Haier AD96NAHAEA Instruction Manual page 16

INSTALLATION MANUAL FOR INDOOR UNIT
Adjusting to the levelness
(a) Adjust the out-of levelness using a level or by the following method.
Make adjustment so that the relation between the lower surface of the unit proper and water level in the
hose becomes as given below.
Piping side
Supply water
Water level
0~5 mm
(0~0.2")
(b) Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float
switch may occur.
5. Drain Piping
(a) Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or
making traps.
Good piping
Suspension
1.5m ~ 2m
bolts
A downhill grade
Heat
of 1/100 or more
insulation
(b)
When connecting the drain pipe to unit, pay suffcient attention not to apply excess force to the piping
on the unit side. Also, fix the piping at a point as close as possible to the unit.
(c)
For drain pipe, use hard PVC general purpose pipe VP-25(I.D.1") 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 connection of the drain socket and drain hose
(accessory).
Main unit
Bring the piping side slightly lower.
Stage
difference
part
Drain socket
Drain socket
Pipe cover(large)
[for insulation]
(accessory)
Drain hose
(accessory)
Clamp
(accessory)
Pipe cover(small)
[for insulation]
(accessory)
PVC hose
Inproper piping
Air vent
Drain hose
VP 25 joint
(field purchased)
VP 25
(field purchased)
Adhesion
Pipe cover
[for insulation]
(field purchased)
15
Avoid riding across an elevation
Keep free from traps
Do not pipe under water