34
①
Installation requirement for drainage pipe
The drainage pipe must be inclined downward (1/100 or above) to avoid condensate water flow.
Downward
Downslope
Drain pipe
Use PVC adhesives
PVC pipe
(inner diameter
15mm) or rigid
PVC pipe
(VP-16)*
Upward
Water
leaks
The end of the
drain pipe is
immersed in water
Drainage outlet
Water leaks
Water
leaks
Water accumulates
Air
The drain pipe deflects and
generates air resistance
Below 50mm
from ground
Small S-shaped
drain pipes are
not allowed.
The end of the
drain pipe shall
not be immersed
in water.
Make sure the drainpipe
is inclined downward.
