Table of Contents
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model names]
PKFY-P63VKM-E.TH
PKFY-P63VKM-E
PKFY-P63VKM-ER1.TH
PKFY-P100VKM-E.TH
PKFY-P100VKM-E
PKFY-P100VKM-ER1.TH
INDOOR UNIT
[Service Ref.]
R410A
R407C
CONTENTS
1. TECHNICAL CHANGES ......................... 2
2. SAFETY PRECAUTION .......................... 2
3. PART NAMES AND FUNCTIONS .......... 6
4. SPECIFICATION ................................... 14
5. OUTLINES AND DIMENSIONS ............ 16
6. WIRING DIAGRAM ............................... 17
7. REFRIGERANT SYSTEM DIAGRAM ........ 19
8. TROUBLESHOOTING .......................... 19
9. DISASSEMBLY PROCEDURE ............. 27
PARTS CATALOG (OCB447)
December 2012
No. OCH447
REVISED EDITION-B
R22
Revision:
• PKFY-P63/100VKM-ER1.TH
have been added in
REVISED EDITION-B.
• Some descriptions have
been modified.
• Please void OCH447
REVISED EDITION-A.
Note:
• This manual describes only
service data of the indoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
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Related Manuals for Mitsubishi PKFY-P63VKM-E.TH
Summary of Contents for Mitsubishi PKFY-P63VKM-E.TH
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Page 1: Table Of Contents
No. OCH447 REVISED EDITION-B TECHNICAL & SERVICE MANUAL R410A R407C Indoor unit Revision: [Model names] [Service Ref.] • PKFY-P63/100VKM-ER1.TH PKFY-P63VKM-E.TH have been added in PKFY-P63VKM-E REVISED EDITION-B. • Some descriptions have PKFY-P63VKM-ER1.TH been modified. • Please void OCH447 PKFY-P100VKM-E.TH REVISED EDITION-A. -
Page 2: Technical Changes
TECHNICAL CHANGES PKFY-P63VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-E.TH PKFY-P100VKM-ER1.TH • INDOOR CONTROLLER BOARD (I.B.) has been changed. (S/W version up) SAFETY PRECAUTION CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R407C Do not use the existing refrigerant piping. Do not use a refrigerant other than R407C. - Page 3 [1] Cautions for 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. [2] Refrigerant recharging (1) Refrigerant recharging process 1Direct charging from the cylinder.
- Page 4 Cautions for units utilizing refrigerant R410A Use the following tools specifically designed for Do not use the existing refrigerant piping. use with R410A refrigerant. The old refrigerant and lubricant in the existing piping The following tools are necessary to use R410A refrigerant. contains a large amount of chlorine which may cause the Tools for R410A lubricant deterioration of the new unit.
- Page 5 [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 6: Part Names And Functions
PART NAMES AND FUNCTIONS 3-1. Indoor unit Front grille Filter Air inlet Emergency operation switch Air outlet Louver Vane OCH447B... - Page 7 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 8: 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 9 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 10 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 11 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 12: Operation Section
3-3. WIRED REMOTE CONTROLLER <PAR-21MAA> “Sensor” indication Display Section Displays 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 Time/Timer Display the relevant items will be lit. -
Page 13: Wireless Remote Controller
3-4. Wireless remote controller CHECK TEST RUN display CHECK and TEST RUN display indicate that the unit is being checked or test-run. display MODEL SELECT Blinks when model is selected. display Lights up while the signal is transmitted to the indoor unit when the button is pressed. display SET TEMP. -
Page 14: Specification
SPECIFICATION 4-1. Specif cations Model PKFY-P63VKM-E PKFY-P100VKM-E Power source 1-phase 220-240V 50Hz, 1-phase 220V 60Hz 11.2 Cooling capacity (Nominal) kcal/h 6,100 9,600 Btu/h 24,200 38,200 kcal/h 6,300 10,000 Power input 0.05 0.08 Current input 0.37 0.58 Heating capacity 12.5 (Nominal) kcal/h 6,900 10,800... -
Page 15: Sound Levels
4-2. Electrical parts specif cations Service Ref. PKFY-P63VKM-E.TH PKFY-P100VKM-E.TH Symbol PKFY-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH Parts name Room temperature TH21 Resistance 0 /15k , 10 /9.6k , 20 /6.3k , 25 /5.4k , 30 /4.3k , 40 /3.0k thermistor Liquid pipe thermistor TH22 Resistance 0 /15k , 10 /9.6k , 20 /6.3k , 25 /5.4k , 30 /4.3k , 40 /3.0k... -
Page 16: Outlines And Dimensions
OUTLINES AND DIMENSIONS PKFY-P63VKM-E.TH PKYF-P100VKM-E.TH Unit : mm PKFY-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH Top side 423.7 431.7 Right side Left side Front side Mount board Knockout hole for left piping (855) Operation lamp 1170 Knockout hole for DEFROST/STAND BY lamp right piping Receiver... -
Page 17: Wiring Diagram
WIRING DIAGRAM PKFY-P63VKM-E.TH PKYF-P100VKM-E.TH SYMBOL NAME SYMBOL NAME INDOOR CONTROLLER BOARD TH21 THERMISTOR ROOM TEMP. DETECTION (0°C/15kΩ, 25°C/5.4kΩ) CONNECTOR CN32 REMOTE SWITCH CN51 CENTRALLY CONTROL TH22 PIPE TEMP. DETECTION/LIQUID (0°C/15kΩ, 25°C/5.4kΩ) CN52 REMOTE INDICATION BUZZER TH23 PIPE TEMP. DETECTION/GAS1 (0°C/15kΩ, 25°C/5.4kΩ) SURGE ABSORBER FUSE FUSE (T3.15AL 250V) - Page 18 PKYF-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH SYMBOL NAME SYMBOL NAME INDOOR CONTROLLER BOARD TH21 THERMISTOR ROOM TEMP. DETECTION (0ºC/15kΩ, 25ºC/5.4kΩ) CONNECTOR CN32 REMOTE SWITCH CN51 CENTRALLY CONTROL TH22 PIPE TEMP. DETECTION / LIQUID (0ºC/15kΩ, 25ºC/5.4kΩ) CN52 REMOTE INDICATION CN100 IT TERMINAL TH23 PIPE TEMP. DETECTION / GAS1 (0ºC/15kΩ,25ºC/5.4kΩ) BUZZER FUSE FUSE (T3.15AL 250V)
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Page 19: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PKFY-P63VKM-E.TH PKYF-P100VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH Gas pipe thermistor (1) TH23 Strainer (#50mesh) Gas pipe Gas pipe thermistor (2) TH24 Flare connection Liquid pipe thermistor TH22 Heat exchanger Liquid pipe Linear expansion valve Strainer1 (#50mesh) Room temparature thermistor TH21... - Page 20 8-1-1. Thermistor <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) (TH24) Thermistor R =15k" ± 3% Fixed number of B=3480 ± 2% Rt=15exp { 3480( 273+t 15k"...
- Page 21 <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. •...
- Page 22 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...
- Page 23 8-2. Function of Dip switch PKFY-P63VKM-E.TH PKYF-P100VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH Operation by switch Effective Switch Pole Function Remarks timing Thermistor<Room temperature> Indoor unit Built-in remote controller Address board position Filter clogging detection Provided Not provided <Initial setting> Filter cleaning sign 2,500 hr...
- Page 24 Effective Switch Operation by switch Remarks timing • To operate each indoor unit by each remote controller when installed 2 indoor <Initial setting> units or more are near, Pair No. setting is necessary. Pattern A J41, J42 Pair No. setting is available with the 4 patterns (Setting patterns A to D). . Make setting for J41, J42 of indoor controller board and the Pair No.
- Page 25 8-3. TEST POINT DIAGRAM 8-3-1. Indoor controller board PKFY-P63VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-E.TH PKFY-P100VKM-ER1.TH CNMF Connect to the fan motor (MF) 1-3 : DC310~340V FUSE Power supply for CN2M 4-3 : DC15V Drain pump output 3.15A 250V indoor controller board Connect to the terminal block...
- Page 26 8-3-2. Wireless remote controller board PKFY-P63VKM-E.TH PKFY-P63VKM-ER1.TH LD101 PKFY-P100VKM-E.TH Connect to the PKFY-P100VKM-ER1.TH indoor controller board (I.B) 8-3-3. Address board PKFY-P63VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-E.TH PKFY-P100VKM-ER1.TH Function setting SW12 SW11 SW14 Address setting Address setting Branch No. 10ths DIGIT 1s DIGIT OCH447B...
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Page 27: Disassembly Procedure
DISASSEMBLY PROCEDURE PKFY-P63VKM-E.TH PKFY-P100VKM-E.TH PKFY-P63VKM-ER1.TH PKFY-P100VKM-ER1.TH Be careful when removing heavy parts. OPERATION PROCEDURE PHOTOS & ILLUSTRATIONS 1. REMOVING THE PANEL Photo 1 Front grille Screws (1) Press and unlock the knobs on both sides of the front grille and lift the front grille until it is level. Pull the hinges forward to remove the front grille. - Page 28 OPERATION PROCEDURE PHOTOS 3. REMOVING THE ELECTRICAL BOX Photo 4 Connect for ground Fixture (1) Remove the panel and the corner box. (Refer procedure to 1) (2) Remove the screw and hook of address board case. (3) Remove the front and side electrical box covers (each 1 screw).
- Page 29 OPERATION PROCEDURE PHOTOS 6. REMOVING THE INDOOR FAN MOTOR AND THE Photo 7 LINE FLOW FAN Screw of the motor band (1) Remove the panel and the corner box. (Refer to procedure 1) Lead wire of pipe thermistor (2) Remove the electrical box (Refer to procedure 2) and the nozzle assembly (Refer to procedure 4).
- Page 30 Room temp. thermistor (TH21) HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN Copyright 2008 MITSUBISHI ELECTRIC CORPORATION Distributed in Dec. 2012 No. OCH447 REVISED EDITION-B Distributed in May 2011 No. OCH447 REVISED EDITION-A Distributed in Nov. 2008 No. OCH447 PDF 6 New publication, effective Dec.