- 14 -
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only training and service purposes.
Function
1. Basic control ...................................................................................................................15
1.1 Normal operation .......................................................................................................15
1.2 Compressor control....................................................................................................15
1.3 Master and slave unit's EEV control ..........................................................................16
2. Special control ................................................................................................................17
2.1 Oil return control ........................................................................................................17
2.2 Defrost control............................................................................................................19
2.3 Stop operation............................................................................................................20
3. Protection control ...........................................................................................................21
3.1 Pressure protection control ........................................................................................21
3.2 Discharge temperature control...................................................................................22
3.3 Inverter protection control ..........................................................................................22
3.4 Phase detection .........................................................................................................22
3.5 Pressure switch..........................................................................................................22
4. Other control ...................................................................................................................23
4.1 Initial setup .................................................................................................................23
4.2 Pump Down ...............................................................................................................26
4.3 Night Low Noise Function ..........................................................................................27
4.4 Vacuum Mode ............................................................................................................28
4.5 Static pressure compensation mode..........................................................................28
4.6 Cool & Heat selector ..................................................................................................29
4.7 Cycle Data View.........................................................................................................30
4.8 Refrigerant noise reduction mode ..............................................................................31
Function
