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Air-Conditioners For Building Application
TECHNICAL & SERVICE MANUAL
Series PEFY
<Indoor unit>
PEFY-P40VMH,PEFY-P100VMH
Models
PEFY-P50VMH,PEFY-P125VMH
PEFY-P63VMH,PEFY-P140VMH
PEFY-P71VMH,PEFY-P200VMH
PEFY-P80VMH,PEFY-P250VMH
INDOOR UNIT
Ceiling Concealed
2000
CONTENTS
SAFETY PRECAUTIONS ·························1
1. FEATURES············································3
2. PART NAMES AND FUNCTIONS ········5
3. SPECIFICATION ···································7
4. OUTLINES AND DIMENSIONS··········10
5. WIRING DIAGRAM ·····························12
6. REFRIGERANT SYSTEM DIAGRAM····14
7. TROUBLE SHOOTING························15
8. DISASSEMBLY PROCEDURE ···········18
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Summary of Contents for Mitsubishi Electric CITY MULTI PEFY-P40VMH
- Page 1 2000 Air-Conditioners For Building Application TECHNICAL & SERVICE MANUAL Ceiling Concealed Series PEFY <Indoor unit> PEFY-P40VMH,PEFY-P100VMH Models PEFY-P50VMH,PEFY-P125VMH PEFY-P63VMH,PEFY-P140VMH PEFY-P71VMH,PEFY-P200VMH PEFY-P80VMH,PEFY-P250VMH CONTENTS SAFETY PRECAUTIONS ·························1 1. FEATURES············································3 2. PART NAMES AND FUNCTIONS ········5 3. SPECIFICATION ···································7 4. OUTLINES AND DIMENSIONS··········10 5.
- Page 2 - Improper installation by the user may result in water leakage, elec- by Mitsubishi Electric are used, fire or explosion may result. tric shock, or fire. • Install the air unit at a place that can withstand its weight.
- Page 3 Precautions for devices that use R407C refrigerant Caution: • Do not use the existing refrigerant piping. - The old refrigerant and refrigerator oil in the existing piping con- tains a large amount of chlorine which may cause the refrigerator oil of the new unit to deteriorate. •...
- Page 4 FEATURES Ceiling Concealed Series PEFY Indoor unit Cooling capacity/Heating capacity Models kcal/h PEFY-P40VMH 4.7/5.2 4,000/4500 PEFY-P50VMH 5.8/6.5 5,000/5600 PEFY-P63VMH 7.3/8.3 6,300/7,100 PEFY-P71VMH 8.3/9.3 7,100/8,000 PEFY-P80VMH 9.3/10.5 8,000/9,000 PEFY-P100VMH 11.6/13.0 10,000/11,200 PEFY-P125VMH 14.5/16.3 12,500/14,000 PEFY-P140VMH 16.3/18.6 14,000/16,000 PEFY-P200VMH 23.3/26.0 20,000/22,400 PEFY-P250VMH 29.1/32.6 25,000/28,000 1.THE QUIETEST PERFORMANCE IN THE FIELD-36 PHONS(PEFY-40VMH)
- Page 5 Second,the overall air conditioning balance is excellent in split type units. Lastly,the operation costs are low due to the flexi- ble control of each unit. This system was developed exclusively by Mitsubishi Electric because of high demand. The micro- processor control makes individual control,group control,control using two remote controllers,and remote on/off and individ-...
- Page 6 PART NAMES AND FUNCTIONS Indoor (Main) Unit Air outlet Air inlet Remote controller [PAR-F25MA] Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Operation buttons ON/OFF – CENTRALLY CONTROLLED 1Hr. ON OFF ˚C CHECK CLOCK...
- Page 7 Display ON/OFF – CENTRALLY CONTROLLED 1Hr. ON OFF ˚C CHECK CLOCK FILTER ˚C CHECK MODE STAND BY INDOOR UNIT ERROR CODE TEST RUN NOT AVAILABLE DEFROST ADDRESS NO OA UNIT ADDRESS NO CLOCK ON OFF FILTER CHECK TEMP. TIMER SET TEST RUN REMOTE CONTROLLER PAR-F25MA...
- Page 8 SPECIFICATION 3-1. Specification PEFY-P71VMH PEFY-P40VMH PEFY-P50VMH PEFY-P63VMH Power source 220-240V 50Hz /60Hz kcal/h 4,000 5,000 7,100 6,300 Cooling capacity Btu/h 15,900 19,800 25,000 28,200 kcal/h 4,500 5,600 7,100 8,000 Heating capacity Btu/h 17,900 22,200 28,200 31,700 Cooling Power consumption 0.19/0.23 0.24/0.30 0.26/0.33 (50/60Hz)
- Page 9 PEFY-P140VMH PEFY-P80VMH PEFY-P100VMH PEFY-P125VMH Power source 220-240V 50Hz /60Hz kcal/h 8,000 10,000 12,500 14,000 16.3 Cooling capacity 11.6 14.5 Btu/h 31,700 39,700 49,600 55,600 kcal/h 9,000 11,200 14,000 16,000 Heating capacity 10.5 13.0 16.3 18.6 Btu/h 35,700 44,400 55,600 63,400 Cooling Power consumption 0.32/0.40...
- Page 10 3-2. Electrical parts specifications Model PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- Symbol Parts P40VMH P50VMH P63VMH P71VMH P80VMH P100VMH P125VMH P140VMH P200VMH P250VMH name Tranrsformer (Primary) 50/60Hz 220-240V (Secondry) (23.5V 0.9A) 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 TH22...
- Page 11 OUTLINES AND DIMENSIONS Indoor Unit PEFY-P40· 50· 63· 71· 80· 100· 125· 140VMH Unit : mm...
- Page 12 Indoor Unit PEFY-P200· 250VMH Unit : mm...
- Page 13 WIRING DIAGRAM PEFY-P40· 50· 63· 71· 80· 100· 125· 140VMH...
- Page 14 PEFY-P200· 250VMH...
- Page 15 REFRIGERANT SYSTEM DIAGRAM Gas pipe thermistor TH23 Gas pipe Liquid pipe thermistor TH22 Flared joints(Type 40~140) Brazed joints(Type 200·250) Heat exchanger Linear expansion valve Strainer (#100mesh) Strainer (#100mesh) Room temperature thermistor TH21 Capacity PEFY-P40VMH PEFY-P50,63,71,80VMH PEFY-P100,125,140VMH Item Gas pipe ø12.7<1/2F> ø15.88<5/8F>...
- Page 16 TROUBLE SHOOTING 7-1. How to check the parts Parts name Check points Room temperature Disconnect the connector, then measure the resistance using a tester. thermistor (TH21) (Sorrounding temperature 10°C~30°C) Liquid pipe thermistor (TH22) Normal Abnormal Gas pipe thermistor (Refer to the thermistor characteristic graph) Ω...
- Page 17 7-2. Setting of address switch Make sure that power source is turning off. Indoor unit control board S W 2 S W 3 S W 4 < At delivery (All models)> < At delivery (All models)> 1 2 3 4 5 6 7 8 9 10 1 2 3 CN82 CN62...
- Page 18 7-3. Setting of Dip-switch (at delivery) Models Dip-SW SW 1 SW 3 S W4 S W5 PEFY-P40VMH 220V 240V 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 1 2 3 4 5 6 7 8 910 1 2 3 SW 3 S W4...
- Page 19 DISASSEMBLY PROCEDURE Be careful on removing heavy parts. 8-1. CONTROL BOX OPERATING PROCEDURE PHOTOS Models 40~140 1.Removing the control box cover fig.1 (1) Remove the fixing screws (two) of the control box (A), and remove the cover. (Fig. 1) *At this stage, the following servicing is possible. 1 Operation and check of the switches (listed below) which are on the control board.
- Page 20 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS · Models 200 fig.4 1.Removing the control box cover (1) Remove the fixing screws (four) of the control box cover (C), and remove the cover. (Fig. 4) *At this stage, the following servicing is possible.(Fig. 5) 1 Operation and check of the switches (listed below) which are on the control board.
- Page 21 Be careful on removing heavy parts. 8-2. FAN and FAN MOTOR OPERATING PROCEDURE PHOTOS Models 40~140 fig.1 1.Removing the control box. (1) Remove the control box cover and terminal bed cover with procedure 8-1. (2) Remove the fan motor connectors. (3) Remove the fixing screws (two) of the control box and slide the control box to remove.(Fig.
- Page 22 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (4) Slide the motor (A) with motor base (D) in direction of allow fig.5 . (Fig. 5) Arrow 1 fig.6 Motor (A) Models 100~140 *Motor maintenance procedure is almost 40~80 models procedure.
- Page 23 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS Models 200· 250 fig.7 1.Removing the control box. (1) Remove the control box cover1 with procedure 8-1. Control box cover 2 (2) Remove the fixing screws (four) of the control cover 2, and remove the control cover2.
- Page 24 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (3) After removing the fixing screws (H)(as shown models fig.11 100~140) of the front fan case(B) and remove the fan. Pull the fan case (B). (4) Remove the fixing screws (K)(three) of the bell mouse (J) attached fan case (L), and remove the bell mouse (J).
- Page 25 Be careful on removing heavy parts. 8-3. LEV,THERMISTOR (Liquid/Gas piping temperature detection) OPERATING PROCEDURE PHOTOS Models 40~140 fig.1 1.Removing the LEV. (1) Remove the control box cover with procedure 8-1. (2) Remove the fixing screws (four) of the heat exchanger cover (A), and remove the cover (A).(Fig.
- Page 26 Be careful on removing heavy parts. 8-4. HEAT EXCHANGER OPERATING PROCEDURE PHOTOS Models 40~140 fig.1 1.Removing the heat exchanger. (1) Remove the heat exchanger cover with procedure 8-3-1. Bottom plate (2) Remove the bottom plate which is air outlet side.(fixing screws : ten) (Fig.
- Page 27 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (4) Remove the maintenance cover.(fixing screws : two) (Fig. 4) fig.4 (5) Remove the heat exchanger.(fixing screws : four) (Fig. 3,5) *Removerd heat exchanger is as shown fig .6 Maintenance cover Fixing screws fig.5 Fixing screws...
- Page 28 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS · Models 200 fig.7 1.Removing the heat exchanger. (1) Remove the refrigerant piping and drain hose from main Bottom plate unit.(Be care that water is not leaking from drain hose. ) (2) Remove the power supply wire and the transmission line.
- Page 29 Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (7) Remove the fixing screws (three) of the heat exchanger fig.10 cover, and remove the cover. Remove the fixing screws (four) of the maintenance cover, and remove the cover. (Fig. Fixing screws (7) Remove the heat exchanger.
- Page 30 8-5. CONTROL BOX INSIDE LAYOUT Models 40~140 Trans Condenser (for motor) Indoor unit FAN2 CN3T STR2012 FAN3 contoller board DSA board CN52 CN60 CN81 CN27 CN62 CN82 SW14 SW12 SW11 Transmission terminal bed Power sourse Address board terminal bed Models 200· 250 Magnet contactor Trans FAN2...
- Page 31 8-6. SENSOR POSITION PEFY-P40VMH PEFY-P50· 63VMH Liquid sensor Liquid sensor Gas sensor Gas sensor PEFY-P71· 80VMH PEFY-P100· 125VMH Gas sensor(100) Liquid sensor Liquid sensor Gas sensor(125) Gas sensor PEFY-P140VMH PEFY-P200· 250VMH Liquid sensor Liquid sensor( 200·250) Gas sensor(200) Gas sensor Gas sensor(250)
- Page 32 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-0005 TELEX J24532 CABLE MELCO TOKYO Issued in Mar.2000 MEE99K041 New publication, effective Mar. 2000 Printed in Japan Specifications subject to change without notice...
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