Haier AD88NAHBEA Instruction Manual - page 16
15
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.
(b) Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float
switch may occur.
PVC hose
Piping side
Supply water
Water level
0~5 mm
(0~0.2")
Bring the piping side slightly lower.
Drain hose
Stage
difference
part
Drain socket
Drain socket
Main unit
VP 25 joint
(field purchased)
Pipe cover(large)
[for insulation]
(accessory)
VP 25
(field purchased)
Pipe cover
[for insulation]
(field purchased)
Drain hose
(accessory)
Pipe cover(small)
[for insulation]
(accessory)
Clamp
(accessory)
Adhesion
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).
(c)
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.
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.
(b)
Good piping
1.5m ~ 2m
Suspension
bolts
Heat
insulation
A downhill grade
of 1/100 or more
Do not pipe under water
Keep free from traps
Avoid riding across an elevation
Air vent
Inproper piping