INDOOR UNIT5-2.
GENERAL RULES OF DRAIN PROCESS
Install the drain pipe with downward gradient (1/100 or more) and so there are no rises in the
●
pipe.
Use general hard polyvinyl chloride pipe (VP25) and connect it with adhesive (polyvinyl
●
chloride) so that there is no leakage.
Support the drain pipe with supporters each 1.5 to 2m.
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Do not perfrom air bleeding.
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Always heat insulate the indoor side of the drain pipe.
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When connecting the drain hose to the indoor unit, use the accessory band. (Except
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compact wall mounted type and wall mounted type)
COMPACT CASSETTE TYPE
300mm or less
Max. 700mm
Attached band
drain hose
(accessory)
Downward
gradient 1/100
or more
Horizontal or
upward gradient
VP25 (Local
arrangement)
1.5m to 2.0m
Hanging tting
Downward gradient
1/100 or more
Air bleeding
Rise
Trap
Prohibited
Drain lift-up pipe restrictions:
●
(1) Lift-up height ≤ 700mm (from ceiling)
(2) Drain hose (pipe) length ≤ 300mm (between indoor unit and lift-up pipe)
When a dimensions exceed the above restrictions will cause water leakage.
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- (06 - 61) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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