Installation procedure, Install indoor unit – haier AB422BCBAA User Manual

Page 26

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Installation procedure

Install indoor unit

24

3.Preparation before installation

(1) The position relation among ceiling opening and hoisting screws (unit: mm)

(2) If necessary, cut the opening installation needed in the ceiling.
(For the condition of having ceiling)

For the dimension of the ceiling opening, please refer to the installation paper
panel.
Before installing the unit, finish the work of all the pipes (refrigerant pipe, drain
hose) and wire (connection wire of indoor and outdoor unit) connected with
indoor unit to make it is possible after installation, they may connect with the
indoor unit immediately.
If cutting a opening in the ceiling, maybe the ceiling needs to be strengthened
to guarantee its evenness and prevent the ceiling from vibration. For details,
please consult to the builder.

(3) Install the hoisting screw (use a M10 screw)
(The using specification of hoisting screw is M8, but when the height of
hoisting screw is more than 1.0m, the hoisting screw with the specification
of M10 must be used).
In order to bear the weight of the unit, for the original ceiling circumstance,
use foot screw; for the new
ceiling circumstance, use
built-in screw, embedded
screw or the parts provided
on site.Before continuing
installation, adjust the gap
between the unit and the
ceiling.

(Instruction)

The dimension of the ceiling
opening with the mark of * can
reach 910mm, but the overlap
part between ceiling and
decorative panel should keep
over 20mm.

A

950 (Decorative panel)

890*(Ceiling opening)

840 (Indoor unit assembly)

780 (The distance

between hoisting screws)

Refrigerant pipe

Hoisting screw

1340 (Decorative panel)

1280*(Ceiling opening)

840 (Indoor unit assembly)

1070 (The distance
between hoisting screws)

A direction

Over 20

Ceiling

Hoisting angel iron

<The example of actual installation>

Roof

Screw

Long screw nut or threaded bolt

Hoisting screw (M8 or M10)

Ceiling

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