Drain Piping - Haier AU282AHBEA Service Manual

(2) If necessary, cut the opening installation and checking needed on the ceiling. (If has ceiling)
Before installation, finish the preparation work of all the pipes (refrigerant, drainage) and wire (wire controller
connection wire, indoor and outdoor unit connection wire) of indoor unit, so that after installation, they can be
immediately connected with outdoor unit.
Cut the opening on the ceiling. Maybe it needs to strengthen the ceiling to keep the ceiling even and flat and
prevent the ceiling from vibration. For details, please consult to the builder.
(3) Hanger bolts installation
Use care of the piping direction when the unit is installed.
(Use M10 screw bolt)
In order to bear the weight of the unit, for existed
ceiling, using foundation screw bolt, for new ceiling,
using burying embedded screw bolt, burying screw
bolt or spot supplied other parts.
Before going on installation, adjust the gaps with ceiling.
4. Installation of indoor unit
Fix the indoor unit to the hanger bolts.
If required, it is possible to suspend the unit to the beam, etc.
Directly by use of the bolts without using the hanger bolts.
Note
When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging
bracket.
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.

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
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).
1.5m ~ 2m
>a__WcU[S^ <[c >a`V[e[a`Wc
Hole-in anchor
Hole-in plug
Hanging bolt M10
M10 nut
Main unit
Piping side
Supply water
Water level
0~5 mm
(0~0.2")
Inproper piping
Avoid riding across an elevation
Keep free from traps
Air vent
Drain socket
Drain socket
Main unit
-160-
Insert
Concrete
Hanging bolt
M10 washer
M10 spring washer
Bring the piping side slightly lower.
Do not pipe under water
Stage
difference
Drain hose
part
VP 25 joint
Pipe cover(large)
(field purchased)
[for insulation]
(accessory)
Drain hose
(accessory)
Clamp
(accessory)
Adhesion
Pipe cover
[for insulation]
Pipe cover(small)
(field purchased)
[for insulation]
(accessory)
PVC hose
VP 25
(field purchased)