Page
1. SPECIFICATIONS
4
1-1 Unit specifications
4
1-2 Major Component specifications
6
1-3 Other Component specifications
8
1-4 Indoor Fan Performance
9
2. DIMENSIONAL DATA
10
3. ELECTRICAL DATA
12
3-1 Electric Wiring Diagram
12
3-2 Control PCB switches and functions
13
4. PROCESS AND FUNCTIONS
14
4-1 Control function
14
5. REPLACING PCB
17
5-1 Replacing PCB
17
5-2 How to replace PCB
18
5-3 How to replace EEPROM with EEPROM included in PCB service pack
19
5-4 Table of setting
21
6. SERVICE PROCEDURE
22
6-1 Meaning of alarm message
22
6-2 Led indicator messages on outdoor control PCB
23
6-3 Symptoms and parts to inspect
24
6-4 Details of alarm messages
25
6-5 Table of thermistor characteristics
28
7. OUTDOOR UNIT MAINTENANCE REMOTE CONTROL
29
7-1 Overwiew
29
7-2 Functions
29
7-3 Normal display operations and functions
30
7-4 Monitoring operations:
Display of indoor unit and outdoor unit sensor temperatures
33
7-5 Monitoring the outdoor unit alarm history:
Display of outdoor unit alarm history
34
7-6 Setting modes: setting of outdoor unit EEPROM
34
Table of Contents
3
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