2 English
Contents
Safety Information 3
General information 3
Installing the unit 4
Power supply line, fuse or circuit breaker 4
Installation Procedure 5
Step 1 Choosing the installation location 5
Step 2 Fixing the outdoor unit in place 8
Step 3 Connecting the power cables, communication cable, and controllers 9
Step 4 Optional: Extending the power cable 14
Step 5 Connecting the refrigerant pipe 16
Step 6 Optional: Cutting and flaring the pipes 17
Step 7 Installing oil traps 18
Step 8 Connecting up and removing air in the circuit 18
Step 9 Adding refrigerant (R-410A) 19
Step 10 Performing the gas leak test 22
Step 11 Connecting the drain hose to the outdoor unit 23
Step 12 Insulating the refrigerant pipes 23
Step 13 Checking the earthing 24
Step 14 Performing final check and trial operation 25
Extra procedures 28
Pumping down refrigerant 28
Relocating the indoor and outdoor units 28
Using the stop valve 29
Appendix 30
Troubleshooting 30
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