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Installation manual
M-WRG-M/MB-FK1 / FK2
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 AT I O N & H E AT R E C O V E R Y
9.12
Riveting the 90° bracket to fixing plate
►
Remove the protective cover for the bracket
(item 1 in Fig. 20).
►
Use the riveter to fix the 90° bracket (item 2
in Fig. 20) to the fixing plate (item 4 in
Fig. 20) with two blind rivets (item 3 in
►
Push the protective cover (item 1 in Fig. 20)
back into the bracket (item 2 in Fig. 20).
9.13
Plastering the wall box and flat ductwork on the inside
NOTE
►
Prepare the substrate suitably before plas-
tering.
►
Make sure that the signal cover (item 1
in Fig. 21) is seated in the plaster cover
(item 2 in Fig. 21).
►
Make sure that the protective cover (item 3
in Fig. 21) is seated in the 90° brackets.
►
Cut off any excess expanding foam on the
wall box and flat ductwork.
►
Apply the plaster scrim M-WRG-PG (item 4
in Fig. 21) to the wall box and the solid wall.
►
Cover the flat ductwork with plaster scrim.
NOTE
Applying plaster scrim will minimise subsequent cracking of the plaster.
►
Plaster the internal wall. The plaster forms the airtight layer on the internal wall. The expand-
ing foam does not act as an airtight layer.
Fig. 20: Riveting the 90° bracket to fixing plate
Fig. 21:
Plastering the wall box on the inside