En-9
Gap of 1.5 to 2 m
700 mm or less
Horizontal or
upward gradient
Supporter
Max. 300 mm
Locally arranged pipe
GOOD
VP25 [O.D
32 mm or more]
Rise
Air bleeding
PROHIBITED
Trap
Observe the following procedures to construct centralized drain pipe fi ttings.
VP30 or more [O.D 38 mm or more]
Downward gradient 1/100 or more
700 mm or less
5.1B. When drain pump is not used (Natural drainage)
CAUTION
Set “Drainage function setting (JM1)” in “7.4 Jumper wire setting.”
Drain pump cannot be used if it is installed in wall mounted type/floor standing
concealed type.
If the drain pump is not used, please replace with the drain cap.
Wall mounted type /
Floor standing concealed type
Ceiling concealed type
• Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm].
• 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
Gap of 1.5 to 2 m
100 mm or more
Downward gradient
2.5-5.0 mm
Supporter
Locally arranged pipe
GOOD
VP25 [O.D 32 mm
or more]
Air bleeding
Rise
PROHIBITED
Trap
Observe the following procedures to construct centralized drain pipe fi ttings.
VP30 or more
[O.D 38 mm or more]
Downward gradient
1/100 or more
(2) Wall mounted type / Floor standing concealed type
100 mm
or more
Downward gradient
2.5-5.0 mm
Locally arranged pipe
GOOD
VP25 [O.D
32 mm or
more]
Air bleeding
Rise
PROHIBITED
Trap
Observe the following procedures to construct centralized drain pipe fi ttings.
VP30 or more
[O.D 38 mm or more]
Downward gradient
1/100 or more
9374342235-02_IM.indb 9
4/2/2012 2:36:11 PM
AMP Air Conditioning
www.ampair.co.uk | [email protected]
