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Installation manual
M-WRG-II M/MB
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · 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
9.4
Inserting the wall box
NOTICE
► Prepare the breakthrough surfaces
suitably for the wall box.
► Remove the plaster cover (item 1 in
Fig. 14) from the wall box (item 5 in
► Remove the cardboard insert (item 2
in Fig. 14) from the wall box (item 5 in
► Thread the mains cable and the
control cable, if required (item 3 in
Fig. 14), through the cable inlet in the
wall box (item 4 in Fig. 14).
► Push the wall box (item 5 in Fig. 14)
fully into the wall breakthrough.
9.5
Inserting the cardboard insert and plaster cover
► Insert the cardboard insert (item 1 in
Fig. 15) into the wall box (item 3 in
Fig. 15) as far as it will go.
► Insert the plaster cover (item 2 in
Fig. 15) into the wall box (item 3 in
Fig. 15) as far as it will go.
NOTICE
When the gaps around the wall box
are filled with foam (see section 9.7 on
page 24), there is a risk that the wall
box will be deformed by the pressure
of the foam if the plaster cover is not
inserted. If this happens, it will not be
possible to insert the ventilation unit
into the wall box.
► Check that the red signal cover (item 4 in Fig. 15) is seated in the plaster cover.
Fig. 14: Inserting the wall box
1
2
3
4
5
Fig. 15: Inserting the cardboard insert and plaster
cover
4
3
1
2