– 3 –
7. INDOOR CONTROL CIRCUIT .................................................................. 34
7-1. Indoor Controller Block Diagram
(4-Way Air Discharge Cassette Type / Under Ceiling Type) ........................................ 34
7-2. Indoor Controller Block Diagram (High Wall Type) ...................................................... 37
7-3. Control Specifications
(4-Way Air Discharge Cassette Type / Under Ceiling Type) ........................................ 39
7-4. Control Specifications (High Wall Type) ....................................................................... 52
7-5. Indoor Print Circuit Board (4-Way Air Discharge Cassette Type) .............................. 63
7-6. Indoor Print Circuit Board (Under Ceiling Type) .......................................................... 65
7-7. Indoor Print Circuit Board (High Wall Type) ................................................................. 67
8. TROUBLESHOOTING .............................................................................. 69
8-1. Summary of Troubleshooting ........................................................................................ 69
8-2. Troubleshooting
(4-Way Air Discharge Cassette Type / Under Ceiling Type) ........................................ 71
8-3. Troubleshooting (High Wall Type) ................................................................................. 89
9. REPLACEMENT OF SERVICE P.C. BOARD.......................................... 105
9-1. 4-Way Air Discharge Cassette Type / Under Ceiling Type ......................................... 105
9-2. High Wall Type ............................................................................................................... 110
10. SETUP AT LOCAL SITE AND OTHERS ................................................ 116
10-1. 4-Way Air Discharge Cassette Type / Under Ceiling Type ......................................... 116
10-2. High Wall Type ............................................................................................................... 131
11. ADDRESS SETUP.................................................................................. 139
11-1. Address Setup Procedure ........................................................................................... 139
11-2. Address Setup & Group Control ................................................................................. 140
11-3. Remote Controller Wiring ............................................................................................ 142
11-4. Address Setup (Manual setting from remote controller) .......................................... 143
11-5. Confirmation of Indoor Unit No. Position ................................................................... 144
12. DETACHMENTS ..................................................................................... 147
12-1. 4-Way Air Discharge Cassette Type ........................................................................... 147
12-2. Under Ceiling Type ...................................................................................................... 158
12-3. High Wall Type ............................................................................................................... 169
13. EXPLODED VIEWS AND PARTS LIST .................................................. 176
13-1. 4-Way Air Discharge Cassette Type ............................................................................ 176
13-2. Under Ceiling Type ....................................................................................................... 181
13-3. Replacement of Main Parts (Sold Separately) ........................................................... 186
13-4. High Wall Type ............................................................................................................... 188
13-5. Electric Parts................................................................................................................. 189