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.

M10 screw nut

Hoisting screw M10 washer

Main unit

M10 spring washer

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.

One side of pipe

Charging water

Horizontal

 

0~5 mm

PVC pipe

(0~0.2")

 

Make one side of the pipe a little bit lower

(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.

Standard air sending (when deliver the air conditioner)

 

High fan speed air sending

 

One side of the

 

White

 

 

White

 

 

White

 

 

Black

 

 

 

Connector,White

 

 

One side of the control box

Connector,White

 

One side of Fan motor

control box

Blue

White

Blue

One side of Fan motor

Blue

Red

White

 

Yellow

Yellow

Yellow

Blue

 

Red

Red

Red

Red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Haier AD422BMBAA manual Installation of indoor unit, Adjust to level, Choose the air sending of the fan motor

AD422BMBAA specifications

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