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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PLFY
Indoor unit
[Model names]
PLFY-P80VAM
PLFY-P100VAM
PLFY-P125VAM
INDOOR UNIT
Ceiling Cassettes
[Service Ref.]
PLFY-P80VAM.UK
PLFY-P100VAM.UK
PLFY-P125VAM.UK
R407C
R22
CONTENTS
1. SAFETY PRECAUTION ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท3
2. PART NAMES AND FUNCTIONSยทยทยทยทยทยทยทยทยท5
3. SPECIFICATION ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท7
4. 4-WAY AIR FLOW SYSTEM ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท8
5. OUTLINES AND DIMENSIONS ยทยทยทยทยทยทยทยทยทยท12
6. WIRING DIAGRAM ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท13
7. REFRIGERANT SYSTEM DIAGRAMยทยทยทยท14
8. TROUBLE SHOOTING ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท15
9. DISASSEMBLY PROCEDURE ยทยทยทยทยทยทยทยทยทยทยท20
10. PARTS LIST ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท23
11. OPTIONAL PARTS ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท26
No. OC213
No. OC213
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Table of Contents
Related Manuals for Mitsubishi Electric PLFY-P80VAM
Summary of Contents for Mitsubishi Electric PLFY-P80VAM
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Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS No. OC213 No. OC213 TECHNICAL & SERVICE MANUAL Ceiling Cassettes Series PLFY R407C Indoor unit [Model names] [Service Ref.] PLFY-P80VAM.UK PLFY-P80VAM PLFY-P100VAM.UK PLFY-P100VAM PLFY-P125VAM.UK PLFY-P125VAM CONTENTS 1. SAFETY PRECAUTION ························3 2. PART NAMES AND FUNCTIONS·········5 3. SPECIFICATION ···································7 4. -
Page 3: Safety Precaution
SAFETY PRECAUTION Cautions for devices that use R407C refrigerant. · Do not use the existing refrigerant piping. -The old refrigerant and lubricating oil in the existing piping contains a large amount of chlorine which may cause the lubricating oil of the new unit to deteriorate. ·... - Page 4 [1] Service tools Use the below service tools as exclusive tools for R407C refrigerant. No. Tool name Specifications 1 Gauge manifold ·Only for R407C. ·Use the existing fitting SPECIFICATIONS. (UNF7/16) ·Use high-tension side pressure of 35kgf/cm or over. 2 Charge hose ·Only for R407C.
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Page 5: Part Names And Functions
PART NAMES AND FUNCTIONS Indoor (Main) Unit Filter Removes dust and pollutants from intake air Horizontal Air Outlet Sets airflow to horizontal automatically during cooling or dehumidifying. Grille Auto Air Swing Vane Disperses airflow up and down and adjusts the angle of airflow direction. -
Page 6: Operation Lamp
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- intervals by pressing the time setting... -
Page 7: Specification
SPECIFICATION 3-1. Specification Item PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK · Power Single phase 220V-240V 50 Hz 8,000 10,000 12,500 kcal/h Cooling capacity 31,800 39,600 49.700 BTU/h 11.6 14.5 9,000 11,200 14,000 kcal/h Heating capacity 35,800 44,500 55,600 BTU/h 10.5 13.0 16.3 Power Cooling 0.18... -
Page 8: Way Air Flow System
3-2. Electrical parts specifications Model Symbol PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK 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" Gas pipe thermistor TH23 Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.4k", 30:/4.3k", 40:/3.0k"... - Page 9 2) According to the number of air outlets and height of the ceiling to install the unit, be sure to set the switches (SWA, SWB) on the indoor board to the appropriate setting. Correspondence of ceiling heights to numbers of air outlets. PLFY-P80VAM.UK Standard High ceiling...
- Page 10 4-4. Fixing of horizontal vane The horizontal vane of each air outlet can be fixed according to the environment, in which it is installed. Setting procedure 1) Turn off the main power supply (Turn off the breaker). 2) Disconnect the vane motor connector of the direction of the arrow by pressing the unlocking button as shown in the figure below.
- Page 11 4-5. Fresh air intake amount & static pressure characteristics (1) PLFY-P80VAM.UK Multifunction casement + Standard filter Multifunction casement + High efficiency filter Static pressure [Pa] Static pressure [Pa] Air flow [m /min] Air flow [m /min] 2 intakes 2 intakes...
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Page 12: Outlines And Dimensions
OUTLINES AND DIMENSIONS PLFY-P80VAM.UK Unit : mm PLFY-P100VAM.UK PLFY-P125VAM.UK Ceiling hole 20~45 860~910 20~45 Branch duct hole Fresh air intake (Cut out hole) Suspension bolt pitch 90 100 100 90 Branch duct hole Branch duct hole Terminal block 14 - {2.8... -
Page 13: Wiring Diagram
WIRING DIAGRAM PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR POWER BOARD LINEAR EXPANSION VALVE CAPACITOR(FAN MOTOR) INDOOR CONTROLLER BOARD FAN MOTOR(WITH INNER THERMO) CIRCUIT BOARD CN25 CONNECTOR HUMIDIFIER VANE MOTOR SWITCH MODE SELECTION VOLTAGE SELECTION CN32... -
Page 14: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK Strainer (#50mesh) Gas pipe thermistor TH23 Gas pipe Liquid pipe thermistor TH22 Flare connection Liquid pipe Heat exchanger Linear expansion valve Strainer1 (#50mesh) Strainer2 (#100mesh) Strainer (#100mesh) Room temparature thermistor TH21 Refrigeration pipe size (Flare connection size) Service Ref. -
Page 15: Trouble Shooting
TROUBLE SHOOTING 8-1. How to check the parts PLFY-P•VAM.UK Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH21) (Surrounding temperature 10:~30:) Liquid pipe thermistor (TH22) Normal Abnormal (Refer to the thermistor) Gas pipe thermistor 4.3k"~9.6k"... -
Page 16: Linear Expansion Valve
<Thermistor Characteristic graph> < Thermistor for lower temperature > Room temperature thermistor(TH21) Thermistor for Liquid pipe 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' 9.6k' 6.3k' -20 -10 0 10 20 30 40 50 5.2k'... - Page 17 <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. 2. At phase interruption or when phase does not shift in order, motor does not rotate smoothly and motor will lock and vibrate.
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Page 18: Function Of Dip Switch
8-2. FUNCTION OF DIP SWITCH 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 2,500hr 100hr Fresh air intake Effective Not effective 1 2 3 4 5 6 7 8 9 10 Remote indication switching... - Page 19 Switch Pole Operation by switch Remarks Address board Ceiling height can be changed depends on SWB setting. (High ceiling2) <At delivery> Ceiling PLFY P80VAM.UK (High ceiling1) height selector (Standard) High High Standard ceiling1 ceiling2 4 direction 2.7m 3.0m 3.5m 3 direction 3.0m 3.3m 3.5m...
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Page 20: Disassembly Procedure
DISASSEMBLY PROCEDURE PLFY-P80VAM.UK Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 1. Removing the air intake grille Figure 1 (1) Slide the knob of air intake grille toward the arrow 1 to open the air intake grille. - Page 21 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 5. Remove the fan motor Photo 4 Fan motor (1) Remove the fan guard.(See photo 1) (2) Remove the bell mouth.(See photo 2) (3) Remove the electrical box.(See photo 3) (4) Remove the turbo fan nut, washer and radiation cap(P100, P125). (5) Pull out the turbo fan.
- Page 22 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 9. Removing the drain pump and drain sensor Photo 8 (1) Remove the panel. (See photo 6) (2) Remove the fan guard. (See photo 1) (3) Remove the bell mouth. (See photo 2) (4) Remove the electrical box. (See photo 3) (5) Remove the drain pan.
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Page 23: Parts List
PARTS LIST PANEL PARTS PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK Part numbers that is circled is not shown in the figure. Q'ty/set Price Wiring Recom- PLFY- Remarks Diagram mended Part No. Part Name Specification P80 / P100 / P125 (Drawing No.) Unit Amount... - Page 24 FUNCTIONAL PARTS PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PLFY- · VAM.UK (Drawing No.) Unit Amount Symbol Q'ty P80 P100/P125 BASE DWG S70 003 687 DRUM 1 ASSY S70 005 688 DRUM 1ASSY...
- Page 25 FUNCTIONAL PARTS PLFY-P80VAM.UK PLFY-P100VAM.UK PLFY-P125VAM.UK Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PLFY- · VAM.UK (Drawing No.) Unit Amount Symbol Q'ty P80 P100 P125 S70 E02 529 DRAIN PAN S70 E00 529 DRAIN PAN S70 A41 523 DRAIN SOCKET <PART OF DRAIN PAN ASSY>...
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Page 26: Optional Parts
OPTIONAL PARTS 11-1. Multi function casement Part No. PAC-SG03TM-E 11-2. Air outlet shutter plate (20sets, 2pcs / 1set) Part No. PAC-SG06SP-E 11-3. High efficiency filter (PAC-SG03TM-E is required in using this optional part.) Part No. PAC-SG01KF... - Page 28 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO cCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. New publication, effective Aug. 2000 Issued in Aug. 2000. No. OC213 225 Specifications subject to change without notice Printed in Japan...