
Isolation - Before commencing work make sure that
the unit and Nuaire control are electrically isolated
from the mains supply.
4
09. 04. 15. Leaflet Number 671680
Installation, Operating and Maintenance Instructions
DAVE Extract Fans (BC Models)
7.0 Maintenance
The first maintenance should be carried out three months after
commissioning and thereafter at 12 monthly intervals.
General Cleaning and inspection -
Electrically isolate before
commencing work. Remove the top or the bottom cover and
carefully clean out the interior as necessary. Check all parts for
security and that the impeller rotates freely, taking care not to
disturb the balance. Ensure all control components are secure and
clean, refit the cover.
Lubrication
- Motors are fitted with sealed for life bearings and do
not require any lubrication.
Filter care/replacement
-The filter (where applicable) will require
cleaning on a regular basis. The frequency of the cleaning operation
will depend on the site conditions.
8.0 Fan Components
(see fig: 7)
Key
Components
A
Lid / Base
B
Attenuation Pods (‘A’ models with extended case only)
C
Attenuation Pods Retaining Clips (‘A’ models only)
D
G3 Filter (‘A’ models with extended case only)
A
B
C
D
B
A
Fig 7: Fan Components.