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2WAY SYSTEM
Control Functions-Outdoor Unit
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1. CONTROL FUNCTIONS-Outdoor Unit
1. Introduction ........................................................... 1-2
2. Selecting Outdoor Unit for Operation ...................................... 1-3
3. Compressor Control .................................................... 1-4
4. Output of PCB ........................................................ 1-11
5. Outdoor Fan Control ................................................... 1-16
6. Indoor Units Control from the CCU ....................................... 1-19
7. Oil Control ........................................................... 1-22
8. 4-Way Valve Adjustment Control ......................................... 1-26
9. Defrost Control ....................................................... 1-27
10. Upper Current Limitation Mode .......................................... 1-31
11. Alarm Information ..................................................... 1-33
12. Backup Operation ..................................................... 1-37
13. Other Functions ....................................................... 1-41
14. Detailed Settings in EEPROM of Outdoor Unit .............................. 1-44
Contents
SM830204-05_2WAY SYS.indb 1 2015/01/21 16:59:58
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