
Installation manual
M-WRG-II ventilation units
- 24 -
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
info@meltem.com · www.meltem.com
VENTILATION THE RIGHT WAY
V E N T I L A T I O N & H E A T R E C O V E R Y
10 Surface-mount installation
10.1
Marking positions of core drill holes with drilling template
►
Press the pre-punched cut-outs
(item 1 in Fig. 16) for the core drill
holes out of the drilling template.
►
Position the drilling template (item 2
in Fig. 16) at the installation location
on the internal wall.
NOTICE
Observe the required distances of
roughly 300 mm from the ceiling and at
least 50 mm from the side wall.
►
Use the spirit level to align the drilling
template (item 3 in Fig. 16).
►
Fix the drilling template in place with
adhesive tape (item 4 in Fig. 16).
►
Using the spirit level, check again
that the drilling template is aligned.
►
Mark the outlines (item 1 in Fig. 17)
of the pre-punched contours for the
core drill holes on the internal wall.
►
Mark the six notches (item 2 in
Fig. 17) of the drilling template on the
internal wall.
►
Remove the drilling template.
►
Draw the cross-hairs (item 3 in
Fig. 17) for the core drill holes using
the six marked notches.
►
Check the marks for the core drill
Fig. 16: Marking positions of the core drill holes
1
2
3
4
approx. 300 (min. 150)
min. 50
Fig. 17: Marks on the internal wall
2
1
3