haier AB422BCBAA - Manual (Page 29)

Installation procedure
Install indoor unit
The drain hose should be as short as possible. The droop slant degree at least
should be 1/100 to avoid forming of gas bag.
If cannot make the drain hose have an enough slant degree, a drainage
enhancing hose should be equipped.
In order not to let the drain hose bend, a 1~1.5m distance should be kept
between suspending frame.
Use drain hose (accessory) and buckle (accessory).
Insert the drain hose into the drainage interface till the white adhesive tape
part. Tighten the buckle tight.
In order to thermal insulated, use seal cushion to bind the drain hose.
Do thermal insulation to the indoor drain hose.
The installation height of the drainage enhancing pipe should be less
than 280mm.
The drainage enhancing pipe should be vertical to the unit and no more
than 300mm away from the unit.
Instruction)
The slant of the accessory drain hose should be within 75mm to make the
drain faucet not bear too much excessive external force.
If many drain hoses join together, please install according to the following
procedure.
The specification of the chosen joined drain hoses should be applicable to the operation
capacity of the unit.
Below 75mm
Drain hose (accessory)
1-1.5m
1/100*****
Correct
Drain hose (accessory)
Within 300mm
Wire clamp (accessory)
1-1.5m
Drainage enhancing pipe
Hoisting foot
Below 530
220
Below 750
T-joint joined drain hose
Over 100
27
Incorrect
Buckle (accessory)
Big seal cushion (accessory)
Below 4mm
Drain hose(accessory)
Buckle(accessory)
Adhesive tape (white)