Multi F Four-Way Ceiling Cassette Service Manual

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Only for training and service purposes

LGE Internal Use Only

Part 3 Basic Control

Part 3. Basic Control

1. Normal operation..............................................................................................................30

2 Compressor control .........................................................................................................30

3. EEV( Electronic Expansion Valve) control ....................................................................30

4. Oil return control .............................................................................................................31

5. Defrost control .................................................................................................................31

6. Protection control ............................................................................................................32

6.1 High pressure protection control ..........................................................................32

6.2 Low pressure protection control ..........................................................................32

6.3 Discharge temperature control ...........................................................................32

6.4 Input Current control ...........................................................................................32