Haier AU84NBTBAA User Manual page 12

Installation of outdoor unit
The interval among foot screws is as below Figure shown.
(2)When connecting the refrigerant pipe out of the
unit box, the box bottom should use aerial type.
The height of the aerial part should be over 500
mm, as the below Figure shown.
(3)When installing in the area with too much snowfall,
the outdoor unit should take the snow protection
measure as the below Figure shown. (If the snow
protection measure is not sufficient, it may cause
trouble. In order not to be influenced by the acc-
umulated snow, the outdoor unit should be lifted
highly and install snow protection cover at the air
inlet and outlet of the outdoor unit.)
(4)When installing outdoors, install the anti-vibration
cushion between the unit and the installation bracket.
3
.
Connection of refrigerant pipe
During installation, if refrigerant leakage occurs, do the ventilation work immediately.
As soon as the refrigerant gas meets fire, poisonous gas will be produce.
After installation, confirm there is no leakage of refrigerant. If the refrigerant gas enters
into room and meet the air blowing heater, heater or stove etc. fire source, the poisonous
gas may be produced.
Connection of refrigerant pipe
(1)The joint of the refrigerant pipe is in the outdoor unit, remove the front checking and
repair panel.
(2)The refrigerant pipe can be connected out from the front and lower part of the outdoor
unit.
In order to guarantee the efficiency, the refrigerant pipe
should be as short as possible.
Daub the refrigerant oil on the joint and the flare.
When bending the pipes, give the roundness as large as
possible, to avoid crashing and flat the pipes.
To connect the pipe, fit the center and use hand to screw the
nut, as shown in figure.
Pay attention not to let alien matters, such as sand, water get
into the pipe.
If do not fit the center and screw the nut hard, the
screw thread may be damaged, which will cause
refrigerant leakage.
(3) Connect the connection pipe of outdoor unit
According to the connection method to connect the connection pipe and in/out liquid
pipe and gas pipe.
Pass hole (15x20 long hole)
Snow protection
cover at air inlet
Warning
Spanner
Pipe diameter
Liquid pipe 9.52mm
Gas pipe 19.05mm
Over 500mm
Refrigerant pipe
Snow protection
cover at air outlet
Snow protection
cover at air inlet
Joint Nut
Spanner
Fasten torque
32.7~39.9 N.m
97.2~118.6 N.m
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