LG ARUN Series, Руководство по обслуживанию

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4.2 Emergency operation
- If a compressor is out of order, the system can be run except the defective compressor by backup function.
■
Automatic emergency operation(automatic back up function)
If outdoor unit detect comp defect during operation,, automatic back up mode is set.
1) Inverter compressor automatic emergency operation(refer to ** page)
2) Constant compressor automatic emergency operation(refer to ** page)
■
Manual emergency operation(Manual back up function)
1) Check which compressor is broken.(refer to °
∞
Trouble Shooting Guide°±)
2) Turn off the power.
3) Set the dip S/W of defective outdoor unit.
- Inverter compressor defect : dip S/W No.3
- Unit defect : dip S/W No.4
4) Turn on the power.
MASTER SLAVE
Normal
INV C INV C
MASTER SLAVE
Inv. comp.
Fail of Slave
INV C INV C
1 2 3 4 5 6 7
ON
DIP switch of Slave1
1 2 3 4 5 6 7
ON
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Function
CAUTION
Emergency operation with inverter compressor failure should not last 48 hours.
➔
It causes other
compressor failure.
During the emergency operation, cooling/heating capacity may be lower.