Mitsubishi Electric City Multi PEFY-P125VMH-E Manuel de service

AIR CONDITIONERSTECHNICAL & SERVICE MANUALModelsPEFY-P20VMA(L)-E, PEFY-P25VMA(L)-E,PEFY-P32VMA(L)-E,PEFY-P40VMA(L)-E,PEFY-P50VMA(L)-E,PEFY-P63VMA

[ III Specfications ] - 5 -HWE0812B GB*1 <Cooling> Indoor temperature: 27°CDB/19°CWB (81°FDB/66°FWB) Outdoor temperature: 35°CDB (95°FDB)

[ III Specfications ]- 6 -HWE0812B GB*1 <Cooling> Indoor temperature: 27°CDB/19°CWB (81°FDB/66°FWB) Outdoor temperature: 35°CDB (95°FDB) &

[ III Specfications ] - 7 -HWE0812B GB2. Electrical component specificationsComponent Sym-bolPEFY-P20VMA(L)-EPEFY-P25VMA(L)-EPEFY-P32VMA(L)-ERoom tem

[ IV Outlines and Dimensions ]- 8 -HWE0812B GBIV Outlines and Dimensions[1] Outlines and Dimensions1. PEFY-P20, 25, 32, 40, 50, 63, 71, 80, 100, 125

[ IV Outlines and Dimensions ] - 9 -HWE0812B GB2. PEFY-P20, 25, 32, 40, 50, 63, 71, 80, 100, 125, 140VMAL-ENote 1 Use M10 suspension bolts. (not sup

[ IV Outlines and Dimensions ] - 10 -HWE0812B GB[2] Service Space1.PEFY-P20, 25, 32, 40, 50, 63, 71, 80, 100, 125, 140VMA(L)-ESecure enough access sp

[ V Wiring Diagram ]- 11 -HWE0812B GBV Wiring Diagram[1] Wiring Diagram1. PEFY-P20, 25, 32, 40, 50, 63, 71, 80, 100, 125, 140VMA(L)-E21INSIDE SECTIO

[ V Wiring Diagram ] - 12 -HWE0812B GBTable.1 SYMBOL EXPLANATIONSYM-BOLNAME SYM-BOLNAME SYM-BOLNAMEI.B. Indoor controller board CN32 Connector (Remot

[ VI Refrigerant System Diagram ]- 13 -HWE0812B GBVI Refrigerant System Diagram[1] Refrigerant system diagram(A) Gas pipe thermistor TH23(B) Gas pipe

[ VII Troubleshooting ] - 14 -HWE0812B GBVII Troubleshooting[1] Troubleshooting1. Check methods1. Component and check points(1) ThermistorRoom temp

ii HWE0812B GBSafety PrecautionsRead before installation and performing electrical workSymbol explanationsThoroughly read the following safety precau

[ VII Troubleshooting ]- 15 -HWE0812B GB1) Summary of linear expansion valve (LEV) operationThe LEV is operated by a stepping motor, which operate

[ VII Troubleshooting ] - 16 -HWE0812B GB2) LEV operationWhen the power is turned on, a pulse signal of 2200 pulses is output (valve closure signa

[ VII Troubleshooting ]- 17 -HWE0812B GB(4) Drain-up mechanismMeasure the resistance between the terminals with a tester. (coil temperature 20°C)(5)

[ VII Troubleshooting ] - 18 -HWE0812B GB2. DC fan motor (fan motor/indoor control board)1. CAUTION A high voltage is applied to the connector for c

[ VII Troubleshooting ]- 19 -HWE0812B GB3. Address switch settingMake sure that power to the unit is turned off.1. When using an ME remote controlle

[ VII Troubleshooting ] - 20 -HWE0812B GB4. Voltage test points on the control board1. PEFY-P20, 25, 32, 40, 50, 63, 71, 80, 100, 125, 140VMA(L)-EF0

[ VII Troubleshooting ]- 21 -HWE0812B GB5. Dipswitch setting (Factory setting)1. Function setting(1) SW11) Adress board(2) SW31) Indoor control b

[ VII Troubleshooting ] - 22 -HWE0812B GB2. Capacity code setting(1) SW21) Indoor control boardDipswitch settings must be made while the unit is st

[ VII Troubleshooting ]- 23 -HWE0812B GB5. External static pressure(1) SWA, SWC1) Indoor control boardNote: Changes that are made to the dipswitch

[ VIII Disassembly Procedure ] - 24 -HWE0812B GBVIII Disassembly Procedure[1] Disassembly Procedure1. Control boxExercise caution when removing heavy

iiHWE0812B GBPrecautions for handling units for use with R410AWARNINGKeep electrical parts away from water.Wet electrical parts pose a risk of electri

[ VIII Disassembly Procedure ]- 25 -HWE0812B GB2. Thermistor (Intake air)Exercise caution when removing heavy parts.1. Remove the control box cover

[ VIII Disassembly Procedure ] - 26 -HWE0812B GB3. DrainpanExercise caution when removing heavy parts.1. Removing the filter and the bottom plate(1)

[ VIII Disassembly Procedure ]- 27 -HWE0812B GB4. Thermistor (Gas pipe) (Liquid pipe)Exercise caution when removing heavy parts.1. Remove the drain

[ VIII Disassembly Procedure ] - 28 -HWE0812B GB5. Fan and fan motorExercise caution when removing heavy parts.1. Removing the filter and the bottom

[ VIII Disassembly Procedure ]- 29 -HWE0812B GB6. Heat exchangerExercise caution when removing heavy parts.1. Remove the drain pan according to the

KB79U866H02_GB.fm Page 18 Monday, April 25, 2011 3:16 PM

HWE0812BNew publication effective Sep. 2012Specifications subject to change without notice

CONTENTSHWE0812B GBI Features[1] Features...

HWE0812B GB0000001526.book 2 ページ ２０１２年９月１３日　木曜日　午後７時１４分

[ I Features ] - 1 -HWE0812B GBI Features[1] FeaturesModel Cooling capacity/Heating capacitykWPEFY-P20VMA(L)-E 2.2/2.5PEFY-P25VMA(L)-E 2.8/3.2PEFY-P3

[ II Components and Functions ]- 2 -HWE0812B GBII Components and Functions[1] Components and Functions1. Indoor (Main) Unit2. Remote Controller[PAR-

[ II Components and Functions ] - 3 -HWE0812B GB(2) Remote Controller DisplayA Current time/Timer time I Louver swingB Centralized control indicator

[ III Specfications ]- 4 -HWE0812B GBIII Specfications[1] Specifications1. Specfications*1 <Cooling> Indoor temperature: 27°CDB/19°CWB (81°FDB