Haier AD09LS1ERA Manuel D'utilisation Et D'installation page 24

Installation Procedure
Open all valves
Gas leakage detection
Insulation treatment
Installation Procedure
CAUTION
In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal
insulated to avoid dew generation. Improper hose connection may cause indoor water leakage.
Requirements
The indoor drain pipe shall be thermal insulated.
The connection part between the drain pipe and
the indoor unit shall be insulated so as to prevent
dew generation.
The drain pipe shall be slant downwards (greater
than 1/100). The middle part shall not be of S type
elbow, otherwise abnormal sound will be produced.
The horizontal length of the drain pipe shall be less than 20 m. In case of
long pipe, supports shall be provided every 1.5 _ 2m to prevent wavy form.
Central piping shall be laid out according to the right figure.
Take care not to apply external force onto the drain pipe connection part.
For unit with water pump drain pipeuse hard PVC general purpose pipe
VP which can be purchased locally. When connecting, insert a PVC
pipe end securely into the drain socket before tightening securely using
the attached drain hose and clamp. Adhesive must not be used for
connection of the drain socket and drain hose (accessory).
Pipe and insulation material
Pipe Rigid PVC pipe VP20 mm (internal diameter)
Insulation Foamed PE with thickness above 7 mm
For unit without water pump
1.5m~2m
Support
Down slope above 1/100
Insulation (supplied by the user)
Down slope above 1/100
For unit with water pump
Drain socket
Pipe cover(large)
[for insulation]
(accessory)
Main unit
Drain hose
(accessory)
Clamp
(accessory)
Pipe cover(small)
[for insulation]
(accessory)
Refrigerant Pipe
Drain Pipe
S type elbow
To the largest (app. 10cm)
VP30
VP(field purchased)
VP(field purchased)
Adhesion
Pipe cover
[for insulation]
(field purchased)
Wall
Outside
Slant
Drain pipe (supplied
by the user)