48
Step 3: open piping hole
1. Choose the position of piping hole according to the direction of outlet pipe. The
1. position of piping hole should be a little lower than the wall-mounted frame, shown as below
Left
Wall
Φ55
Right
Mark in the middle of it
Level meter
Rear piping hole
Wall
Space
to the
wall
above
150mm
Space
to the
wall
above
150mm
Φ55
Rear piping hole
2. Open a piping hole with the diameter of Φ55/70 on the selected outlet pipeposition. In order to drain
smoothly, slant the piping hole on the wall slightly downward to the outdoor side with the gradient
of 5-10°..
Pay attention to dust prevention and take relevant safety measures
when opening the hole.
The plastic expansion particles are not provided and should be
bought locally.
Indoor
5-10
outdoor
Φ70
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