LG FM30AH UE3 - Compressor Control

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Only for training and service purposes
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Part 3 Control logic
3. Control logic
1. Compressor ......................................................................................................................40
2. Step(frequency) control ...................................................................................................42
3. Reversing valve operaton................................................................................................43
4. Discharge pipe control.....................................................................................................44
5. Input Current Control .......................................................................................................45
6. Outdoor Fan Control ........................................................................................................46
7. Defrost Control .................................................................................................................47
8. LEV Control.......................................................................................................................48
9. Oil restoration operation..................................................................................................50
10. Compressor warm-up control logic..............................................................................50
11. Heat sink control ............................................................................................................51