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English
Contents
IMPORTANT – This product has been designed and manufactured to meet ENERGY STAR criteria for energy efficiency
when matched with appropriate coil components.
However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency.
Installation of this product should follow the manufacturer’s refrigerant charging and air flow instructions.
Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment life.
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 Checking and preparing accessories and tools
7
Step 3 Fixing the outdoor unit in place
7
Step 4 Connecting the power cables, communication cable, and controllers
8
Step 5 Optional: Extending the power cable
13
Step 6 Connecting the refrigerant pipe
15
Step 7 Optional: Cutting and flaring the pipes
16
Step 8 Connecting up and removing air in the circuit
17
Step 9 Performing the gas leak test
18
Step 10 Adding refrigerant (R-410A)
19
Step 11 Connecting the drain hose to the outdoor unit
19
Step 12 Checking the earthing
20
Step 13 Setting an indoor unit address and installation option
20
Step 14 Cool and Heat modes operation test
27
Extra procedures
28
Pumping down refrigerant
28
Relocating the indoor and outdoor units
28
Using the stop valve
28
Appendix 30
Troubleshooting
30
Summary of Contents for AJ020MCS3CH
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