Intended Use; Preparatory Work - Zehnder ComfoSpot 50 Instructions De Montage

Round mounting block

Intended use

The round mounting block consists of a PVC
mounting block and two dust covers (Fig. 1).
It is used to hold the ComfoSpot 50 ventilation
unit. A core hole of
must be provided through the exterior wall for
installing the PVC mounting block. The final wall
thickness must be within a range of min. 335 mm
(13 3/16 inch) to max. 600 mm (23 5/8 inch).

Preparatory work

Select a suitable installation location in an
exterior wall. Ensure that there is 39 cm
(15 3/8 inch) of clearance on the left side of
the room and 29 cm (11 7/16 inch) on the right
to the drilling centre and 70 cm (28 inch) deep
clearance in front to access the unit for routine
maintenance.
Fig. 1 – mounting block
6
ø
340 mm (13 3/8 inch)
Core hole drilling
A plumb wall is required. (Fig. 2).
The cored hole must be level and
horizontal through the exterior wall.
The cored hole must be at least
340 mm (13 3/8 inch) in diameter.
Fig. 2 – core hole drilling