WZA
School ventilation
Assembly, installation and operating instructions
22
6.4.3 Connecting the DN50 pipework to the façade connection
1
2
3
4
5
6
Fig. 4: Connecting the pipework to the façade connection
Preparatory measures, such as drilling holes in the wall, ensuring access for connection to the façade and/or replacing a win-
dow element with a connection panel, need to have been completed
before
installation of the unit!
Connect on-site pipe connections
3
to exhaust air spigots
1
and outside air spigots
2
.
Fit the façade outlet (optional accessory).
– Fasten the wall fixing
4
to the wall on site.
– Push the exhaust air spigot
6
through the wall fixing
4
onto the pipe connection
3
.
– Push the air outlet hood
5
onto the exhaust air spigot
6
and screw to the wall fixing
4
.
It is essential that the pipework is insulated to avoid the formation of condensation. If the pipework is to be enclosed
within a casing, then this also needs to be insulated!