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CONTTENTS
PRECAUTIONS FOR SAFETY .................................................................................... 6
1. SUMMARIES OF PRODUCT CHARACTERISTICS .............................................. 11
2. SPECIFICATIONS .................................................................................................. 12
3. WIRING DIAGRAMS .............................................................................................. 13
4. PARTS RATING ...................................................................................................... 14
5. REFRIGERANT CYCLE DIAGRAM ....................................................................... 15
6. CONTROL OUTLINE.............................................................................................. 16
7. COMMUNICATION TYPE, MODEL NAMES AND THE
MAXIMUM NUMBER OF CONNECTABLE UNITS ................................................ 19
8. APPLIED CONTROL AND FUNCTIONS ............................................................... 20
8-1. Hot Water Module printed circuit board ........................................................................... 20
8-2. Optional connector specifications of hot water module P.C. board ............................. 21
8-3. Test operation of hot water module unit .......................................................................... 22
8-4. Method to set hot water module function DN code ........................................................ 23
8-5. Applied control of indoor unit (including Hot Water Module) ........................................ 27
8-6. Test operation check ......................................................................................................... 41
9. TROUBLESHOOTING ............................................................................................ 45
9-1. Overview ............................................................................................................................. 45
9-2. Troubleshooting method ................................................................................................... 46
9-3. Troubleshooting based on information displayed on remote controller ...................... 52
9-4. Check Codes Displayed on Remote Controller and SMMS-u Outdoor Unit
(7-Segment Display on I/F Board) and Locations to Be Checked ................................. 54
9-5. Diagnostic Procedure for Each Check Code (Hot water module) ................................. 68
9-6. Sensor characteristics....................................................................................................... 72
10. P.C. BOARD EXCHANGE PROCEDURES.......................................................... 73
10-1. Replacement of indoor P.C. boards ................................................................................ 73
11. DETACHMENTS ................................................................................................... 80
12. EXPLODED DIAGRAM / SERVICE PARTS LIST ................................................ 87
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