20
Application Information
Model: ACC-CW
The indoor unit must be installed such that there is no short circuit of the cool discharge. Respect the
installation clearance. Do not put the indoor unit where there is direct sunlight on unit. The location is suitable
for piping and drainage and it must have a large distance between a door and unit.
Ceiling Concealed Mounting
• Use the hanger supplied with the unit.
• Make sure that the ceiling is sufciently strong to withstand the weight.
(eld supply)
Aluminium tape
(eld supply)
Aluminium tape
Air outlet side
Air inlet side
See
Detail A
Field supply
W
(attached)
Tighten
Provide clearance for servicing ease and optimal air ow as shown in the diagram.
300mm* or more
300mm
or more
10mm
* Can be smaller than 300mm if ceiling is removable.
Floor
2300mm or more
Ceiling
Ceiling Concealed Drain Piping Work
Unit : mm
Do not leave in water
Bottom of
the unit
Drain
trap
S
l
a
n
t
Insulate securely
100 100
• The drain pipe must be installed as shown in the diagram (see diagram above) to avoid damage caused
by leaks and condensation.
• For the best result, keep the piping as short as possible. Slant the piping at an angle to improve the ow.
• Ensure the drain pipe is securely insulated.
• It is necessary to provide a drain trap in the drain outlet to relieve pressure that exists within the unit
compared to the outside atmospheric pressure when the unit is operating. The drain trap is to avoid
possibility of splashes or an odor.
• Keep pipes as straight as possible for easy cleaning and to prevent the accumulation of dirt and debris.
• Conduct a water drainage test after the installation is completed. Make sure that the drainage ow is
smooth.
• In humid environments, use an extra drain pan to cover the entire area of the indoor unit.
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