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Mitsubishi Electric PEAD-RP1.6EA Technical & Service Manual
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Mitsubishi Electric PEAD-RP1.6EA Technical & Service Manual

Mitsubishi Electric PEAD-RP1.6EA Technical & Service Manual

Split-type, heat pump air conditioners
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See also: Operating Manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PEAD
<indoor unit> Service ref.
Models
PEAD-RP1.6EA
PEAD-RP2EA
PEAD-RP2.5EA
PEAD-RP3EA
PEAD-RP4EA
PEAD-RP5EA
PEAD-RP6EA
1
1
1
1
TEMP.
ON/OFF
R407C/R410A
• Refer to the OCT04 as for control
CONTENTS
2. SAFETY PRECAUTION ···························· 3
3. PART NAMES AND FUNCTIONS ············· 5
4. SPECIFICATION ······································· 8
5. DATA ························································ 15
7. OUTLINES & DIMENSIONS ···················· 39
8. WIRING DIAGRAM ·································· 41
9. TROUBLE SHOOTING ···························· 42
10. DISASSEMBLY INSTRUCTIONS ············ 51
11. PARTS LIST ············································· 53
12. OPTIONAL PARTS ·································· 59
2004
relation.This manual does not cover
outdoor units.
When servicing them, please refer
to the service manual
OC261 REVISED EDITION-B,
OC294 REVISED EDITION-A
and this manual as a set.
TM

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Summary of Contents for Mitsubishi Electric PEAD-RP1.6EA

  • Page 1: Table Of Contents

    TECHNICAL & SERVICE MANUAL Series PEAD R407C/R410A <indoor unit> Service ref. • Refer to the OCT04 as for control relation.This manual does not cover Models PEAD-RP1.6EA outdoor units. PEAD-RP2EA When servicing them, please refer to the service manual PEAD-RP2.5EA OC261 REVISED EDITION-B,...

  • Page 2: Indoor Unit

    Outdoor unit [OC294] Heat pump type Indoor unit PUHZ-RP 1.6VHA 2VHA 2.5VHA 3VHA 4VHA 5VHA 6VHA — — — — — — PEAD-RP1.6EA — — — — — — PEAD-RP2EA — — — — — — PEAD-RP2.5EA — — —...

  • Page 3: Safety Precaution

    SAFETY PRECAUTION 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 4 [2] Additional refrigerant charge When charging directly from cylinder Ensure that the cylinder for R410A is syphon type. Charging should be performed with the syphon cylinder type stood vertically. (Refrigerant must be charged from liquid phase.) Unit ravimeter [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.

  • Page 5: Part Names And Functions

    PART NAMES AND FUNCTIONS Indoor Unit • Air intake (sucks the air inside the room into the unit) Air outlet In case of rear inlet In case of bottom inlet (Only 1.6~2.5HP)

  • Page 6: Remote Controller

    • Remote controller • Once the operation of the unit is set, subsequent operations can be performed only by pressing the ON/OFF button repeatedly. [Operation buttons] 1Hr. CENTRALLY CONTROLLED ON OFF ˚C CLOCK CHECK FILTER CHECK MODE ˚C TEST RUN STAND BY ERROR CODE FUNCTION...
  • Page 7 [Display] CENTRALLY CONTROLLED 1Hr. ON OFF ˚C CLOCK CHECK FILTER CHECK MODE ˚C TEST RUN STAND BY ERROR CODE FUNCTION NOT AVAILABLE DEFROST TEMP. ON/OFF IKLJ Current time/Timer Not available function Centralized control Ventilation Timer ON Function setting mode Abnormality occurs Test run mode Error check mode Operation mode:...

  • Page 8: Specification

    SPECIFICATION Service Ref. PEAD-RP1.6EA Item Function Cooling Heating Cooling Heating Btu/h 15,100 16,500 12,200 13,900 Capacity 4,450 4,850 3,600 4,100 Total input 1.71 1.73 1.12 1.26 Service Ref. PEAD-RP1.6EA Power supply Single phase, 50Hz, 220-240V Input 0.13 Running current 0.55 Starting current External finish...
  • Page 9 Service Ref. PEAD-RP2EA Item Function Cooling Heating Cooling Heating Btu/h 19,100 21,400 16,700 20,400 Capacity 5,600 6,300 4,900 6,000 Total input 2.53 2.20 1.52 1.65 Service Ref. PEAD-RP2EA Power supply Single phase, 50Hz, 220-240V Input 0.14 Running current 0.61 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 10 Service Ref. PEAD-RP2.5EA Item Function Cooling Heating Cooling Heating Btu/h 22,500 24,300 20,400 23,800 Capacity 6,600 7,150 6,000 7,000 Total input 2.65 2.36 1.86 1.90 Service Ref. PEAD-RP2.5EA Power supply Single phase, 50Hz, 220-240V Input 0.16 Running current 0.70 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 11 Service Ref. PEAD-RP3EA Item Function Cooling Heating Cooling Heating Btu/h 25,900 30,800 24,200 27,200 Capacity 7,600 9,050 7,100 8,000 Total input 3.35 3.18 2.15 2.34 Service Ref. PEAD-RP3EA Power supply Single phase, 50Hz, 220-240V Input 0.35 Running current 1.55 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 12 Service Ref. PEAD-RP4EA Item Function Cooling Heating Cooling Heating Btu/h 32,700 35,100 34,100 38,200 Capacity 9,600 10,300 10,000 11,200 Total input 3.83 4.00 3.08 3.48 Service Ref. PEAD-RP4EA Power supply Single phase, 50Hz, 220-240V Input 0.57 Running current 2.53 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 13 Service Ref. PEAD-RP5EA Item Function Cooling Heating Cooling Heating Btu/h 41,600 47,700 42,600 47,700 Capacity 12,200 14,000 12,500 14,000 Total input 4.87 4.74 3.69 4.11 Service Ref. PEAD-RP5EA Power supply Single phase, 50Hz, 220-240V Input 0.59 Running current 2.62 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 14 Service Ref. PEAD-RP6EA Item Function Cooling Heating Cooling Heating Btu/h 47,700 56,600 47,700 54,500 Capacity 14,000 16,600 14,000 16,000 Total input 5.81 5.90 4.91 4.76 Service Ref. PEAD-RP6EA Power supply Single phase, 50Hz, 220-240V Input 0.61 Running current 2.69 Starting current External finish Galvanized sheets Heat exchanger...
  • Page 22 1) COOLING CAPACITY <2> (230V) PEAD-RP1.6EA/PU(H)-P1.6VGAA( ).UK, PU(H)-P1.6YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 4406 2731 0.62 1.37 4272 2649 0.62 1.44...
  • Page 23 (230V) PEAD-RP2EA/PU(H)-P2VGAA( ).UK, PU(H)-P2YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 5544 3533 0.64 2.02 5376 3426 0.64 2.14 5208 3319 0.64 2.26 5936 3050 0.51...
  • Page 24 (230V) PEAD-RP2.5EA/PU(H)-P2.5VGAA( ).UK, PU(H)-P2.5YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 3995 0.61 2.12 0.61 2.24 3753 0.61 2.37 6534 6336 3874 6138 6996 3449 0.49...
  • Page 25 (230V) PEAD-RP3EA /PU(H)-P3VGAA( ).UK, PU(H)-P3YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 7524 5054 0.67 2.68 7296 4900 0.67 2.83 7068 4747 0.67 2.99 8056 4364...
  • Page 26 (230V) PEAD-RP4EA /PU(H)-P4VGAA( ).UK, PU(H)-P4YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 9504 6138 0.65 3.06 9216 5952 0.65 3.24 8928 5766 0.65 3.42 10176 5300...
  • Page 27 (230V) PEAD-RP5EA /PU(H)-P5VGAA( ).UK, PU(H)-P5YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 12078 7696 0.64 3.89 11712 7463 0.64 4.11 11346 7230 0.64 4.35 12932 6646...
  • Page 28 (230V) PEAD-RP6EA /PU(H)-P6VGAA( ).UK, PU(H)-P6YGAA( ).UK Outdoor intake air D.B. (°C) Indoor Indoor Intake air Intake air D.B. (°C) W.B. (°C) SHC(W) SHF P.C. SHC(W) P.C. SHC(W) SHF P.C. 13860 8832 0.64 4.64 13440 8564 0.64 4.91 13020 8297 0.64 5.19 14840 7626...
  • Page 29 Cooling capacity correction factors · · PEAD-RP EA/PUHZ-RP Refrigerant piping length (one way) Service Ref. PEAD-RP1.6EA 1.00 0.992 0.984 0.977 0.969 0.962 0.956 0.949 0.942 0.937 PEAD-RP2EA 1.00 0.985 0.971 0.958 0.943 0.931 0.919 0.908 0.898 0.887 PEAD-RP2.5EA 1.00 0.992 0.984 0.977 0.969 0.962 0.956 0.949 0.942 0.937 PEAD-RP3EA 1.00...
  • Page 30 3735 1.30 4899 1.56 5529 1.73 6160 1.87 2959 1.11 3201 1.21 3541 1.40 4729 1.68 5335 1.87 5941 2.01 PEAD-RP1.6EA 1.52 4462 1.78 5141 2.00 5723 2.15 2862 1.18 3104 1.31 3395 4001 1.30 4347 1.43 4851 1.65 6363 1.98...
  • Page 31 Heating capacity correction factor · · PEAD-RP EA/PUHZ-RP Refrigerant piping length (one way) Service Ref. PEAD-RP1.6EA 1.00 0.997 0.994 0.991 0.988 0.985 0.982 0.979 0.976 0.973 PEAD-RP2EA 1.00 0.997 0.994 0.991 0.988 0.985 0.982 0.979 0.976 0.973 PEAD-RP2.5EA 1.00 0.997 0.994...
  • Page 32 2 . FAN PERFORMANCE AND CORRECTED AIR FLOW PEAD-RP1.6EA Capacity Corrected Air low input an Performance <30Pa> Cooling 10 12 14 16 18 20 Air flow (CMM) 10 12 14 16 Air low (CMM) Heating an Performance <70Pa> 10 12 14 16 18...
  • Page 33 PEAD-RP2.5EA an Performance <30Pa> Capacity Corrected Air low input Cooling 12 14 16 18 20 22 24 26 Air flow (CMM) 8 10 12 14 16 18 20 22 24 Air low (CMM) Heating an Performance <70Pa> 12 14 16 18 20 22 24 26 Air flow (CMM) 10 12 14 16 18 20 22 24 26 Air low (CMM)
  • Page 34 PEAD-RP4EA Fan performance <130Pa> Fan performance <70Pa> Recommended range Recommended range 26 28 30 32 34 36 38 40 24 26 28 30 32 34 36 38 Air flow (CMM) Air flow (CMM) Corrected Air Flow Heating Capacity Input Cooling Air flow (CMM) Air flow (CMM) PEAD-RP5EA...
  • Page 35 Air flow (CMM) 3 . SOUND LEVELS 1)Noise level Ceiling concealed Noise level at anechoic room (Low-High) Unit : dB(A) Aux.duct External static pressure Model 30Pa 70Pa 130Pa PEAD-RP1.6EA 34-38 36-43 PEAD-RP2EA 36-40 38-44 PEAD-RP2.5EA 37-41 39-46 PEAD-RP3EA 37-41 40-45...
  • Page 36 2)NC curves (External static (External static PEAD-RP1.6EA PEAD-RP1.6EA pressure 30Pa) pressure 70Pa) High High NC60 NC60 NC50 NC50 NC40 NC40 NC30 NC30 NC20 NC20 Approximate minimum Approximate minimum audible limit on audible limit on continuous noise continuous noise 1000 2000...
  • Page 37 (External static (External static PEAD-RP4EA PEAD-RP4EA pressure 70Pa) pressure 130Pa) High High NC60 NC60 NC50 NC50 NC40 NC40 NC30 NC30 NC20 NC20 Approximate minimum Approximate minimum audible limit on audible limit on continuous noise continuous noise 1000 2000 4000 8000 1000 2000 4000...

  • Page 38: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PEAD-RP1.6, 2, 2.5EA PEAD-RP3, 4, 5, 6EA 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...

  • Page 39: Outlines & Dimensions

    OUTLINES & DIMENSIONS 1. INDOOR UNIT PEAD-RP1.6, 2, 2.5EA Model FOR PUHZ-RP TYPE:6.35 FOR PUHZ-RP TYPE:1 .7 RP1.6, FOR PU(H)-P TYPE:9.5 FOR PU(H)-P TYPE:15.88 RP .5 1070 1044 15.88 Service space:500 or more 10- ¿3 (1.6, HP) 1 - ¿3 ( .5HP) 50~150 Refrigerant piping flare connection (liquid F copper tube):HP Access door...
  • Page 40 2. REMOTE CONTROLLER (Front view) (Side view) (Rear view)

  • Page 41: Wiring Diagram

    WIRING DIAGRAM INDOOR UNIT P.B. CN2S(WHT) Optional parts <PEAD-RP1.6·2·2.5EA> DC14V External static pressure 70Pa (7mmAq) (Red) OUTDOOR UNIT CONT.BOARD OUTDOOR I.B. CN02(WHT) CN01(BLU) DRAIN PUMP POWER 1 3 5 POWER CN03 CN2D (WHT) (RED) (BLU) (WHT) TRANSMISSION WIRE CN31 DC12V CN22 REMOTE CONTROLLER LIQUID...

  • Page 42: Trouble Shooting

    TROUBLE-SHOOTING 9-1. TROUBLE-SHOOTING <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 and control board of outdoor unit. Actions to be taken for service, which depends on whether or not the inferior phenomenon is reoccurring at service, are sum- marized in the table below.

  • Page 43: Self-Diagnosis Action Table

    9-2. SELF-DIAGNOSIS ACTION TABLE Note: Refer to the manual of outdoor unit for the details of display such as F, U, and other E. Error Code Meaning of error code and detection method Judgment and action Case 1 Defective thermistor character- 1–3 Check resistance value of thermistor.
  • Page 44 Error Code Meaning of error code and detection method Judgment and action Case Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) 1 Clogged filter (reduced airflow) working 1 Check clogs of the filter. 1 Freezing protection (Cooling mode) 2 Short cycle of air path 2 Remove shields.
  • Page 45 Error Code Meaning of error code and detection method Judgment and action Case 1 Defective thermistor character- Abnormality of pipe temperature ther- 1–3 Check resistance value of thermistor. mistor / Condenser-Evaporator (TH5) istics For characteristics, refer to (P1) above. 2 Check contact failure of connector 1 The unit is in three-minute resume pro- 2 Contact failure of connector Put the power on and check restart after...
  • Page 46 9-3. TROUBLE-SHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Factor Countermeasure (1)LED2 on indoor control p.c. • When LED1 on indoor control p.c. board is also off. 1 Power supply of 220~240V is not supplied to outdoor 1 Check the voltage of outdoor power sup- board is off.

  • Page 47: Emergency Operation

    9-4. EMERGENCY OPERATION 9-4-1. When wired remote controller or indoor unit micro computer has trouble 1. If there is not any other item wrong when the trouble occures, emergency operation starts when the indoor control board switch (SWE) is set to ON. During the emergency operation the indoor unit is as follows;...
  • Page 48 9-5. TEST POINT DIAGRAM 9-5-1. Power board CN2S Connect to the Indoor controller board (CN2D) (DC12.6~15.4V) Earth support pad CN02 Connect to the Indoor controller board (CN03) Between 1 and 2 DC 0~24V (Indoor/Outdoor transmission) Between 2 and 3 AC 220~240V Fuse 4A/250V CN01 Connect to the Terminal Block (TB4)
  • Page 49 9-5-2. Controller board CN90 Connect to the wireless CN2D CN22 CN6V CN32 Connect to the indoor Remote controller con- remote controller Vane motor output Remote ON/OFF board/remote operation power board (CN2S) necting line (12 pulse) adaptor adaptor DC12.6~15.4V DC10.4~14.6V LED1 Display of supplied power for controller CN21...
  • Page 50 9-6. FUNCTIONS OF JUMPER WIRE Each function is controlled by the jumper wire on control p.c. board. For service parts, J11- J15 and J21-J24, DIP switches (SW1 and SW2) are equipped with jumper wire. (Marks in the table below) Jumper wire ( : Short : Open) DIP switch...

  • Page 51: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Figure1. isconnect the fan motor connecter (and the booster heater connector) 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 fan base plate as follow: 1.
  • Page 52 Figure3. an base Sirocco fan Motor Housing Motor base assembly Bush (Only PEAD-RP3) Bush Piece Sirocco fan Piece Housing assembly...

  • Page 53: Parts List

    PARTS LIST PEAD-RP1.6EA, PEAD-RP2EA, PEAD-RP2.5EA, EXTERNAL PARTS 5.6.7 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- Spec. RP1.6EA RP2EA RP2.5EA S70 031 669 Bottom plate 1 W638939Z04 S70 011 669 Bottom plate 1 W638917Z04 S70 081 669 Bottom plate 2 ass’y...

  • Page 54: External Parts

    PEAD-RP3EA , PEAD-RP4EA PEAD-RP5EA , PEAD-RP6EA EXTERNAL PARTS 7.8.9. 0 4.5.6 4. 5. 6 . 2. 3 .2.3 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- Spec. PEAD- RP3EA RP4EA RP5EA RP6EA S70 041 669 Bottom plate 1 W634050Z01 S70 042 669 Bottom plate 1...
  • Page 55 PEAD-RP1.6EA, PEAD-RP2EA, PEAD-RP2.5EA, BLOWER PARTS 9.10.11 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- RP1.6EA RP2EA RP2.5EA S70 652 131 Attachment W353715H01 S70 051 677 Fan base ass’y W638932G03 S70 061 677 Fan base ass’y W638905G03 S70 922 105...
  • Page 56 PEAD-RP3EA , PEAD-RP4EA PEAD-RP5EA , PEAD-RP6EA BLOWER PARTS 3.4.5 15.16 10.11.12 13.14 1.17 Qt’y/set Part No. Part Name Drawing No. PEAD- PEAD- PEAD- PEAD- RP3EA RP4EA RP5EA RP6EA Piece R02K338H02 S70 508 131 Piece R02K338G82 with a nut S70 508 132 Fan base ass’y W634058G02 S70 073 677...
  • Page 57 PEAD-RP1.6EA, PEAD-RP2EA, PEAD-RP2.5EA, PEAD-RP3EA , PEAD-RP4EA , PEAD-RP5EA PEAD-RP6EA CONTROL BOX PARTS Qt’y/set Part No. Part Name Drawing No. Spec. PEAD- PEAD- PEAD- P1.6EA P2EA P2.5EA S70 979 717 Terminal bed P436110X01 < TB4 > S70 435 717 Terminal bed BA73S950H02 <...
  • Page 58 PEAD-RP1.6EA, PEAD-RP2EA, PEAD-RP2.5EA, PEAD-RP3EA , PEAD-RP4EA , PEAD-RP5EA PEAD-RP6EA ELECTRICAL PARTS ON/OFF TEMP. Qt’y/set Part No. Part Name Drawing No. Spec. PEAD- PEAD- PEAD- RP1.6EA RP2EA RP2.5EA S70 030 713 Remote controller W267102G60 MA Remo-con Remote controller cable W873334G05 10 m S70 030 305 Qt’y/set...

  • Page 59: Optional Parts

    OPTIONAL PARTS 1. PROGRAM TIMER Part No. PAC-YT32PTA 1-1. Names and functions <PAC-YT32PTA> MODE A MODE B M O NIT O R SET BACK SET/MONITOR MODE A/B/OFF SET BACK DAILY TIMER MODE A/B WEEKLY SETTING ON/OFF/SET BACK CLOCK TODAY PAC-YT32PTA DAILY SETTING A SET/MONITOR DISPLAY: 1 SET/MONITOR Button...
  • Page 60 2. REMOTE SENSOR Part No. PAC-SE41TS-E Applied model PEAD-RP1.6,2,2.5EA , PEAD-RP3,4,5,6EA 3. REMOTE OPERATION ADAPTER Part No. PAC-SF40RM-E Applied model PEAD-RP1.6,2,2.5EA , PEAD-RP3,4,5,6EA 4. REMOTE ON/OFF ADAPTER Part No. PAC-SE55RA-E Applied model PEAD-RP1.6,2,2.5EA , PEAD-RP3,4,5,6EA 5. OPTIONAL MOTOR The external static pressure of 130Pa allows long ducts to be used more extensively to enable the most convenient posi- tioning of indoor units.
  • Page 64 HEAD OFFICE: ITSUBISHI DENKI BLDG., 2-2-3, ARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN EE04K225 Issued in ay 2004 New publication, effective ay 2004. Printed in Japan Specifications subject to change without notice.

This manual is also suitable for:

Pead-rp2eaPead-rp4ea1Pead-rp2.5eaPead-rp5ea1Pead-rp6ea1Pead-rp3ea1

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