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CONTENTS
SAFETY CAUTION ............................................................................................ 4
1. SPECIFICATIONS ...................................................................................... 9
1-1. Outdoor Unit........................................................................................................ 9
1-2. Operation Characteristic Curve ....................................................................... 10
2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)....................................... 12
2-1. Outdoor Unit...................................................................................................... 12
3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM .............................. 15
3-1. Indoor Unit......................................................................................................... 15
3-2. Outdoor Unit...................................................................................................... 16
4. WIRING DIAGRAM ................................................................................... 19
4-1. Outdoor Unit...................................................................................................... 19
5. SPECIFICATIONS OF ELECTRICAL PARTS .......................................... 22
5-1. Outdoor Unit (Parts Ratings) ........................................................................... 22
6. REFRIGERANT R410A ............................................................................ 23
6-1. Safety During Installation/Servicing ............................................................... 23
6-2. Refrigerant Piping Installation ....................................................................... 23
6-3. Tools .................................................................................................................. 27
6-4. Recharging of Refrigerant................................................................................ 27
6-5. Brazing of Pipes................................................................................................ 28
7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS ........... 30
7-1. Print Circuit Board <MCC-1571> ..................................................................... 30
7-2. Outline of Main Controls .................................................................................. 32
8. TROUBLESHOOTING .............................................................................. 45
8-1. Summary of Troubleshooting........................................................................... 45
8-2. Troubleshooting ................................................................................................ 47
9. REPLACEMENT OF SERVICE P.C. BOARD............................................ 73
9-1. Outdoor Unit...................................................................................................... 73
10. SETUP AT LOCAL SITE AND OTHERS .................................................. 74
10-1. Outdoor Unit...................................................................................................... 74
11. DETACHMENTS ....................................................................................... 82
11-1. Outdoor Unit..................................................................................................... 82
12. EXPLODED VIEWS AND PARTS LIST .................................................. 106
12-1. Outdoor Unit.................................................................................................... 106