Haier AU092AABHA 用户手册

20

Piping Connection

(1) Dimension of connecting pipe

Fit the nut on and fasten

(2) The maximum length and drop height of connecting pipe

The maximum length is 10m

The maximum drop height is 5m.

To ensure the efficiency ,Pipes shall be as short as possible.

Cautions for piping connection

Do not twist or deform the connecting pipe.

Do not mix dusts.

The bending radius shall be as large as possible.

Both gas pipe and liquid pipe shall be heat insulation.

No leakage in the flare.

Spanner

Spanner

Joint

N u t

(3) Piping connection

Connecting method

Smear refrigerant oil on the joints of piping and flare.
The bending radius shall be as large as possible.
Align the pipe center  when fastening, and tighten the
nut, as shown in the figure.
Pay attention to not mix foreign matters such as sands
in.

Diameter of Pipe

Liquid Pipe 6.35mm

Gas Pipe 12.7mm

Tighten Torque

11.8N. m

49.0N. m

If not aligned ,tighten the nut by force will
damage the nut that result in gas leakage

Flare connection

Gas pipe

3-way valve

Indoor
Unit

Outdoor
unit

Liquid
pipe

2-way valve

Flare connection

90 + 0.5

12.7mm

6.35mm

Gas pipe

Liquid pipe