Hoval RoofVent KG, Original Operating Manual

Page: 37 / 40

Changing the filter
Caution
Danger of hazardous emissions from damaged filters:
– Only hold the filters on the black filter frame.
– Never touch the white filter medium.
– Replace damaged filter elements immediately.
Caution
Crushing hazard from closing dampers. Only open the access doors when
the 'Filter change' illuminated button is constantly illuminated (waiting
period of approx. 2 min).
■ Press the 'Filter change' illuminated button.
■ Wait until the button is constantly illuminated.
– The button flashes whilst the speed of rotation of the fans is reduced and the
dampers close; it illuminates constantly as soon as the access doors may be
opened.
■ Changing the extract air filter:
– Open the extract air access door.
– Release the filter brackets and remove the filter elements.
– Insert the new filter elements. When doing this, only hold the frame.
– Fix the filter elements in place with the filter brackets.
– Close the access door.
■ Changing the fresh air filter:
– Open the fresh air access door. Release the safety loops and fold the access
door down completely.
– Release the filter brackets and remove the filter elements.
– Insert the new filter elements. When doing this, only hold the frame.
– Fix the filter elements in place with the filter brackets.
– Fold the access door up and reattach the safety loops. Close the access
door.
■ Changing the fresh air filter when a fresh air silencer is installed:
– Open the clamping lock of the fresh air silencer on both sides. Fold the
silencer down.
– Release the filter brackets and remove the filter elements.
– Insert the new filter elements. When doing this, only hold the frame.
– Fix the filter elements in place with the filter brackets.
– Fold the silencer up and hook the clamping lock in on both sides. Secure the
clamping locks with cotter pins.
■ Press the 'Filter change' illuminated button again to set the unit back to normal
operation. The button goes out.
Notice
If the 'Filter change' illuminated button is not pressed again, the unit
automatically switches back to normal operation after 30 min. The button
goes out.
■ Dispose of the filters in accordance with local regulations.
– The filters are fully incinerable; the disposal of used filters depends on the
contents.
1
2
3
4
5
■
1
Filter change illuminated button
■
2
Extract air filter
■
3
Extract air access door
■
4
Fresh air access door
■
5
Fresh air filter
Fig. 34: Changing the filter
37
RoofVent ® KG
Operating instructions
Maintenance and repair
4 220 755-en-00