- 41 -
Installation manual
M-WRG-II M
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
9.17
Cutting ventilation pipes to length
► Push the two ventilation pipes (item 1
in Fig. 40) into the openings in the
installation kit until they end flush with
the inside of the installation kit (item 2
in Fig. 40).
►
On the outer wall, mark the required
excess length of the ventilation pipes
to suit the outer wall terminal, see
►
Remove the ventilation pipes from
the openings in the installation kit.
►
Shorten the ventilation pipes to the
marked length.
►
Deburr the inner and outer ends of
the ventilation pipes.
NOTICE
If you do not deburr the ventilation pipes there is a risk of damaging the seals at the
ventilation unit and outer wall terminal.
Outer wall terminal
Excess length
Stainless steel pod, M-WRG-II ES
5 - 10 mm from the plastered external wall
Plastic pipe set, M-WRG-II KSR
20 - 27 mm from the plastered external wall
Table 4: Excess length of ventilation pipes protruding from the external wall
Fig. 40: Cutting ventilation pipes to length
1
2
