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CONTENTS
PRECAUTIONS FOR SAFETY .................................................................................... 6
1. SPECIFICATIONS .................................................................................................. 13
2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) .................................................... 16
3. WIRING DIAGRAMS .............................................................................................. 17
4. PARTS RATING ...................................................................................................... 18
5. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ........................................... 19
5-1. Indoor Unit .......................................................................................................................... 19
6. INDOOR CONTROL CIRCUIT ............................................................................... 22
6-1. Indoor Controller Block Diagram ..................................................................................... 22
6-1-1. Connection of Wired (Simple) Remote Controller ................................................ 22
6-1-2. Connection of Wireless Remote Controller Kit ..................................................... 23
6-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote
Controller Kit ............................................................................................................ 24
6-2. Control Specifications....................................................................................................... 25
6-3. Indoor Print Circuit Board ................................................................................................. 37
6-4. Optional connector specifications of indoor P.C. board ............................................... 38
7. TROUBLESHOOTING ............................................................................................ 39
7-1. Summary of Troubleshooting ........................................................................................... 39
7-2. Troubleshooting ................................................................................................................. 41
7-2-1. Outline of judgment ................................................................................................. 41
7-2-2. Others (Other than Check Code) ............................................................................ 43
7-2-3. Check Code List (Indoor) ........................................................................................ 44
7-2-4. Diagnostic Procedure for Each Check Code (Indoor Unit) .................................. 47
8. REPLACEMENT OF SERVICE P.C. BOARD ......................................................... 61
8-1. Indoort Unit ........................................................................................................................ 61
9. SETUP AT LOCAL SITE AND OTHERS................................................................ 66
9-1. Indoor Unit .......................................................................................................................... 66
9-1-1. Test Run Setup on Remote Controller ................................................................... 66
9-1-2. Forced Defrost Setup of Remote Controller
(For wired remote controller only) ......................................................................... 68
9-1-3. LED Display on P.C. Board ...................................................................................... 68
9-1-4. Function Selection Setup ........................................................................................ 69
9-1-5. Wiring and Setting of Remote Controller Control ................................................ 72
9-1-6. Monitor Function of Remote Controller Switch .................................................... 74
9-2. Setup at Local Site / Others .............................................................................................. 77
9-2-1. 1:1 Model Connection Interface (TCC-LINK adapter) ........................................... 77
9-3. How to Set up Central Control Address Number............................................................ 79
10. ADDRESS SETUP ............................................................................................... 80
10-1. Address Setup .................................................................................................................. 80
10-2. Address Setup & Group Control...................................................................................... 81
10-2-1. System configuration ............................................................................................ 81
10-2-2. Automatic Address Example from Unset Address (No miswiring) ................... 83
10-3. Address Setup (Manual Setting from Remote Controller) ............................................ 84
10-4. Confirmation of Indoor Unit No. Position ....................................................................... 85
11. DETACHMENTS ................................................................................................... 87
12. EXPLODED VIEWS AND PARTS LIST ............................................................... 95