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1-4
Measure and mark the position for the hanging rod.
Drill the hole for the angle nut on the ceiling and
Þ
x
the hanging rod.
The installation template is extended according to
temperature and humidity. Check on dimensions in
use.
The dimensions of the installation template are the same
as those of the ceiling opening dimensions.
Before ceiling laminating work is covmpleted, be sure
to
Þ
t the installation template to the indoor unit.
•
•
•
•
Con
Þ
rm the pitch of the hanging rod.
Hold the unit and hang it on the hanging rod with the
nut and washer.
Adjust the unit height to 35.0 mm between the indoor
unit bottom surface and the ceiling surface.
Con
Þ
rm with a level gauge that the unit is installed
horizontally and tighten the nut and bolt to prevent unit
failing and vibration.
Open the ceiling board along the outer edge of the paper
installation template.
•
•
•
•
•
Drain pipe must be in downward gradient for smooth
drainage.
Avoid installing the drain pipe in up and down slope to
prevent reversed water
ß
ow.
During the drain pipe connection, be careful not to exert
extra force on the drain connector at indoor unit.
The outside diameter of the drain connection at the
ß
exible drain hose is 20 mm.
Be sure to execute heat insulation (polyethylene foam
with thickness more than 8.0 mm) on the drain piping to
avoid the condensed water dripping inside the room.
•
•
•
•
•
Connect the main drain pipe to the
ß
exible drain.
Feed water from
ß
exible drain hose to check the piping
for leakage.
When the test is completed, connect the
ß
exible drain
hose to the drain connector on the indoor unit.
•
•
•
Indoor Unit
Ceiling
Board
35.0 mm
35.0 mm
Indoor Unit
Ceiling Board
Indoor Unit
Pipe Clamp
Good
Bad
Feed Water
Flexible Drain Hose
Main Drain Pipe
NOTE
This indoor unit uses a drain pump for condensed water drainage. Install the unit horizontally to prevent water leakage
or condensation around the air outlet.
NOTE
Be sure to discuss the ceiling drilling work with the
installers concerned.
Unit Hanging
Drain Pump Work
Drain Test
Unit Installation
15.0
538.0
529.0
19.0
18.0
580.0 ~ 610.0 mm
(Ceiling Board Opening)
32.0
38.0
505.0
448.0
88
.0
580.0 ~ 610.0 mm
(Ceiling Board Opening)
Summary of Contents for FWF02CATNMV1
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