Haier AU282AHBEA Service Manual page 198

Installation where the area with strong winds.
Install the unit so that the air outlet section of the unit must NOT be faced toward wind direction.
Installation
Fix the unit in a proper way according to the condition of a place where it is installed by referring
to the following .
(a) Concrete foundation
Anchor bolt
Note: (1) Give enough room for the concrete
foundation to fix by anchor bolts.
Install the unit so that the angle of inclination must be less than 3 degrees.
Refrigerant piping
Outline piping
Flare connection
Indoor
unit
Piping size
Liquid pipe
9.52x0.8mm
Gas pipe
19.05x1.0mm
Connect the flare nuts to the pipes, and then flare the pipes.
Precautions for refrigerant piping
Do not twist or crush piping.
Be sure that no dust is mixed in piping.
Bend piping with as wide angle as possible.
Keep insulating both gas and liquid piping.
Check flare-connected area for gas leakage.
Unit
Concrete foundation
To fix by bolts
Note: (1) Place the concrete foundation deep enough.
Gas pipe
Liquid
pipe
90+0.5
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(b) Foundation anchor
Unit
Concrete foundation
Anchor bolt
3-way stop valve
Outdoor
unit
2-way stop valve