Correct
Incorrect
A
Pipe expander
Other Instructions
1.Configuration of power supply
Air conditioner must use special power supply system (above 20A), and qualified electrician makes
wiring and fixing according to wiring regulations specified in national standard.
In socket, exactly distinguish earth wire with neutral wire and it is wrong to connect them together.
A leakage breaker must be installed.
Parameters of power supply: H07RN-F 3G 2.0
mm
2
Connection method is Y-connection .If the power cord is damaged, it must be replaced by
professional people of manufacturer or its maintenance department or similar to avoid dangers.
2.Pipe cutting and expanding
Must remove burrs if cut pipes with pipe cutter.
Expand flare after insert the pipe expander.
Liquid pipe
Gas pipe
Diameter of pipe
Dimension A (mm)
0.8~1.5
1.0~2.0
6.35mm (1/4î)
12.7mm (1/2î)
Deflection
Crack occurs
Broken
Incomplete
Over outward
Installation check and test run
Require customers to use air conditioner according to the operation manual.
The items checked during test run,please mark in
No gas leakage on the pipe joint ?
How about the thermal insulation of the pipe joint:
Is the electrical wiring between indoor and outdoor unit connected to the terminal block firmly?
Is the wiring of indoor and outdoor unit secured firmly?
Is the drainage hose arranged correct?
Is the earthing wire connected firmly?
Is the power supply voltage conformed to the electrical regulation?
Any noise?
Is the display on the control board (LCD) correct?
Cooling normal?
Does the indoor temperature regulator work normally?
For the power supply
1 shall be connected to the live wire.
2 shall be connected to the neutral wire.
Shall be connected to the earth wire.
23
Check and Test Run
