AirStage ARUL12RLAV Manual de instalação - Página 10
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5.1B. When drain pump is not used (Natural drainage)
Set "7.4. Switching of drainage function"
Drain pump cannot be used if it is installed in wall mounted type/fl oor standing con-
cealed type.
If the drain pump is not used, please replace with the drain cap.
Ceiling concealed type
• Use general hard polyvinyl chloride pipe ø 3/4 in. (19 mm) [I.D.], ø 1-1/16 in.(27 mm)
[O.D.] .
• Do not perform a rise, trap and air bleeding.
• Provide a downward gradient (1/100 or more).
• Provide supporters when long pipes are installed.
• Use an insulation material as needed, to prevent the pipes from freezing.
• Install the pipes in a way that allows for the removal of the control box.
(1) Ceiling concealed type
3-15/16 in. (100 mm) or more
Locally arranged pipe
Observe the following procedures to construct centralized drain pipe fi ttings.
[O.D.1-5/16 in.
(33 mm)] or more
En-9
CAUTION
Wall mounted type /
Floor standing concealed type
Gap of 5' to 6' 6" (1.5 to 2 m)
Downward gradient
0.10-0.19 in.
(2.5-5.0 mm)
Supporter
[O.D.1-1/16 in.
(27 mm)] or more
Good
Air bleeding
Trap
Rise
Prohibited
Downward gradient
1/100 or more
(2) Wall mounted type / Floor standing concealed type
Locally arranged pipe
Observe the following procedures to construct centralized drain pipe fi ttings.
[O.D.1-5/16 in.
(33 mm)] or more
5.2. Install the drain pipe
(1) Be sure to use supplied Drain hose 1 and Hose band 2
Drain
hole
25/32 in. (20 mm)
1 Drain hose
Fasten the Hose band 2 at the position where
horizontal against earth (ground).
The Hose band 2 must be positioned at the right
side of the Drain hose
Downward gradient
0.10-0.19 in. (2.5-5.0 mm)
3-15/16 in.
(100 mm)
[O.D.1-1/16 in.
or more
(27 mm)] or more
Good
Air bleeding
Trap
Rise
Prohibited
Downward gradient
1/100 or more
2 Hose band
1 Drain hose
Hard PVC side
Hose band
5/32 in. (4 mm) or less
2 Hose band
1
as in the fi gure.