WZA
School ventilation
Assembly, installation and operating instructions
30
2
1
Check the extract air filter
Use the locking lever
1
to open the filter flap
2
.
Remove the extract air filter from the filter flap and clean
it or replace it if seriously dirty.
11.3.2 Cleaning the enthalpic heat exchanger
Perform all the steps to clean the enthalpic exchanger as shown in the video.
Use the locking lever to open the service doors.
Remove the 2 self-locking screws M5x10 from the service panel.
Remove the earthing cable from the service panel.