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Installation procedure
Electrical requirements
l The power supply shall be connected from the outdoor side. (For models with electric-aided
heating function, the power supply to the indoor unit shall be connected at the indoor side
The power cord size is 3 x (1.25-1.5)mm
l A separate power circuit shall be supplied and connected by a qualified electrician according
to the wiring rules specified in the corresponding national standard.
l A current leakage breaker must be installed.
l The connection method of power cord is " Y " type. If the power flexible cord is damaged, it
shall be replaced by the manufacturer or its service department or similar qualified technician
so as to avoid risks.
l Power cord plug: L should be connected to the live wire, N should be connected to the neutral
wire and to the ground wire.
l Connection wire size: 3 x (1.25-1.5) mm
l Signal transmission wire size: 2 x (0.75-1.25) mm
l Power cord, connection wire and signal wire shall be provided by the user.
Pipe expansion dimensions as follows:
Specification
Pipe diameter ÿ
Liquid pipe
6.35 mm (1/4 " )
Liquid pipe
9.52 mm (3/8 " )
Gas pipe
12.7 mm (1/2 " )
Gas pipe
15.88 mm (5/8 " )
Pipe cutting and expanding
If the pipe is too long or the flare is damaged,
it needs to be cut or expanded.
1. Pipe cutting 2. Removing burrs
3.Insertion nut 4. Pipe expansion
2
, type of YZW).
2
, type of YZW.
2
(shielded wire).
Size A (mm)
0.8 ~ 1.5
1.0 ~ 1.8
1.2 ~ 2.0
1.4 ~2.2
A
Correct
Slope Damage Bur Partial Overlong
19
Pipe expander
Incorrect
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