downward to the outdoor side with the gradient of 5-10°.
9k &12k
Wall
Space
to the
wall
above
Left
Rear piping hole
17k & 21k
Wall
Space
to the
wall
above
Left
Rear piping hole
Wall
Space
to the
wall
above
Right
Rear piping hole
Wall
Space
to the
wall
above
Right
Rear piping hole
55 or
70 on the selected outlet pipe
27
GB