LG Therma V Series Installation Manual page 3

MOUNTING TO WALL ..........................................................................................................33
WATER VOLUME AND WATER PUMP CAPACITY..............................................................34
PRESSURE DROP ...............................................................................................................36
WATER VOLUME AND EXPANSION VESSEL PRESSURE................................................37
WATER QUALITY .................................................................................................................38
FROST PROTECTION..........................................................................................................38
6. PIPING AND WIRING FOR OUTDOOR UNIT ...............................................................39
REFRIGERANT PIPING .............................................................................................................39
CONSTRAINTS IN PIPE LENGTH AND ELEVATION ..........................................................39
PREPARATION FOR PIPING ...............................................................................................40
CONNECTING PIPE TO INDOOR UNIT ..............................................................................41
CONNECTING PIPE TO OUTDOOR UNIT ..........................................................................41
ELECTRICAL WIRING................................................................................................................44
WIRE SPECIFICATION.........................................................................................................44
CIRCUIT BREAKER SPECIFICATION .................................................................................45
WIRING PROCEDURE FOR POWER CABLE AND CONNECTING CABLE.......................46
FINALIZING ................................................................................................................................47
PIPE FORMING ....................................................................................................................47
LEAKAGE TEST AND EVACUATION .........................................................................................48
PREPARATION .....................................................................................................................48
LEAKAGE TEST....................................................................................................................48
EVACUATION........................................................................................................................49
7. PIPING AND WIRING FOR INDOOR UNIT ...................................................................50
WATER PIPING AND WATER CIRCUIT CONNECTION............................................................50
GENERAL CONSIDERATIONS ............................................................................................50
WATER PIPING AND WATER CIRCUIT CONNECTION ......................................................50
WATER CHARGING .............................................................................................................52
PIPE INSULATION ................................................................................................................52
ELECTRICAL WIRING................................................................................................................53
GENERAL CONSIDERATION...............................................................................................53
TERMINAL BLOCK INFORMATION .....................................................................................54
CONNECTING WITH OUTDOOR UNIT ...............................................................................56
ELECTRIC HEATER WIRING ...............................................................................................56
8. ACCESSORIES INSTALLATION...................................................................................57
ACCESSORIES SUPPORTED BY LG Electronics ...............................................................57
ACCESSORIES SUPPORTED BY 3rd PARTY COMPANIES ..............................................57
BEFORE INSTALLATION ...........................................................................................................58
THERMOSTAT ............................................................................................................................58
GENERAL INFORMATION ...................................................................................................58
HOW TO WIRE THERMOSTAT ............................................................................................59
FINAL CHECK.......................................................................................................................60
Installation Manual 3