to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
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Function<br />
2.2 Defrost<br />
Defrost operation eliminates ice attached on heat exchanger, recovering performance of heat exchanger.<br />
Each cycle component operates as following table during defrost operation.<br />
Outdoor Unit<br />
Indoor Unit<br />
Component<br />
Inv Compressor<br />
Constant Speed Compressor<br />
FAN<br />
Main EEV<br />
Subcooling EEV<br />
4way valve<br />
Hot gas bypass valve<br />
Component<br />
Fan<br />
Thermo on unit EEV<br />
Thermo off unit EEV<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
Starting<br />
25Hz<br />
OFF<br />
S<strong>to</strong>p<br />
Normal control<br />
Min. pulse<br />
On → OFF<br />
Normal control<br />
Starting<br />
OFF<br />
Normal control<br />
Min. pulse<br />
- 26 -<br />
Running<br />
Setting Value<br />
ON<br />
High pressure control<br />
Max. pulse<br />
Min. pulse<br />
OFF<br />
Normal control<br />
Running<br />
OFF<br />
1200 pulse<br />
1200 pulse<br />
■ Ending condition<br />
1) All heat exchanger pipe temperature are above 15°C(UY2) or 20°C(UW1) for 30 sec.<br />
2) The running time of defrost operation is over 30% of the <strong>to</strong>tal heating time<br />
3) If compressor protection control starts by high discharge temperature of compressor etc.<br />
Ending<br />
25Hz<br />
OFF<br />
50Hz<br />
200 pulse<br />
Min. pulse<br />
ON<br />
Normal control<br />
Ending<br />
OFF<br />
Normal control<br />
Min. pulse<br />
<strong>LG</strong>E Internal Use Only
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