Installation procedure, Install indoor unit – haier AD422BMBAA User Manual

Page 23

Installation procedure

Install indoor unit

4. Installation of indoor unit
Fix the indoor unit on the hoisting screw.
If necessary, suspend the unit on the crossbeam. Do not use hoisting
screw, directly use screw bolt.

Note:
If the dimension of main parts does not meet the opening of the ceiling,
adjust the slot of suspending bracket.

Adjust to level

(a) Use gradienter or other methods to perform level adjustment.
Perform level adjustment to make the relationship between the bottom
surface of the equipment and the horizontal surface as the shown below.

(b) Unless adjust to horizontal, otherwise the floating switch may have tro-
uble or misplay.

Choose the air sending of the fan motor

(When use high performance air filter)

The fan motor is equipped with red and white terminals, when in
factory, the air sending has already been set at the standard choose.
When using the high performance air filter, etc. optional parts leading
to the static pressure rise, please according to the following figure shown
to change the connection of the connector installed on the side of control
box.

Red

White

Yellow

One side of the

control box

Standard air sending (when deliver the air conditioner)

High fan speed air sending

Blue

One side of

Fan motor

Connector

Black

PVC pipe

0~5 mm

(0~0.2")

One side of pipe

Charging water

Horizontal

Make one side of the pipe a little bit lower

M10 screw nut

M10 washer

M10 spring washer

Hoisting screw

Main unit

One side of the

control box

Connector

One side of

Fan motor

Blue

White

Yellow

Red

White