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Only for training and service purposes

LGE Internal Use Only

6. Function

1. Basic control .................................................................................................................197

1.1 Normal operation .....................................................................................................197

1.2 Compressor control..................................................................................................197

1.3 Main and sub unit's EEV control ..............................................................................198

1.4 Fan control ...............................................................................................................199

2. Special control ..............................................................................................................200

2.1 Oil return control ......................................................................................................200

2.2 Defrost control..........................................................................................................201

2.3 Oil equalizing control................................................................................................204

2.4 Stopping operation...................................................................................................207

3. Protection control .........................................................................................................209

3.1 Pressure protection control......................................................................................209

3.2 Discharge temperature control.................................................................................211

3.3 Inverter protection control ........................................................................................211

3.4 Liquid back control...................................................................................................212

3.5 Phase detection .......................................................................................................212

3.6 Pressure switch........................................................................................................213

4. Other control .................................................................................................................213

4.1 Initial setup...............................................................................................................214

4.2 Instant indoor unit checking mode ...........................................................................217

4.3 Emergency operation...............................................................................................218

Function

Series	ARNU
Control	Remote Control
Cooling Capacity	9, 000 - 36, 000 BTU/h
Heating Capacity	9, 000 - 36, 000 BTU/h
Operating Temperature (Cooling)	18°C - 46°C
Power Supply	220-240V, 50Hz
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model

LG ARNU Series User Manual

Other manuals for LG ARNU Series