2
HWE1305A
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