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 18
Step 5 Connecting the refrigerant pipe 20
Step 6 Optional: Cutting and flaring the pipes 21
Step 7 Connecting up and removing air in the circuit 21
Step 8 Adding refrigerant (R-410A) 23
Step 9 Performing the gas leak test 24
Step 10 Connecting the drain hose to the outdoor unit 25
Step 11 Insulating the refrigerant pipes 25
Step 12 Checking the earthing 26
Step 13 Performing final check and trial operation 27
Extra procedures 30
Pumping down refrigerant 30
Relocating the indoor and outdoor units 30
Using the stop valve 31
Appendix 32
Troubleshooting 32
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
(Applicable in countries with separate collection systems)
This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g. charger,
headset, USB cable) should not be disposed of with other household waste at the end of their working life. To prevent possible
harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of
waste and recycle them responsibly to promote the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product, or their local government office, for
details of where and how they can take these items for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This product and
its electronic accessories should not be mixed with other commercial wastes for disposal.