Connect The Drain Pipe - Lennox PISO-TECHO Installation Manual

CONNECT THE DRAIN PIPE

1. Install indoor unit drain pipe
The outlet has PTI screw bread, Please use sealing materials and pipe sheath (fitting)
when connecting PVC pipes.
CAUTIONS
The drain pipe of indoor unit must be heat insulated, or it will condense dew, as well as
the connections of the indoor unit.
Hard PVC binder must be used for pipe connection, and make sure there is no leakage.
With the connection part to the indoor unit, please be noted not to impose pressure on the
side of indoor unit pipes.
When the declivity of the drain pipe downwards is over 1/100, there should not be any win
ding.
The total length of the drain pipe when pulled out traversely shall not exceed 20m, when
the pipe is over long, a prop stand must be installed to prevent winding.
Refer to the figures on the right for the installation of the pipes.
1.5m~2m
Insulating
Downward declivity
material
lower than 1/100
2. Drainage test
Check whether the drainpipe is unhindered
New built house should have this test done before paving the ceiling.
Put as deep as possible
(about 10cm)
Bend
S shape
Downward declivity
lower than 1/100
9
VP30