
9. TROUBLESHOOTING ···························· 15
10. DISASSEMBLY INSTRUCTIONS ············ 27
11. PARTS LIST ············································· 29
12. OPTIONAL PARTS ·································· 33
2005
NOTE:
• This manual describes only
service data of the indoor
units.
TM

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  • Page 1: Table Of Contents

    SPLIT-TYPE, HEAT PUMP 2005 AIR CONDITIONERS SERVICE MANUAL Series PEAD R407C/R410A <indoor unit> Service ref. NOTE: Models PEAD-RP60GA • This manual describes only service data of the indoor PEAD-RP71GA units. PEAD-RP100GA CONTENTS 1. REFERENCE MANUAL ····························· 2 2. SAFETY PRECAUTION ···························· 3 3.

  • Page 2: Reference Manual

    REFERENCE MANUAL 1-1. OUTDOOR UNIT’S SERVICE MANUAL Service Manual No. Service Ref. PUHZ-RP35/50/60/71/100/125/140VHA OC334 PUHZ-RP100/125/140YHA PUHZ-RP71/100/125/140VHA-A OC337 PUHZ-RP200/250YHA OC338 PUHZ-RP200/250YHA-A OC339 PU(H)-P·VGAA.UK OC336 PU(H)-P·YGAA.UK SUZ-KA·VA.TH OC322 1-2. TECHNICAL DATA BOOK Manual No. Series (Outdoor unit) PUHZ-RP·VHA(-A) OCS01 PUHZ-RP·YHA(-A) PU(H)-P·VGAA.UK OCS02 PU(H)-P·YGAA.UK...

  • Page 3: Safety Precaution

    SAFETY PRECAUTION CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R407C Do not use the existing refrigerant piping. Use liquid refrigerant to charge the system. The old refrigerant and lubricant in the existing piping If gas refrigerant is used to seal the system, the composition contains a large amount of chlorine which may cause the of the refrigerant in the cylinder will change and performance lubricant deterioration of the new unit.
  • Page 4 [3] Service tools Use the below service tools as exclusive tools for R407C refrigerant. Tool name Specifications Gauge manifold ·Only for R407C. ·Use the existing fitting SPECIFICATIONS. (UNF7/16) ·Use high-tension side pressure of 3.43MPa·G or over. Charge hose ·Only for R407C. ·Use pressure performance of 5.10MPa·G or over.
  • Page 5 CAUTIONS RELATED TO NEW REFRIGERANT <Cautions for units utilizing refrigerant R410A> Use new refrigerant pipes. Do not use refrigerant other than R410A. n case of using the existing pipes for R22, be careful with f other refrigerant (R22 etc.) is used, chlorine in refrige- the following.
  • Page 6 Unit ravimeter [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. Specifications Gauge manifold • Only for R410A • Use the existing fitting specifications . (UNF1/2) • Use high-tension side pressure of 5.3MPa·G or over. Charge hose •...

  • Page 7: Part Names And Functions

    PART NAMES AND FUNCTIONS Indoor Unit • Air intake (sucks the air from inside the room into the unit) Air outlet...
  • Page 8 • Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. • Operation buttons ON/OFF button Set Temperature buttons Down Fan Speed button Timer Menu button (Monitor/Set button) Filter button (<Enter>...

  • Page 9: Specification

    SPECIFICATION Service Ref. PEAD-RP60GA Power supply Single phase, 50Hz, 220-240V ❇ Input 0.18 ❇ Running current 0.80 ❇ Starting current 1.03 External finish Galvanized sheets Heat exchanger Plate fin coil Fan (drive) × No. Centrifugal (direct) × 2 Fan motor output 0.10...

  • Page 10: Fan Performance And Corrected Air Flow

    FAN PERFORMANCE AND CORRECTED AIR FLOW PEAD-RP60GA Fan performance <220V> Fan performance <230V> Upper limit Upper limit High(70Pa) High(50Pa) High(50Pa) High(35Pa) High(10Pa) High(5Pa) 13 14 15 16 17 18 19 20 21 22 23 12 13 14 15 16 17 18 19 20 21 22 23...
  • Page 11 PEAD-RP100GA Fan performance <230V> Fan performance <220V> Upper limit Upper limit High(70Pa) High(50Pa) High(50Pa) High(35Pa) High(10Pa) High(5Pa) 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Ai rf l ow ra te (m /m in) A i rfl o w ra te ( m...

  • Page 12: Outlines & Dimensions

    OUTLINES & DIMENSIONS 1. INDOOR UNIT PEAD-RP60, 71, 100GA ❊ Service space:550 or more 2XG-ø2.9 Refrigerant piping flare connection(liquid øH copper tube):HP 120XE=F Refrigerant piping flare connection(gas øJ copper tube):LP 100~200 Electrical parts box Terminal bed : Power source Access door Terminal bed : Remote control Filter Drain pan (R1 External thread: ø34)(❊;Fixable to opposition side.)

  • Page 13: Wiring Diagram

    WIRING DIAGRAM PEAD-RP60, 71, 100GA INSIDE SECTION OF CONTROL BOX <❊A> (IN CASE OF CONNECT THE REPLACEMENT WIRING) POWER SUPPLY ~(1PHASE) I.B. 230V 50Hz 1 2 3 1 2 3 4 5 6 7 8 9 TO OUTDOOR UNIT CN20 CN21 CN29 CN31...

  • Page 14: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PEAD-RP60, 71, 100GA Refrigerant flow in cooling Refrigerant flow in heating Indoor unit Refrigerant GAS pipe connection Indoor Thermistor TH5 heat (Cond./Eva. exchanger temperature) Strainer Thermistor TH1 Thermistor TH2 (Room temperature) Pipe temperature (Liquid) Refrigerant LIQUID pipe connection Distributor with strainer...

  • Page 15: Troubleshooting

    TROUBLESHOOTING 9-1. TROUBLESHOOTING <Error code display by self-diagnosis and actions to be taken for service (summary)> Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the inferior phenomenon reoccurrence at field are summarized in the table below. Check the contents below before investigating details.
  • Page 16 Note: Refer to the manual of outdoor unit for the details of display 9-2. SELF-DIAGNOSIS ACTION TABLE such as F, U, and other E. Error Code Meaning of error code and detection method Countermeasure Cause Abnormality of room temperature 1 Defective thermistor 1–3 Check resistance value of thermistor.
  • Page 17 Error Code Meaning of error code and detection method Countermeasure Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) working 1 Clogged filter (reduced airflow) 1 Check clogs of the filter. 1 Freezing protection (Cooling mode) 2 Short cycle of air path 2 Remove shields.
  • Page 18 Error Code Meaning of error code and detection method Countermeasure Cause Abnormality of pipe temperature ther- 1 Defective thermistor 1–3 Check resistance value of thermistor. mistor / Condenser-Evaporator (TH5) For characteristics, refer to (P1) above. characteristics 2 Check contact failure of connector (CN29) 1 The unit is in three-minute resume pro- 2 Contact failure of connector on the indoor controller board.
  • Page 19 Error Code Meaning of error code and detection method Countermeasure Cause ∗ Check LED display on the outdoor control cir- Indoor/outdoor unit communication 1 Contact failure, short circuit or, error (Signal receiving error) cuit board. (Connect A-control service tool, mis-wiring (converse wiring) of 1 Abnormal if indoor controller board PAC-SK52ST.) indoor/outdoor unit connecting...
  • Page 20 9-3. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board • When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied to out- 1 Check the voltage of outdoor power is off.
  • Page 21 Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (2)LED2 on indoor controller board • When LED1 on indoor controller board is also blinking. Check indoor/outdoor unit connecting wire Connection failure of indoor/outdoor unit connecting for connection failure.
  • Page 22 9-4. When wired remote controller or indoor unit micro computer troubles 1. If there is not any other wrong when trouble occurs, emergency operation starts as the indoor controller board switch (SWE) is set to ON. During the emergency operation the indoor unit is as follows; (1) Indoor fan high speed operation (2) Drain-up machine operation 2.
  • Page 23 9-5. HOW TO CHECK THE PARTS PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH1) (Surrounding temperature 10:~30:) Pipe temperature thermistor (TH2) Normal Abnormal (Refer to the thermistor) Condenser/Evaporator 4.3k"~9.6k"...
  • Page 24 9-6.TEST POINT DIAGRAM 9-6-1. Power board PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA CN2S Connect to the indoor controller board (CN2D) Between 1 1 to 3 3 12.6-13.7V DC (Pin1 1 (+)) CNSK Connect to the indoor controller board (CNDK) Between 1 1 to 3 3 220-240V AC...
  • Page 25 9-6-2. Indoor controller board PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA CN2D LED1 Connector to the indoor LED2 LED3 Power supply Power supply power board (CN2S) Transmission (I.B) (12.5~13.7V DC) (R.B) (Indoor/outdoor) CN3C – Transmission (Indoor/outdoor) CN22 (0~24V DC) Remote controller connecting wire Non polarity –...
  • Page 26 Remarks Functions For service board Model settings Service board MODELS 1 2 3 4 5 PEAD-RP60GA Capacity 1 2 3 4 5 PEAD-RP71GA settings 1 2 3 4 5 PEAD-RP100GA <Settings at time of factory shipment> Wireless remote controller: 0...

  • Page 27: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Figure1. isconnect the fan motor connecter Control box rain pan catches (Hidden) Heat exchanger Bottom plate Filter assembly rain pan catches (Hidden) Bottom plate rain pan 1. Removing the fan motor 5. Remove the sirocco fan setting screw and the 1.
  • Page 28 Figure2. an base Sirocco fan Motor Housing Motor base assembly Bush Bush Piece Sirocco fan Piece Housing assembly...

  • Page 29: Parts List

    PARTS LIST PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA EXTERNAL PARTS 5.6.7 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- Spec. RP60GA RP71GA RP100GA S70 071 669 Bottom plate 2 W652372Z05 S70 072 669 Bottom plate 2 W652372Z07 S70 061 669 Bottom plate 1 ass’y...
  • Page 30 PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA 13.14.15 9.10 1 .18 11.12 1.16 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- RP60GA RP71GA RP100GA Piece R02F328H09 S70 507 131 Piece R02F328G84 with a nut S70 507 132 Fan base ass’y W902772G07 S70 610 677 Fan base ass’y...
  • Page 31 PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA CONTROL BOX PARTS Earth post Qt’y/set Part No. Part Name Drawing No. Spec. PEAD- PEAD- PEAD- RP60GA RP71GA RP100GA S70 979 717 Terminal bed P436110X01 < TB4 > S70 435 717 Terminal bed BA73S950H02 < TB5 >...
  • Page 32 PEAD-RP60GA PEAD-RP71GA PEAD-RP100GA ELECTRICAL PARTS N/ FF TEMP. Qt’y/set Part No. Part Name Drawing No. Spec. PEAD- PEAD- PEAD- RP60GA RP71GA RP100GA S70 KW1 713 Remote controller P972122X01 MA Remo-con S70 030 305 Remote controller cable W873334G05 10 m...

  • Page 33: Optional Parts

    OPTIONAL PARTS 1. REMOTE SENSOR Part No. PAC-SE41TS-E Applied model PEAD-RP60,71,100GA 2. REMOTE OPERATION ADAPTER Part No. PAC-SF40RM-E Applied model PEAD-RP60,71,100GA 3. REMOTE ON/OFF ADAPTER Part No. PAC-SE55RA-E Applied model PEAD-RP60,71,100GA 4. INSULATION KIT Part No. PAC-SK010DK Applied model PEAD-RP60,71,100GA...
  • Page 34 HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN HWE05060 New publication, effective Aug. 2005. Issued in Aug. 2005 Specifications subject to change without notice. Printed in Japan...

This manual is also suitable for:

Pead seriesPead-rp71gaPead-rp100ga

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