Table of Contents
Advertisement
Quick Links
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PLFY
Indoor unit
[Model names]
PLFY-P32VKM
PLFY-P40VKM
PLFY-P50VKM
PLFY-P63VKM
INDOOR UNIT
Ceiling Cassettes
Service Ref.]
[
PLFY-P32VKM.UK
PLFY-P40VKM.UK
PLFY-P50VKM.UK
PLFY-P63VKM.UK
R407C
R22
CONTENTS
1. SAFETY PRECAUTION ·······················3
2. PART NAMES AND FUNCTIONS ········4
3. SPECIFICATIONS·································6
4. OUTLINES AND DIMENSIONS············8
5. WIRING DIAGRAM·······························9
7. TROUBLE SHOOTING ·······················11
8. DISASSEMBLY PROCEDURE···········16
9. PARTS LIST········································19
No. OC204
Advertisement
Table of Contents
Related Manuals for Mitsubishi Electric PLFY-P32VKM
Summary of Contents for Mitsubishi Electric PLFY-P32VKM
-
Page 1: Table Of Contents
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS No. OC204 TECHNICAL & SERVICE MANUAL Ceiling Cassettes Series PLFY R407C Indoor unit [Model names] Service Ref.] PLFY-P32VKM.UK PLFY-P32VKM PLFY-P40VKM.UK PLFY-P40VKM PLFY-P50VKM.UK PLFY-P50VKM PLFY-P63VKM.UK PLFY-P63VKM CONTENTS 1. SAFETY PRECAUTION ·······················3 2. PART NAMES AND FUNCTIONS ········4 3. -
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 refrigerator oil in the existing piping contains a large amount of chlorine which may cause the refrigerator oil of the new unit to deteriorate. -
Page 4: Part Names And Functions
PART NAMES AND FUNCTIONS Indoor (Main) Unit Filters Removes dust and pollutants from intake air Horizontal Air Outlet Sets horizontal air flow automatically during cooling or dehumidifying. Grille Auto Air Swing Vane Disperses airflow up and down and adjusts the angle of airflow direction. - Page 5 Display In this display example on the CENTRALLY CLOCK display bottom left, a condition where all CONTROLLED display display lamps light is shown for The current time , start time and stop explanation purposes although this time can be displayed in ten second This indicates when the unit is intervals by pressing the time switch controlled by optional features such...
-
Page 6: Specifications
SPECIFICATIONS 3-1. Specification Item PLFY-P32VKM.UK PLFY-P40VKM.UK PLFY-P50VKM.UK PLFY-P63VKM.UK Power Single phase 220V-240V 50 Hz V·Hz 3,150 4,000 5,000 6,300 kcal/h Cooling 12,500 15,900 19,800 25,000 BTU/h capacity 3,550 4,500 5,600 7,100 kcal/h Heating 14,100 17,900 22,200 28,200 BTU/h capacity Cooling 0.13... - Page 7 3-2. Electrical parts specifications Model Symbol PLFY-P32VKM.UK PLFY-P40VKM.UK PLFY-P50VKM.UK PLFY-P63VKM.UK Parts name Transformer (Primary) 50/60Hz 220-240V (Secondary) (18.4V 1.7A) 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...
-
Page 8: Outlines And Dimensions
OUTLINES AND DIMENSIONS PLFY-P32VKM.UK, PLFY-P40VKM.UK PLFY-P50VKM.UK, PLFY-P63VKM.UK Unit : mm NOTE 1.The electrical parts box may be removed during servic- ing. When connecting the power line and the control wire,provide enough length to the electric wires. NOTE 2.When installing the optional high-efficiency filter,the dimension between the transom and ceiling shall be more than 440mm. -
Page 9: Wiring Diagram
WIRING DIAGRAM PLFY-P32VKM.UK, PLFY-P40VKM.UK PLFY-P50VKM.UK, PLFY-P63VKM.UK POWER SUPPLY GRILLE ~/N 220-240V 50Hz BREAKER (15A) 5 10 FUSE(15A) PULL BOX GRN/YLW TO NEXT INDOOR UNIT AC220-240V AC18.4V (SHIELD) CN3T (WHT) FAN1 TRANS CN2M TRANS (GRN) (BLU) TO OUTDOOR UNIT (RED) (RED) -
Page 10: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PLFY-P32VKM.UK, PLFY-P40VKM.UK PLFY-P50VKM.UK, PLFY-P63VKM.UK Strainer (#50mesh) Gas pipe thermistor TH23 Gas pipe Liquid pipe thermistor TH22 Flare connection Heat exchanger Linear expansion valve Strainer (#100mesh) Strainer (#100mesh) Room temparature thermistor TH21 Service Ref. PLFY-P32,P40VKM.UK PLFY-P50,P63VKM.UK Item [12.7<1/2F>... -
Page 11: Trouble Shooting
TROUBLE SHOOTING 7-1. How to check the parts PLFY-P•VKM.UK Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH21) (Surrounding temperature 10°W~30°C) Liquid pipe thermistor (TH22) Normal Abnormal (Refer to the thermistor) Gas pipe thermistor 4.3kΩ~9.6kΩ... - Page 12 <Output pulse signal and the valve operation> Output Output (Phase) Closing a valve : 1 Opening a valve : 4 The output pulse shifts in the above order. 1. When linear expansion valve operation stops, all output phases become OFF. 2.
- Page 13 <Thermistor Characteristic graph> < Thermistor for lower temperature > Room temperature thermistor(TH21) Thermistor for Liquid pipe thermistor(TH22) lower temperature Gas pipe temperature thermistor(TH23) Drain sensor(THD) Thermistor R =15k' ± 3% Fixed number of B=3480k' ± 2% Rt=15exp { 3480( 273+t 15k' 9.6k' 6.3k'...
- Page 14 7-2. FUNCTION OF DIP SWITCHES Operation by switch Switch Pole Function Remarks Thermistor <intake temperature Built-in remote controller Indoor unit Address board detection> position Filter clogging detection Provided Not provided <At delivery> Filter cleaning sign 2,500hr 100hr Air intake Effective Not effective 1 2 3 4 5 6 7 8 9 10 Remote indication switching...
- Page 15 Switch Pole Operation by switch Remarks Address board Ceiling height can be changed depending on SWB setting. (High ceiling) <At delivery> Set the (Standard) Ceiling height (Silent) Address board Not used <At delivery> Discharge 3 way 3 way 2.7m 3.0m 3.3m 4 way 2.4m...
-
Page 16: Disassembly Procedure
DISASSEMBLY PROCEDURE 1. INDOOR UNIT Be careful on removing heavy parts. PLFY-P63VKM.UK OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Shaft 1. Removing the air intake grille Figure 1 PUSH (1) Press the button. (2) Open the intake grille 90°. (3) Remove the clip. (4) Slide the shaft in the hinge to the left and remove the intake grille. - Page 17 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 5. Removing the room temperature thermistor Photo 5 (1) Remove the fan guard. Indoor controller board (2) Remove the electrical box cover (3) Remove the holder and the room temperature thermistor by pulling the catch. (4) Disconnect the red connector, CN20, on the indoor Room controller board.
- Page 18 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 9. Removing the drain pump and drain sensor Photo 9 Drain hose Drain sensor holder (1) Remove the panel. (2) Remove the fan guard. (3) Remove the electrical parts cover. (4) Remove the electrical parts box. (5) Remove the drain pan. (6) Remove 4 screws of the drain pump.
-
Page 19: Parts List
PARTS LIST PANEL PARTS PLFY-P32VKM.UK PLFY-P40VKM.UK PLFY-P50VKM.UK PLFY-P63VKM.UK Q'ty/set Price Wiring Recom- Remarks PLFY-P32/P40/ Diagram mended Part No. Part Name Specification P50/P63 (Drawing No.) Unit Amount Symbol Q'ty VKM.UK S70 29H 003 AIR OUTLET GRILLE S70 29H 500 AIR FILTER... - Page 20 FUNCTIONAL PARTS PLFY-P32VKM.UK PLFY-P40VKM.UK PLFY-P50VKM.UK PLFY-P63VKM.UK...
- Page 21 Q'ty/set Price Wiring Recom- Remarks Diagram mended PLFY-P·VKM.UK Part No. Part Name Specification (Drawing No.) Unit Amount Symbol Q'ty P32 P40 P50 P63 S70 002 687 BASE S70 101 130 S70 100 130 S70 101 130 S70 100 130 S70 E00 762 FAN MOTOR PAI-V30F S70 001 133...
- Page 22 PANEL PARTS PLFY-P32VKM.UK PLFY-P40VKM.UK PLFY-P50VKM.UK PLFY-P63VKM.UK Q'ty/set Price Wiring Recom- Remarks PLFY-P32/P40 Diagram mended Part No. Part Name Specification /P50/P63 (Drawing No.) Unit Amount Symbol Q'ty VKM.UK S70 29H 002 AUTO VANE S70 29H 085 AIR GUIDE S70 29H 223...
- Page 24 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. New publication, effective Dec. 1999 Issued in Dec. 1999. No. OC204 300 Specifications subject to change without notice Issued in Dec. 1999. No. OC204 242...
Need help?
Do you have a question about the PLFY-P32VKM and is the answer not in the manual?
Questions and answers