2
Air-to-Water Heat Pump
Air-to-Water Heat Pump Installation Manual
TABLE OF CONTENTS
1. SAFETY PRECAUTION ...................................................................................................5
WARNING .....................................................................................................................................5
INSTALLATION .......................................................................................................................5
OPERATION............................................................................................................................6
CAUTION ......................................................................................................................................7
INSTALLATION .......................................................................................................................7
OPERATION............................................................................................................................7
2. GENERAL INFORMATION ..............................................................................................8
MODEL INFORMATION................................................................................................................8
MODEL NAME AND RELATED INFORMATION.....................................................................8
ACCESSORIES ............................................................................................................................9
ACCESSORIES SUPPORTED BY LG ELECTRONICS ........................................................9
ACCESSORIES SUPPORTED BY 3rd PARTY COMPANIES ................................................9
TYPICAL INSTALLATION EXAMPLE ........................................................................................10
CASE 1..................................................................................................................................10
CASE 2 ..................................................................................................................................11
CASE 3..................................................................................................................................12
CYCLE DIAGRAM ......................................................................................................................13
REFRIGERANT CYCLE........................................................................................................13
WATER CYCLE ....................................................................................................................14
PARTS AND DIMENSIONS .......................................................................................................18
CONTROL PARTS .....................................................................................................................21
CONTROL BOX ....................................................................................................................21
REMOTE CONTROLLER .....................................................................................................24
WIRING DIAGRAM (INCL. FIELD WIRING) ........................................................................27
3. INSTALLATION OF UNIT ...........................................................................................................28
CONDITIONS WHERE UNIT IS INSTALLED ............................................................................28
GENERAL CONSIDERATIONS ...........................................................................................28
TRANSPORT ........................................................................................................................29
WATER VOLUME AND PUMP CAPACITY ..........................................................................29
WATER QUALITY .................................................................................................................30
FROST PROTECTION .........................................................................................................30
REMOTE CONTROLLER ....................................................................................................31
WIRED REMOTE CONTROLLER INSTALLATION
....................................................................33
INSTALLATION AT SEASIDE
.....................................................................................................34
SEASONAL WIND AND CAUTIONS IN WINTER
......................................................................34