MOUNTING TO WALL ..........................................................................................................31
WATER VOLUME AND WATER PUMP CAPACITY..............................................................32
PRESSURE DROP ...............................................................................................................34
WATER VOLUME AND EXPANSION VESSEL PRESSURE ................................................35
WATER QUALITY .................................................................................................................36
FROST PROTECTION..........................................................................................................36
6. PIPING AND WIRING FOR OUTDOOR UNIT ...............................................................37
REFRIGERANT PIPING .............................................................................................................37
CONSTRAINTS IN PIPE LENGTH AND ELEVATION ..........................................................37
PREPARATION FOR PIPING ...............................................................................................38
CONNECTING PIPE TO INDOOR UNIT ..............................................................................39
CONNECTING PIPE TO OUTDOOR UNIT ..........................................................................39
CIRCUIT BREAKER SPECIFICATION .................................................................................42
WIRING PROCEDURE FOR POWER CABLE AND CONNECTING CABLE.......................43
FINALIZING ................................................................................................................................44
PIPE FORMING ....................................................................................................................44
LEAKAGE TEST AND EVACUATION .........................................................................................45
PREPARATION .....................................................................................................................45
LEAKAGE TEST....................................................................................................................45
EVACUATION........................................................................................................................46
7. PIPING AND WIRING FOR INDOOR UNIT ...................................................................47
WATER PIPING AND WATER CIRCUIT CONNECTION............................................................47
GENERAL CONSIDERATIONS ............................................................................................47
WATER PIPING AND WATER CIRCUIT CONNECTION ......................................................47
WATER CHARGING .............................................................................................................49
PIPE INSULATION ................................................................................................................49
ELECTRICAL WIRING................................................................................................................50
GENERAL CONSIDERATION...............................................................................................50
TERMINAL BLOCK INFORMATION .....................................................................................51
CONNECTING WITH OUTDOOR UNIT ...............................................................................52
ELECTRIC HEATER WIRING ...............................................................................................52
8. ACCESSORIES INSTALLATION ...................................................................................53
ACCESSORIES SUPPORTED BY LG Electronics ...............................................................53
ACCESSORIES SUPPORTED BY 3rd PARTY COMPANIES ..............................................53
BEFORE INSTALLATION ...........................................................................................................54
THERMOSTAT ............................................................................................................................54
GENERAL INFORMATION ...................................................................................................54
HOW TO WIRE THERMOSTAT ............................................................................................55
FINAL CHECK.......................................................................................................................56
DHW TANK AND DHW TANK KIT/SOLAR THERMAL KIT.........................................................57
GENERAL INFORMATION ...................................................................................................57
Installation Manual
3
ENGLISH
1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 3
