Mitsubishi Electric PKFY Series Technical & Service Manual
Mitsubishi Electric PKFY Series Technical & Service Manual

Mitsubishi Electric PKFY Series Technical & Service Manual

Split-type, heat pmup air conditioners
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SPLIT-TYPE, HEAT PMUP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PKFY
Wall Mounted
<Indoor unit>
[Model names]
PKFY-P63VFM-A
PKFY-P100VFM-A
Indoor unit
• PKFY-P63VFM-A
PKFY-P100VFM-A
1,
PKFY-P63VFM-A
and PKFY-P100VFM-A
2
are added in REVISED EDITION-A.
• Please void OC251,OC270.
All manuals and user guides at all-guides.com
R407C / R22
[Service Ref.]
PKFY-P63VFM-A
PKFY-P63VFM-A
PKFY-P63VFM-A
PKFY-P100VFM-A
PKFY-P100VFM-A
PKFY-P100VFM-A
1,
2
REVISED EDITION-A
1
2
1
2
CONTENTS
1. TECHNICAL CHANGES ···························2
2. SAFETY PRECAUTION····························3
3. PART NAMES AND FUNCTIONS ············5
4. SPECIFICATIONS·····································7
5. OUTLINES AND DIMENSIONS················9
6. WIRING DIAGRAM ·································11
8. TROUBLE SHOOTING ···························14
9. DISASSEMBLY PROCEDURE ···············19
10. PARTS LIST············································22
11. OPTIONAL PARTS ················Back Cover
2003
No. OC251

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Summary of Contents for Mitsubishi Electric PKFY Series

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com SPLIT-TYPE, HEAT PMUP AIR CONDITIONERS 2003 No. OC251 REVISED EDITION-A TECHNICAL & SERVICE MANUAL R407C / R22 Series PKFY Wall Mounted <Indoor unit> [Model names] [Service Ref.] PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A CONTENTS...
  • Page 2: Technical Changes

    All manuals and user guides at all-guides.com TECHNICAL CHANGES ·PKFY-P63VFM-A PKFY-P63VFM-A ·PKFY-P100VFM-A PKFY-P100VFM-A (CHANGE POINTS) Change of the service parts. Refer to 10.PARTS LIST for details. 1. DRAIN PAN shape has changed. 2. NOSE shape has changed. 3. BOX ASSEMBLY shape has changed. ·PKFY-P63VFM-A PKFY-P63VFM-A ·PKFY-P100VFM-A...
  • Page 3: Safety Precaution

    All manuals and user guides at all-guides.com SAFETY PRECAUTION Cautions for using with the outdoor unit which adopts R407C refrigerant. · Do not use the existing refrigerant piping. -The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit.
  • Page 4 All manuals and user guides at all-guides.com [1] 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.
  • Page 5: Part Names And Functions

    All manuals and user guides at all-guides.com PART NAMES AND FUNCTIONS Indoor Unit PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A Air intake Filter Air intake grille (Removes dust and dirt from the intake air.) Room air is suctioned in here. Guide vane Auto vane Air flow can be changed to horizontally by moving the Guide vane to the left or...
  • Page 6 All manuals and user guides at all-guides.com Display In this display example on the bot- CENTRALLY CLOCK display tom left, a condition where all dis- CONTROLLED display play lamps light is shown for expla- The current time , start time and stop time can be displayed in ten second nation purposes although this differs This indicates when the unit is con-...
  • Page 7: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS 4-1. Specification PKFY-P63VFM-A PKFY-P100VFM-A Unit PKFY-P63VFM-A PKFY-P100VFM-A Item PKFY-P63VFM-A PKFY-P100VFM-A Power source [,V,Hz Single phase, 220-230-240V, 50Hz / 220V, 60Hz Cooling capacity 11.2 Heating capacity 12.5 0.09 - 0.09 - 0.09 0.11 - 0.12 - 0.12 0.11 - 0.11 - 0.11 0.13 - 0.14 - 0.14 Cooling...
  • Page 8 All manuals and user guides at all-guides.com 4-2. Electrical parts specifications PKFY-P100VFM-A PKFY-P63VFM-A Service Ref. PKFY-P100VFM-A Symbol PKFY-P63VFM-A PKFY-P100VFM-A Parts name PKFY-P63VFM-A TH21 Room temperature thermistor Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.2kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ Liquid pipe temperature thermistor TH22 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.2kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ Gas pipe temperature thermistor TH23 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.2kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ...
  • Page 9: Outlines And Dimensions

    All manuals and user guides at all-guides.com OUTLINES AND DIMENSIONS PKFY-P63VFM-A Unit : mm PKFY-P63VFM-A PKFY-P63VFM-A...
  • Page 10 All manuals and user guides at all-guides.com PKFY-P100VFM-A Unit : mm PKFY-P100VFM-A PKFY-P100VFM-A...
  • Page 11: Wiring Diagram

    All manuals and user guides at all-guides.com WIRING DIAGRAM PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P63VFM-A PKFY-P100VFM-A Symbol Name Symbol Name Symbol Name Indoor controller board Capacitor (fan motor) Circuit board CN32 Connector Remote switch Linear expansion valve Switch Mode selection CN41 HA terminal-A Fan motor (with inner thermo) Voltage selection Vane motor...
  • Page 12 All manuals and user guides at all-guides.com PKFY-P63VFM-A PKFY-P100VFM-A Symbol Symbol Symbol Name Name Name Capacitor (fan motor) Indoor controller board TH23 Thermistor Pipe temp.detection/Gas (0°C/15t,25°C/5.4t) Linear expansion valve CN32 Connector Remote switch Fan motor (with inner thermo) HA terminal-A Circuit board CN41 Centrally control...
  • Page 13: Refrigerant System Diagram

    All manuals and user guides at all-guides.com REFRIGERANT SYSTEM DIAGRAM PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A Gas pipe temperature Strainer (#50mesh) thermistor TH23 Gas pipe Liquid pipe temperature thermistor TH22 Flare connection Liquid pipe Heat exchanger Linear expansion valve Strainer (#100mesh) Strainer (#100mesh) Room temperature thermistor TH21...
  • Page 14: Trouble Shooting

    All manuals and user guides at all-guides.com TROUBLE SHOOTING 8-1. How to check PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH21) (Surrounding temperature 10:~30:) Liquid pipe temperature Normal Abnormal...
  • Page 15: Gas Pipe Temperature

    All manuals and user guides at all-guides.com <Thermistor Characteristic graph> < Thermistor for lower temperature > Room temperature thermistor(TH21) Thermistor for Liquid pipe temperature thermistor (TH22) lower temperature Gas pipe temperature thermistor (TH23) Thermistor R =15k' ± 3% Fixed number of B=3480k' ± 2% Rt=15exp { 3480( 273+t 15k'...
  • Page 16 All manuals and user guides at all-guides.com <Output pulse signal and the valve operation> Output Output (Phase) Closing a valve : 1 Opening a valve : 4 The output pulse shifts in above order. 1. When linear expansion valve operation stops, all output phase become OFF.
  • Page 17: Pkfy-P63Vfm-A

    All manuals and user guides at all-guides.com 8-2. FUNCTION OF DIP SWITCH PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A Operation by switch Switch Pole Function Remarks Thermistor<Intake temperature Indoor unit Built-in remote controller Address board detection>position Filter clogging detection Provided Not provided <At delivery>...
  • Page 18 All manuals and user guides at all-guides.com Switch Pole Operation by switch Remarks Address board SW11 1st digit Address can be set while the address unit is stopped. setting SW12 SW11 Address setting should be done when M-NET <At delivery> remote controller is being used.
  • Page 19: Disassembly Procedure

    All manuals and user guides at all-guides.com DISASSEMBLY PROCEDURE PKFY-P63VFM-A, PKFY-P63VFM-A , PKFY-P63VFM-A OPERATING PROCEDURE PHOTOS & ILLUSTRATION 1. Removing the lower side of the indoor unit from the instal- lation plate Figure 1 Hanger of indoor unit (1) Remove the 2 screws. Hang the indoor unit hangers to the catches on the instal- Catch of installation plate lation plate.
  • Page 20 All manuals and user guides at all-guides.com OPERATING PROCEDURE PHOTOS & ILLUSTRATION (7) Remove the indoor controller board case. Photo 3 Then the Power board and the capacitor can be serviced. Capacitor Power board Terminal block Electrical parts box 5. Removing the vane motor Photo 4 (1) Remove the right side panel.
  • Page 21 All manuals and user guides at all-guides.com OPERATING PROCEDURE PHOTOS 8. Removing the lineflow 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 Lineflow fan (4) Remove the drain pan.
  • Page 22: Parts List

    All manuals and user guides at all-guides.com PARTS LIST STRUCTURAL PARTS PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A Part number that is circled is not shown in the figure. Q'ty / set Price Wiring Recom- Remarks PKFY-P63 Part No. Part Name Specification Diagram mended (Drawing No.) Symbol Q'ty...
  • Page 23: Pkfy-P100Vfm-A

    All manuals and user guides at all-guides.com STRUCTURAL PARTS PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A Part number that is circled is not shown in the figure. Q'ty / set Price Wiring Recom- Remarks PKFY-P100 Part No. Part Name Specification Diagram mended (Drawing No.) Symbol Q'ty Unit...
  • Page 24 All manuals and user guides at all-guides.com ELECTRICAL PARTS PKFY-P63VFM-A PKFY-P63VFM-A PKFY-P63VFM-A 36 35 1Hr. CENTRALLY CONTROLLED ON OFF ˚C CHECK CLOCK FILTER CHECK MODE ˚C TEST RUN STAND BY DEFROST ERROR CODE NOT AVAILABLE FUNCTION TEMP. ON/OFF FILTER CHECK TEST PAR-20MAA TIMER SET Q'ty / set...
  • Page 25 All manuals and user guides at all-guides.com Part number that is circled is not shown in the figure Q'ty / set Price Wiring Recom- Remarks Part No. Part Name Specification PKFY-P63 Diagram mended (Drawing No.) Symbol Q'ty Unit Amount VFM-A VFM-A VFM-A T7W E03 223...
  • Page 26 All manuals and user guides at all-guides.com ELECTRICAL PARTS PKFY-P100VFM-A PKFY-P100VFM-A PKFY-P100VFM-A 36 35 CENTRALLY CONTROLLED 1Hr. ON OFF ˚C CHECK CLOCK FILTER CHECK MODE ˚C TEST RUN STAND BY DEFROST ERROR CODE NOT AVAILABLE FUNCTION TEMP. ON/OFF FILTER CHECK TEST PAR-20MAA TIMER SET Q'ty / set...
  • Page 27 All manuals and user guides at all-guides.com Part number that is circled is not shown in the figure Q'ty / set Price Wiring Recom- Remarks Part No. Part Name Specification PKFY-P100 Diagram mended (Drawing No.) Symbol Q'ty Unit Amount VFM-A VFM-A VFM-A T7W E03 223...
  • Page 28: Optional Parts

    Part No. PAC-SE89DMA-E HEAD OFFICE : MISTUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI CHIYODU-KU, TOKYO100-8310, JAPAN cCopyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD. Distriduted in Mar. 2003 No. OC251 REVISED EDITION-A PDF 716 Distriduted in Mar. 2001 No. OC251 475 New publication, effective Mar. 2003...

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