LG Multi V Water IV ARNU07GTU 2 Series Service Manual page 16

Function
Function
1. Basic control ...................................................................................................................17
1.1 Normal operation .......................................................................................................17
1.2 Compressor control....................................................................................................17
1.3 Master and slave unit's EEV control ..........................................................................18
2. Special control ................................................................................................................19
2.1 Oil return control ........................................................................................................19
2.2 Stop operation............................................................................................................21
2.3 Oil equalizing control..................................................................................................21
3. Protection control ...........................................................................................................22
3.1 Pressure protection control ........................................................................................22
3.2 Discharge temperature control...................................................................................23
3.3 Inverter protection control ..........................................................................................23
3.4 Phase detection .........................................................................................................24
3.5 Pressure switch..........................................................................................................24
4. Other control ...................................................................................................................25
4.1 Initial setup .................................................................................................................25
4.2 Cool & Heat selector .................................................................................................28
4.3 Geothermal mode ......................................................................................................29
4.4 220 V out for solenoid valve.......................................................................................30
4.5 Variable water flow control .........................................................................................31
4.6 Outside unit adress ....................................................................................................32
4.7 Using a sump heater ..................................................................................................33
4.8 Vacum mode ..............................................................................................................34
4.9 Forced oil return .........................................................................................................35
4.10 Refrigerant noise reduction mode ............................................................................36
4.11 Cycle Data View .......................................................................................................37
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