Mitsubishi Electric PCFY-P40VKM-E Technical & Service Manual
Split-type, heat pump air conditioners
series pcfy ceiling suspended
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Also See for PCFY-P40VKM-E:
- Operation manual (40 pages) ,
- Installation manual (64 pages) ,
- Operation manual (32 pages)
Table of Contents
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model names]
PCFY-P40VKM-E
PCFY-P63VKM-E
PCFY-P100VKM-E
PCFY-P125VKM-E
INDOOR UNIT
[Service Ref.]
PCFY-P40VKM-E
PCFY-P40VKM-ER1
PCFY-P63VKM-E
PCFY-P63VKM-ER1
PCFY-P100VKM-E
PCFY-P100VKM-ER1
PCFY-P125VKM-E
PCFY-P125VKM-ER1
Model name
indication
R410A
Revision:
• PCFY-P40/63/100/125VKM-ER1
have been added in REVISED
EDITION-A.
• Some descriptions have been
modified.
• Please void OCH449.
Note:
• This manual describes only
service data of the indoor units.
• RoHS compliant products have
<G> mark on the spec name
plate.
CONTENTS
1. TECHNICAL CHANGES ......................... 2
2. SAFETY PRECAUTION .......................... 2
3. PART NAMES AND FUNCTIONS .......... 4
4. SPECIFICATION ................................... 11
5. OUTLINES AND DIMENSIONS ............ 15
6. WIRING DIAGRAM ............................... 18
7. REFRIGERANT SYSTEM DIAGRAM ........ 20
8. TROUBLESHOOTING .......................... 21
9. DISASSEMBLY PROCEDURE ............. 30
PARTS CATALOG (OCB449)
December 2012
No. OCH449
REVISED EDITION-A
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Table of Contents
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Summary of Contents for Mitsubishi Electric PCFY-P40VKM-E
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Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS December 2012 No. OCH449 REVISED EDITION-A TECHNICAL & SERVICE MANUAL R410A Indoor unit [Model names] [Service Ref.] Revision: PCFY-P40VKM-E • PCFY-P40/63/100/125VKM-ER1 PCFY-P40VKM-E have been added in REVISED EDITION-A. PCFY-P40VKM-ER1 • Some descriptions have been modified. PCFY-P63VKM-E PCFY-P63VKM-E •... -
Page 2: Technical Changes
TECHNICAL CHANGES PCFY-P40VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-E PCFY-P63VKM-ER1 PCFY-P100VKM-E PCFY-P100VKM-ER1 PCFY-P125VKM-E PCFY-P125VKM-ER1 • INDOOR CONTROLLER BOARD (I.B.) has been changed. (S/W version up) SAFETY PRECAUTION Cautions for units utilizing refrigerant R410A Use the following tools specifically designed for Do not use the existing refrigerant piping. - Page 3 [1] Cautions for service (1) Perform service after recovering the refrigerant left in unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant.
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Page 4: Part Names And Functions
PART NAMES AND FUNCTIONS 3-1. INDOOR UNIT Louver Air outlet Vane Filter Air intake (Inside of Air intake) OCH449A... - Page 5 3-2. WIRED REMOTE CONTROLLER <PAR-30MAA/PAR-31MAA> Wired remote controller function * The functions which can be used are restricted according to the model. : Supported : Unsupported PAR-30MAA/PAR-31MAA Function PAR-21MAA Slim City multi Body Product size H × W × D (mm) 120 ×...
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Page 6: Basic Mode
The main display can be displayed in two different modes: "Full" and "Basic". The factory setting is "Full". To switch to the "Basic" mode, change the setting on the Main display setting. <Full mode> <Basic mode> * All icons are displayed for explanation. Cool Set temp. - Page 7 Menu structure Press the button. MENU Main menu Move the cursor to the desired item with the buttons, and press the button. SELECT Vane · Louver · Vent. (Lossnay) High power Timer On / Off timer Auto-Off timer Filter information Error information Weekly timer Energy saving...
- Page 8 Main menu list Setting and display items Setting details Vane · Louver · Vent. Use to set the vane angle. (Lossnay) • Select a desired vane setting from f ve different settings. Use to turn ON / OFF the louver. •...
- Page 9 Setting and display items Setting details Initial setting Display Make the settings for the remote controller related items as necessary. details Clock: The factory settings are "Yes" and "24h" format. Temperature: Set either Celsius (°C) or Fahrenheit (°F). Room temp. : Set Show or Hide. Auto mode: Set the Auto mode display or Only Auto display.
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Page 10: Operation Section
3-3. WIRED REMOTE CONTROLLER <PAR-21MAA> “Sensor” indication Display Section Displayed when the remote controller sensor is used. Day-of-Week For purposes of this explanation, Shows the current day of the week. all parts of the display are shown. During actual operation, only the Time/Timer Display relevant items will be lit. -
Page 11: Specification
SPECIFICATION 4-1. SPECIFICATIONS Model PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E 1-phase 220-240V 50Hz , 1-phase 220V 60Hz Power source Cooling capacity *1 kW 11.2 14.0 *1 kcal/h ( Nominal ) 3 , 900 6 , 100 9 , 600 12 , 000... -
Page 12: Sound Level
4-2. ELECTRICAL PARTS SPECIFICATIONS Service Ref. PCFY-P100VKM-E PCFY-P125VKM-E PCFY-P40VKM-E PCFY-P63VKM-E Symbol PCFY-P100VKM-ER1 PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 Parts name PCFY-P125VKM-ER1 Room temperature TH21 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Liquid pipe thermistor TH22 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ Gas pipe thermistor TH23 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ... - Page 13 4-4. NC CURVES PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 External static pressure : 0Pa External static pressure : 0Pa Power source : 220,230,240V, 50Hz / 220V, 60Hz Power source : 220,230,240V, 50Hz / 220V, 60Hz Middle2 Middle2 High High Middle1 Middle1 70.0 70.0...
- Page 14 4-5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS PCFY-P63VKM-E PCFY-P40VKM-E PCFY-P63VKM-ER1 PCFY-P40VKM-ER1 -100 -100 -150 -150 -200 -200 -250 -250 -300 -300 Airflow rate[m³/min] Airflow rate[m³/min] PCFY-P100, 125VKM-E How to read curves PCFY-P100, 125VKM-ER1 Duct characteristics Curve in the...
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Page 15: Outlines And Dimensions
OUTLINES AND DIMENSIONS PCFY-P40VKM-E Unit : mm PCFY-P40VKM-ER1 OCH449A... - Page 16 PCFY-P63VKM-E Unit : mm PCFY-P63VKM-ER1 OCH449A...
- Page 17 PCFY-P100VKM-E Unit : mm PCFY-P125VKM-E PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 OCH449A...
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Page 18: Wiring Diagram
WIRING DIAGRAM PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E NAME SYMBOL NAME SYMBOL PIPE TEMP. DETECTION / LIQUID I. B INDOOR CONTROLLER BOARD TH22 THERMISTOR (0°C / 15kΩ, 25°C / 5.4kΩ) CN27 CONNECTOR DAMPER CN32 REMOTE SWITCH PIPE TEMP. DETECTION / GAS TH23 (0°C / 15kΩ, 25°C / 5.4kΩ) - Page 19 PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 [LEGEND] NAME SYMBOL NAME SYMBOL PIPE TEMP. DETECTION / LIQUID I. B INDOOR CONTROLLER BOARD TH22 THERMISTOR (0°C / 15kΩ, 25°C / 5.4kΩ) CN27 CONNECTOR DAMPER CN32 REMOTE SWITCH TH23 PIPE TEMP. DETECTION / GAS (0°C / 15kΩ, 25°C / 5.4kΩ) CENTRALLY CONTROL CN51 CN52...
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Page 20: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 Refrigerant flow in cooling Refrigerant flow in heating Strainer (#100 mesh) Gas pipe thermistor TH23 Gas pipe Flare connection Liquid pipe thermistor TH22 Liquid pipe Heat exchanger Linear expansion valve... -
Page 21: Troubleshooting
TROUBLESHOOTING 8-1. HOW TO CHECK THE PARTS PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 Parts name Check points Room temperature Disconnect the connector then measure the resistance with a tester. thermistor (TH21) (At the ambient temperature of 10°C~30°C) Liquid pipe thermistor... -
Page 22: Linear Expansion Valve
8-1-1. Thermistor <Thermistor characteristic graph> < Thermistor for lower temperature > Thermistor for Room temperature thermistor (TH21) lower temperature Liquid pipe temperature thermistor (TH22) Gas pipe temperature thermistor (TH23) Thermistor R =15kΩ ± 3% Fixed number of B=3480 ± 2% Rt=15exp { 3480 ( 273+t 0°C... - Page 23 <Output pulse signal and the valve operation> Output Output (Phase) Closing a valve : 1 → 2 → 3 → 4 → 1 Opening a valve : 4 → 3 → 2 → 1 → 4 The output pulse shifts in above order. Note: ·...
- Page 24 8-1-3. DC Fan motor (fan motor/indoor controller circuit board) Check method of DC fan motor (fan motor/indoor controller circuit board) Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. board and fan motor.) (It causes trouble of the indoor controller circuit Self check...
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Page 25: Function Of Dip Switch
8-2. FUNCTION OF DIP SWITCH The black square ( ) indicates a switch position. Operation by switch Effective Switch Pole Function Remarks timing Thermistor <Room temperature Address board Built-in remote controller Indoor unit detection> position <Initial setting> Filter clogging detection Provided Not provided Filter cleaning... - Page 26 The black square ( ) indicates a switch position. Effective Switch Pole Operation by switch Remarks timing * Ceiling height can be changed depending Address board (High ceiling) on SWA setting. <Initial setting> Ceiling (Standard) height selector (Silent) High ceiling Silent Standard 3.5m...
- Page 27 8-3. TEST POINT DIAGRAM 8-3-1. Indoor controller board PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E CN60 Linear expansion valve (LEV) CN3A output Connect to the terminal block (TB15) 12VDC pulse output (MA-Remote controller connecting wire) : 8.7-13V DC (Pin (+)) CN52 Remote indicator...
- Page 28 PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 CN60 Linear expansion valve (LEV) CN3A output Connect to the terminal block (TB15) 12VDC pulse output (MA-Remote controller connecting wire) : 8.7-13V DC (Pin (+)) CN52 Remote indicator 1-2: Status lamp 12VDC (1 : +) Fan motor output (SW1-5 OFF) Vane motor output Thermostat ON (SW1-5 ON) 12VDC pulse...
- Page 29 8-3-2. Address board PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 Ceiling height Function setting selector SW12 SW11 SW14 Address setting Address setting Option selector Branch No. 10ths DIGIT 1st DIGIT OCH449A...
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Page 30: Disassembly Procedure
DISASSEMBLY PROCEDURE PCFY-P40VKM-E PCFY-P63VKM-E PCFY-P100VKM-E PCFY-P125VKM-E PCFY-P40VKM-ER1 PCFY-P63VKM-ER1 PCFY-P100VKM-ER1 PCFY-P125VKM-ER1 Be careful when removing heavy parts. (Photo: PCFY-P125VKM-E) OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Figure 1 1. Removing the air intake grille (1) Slide the air intake grille holding knobs (at 2 or 3 loca- tions) to the rear to open the air intake grille. - Page 31 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 3. Removing the room temperature thermistor (TH21) Photo 4 Casing (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the screw from the beam and remove the beam. (See Photo 1) (3) Remove 2 screws from the electrical cover, and remove the electrical cover.
- Page 32 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 5. Removing the fan (3 connection) Photo 9 Beam Fan guard (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the screw from the beam and remove the beam. (See Photo 1) (3) Remove 2 screws from the electrical cover, and remove the electrical cover.
- Page 33 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Photo 13 7. Removing the vane motor (1) Remove the air intake. (See Figure 1, 2) Vane motor Connector (2) Remove the right side panel. (See Figure 3) and cover (3) Remove the connector of vane motor. (4) Remove 2 screws of vane motor cover , then remove vane motor.
- Page 34 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Photo 18 10. Removing the pipe thermistors / Liquid (TH22) and Gas (TH23) (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the left and right side panels. (See Figure 3) (3) Remove the under panel. (See Photo 14) (4) Remove the drain pan.
- Page 35 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Photo 22 13. Removing the heat exchanger and LEV (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the beam. (See Photo 1) (3) Remove the electrical cover. (See Photo 1) (4) Pull the electrical box downward. (See Photo 2) (5) Disconnect the connector CN60 (white) from the indoor controller board.
- Page 36 HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN Copyright 2008 MITSUBISHI ELECTRIC CORPORATION Distributed in Dec. 2012 No. OCH449 REVISED EDITION-A Distributed in Dec. 2008 No. OCH449 PDF 7 New publication, effective Dec. 2012 Made in Japan...