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CONTENTS
PRECAUTION FOR SAFETY ................................................................................................. 6
REFRIGERANT R410A ........................................................................................................ 11
1. SPECIFICATIONS ............................................................................................................. 13
1-1. Outdoor Unit .................................................................................................................................... 13
1-2. Operation Characteristic Curve .................................................................................................... 14
2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) .............................................................. 15
2-1. Outdoor Unit .................................................................................................................................... 15
3. OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM ................................................. 18
4. WIRING DIAGRAM ........................................................................................................... 19
4-1. Outdoor Unit .................................................................................................................................... 19
5. SPECIFICATIONS OF ELECTRICAL PARTS .................................................................. 20
5-1. Outdoor Unit .................................................................................................................................... 20
6. REFRIGERANT R410A .................................................................................................... 21
6-1. Safety During Installation/Servicing ............................................................................................. 21
6-2. Refrigerant Piping Installation..................................................................................................... 21
6-3. Tools ................................................................................................................................................. 25
6-4. Recharging of Refrigerant ............................................................................................................. 25
6-5. Brazing of Pipes .............................................................................................................................. 26
6-6. Instructions for Re-use Piping of R22 or R407C.......................................................................... 28
7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS ................................... 31
7-1. Outdoor Unit Control ...................................................................................................................... 31
7-2. Outline of Main Controls ................................................................................................................ 35
8. TROUBLESHOOTING....................................................................................................... 40
8-1. Summary of Troubleshooting ........................................................................................................ 40
8-2. Troubleshooting .............................................................................................................................. 42
9. SETUP AT LOCAL SITE AND OTHERS .......................................................................... 65
9-1. Calling of Error History .................................................................................................................. 65
9-2. Group Control Operation ............................................................................................................... 65
9-3. Outdoor Unit .................................................................................................................................... 67
10. ADDRESS SETUP .......................................................................................................... 74
10-1. Address Setup Procedure ........................................................................................................... 74
10-2. Address Setup & Group Control ................................................................................................. 75
10-3. Remote Controller Wiring ............................................................................................................ 78
10-4. Address Setup (Manual setting from remote controller) .......................................................... 79
10-5. Confirmation of Indoor Unit No. Position ................................................................................... 80
11. REPLACEMENT OF THE SERVICE P.C. BOARD (4316V417) MCC-1599 .................... 82
12. HOW TO EXCHANGE COMPRESSOR .......................................................................... 83
12-1. Exchanging Procedure of Compressor (Outline) ...................................................................... 83
12-2. Exchange of Compressor ............................................................................................................ 83
13. INSTALLATION MANUAL .............................................................................................. 84
14. DETACHMENTS ............................................................................................................. 97
14-1. Outdoor Unit ................................................................................................................................. 97
15. EXPLODED VIEWS AND PARTS LIST ........................................................................ 109