Table Of Contents - Mitsubishi Electric PEY Series Service Manual

CONTENTS
1. SAFETY PRECAUTIONS ········································································· 3
1-1. Always observe for safety ...................................................................................................... 3
1-2. Cautions related to new refrigerant ........................................................................................ 3
2. PART NAMES AND FUNCTIONS ······························································ 5
2-1. Indoor unit .............................................................................................................................. 5
2-2. Wireless remote controller ..................................................................................................... 6
2-3. Wired remote controller <PAR-31MAA> ................................................................................ 7
2-4. Wired remote controller <PAR-21MAA> .............................................................................. 12
3. SPECIFICATION ···················································································13
4. FAN PERFORMANCE AND CORRECTED AIR FLOW ·································14
5. SOUND PRESSURE LEVELS ·································································18
5-1. Sound pressure level ........................................................................................................... 18
5-2. NC curves ............................................................................................................................ 19
6. OUTLINES & DIMENSIONS ····································································23
6-1. Indoor unit ............................................................................................................................ 23
7. WIRING DIAGRAM ················································································25
8. REFRIGERANT SYSTEM DIAGRAM ························································26
9. TROUBLESHOOTING ············································································27
9-1. Troubleshooting ................................................................................................................... 27
9-2. Malfunction-diagnosis method by remote controller ............................................................ 28
9-3. Self-diagnosis action table ................................................................................................... 31
9-4. Troubleshooting of problems................................................................................................ 35
9-5. Emergency operation ........................................................................................................... 37
9-6. How to check the parts ....................................................................................................... 38
9-7. Test point diagram ................................................................................................................ 40
9-8. Functions of dip switch and jumper wire .............................................................................. 42
10. DISASSEMBLY PROCEDURE ·······························································43
10-1. Control box......................................................................................................................... 43
10-2. Thermistor (Intake air) ........................................................................................................ 43
10-3. Drainpan ............................................................................................................................ 44
10-4. Thermistor (Condenser/evaporator) (Liquid pipe) .............................................................. 45
10-5. Fan and fan motor.............................................................................................................. 46
10-6. Heat exchanger.................................................................................................................. 47
HWE1305A
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