Mitsubishi Electric Mr.Slim PKH-P3FALH Technical & Service Manual
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Mitsubishi Electric Mr.Slim PKH-P3FALH Technical & Service Manual

Mitsubishi Electric Mr.Slim PKH-P3FALH Technical & Service Manual

Pkh/pka series wall mounted split-type,heat pump air conditioners, split-type, air conditioners, r407c
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SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PKH/PKA
Indoor unit
[Model names]
1999, 2001
PKH-P2.5FALH
PKH-P3FALH
PKH-P4FALH
2000, 2001
PKA-P2.5FAL
PKA-P3FAL
PKA-P4FAL
Indoor unit
ON/OFF
PKH-P•FALH, PKH-P•FALH
PKA-P•FAL, PKA-P•FAL
Remote controller
• PKH-P2.5/3/4FALH
, PKA-P2.5/3/4FAL
1
PKA-P2.5/3/4FAL
, are added in Revised Edition-B.
2
• Please void NO.OC175 Revised Edition-A.
• Refer to the OCT03 Revised Edition-C as regarding control relation.
This manual does not cover outdoor units. When servicing them,
please refer to the service manual No.OC180 Revised Edition-A,
OC261 and this manual in a set.

Wall Mounted

[Service Ref.]
1999
PKH-P2.5FALH
PKH-P3FALH
PKH-P4FALH
2000
PKA-P2.5FAL
PKA-P3FAL
PKA-P4FAL
PKH-P•FALH
1
2
PKA-P•FAL
1
2
, PKH-P2.5/3/4FALH
1
R407C
2001
PKH-P2.5FALH
PKH-P2.5FALH
PKH-P3FALH
PKH-P3FALH
PKH-P4FALH
PKH-P4FALH
2001
PKA-P2.5FAL
PKA-P2.5FAL
PKA-P3FAL
PKA-P3FAL
PKA-P4FAL
PKA-P4FAL
CONTENTS
1. TECHNICAL CHANGES ···································2
2.
3. SAFETY PRECAUTION ····································3
4. PART NAMES AND FUNCTIONS ····················4
5. SPECIFICATIONS ·············································7
6. DATA ·······························································19
7. OUTLINES AND DIMENSIONS ······················42
8. WIRING DIAGRAM ·········································44
9. REFRIGERANT SYSTEM DIAGRAM···················45
10. TROUBLESHOOTING ····································47
11. DISASSEMBLY PROCEDURE························48
12. PARTS LIST ····················································51
and
2
1999
No.OC175
REVISED EDITION-B
1
2
1
2
1
2
1
2
1
2
1
2
···2

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Summary of Contents for Mitsubishi Electric Mr.Slim PKH-P3FALH

  • Page 1: Table Of Contents

    REVISED EDITION-B TECHNICAL & SERVICE MANUAL Series PKH/PKA Wall Mounted R407C Indoor unit [Service Ref.] [Model names] 1999, 2001 1999 2001 PKH-P2.5FALH PKH-P2.5FALH PKH-P2.5FALH PKH-P2.5FALH PKH-P3FALH PKH-P3FALH PKH-P3FALH PKH-P3FALH PKH-P4FALH PKH-P4FALH PKH-P4FALH PKH-P4FALH 2000, 2001 2000 2001 PKA-P2.5FAL PKA-P2.5FAL PKA-P2.5FAL PKA-P2.5FAL...

  • Page 2: Technical Changes

    TECHNICAL CHANGES PKH-P2.5FALH PKH-P2.5FALH PKA-P2.5FAL PKA-P2.5FAL PKH-P3FALH PKH-P3FALH PKA-P3FAL PKA-P3FAL PKH-P4FALH PKH-P4FALH PKA-P4FAL PKA-P4FAL DRAIN PAN has changed by changing its shape. CENTER SUPPORT has changed by changing its shape. NOSE has changed by changing its shape. BOX ASSEMBLY has changed by changing its shape.

  • Page 3: Safety Precaution

    SAFETY PRECAUTION Cautions for using with the outdoor unit which adopts R407C refrigerant. · Do not use the existing refrigerant piping. -The old refrigerant and refrigerant oil in the existing piping contains a large amount of chlorine which may cause the refriger- ant oil of the new unit to deteriorate.

  • Page 4: Part Names And Functions

    [2] Notice on repair 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. [3] Refrigerant recharging (1) Refrigerant recharging process 1Direct charging from the cylinder.

  • Page 5: Wireless Remote Controller

    PKH-P2.5/3/4FALH, PKA-P2.5/3/4FAL PKH-P2.5/3/4FALH , PKA-P2.5/3/4FAL Wireless remote controller When cover is open. ADDRESS display display display Displays the refrigerant address. SET TEMP. display indicates desired tempera- Lights up while transmission to the indoor unit ture set. UNIT NO. display is mode using switches. Displays the number of unit..

  • Page 6: Wireless Remote Controller

    PKH-P2.5/3/4FALH PKA-P2.5/3/4FAL Wireless remote controller When cover is open. display CHECK TEST RUN CHECK&TEST RUN display indicates that the unit is being checked or test-run. display MODEL SELECT Blinks when model is selected. display Lights up while transmission to the indoor unit is mode using switches.

  • Page 7: Specifications

    SPECIFICATIONS 1. Heat pump type Service Ref. With Electric heater PKH-P2.5FALH / PKH-P2.5FALH Item Without Electric heater PKA-P2.5FAL / PKA-P2.5FAL Cooling Heating Function Btu/h 22,200 25,200(32,400) Capacity 6,500 7,400(9,500) Total input 2.72 2.67(4.77) With Electric heater PKH-P2.5FALH / PKH-P2.5FALH Service Ref. Without Electric heater PKA-P2.5FAL / PKA-P2.5FAL Power supply(phase, cycle,voltage)
  • Page 8 Service Ref. With Electric heater PKH-P3FALH / PKH-P3FALH Item Without Electric heater PKA-P3FAL / PKA-P3FAL Cooling Function Heating Btu/h 27,000 32,200(39,400) Capacity 7,900 9,450(11,550) Total input 3.43 3.61(5.71) PKH-P3FALH / PKH-P3FALH With Electric heater Service Ref. Without Electric heater PKA-P3FAL / PKA-P3FAL...
  • Page 9 Service Ref. With Electric heater PKH-P4FALH / PKH-P4FALH Item Without Electric heater PKA-P4FAL / PKA-P4FAL Cooling Function Heating Btu/h 33,100 37,200(45,400) Capacity 9,700 10,900(13,300) Total input 3.47 3.65(6.05) PKH-P4FALH / PKH-P4FALH With Electric heater Service Ref. Without Electric heater PKA-P4FAL / PKA-P4FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input...
  • Page 10 2. Cooling only type Service Ref. PKA-P2.5FAL / PKA-P2.5FAL Item Function Cooling Btu/h 22,200 Capacity 6,500 Total input 2.72 Service Ref. PKA-P2.5FAL / PKA-P2.5FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09 Running current 0.43 Starting current 0.80 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil...
  • Page 11 Service Ref. PKA-P3FAL / PKA-P3FAL Item Function Cooling Btu/h 27,000 Capacity 7,900 Total input 3.43 Service Ref. PKA-P3FAL / PKA-P3FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09 Running current 0.43 Starting current 0.80 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 12 Service Ref. PKA-P4FAL / PKA-P4FAL Item Function Cooling Btu/h 33,100 Capacity 9,700 Total input 3.47 Service Ref. PKA-P4FAL / PKA-P4FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.11 Running current 0.52 Starting current 0.90 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 13 3. Heat pump type Service Ref. With Electric heater PKH-P2.5FALH Item Without Electric heater PKA-P2.5FAL Function Cooling Heating Btu/h 22,200 25,200(32,400) Capacity 6,500 7,400(9,500) Total input 2.67 2.67(4.43) With Electric heater PKH-P2.5FALH Service Ref. Without Electric heater PKA-P2.5FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09...
  • Page 14 Service Ref. With Electric heater PKH-P3FALH Item Without Electric heater PKA-P3FAL Function Cooling Heating Btu/h 27,000 32,200(39,400) Capacity 7,900 9,450(11,550) Total input 3.44 3.62(5.72) With Electric heater PKH-P3FALH Service Ref. PKA-P3FAL Without Electric heater Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09...
  • Page 15 Service Ref. With Electric heater PKH-P4FALH Item Without Electric heater PKA-P4FAL Function Cooling Heating Btu/h 32,200 37,200(45,400) Capacity 9,450 10,900(13,300) Total input 3.59 3.78(6.18) With Electric heater PKH-P4FALH Service Ref. Without Electric heater PKA-P4FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.11 0.11<2.40>...
  • Page 16 4. Cooling only type Service Ref. PKA-P2.5FAL Item Function Cooling Btu/h 22,200 Capacity 6,500 Total input 2.67 Service Ref. PKA-P2.5FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09 Running current 0.43 Starting current 0.80 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 17 Service Ref. PKA-P3FAL Item Function Cooling 27,000 Btu/h Capacity 7,900 Total input 3.44 Service Ref. PKA-P3FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.09 Running current 0.43 Starting current 0.80 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 18 Service Ref. PKA-P4FAL Item Function Cooling Btu/h 32,200 Capacity 9,450 Total input 3.59 Service Ref. PKA-P4FAL Power supply(phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.11 Running current 0.52 Starting current 0.90 External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No.

  • Page 19: Data

    DATA 1. PERFORMANCE DATA 1) COOLING CAPACITY(1) PKH-P2.5FALH, PKH-P2.5FALH PKA-P2.5FAL, PKA-P2.5FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 6,435 4,505 0.70 2.18 6,240 4,368 0.70 2.30 6,045 4,232 0.70 2.43 6,890 3,996...
  • Page 20 COOLING CAPACITY(2) PKH-P2.5FALH, PKH-P2.5FALH PKA-P2.5FAL, PKA-P2.5FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 5,785 4,050 0.70 2.61 5,525 3,868 0.70 2.80 5,265 3,686 0.70 3.03 6,240 3,619 0.58 2.68 6,045 3,506 0.58...
  • Page 21 COOLING CAPACITY(3) PKH-P3FALH, PKH-P3FALH PKA-P3FAL, PKA-P3FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 7,821 5,005 0.64 2.74 7,584 4,854 0.64 2.90 7,347 4,702 0.64 3.07 8,374 4,354 0.52 2.80...
  • Page 22 COOLING CAPACITY(4) PKH-P3FALH, PKH-P3FALH PKA-P3FAL, PKA-P3FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 7,031 4,500 0.64 3.29 6,715 4,298 0.64 3.53 6,399 4,095 0.64 3.82 7,584 3,944 0.52 3.38...
  • Page 23 COOLING CAPACITY(5) PKH-P4FALH, PKH-P4FALH PKA-P4FAL, PKA-P4FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 9,603 6,338 0.66 2.78 9,312 6,146 0.66 2.93 9,021 5,954 0.66 3.11 10,282 5,552 0.54 2.83 9,991 5,395 0.54...
  • Page 24 COOLING CAPACITY(6) PKH-P4FALH, PKH-P4FALH PKA-P4FAL, PKA-P4FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 8,633 5,698 0.66 3.33 8,245 5,442 0.66 3.57 7,857 5,186 0.66 3.87 9,312 5,028 0.54 3.42 9,021 4,871 0.54...
  • Page 25 COOLING CAPACITY(7) PKH-P2.5FALH PKA-P2.5FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 6,435 4,505 0.70 2.14 6,240 4,368 0.70 2.26 6,045 4,232 0.70 2.39 6,890 3,996 0.58 2.18 6,695 3,883 0.58 2.30 6,468...
  • Page 26 COOLING CAPACITY(8) PKH-P2.5FALH PKA-P2.5FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 5,785 4,050 0.70 0.70 0.70 2.56 5,525 3,868 2.75 5,265 3,686 2.98 6,240 3,619 0.58 2.63 6,045 3,506 0.58 2.83 5,655...
  • Page 27 COOLING CAPACITY(9) PKH-P3FALH PKA-P3FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 7,821 5,005 0.64 2.75 7,584 4,854 0.64 2.91 7,347 4,702 0.64 3.08 8,374 4,354 0.52 2.80 8,137 4,231 0.52...
  • Page 28 COOLING CAPACITY(10) PKH-P3FALH PKA-P3FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 7,031 4,500 0.64 0.64 0.64 3.30 6,715 4,298 3.54 6,399 4,095 3.84 7,584 3,944 0.52 3.39 7,347 3,820 0.52...
  • Page 29 COOLING CAPACITY(11) PKH-P4FALH PKA-P4FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 9,356 6,175 0.66 0.66 0.66 2.87 9,072 5,988 3.03 8,789 5,800 3.21 10,017 5,409 0.54 2.93 9,734 5,256 0.54 3.09 9,403...
  • Page 30 COOLING CAPACITY(12) PKH-P4FALH PKA-P4FAL Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 8,411 5,551 0.66 0.66 0.66 3.45 8,033 5,301 3.70 7,655 5,052 4.00 9,072 4,899 0.54 3.54 8,789 4,746 0.54 3.81 8,222...
  • Page 31 7,215 2.55 8,140 2.84 9,065 3.05 PKH-P2.5FALH 4,366 1.79 4,736 2.00 5,180 2.31 6,808 2.71 7,844 3.04 8,732 3.27 PKA-P2.5FAL PKH-P3FALH 6,001 2.13 6,521 2.35 7,277 2.71 9,545 3.25 10,773 3.61 12,002 3.90 PKA-P3FAL 5,765 2.31 6,237 2.53 6,899 2.92 9,214 3.50...
  • Page 32 2. PERFORMANCE CURVE Cooling Heating Correcting the capacity line influenced by frosting. Not correcting the capacity line influenced by frosting. INDOOR INDOOR D.B.(°C) W.B.(°C) INDOOR INDOOR W.B.(°C) D.B.(°C) -12 -10 OUTDOOR D.B.(°C) OUTDOOR W.B.(°C)
  • Page 33 3. ELECTRICAL DATA 3.1. Heat pump type Indoor unit … 220V 50Hz Single phase Outdoor unit … 220V 50Hz Single phase / 380V 50Hz 3phase PKH-P2.5FALH PKH-P3FALH PKH-P4FALH With heater PKH-P2.5FALH PKH-P3FALH PKH-P4FALH Indoor unit PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Without heater Service PKA-P2.5FAL...
  • Page 34 3.2. Cooling only type Indoor unit … 220V 50Hz Single phase Outdoor unit … 220V 50Hz Single phase / 380V 50Hz 3phase PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Indoor unit PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Service Ref. PU-P2.5VGA Outdoor unit PU-P3VGA PU-P3YGA PU-P4YGA PU-P2.5VGA Mode Cool Cool Cool...
  • Page 35 3.3. Heat pump type Indoor unit … 220V 50Hz Single phase Outdoor unit … 220V 50Hz Single phase / 380V 50Hz 3phase PKH-P2.5FALH PKH-P3FALH PKH-P4FALH Indoor unit PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Model Outdoor unit PUH-P2.5VGAA.UK PUH-P2.5YGAA.UK PUH-P3VGAA.UK PUH-P3YGAA.UK PUH-P4YGAA.UK PUH-P4YGAA.UK Mode...
  • Page 36 3.4. Cooling only type Indoor unit … 220V 50Hz Single phase Outdoor unit … 220V 50Hz Single phase / 380V 50Hz 3phase Model PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Indoor unit Outdoor unit PU-P2.5VGAA.UK PU-P2.5YGAA.UK PU-P3VGAA.UK PU-P3YGAA.UK PU-P4VGAA.UK PU-P4YGAA.UK Mode Cool Cool Cool Cool Cool Cool...

  • Page 37: Standard Operation Data

    4. STANDARD OPERATION DATA 4.1.Heat pump type PKH-P2.5FALH PKH-P3FALH PKH-P4FALH With electric heater PKH-P2.5FALH PKH-P3FALH PKH-P4FALH Service Ref. PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Without electric heater PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 7,400 7,400...
  • Page 38 4.2.Heat pump type With electric heater PKH-P2.5FALH PKH-P3FALH PKH-P4FALH Service Ref. Without electric heater PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 7,400 7,400 9,450 9,450 10,900 10,900 Capacity 6,500 6,500 7,900...

  • Page 39: Service Ref

    4.3.Cooling only type PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Service Ref. PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Mode Cooling Cooling Cooling Cooling Capacity 6,500 7,900 7,900 9,700 Input 2.72 3.43 3.43 3.47 PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Indoor unit Service Ref. PKA-P2.5FAL PKA-P3FAL PKA-P4FAL Phase,Hz 1,50 1,50 1,50 Volts Amperes 0.43...

  • Page 40: Temperature

    The unit of pressure has been changed to Mpa on the international system of unit (SI unit system). The converted score against the traditional unit system can be gotten according to the formula below. 1(Mpa ) = 10.2(kg/F 5. OUTLET AIR SPEED AND COVERAGE RANGE PKH-P2.5FALH PKH-P3FALH PKH-P4FALH PKH-P2.5FALH PKH-P3FALH PKH-P4FALH PKH-P2.5FALH...

  • Page 41: Noise Criterion Curves

    6. NOISE CRITERION CURVES PKH-P2.5/3FALH PKH-P4FALH SPL(dB) NOTCH SPL(dB) LINE NOTCH LINE PKH-P4FALH PKH-P2.5/3FALH PKH-P2.5/3FALH PKH-P4FALH PKA-P4FAL PKA-P2.5/3FAL PKA-P2.5/3FAL PKA-P4FAL PKA-P4FAL PKA-P2.5/3FAL NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE TERESHOLD OF TERESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20...

  • Page 42: Outlines And Dimensions

    OUTLINES AND DIMENSIONS PKH-P2.5FALH, PKA-P2.5FAL Unit : mm PKH-P2.5FALH , PKA-P2.5FAL PKH-P2.5FALH , PKA-P2.5FAL PKH-P3FALH, PKA-P3FAL PKH-P3FALH PKA-P3FAL PKH-P3FALH PKA-P3FAL Display section Emergency switch(Heat) Receiving Emergency switch(Cool) section Defrosting Initial heating lamp Power lamp Front Right side 1400 Left side...
  • Page 43 PKH-P4FALH, PKA-P4FAL Unit : mm PKH-P4FALH , PKA-P4FAL PKH-P4FALH , PKA-P4FAL Display section Emergency switch(Heat) Emergency switch(Cool) Receiving section Defrosting Initial heating lamp Power lamp Front Knock out hole for right piping Right side Left side 1680 1370 Air intake Knock out hole for left piping Terminal block for indoor/outdoor connecting line Liquid pipe...

  • Page 44: Wiring Diagram

    WIRING DIAGRAM PKH-P2.5FALH, PKH-P3FALH, PKH-P4FALH PKH-P2.5FALH , PKH-P3FALH , PKH-P4FALH PKH-P2.5FALH , PKH-P3FALH , PKH-P4FALH PKA-P2.5FAL, PKA-P3FAL, PKA-P4FAL PKA-P2.5FAL , PKA-P3FAL PKA-P4FAL PKA-P2.5FAL , PKA-P3FAL PKA-P4FAL <PUH-P2.5YGA(A)> <PU(H)-P2.5,3VGA(A)> <PU(H)-P3,4YGA(A)> <PU(H)-P2.5,3,4VGAA.UK> <PUH-P2.5,3,4YGAA.UK> INDOOR UNIT CN2S(WHT) POWER SUPPLY POWER SUPPLY ~(1PHASE) 3N~(3PHASE 4WIRES)

  • Page 45: Refrigerant System Diagram

    PKH-P2.5FALH, PKA-P2.5FAL / PUH-P2.5VGA, PUH-P2.5YGA, PUH-P2.5VGA , PUH-P2.5YGA PKH-P2.5FALH , PKA-P2.5FAL / PUH-P2.5VGA, PUH-P2.5YGA, PUH-P2.5VGA , PUH-P2.5YGA PKH-P2.5FALH ,PKA-P2.5FAL / PUH-P2.5VGAA.UK, PUH-P2.5YGAA.UK PKH-P3FALH, PKA-P3FAL / PUH-P3VGA, PUH-P3YGA PKH-P3FALH , PKA-P3FAL / PUH-P3VGA, PUH-P3YGA Unit : mm PKH-P3FALH , PKA-P3FAL / PUH-P3VGAA.UK, PUH-P3YGAA.UK <4-Way valve solenoid coil>...
  • Page 46 PKA-P2.5FAL / PU-P2.5VGA, PU-P2.5VGA PKA-P2.5FAL / PU-P2.5VGA, PU-P2.5VGA PKA-P2.5FAL / PU-P2.5VGAA.UK, PU-P2.5VGAA.UK PKA-P3FAL / PU-P3VGA, PU-P3YGA PKA-P3FAL / PU-P3VGA, PU-P3YGA PKA-P3FAL / PU-P3VGAA.UK, PU-P3YGAA.UK Unit : mm Refrigerant flow in cooling High pressure protect switch Refrigerant pipe Indoor unit Outdoor unit 15.88mm( 5/8") Outdoor heat exchanger...

  • Page 47: Troubleshooting

    TROUBLESHOOTING How to check the parts PKH-P2.5/3/4FALH, PKH-P2.5/3/4FALH , PKH-P2.5/3/4FALH PKA-P2.5/3/4FAL, PKA-P2.5/3/4FAL , PKA-P2.5/3/4FAL 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 Condenser/evaporator 4.3k"~9.6k"...

  • Page 48: Disassembly Procedure

    DISASSEMBLY PROCEDURE PKH-P3FALH, PKA-P3FAL PKH-P3FALH , PKA-P3FAL PKH-P3FALH , PKA-P3FAL OPERATING PROCEDURE PHOTOS&ILLUSTRATION 1. Removing the lower side of the indoor unit from the Figure 1 installation plate (1) Remove the 2 screws. Hang the indoor unit hangers to the catches on the instal- lation plate.
  • Page 49 OPERATING PROCEDURE PHOTOS&ILLUSTRATION (9) Remove the screws of the indoor controller board case, Photo 3 and pull out the indoor controller board case. Relay Then the indoor power board, the capacitor and the relay can be serviced. Indoor Capacitor power board Indoor controller board case Electrical parts box...
  • Page 50 OPERATING PROCEDURE PHOTOS 8. Removing the line flow fan and the fan motor Photo 7 (1) Remove the left and right side panels. (2) Remove the grilles. (3) Remove the electrical parts box. Screw Line flow fan (4) Remove the drain pan. (5) Loosen the screw that fixes the line flow fan to the fan Fan motor motor.

  • Page 51: Parts List

    PARTS LIST PKH-P2.5FALH, PKA-P2.5FAL STRUCTURAL PARTS PKH-P2.5FALH , PKA-P2.5FAL PKH-P2.5FALH, PKA-P2.5FAL PKH-P2.5FALH , PKA-P2.5FAL PKH-P2.5FALH , PKA-P2.5FAL PKH-P2.5FALH , PKA-P2.5FAL Part numbers that is circled is not shown in the figure. Price ty/set Wiring Recom- Remarks Part No. Part Name Specification Diagram PKH-P2.5...

  • Page 52: Pka-P3Fal

    PKH-P3FALH, PKA-P3FAL STRUCTURAL PARTS PKH-P3FALH , PKA-P3FAL PKH-P3FALH, PKA-P3FAL PKH-P3FALH , PKA-P3FAL PKH-P3FALH , PKA-P3FAL PKH-P3FALH , PKA-P3FAL Part numbers that is circled is not shown in the figure. Price ty/set Wiring Recom- Remarks Part No. Part Name Specification PKH-P3...

  • Page 53: Pka-P4Fal

    PKH-P4FALH, PKA-P4FAL STRUCTURAL PARTS PKH-P4FALH , PKA-P4FAL PKH-P4FALH, PKA-P4FAL PKH-P4FALH , PKA-P4FAL PKH-P4FALH , PKA-P4FAL PKH-P4FALH , PKA-P4FAL Part numbers that is circled is not shown in the figure. Price ty/set Wiring Recom- Remarks Part No. Part Name Specification PKH-P4 PKA-P4 Diagram mended...

  • Page 54: Pka-P2.5Fal

    PKH-P2.5FALH, PKA-P2.5FAL ELECTRICAL PARTS PKH-P2.5FALH , PKA-P2.5FAL PKH-P2.5FALH , PKA-P2.5FAL 15 16 Price ty/set Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PKH-P2.5 PKA- P2.5 ( Drawing No. ) Unit Amount Symbol FALH FALH FALH FAL FAL R01 Z61 102 BEARING MOUNT R01 12G 114 LEFT LINEFLOW FAN...
  • Page 55 From the previous page. Part numbers that is circled is not shown in the figure. ty/set Price Recom- Wiring Remarks Part No. Part Name Specification Diagram mended PKH-P2.5 PKA-P2.5 ( Drawing No. ) Unit Amount Symbol FALH FALH FALH 250V 4A T7W E00 239 FUSE (BG02A648G02)

  • Page 56: Pka-P3Fal

    PKH-P3FALH, PKA-P3FAL ELECTRICAL PARTS PKH-P3FALH , PKA-P3FAL PKH-P3FALH , PKA-P3FAL 15 16 Price ty/set Wiring Recom- Remarks Part No. Part Name Specification PKH-P3 PKA- P3 Diagram mended ( Drawing No. ) Unit Amount Symbol FALH FALH FALH FAL FAL R01 Z61 102...
  • Page 57 From the previous page. Part numbers that is circled is not shown in the figure. ty/set Price Wiring Recom- Remarks Part No. Part Name Specification PKH-P3 PKA-P3 Diagram mended ( Drawing No. ) Unit Amount Symbol FALH FALH FALH 250V 4A T7W E00 239 FUSE (BG02A648G02)

  • Page 58: Pka-P4Fal

    PKH-P4FALH, PKA-P4FAL ELECTRICAL PARTS PKH-P4FALH , PKA-P4FAL PKH-P4FALH , PKA-P4FAL 15 16 Price ty/set Recom- Wiring Remarks Part No. Part Name Diagram mended Specification PKH-P4 PKA- P4 ( Drawing No. ) Unit Amount Symbol FALH FALH FALH FAL FAL R01 Z61 102 BEARING MOUNT R01 16G 114 LEFT LINEFLOW FAN...
  • Page 59 From the previous page. Part numbers that is circled is not shown in the figure. ty/set Price Recom- Wiring Remarks Part No. Part Name Specification PKH-P4 PKA-P4 Diagram mended ( Drawing No. ) Unit Amount Symbol FALH FALH FALH 250V 4A T7W E00 239 FUSE CONTROLLER COVER...

  • Page 60: Optional Parts

    Part No. PAC-SE88DM-E HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI,CHIYODA-KU TOKYO 100-8310, JAPAN cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Oct. 2001. No.OC175 REVISED EDITION-B 250 New publication, effective Oct. 2001 Issued in Jan. 2000. No.OC175 REVISED EDITION-A 42 Specifications subject to change without notice Issued in Mar.

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