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1. SPECIFICATIONS
4
1-1 Unit specifications 4
1-2 Major Component specifications 7
1-3 Other Component specifications 9
2. DIMENSIONAL DATA
10
3. ELECTRICAL DATA
11
3-1 Electric Wiring Diagram 11
3-2 Control PCB switches and functions 12
4. FUNCTION
13
4-1 Room Temperature Control 13
4-2 Automatic control for heating and cooling 14
5. REPLACING PCB
15
5-1 Replacing PCB 15
5-2 How to replace PCB 16
5-3 How to replace EEPROM with EEPROM included in PCB service pack 17
5-4 Table of setting 19
6. SERVICING AND MAINTENANCE FUNCTIONS
20
6-1 Indoor unit refrigerant noise countermeasures 20
6-2 Outdoor unit noise countermeasures: EEPROM 05 20
7. TROUBLE DIAGNOSIS
21
7-1 Contents of remote controller switch alarm display 21
7-2 Outdoor unit control panel led display 23
7-3 Trouble indications and inspection points 24
7-4 Remote controller servicing functions 26
7-5 Multiset alarm codes
27
7-6 Inspection of parts 50
Table of Contents
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