Contents
1 SAFETY NOTICES (PLEASE BE SURE TO ABIDE) .................................................................... 1
2 PRODUCT INTRODUCTION .......................................................................................................... 4
2.1 NAMES OF MAIN PARTS ............................................................................................................... 4
2.2 COMBINATIONS OF OUTDOOR UNITS ............................................................................................ 4
2.3 COMBINATIONS OF INDOOR AND OUTDOOR UNITS ......................................................................... 5
2.4 THE RANGE OF PRODUCTION WORKING TEMPERATURE ................................................................ 7
3 PREPARATION BEFORE INSTALLATION .................................................................................... 7
3.1 STANDARD PARTS ....................................................................................................................... 7
3.2 INSTALLATION SITE ...................................................................................................................... 7
3.3 PIPING WORK REQUIREMENTS ................................................................................................... 12
4 INSTALLATION INSTRUCTION ................................................................................................... 13
4.1 PHYSICAL DIMENSION OF THE OUTDOOR UNIT AND MOUNTING HOLE ........................................... 13
4.2 CONNECTION PIPE .................................................................................................................... 16
4.3 INSTALLATION OF THE CONNECTION PIPE .................................................................................... 27
4.4 AIR PURGING AND REFRIGERANT CHARGE .................................................................................. 32
4.5 ELECTRIC WIRING ..................................................................................................................... 35
4.6 SYSTEM COMMUNICATION.......................................................................................................... 38
4.7 CONNECTION METHOD AND STEPS FOR SYSTEM COMMUNICATION .............................................. 42
4.8 EXTERNAL ELECTRICAL WIRING DIAGRAM .................................................................................. 47
5 CHECK ITEMS AFTER INSTALLATION AND TRIAL RUN ......................................................... 48
5.1 CHECK ITEMS AFTER INSTALLATION ............................................................................................ 48
5.2 TRIAL RUN ................................................................................................................................ 49
6 COMMON MALFUNCTION AND TROUBLESHOOTING ............................................................ 61
7 ERROR INDICATION .................................................................................................................... 63
8 MAINTENANCE AND CARE ........................................................................................................ 67
8.1 OUTDOOR HEAT EXCHANGER .................................................................................................... 67
8.2 DRAIN PIPE ............................................................................................................................... 67
8.3 NOTICE BEFORE SEASONAL USE ................................................................................................ 67
8.4 MAINTENANCE AFTER SEASONAL USE ........................................................................................ 68
8.5 PARTS REPLACEMENT ............................................................................................................... 68
9 AFTER-SALES SERVICE ............................................................................................................. 68
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