8
Maintenance
Ventilation Unit WL610
• Date of issue: 25.05.2011 • Technical changes reserved. Errors reserved.
3.
Maintenance
The device must be checked for dirt and function annually by the retailer/installer and
cleaned if necessary. For this purpose, the inner cover hood may be detached. No abra-
sive cleaning agents should be used for cleaning.
Maintenance and cleaning inside the device must only be car-
ried out by a competent electrician. The device must be separat-
ed from power supply then (e.g. deactivate or remove fuse).
Fig. 3
:
Prited circuit board
1
Microfuse T 1,6 A
2
Terminals power supply L / N / PE
3
Terminals:
1 Fan red
2 Fan blue
3 Fan black
4 Not in use
5 Flap drive +
6 Flap drive –
7, 8 Temperature sensor
4
Programming key for teaching in