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LG Multi-Inverter Type - Part 3 Control logic

LG Multi-Inverter Type
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Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Control logic
1. Compressor ......................................................................................................................25
2. Step(frequency) control ...................................................................................................26
3. Reversing valve operaton................................................................................................27
4. Discharge pipe control.....................................................................................................28
5. Input Current Control .......................................................................................................29
6. Outdoor Fan Control ........................................................................................................30
7. Defrost Control .................................................................................................................31
8. LEV Control.......................................................................................................................32
9. Oil restoration operation..................................................................................................34
10. Compressor warm-up control logic..............................................................................34
11. Heat sink control.............................................................................................................35

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