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CONTENTS
ORIGINAL INSTRUCTION ..................................................................................................... 3
WARNING INDICATIONS ON THE AIR CONDITIONER UNIT .............................................. 5
PRECAUTION FOR SAFETY ................................................................................................. 6
NEW REFRIGERANT (R410A) ............................................................................................ 11
1. SPECIFICATIONS ........................................................................................................ 13
1-1. Indoor Unit.................................................................................................................................. 13
1-2. Outdoor Unit............................................................................................................................... 29
1-3. Operation Characteristic Curve ............................................................................................... 30
2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) .......................................................... 32
2-1. Outdoor Unit............................................................................................................................... 32
3. OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM............................................. 35
4. WIRING DIAGRAM ...................................................................................................... 36
4-1. Outdoor Unit............................................................................................................................... 36
5. SPECIFICATIONS OF ELECTRICAL PARTS .............................................................. 37
5-1. Outdoor Unit............................................................................................................................... 37
6. REFRIGERANT R410A ................................................................................................ 38
6-1. Safety During Installation/Servicing ........................................................................................38
6-2. Refrigerant Piping Installation ............................................................................................... 38
6-3. Tools............................................................................................................................................ 42
6-4. Recharging of Refrigerant ........................................................................................................ 42
6-5. Brazing of Pipes......................................................................................................................... 43
6-6. Instructions for Re-use Piping of R22 or R407C .................................................................... 45
7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS .............................. 48
7-1. Outdoor Unit Control ................................................................................................................. 48
7-2. Outline of Main Controls ........................................................................................................... 52
8. TROUBLESHOOTING.................................................................................................. 57
8-1. Summary of Troubleshooting ................................................................................................... 57
8-2. Troubleshooting ......................................................................................................................... 59
9. SETUP AT LOCAL SITE AND OTHERS...................................................................... 82
9-1. Calling of Error History ............................................................................................................. 82
9-2. Group Control Operation .......................................................................................................... 82
9-3. Outdoor Unit............................................................................................................................... 84
10. ADDRESS SETUP ....................................................................................................... 91
10-1. Address Setup Procedure ......................................................................................................... 91
10-2. Address Setup & Group Control ..............................................................................................92
10-3. Remote Controller Wiring.......................................................................................................... 95
10-4. Address Setup (Manual setting from remote controller) ....................................................... 96
10-5. Confirmation of Indoor Unit No. Position ................................................................................ 97
11. REPLACEMENT OF THE SERVICE P.C. BOARD (4316V392) MCC-1599 ................. 99
12. HOW TO EXCHANGE COMPRESSOR ...................................................................... 100
12-1. Exchanging Procedure of Compressor (Outline) ................................................................. 100
12-2. Exchange of Compressor ....................................................................................................... 100
13. INSTALLATION MANUAL .......................................................................................... 101
14. DETACHMENTS ......................................................................................................... 118
14-1. Outdoor Unit............................................................................................................................. 118
15. EXPLODED VIEWS AND PARTS LIST ...................................................................... 130
15-1. Outdoor Unit............................................................................................................................. 130