Heat recovery unit RDAF - Technical manual
9
FläktGroup DC_9349GB_20190326_R4
We reserve the right to make changes without prior notice
FILTER ALARM AND FILTER REPLACEMENT
Figure 14. Location of filters in unit.
Figure 15. Resetting of filter alarm timer.
Extract air
filter
Supply air
filter
Figure 12. Pull out the plug.
Figure 13. Opening of unit door.
Figure 10. The information symbol indicates alarm B.
Figure 11. Showing and resetting of filter alarm.
3. Pull out the supply air and exhaust air filters (see figure 14). Dispose
of used filters according to local waste regulations.
2. Open the unit by unscrewing the screws on the unit door.
4. Insert new filters.
5. Reinstall the filter hatch.
6. Connect the plug.
7. After replacing the filter, the filter alarm should be reset by pressing
“Acknowledge” (see figure 11).
If a filter is replaced before the alarm is due, the filter alarm timer
must be reset. To do this, press “Reset filter alarm” in the “Settings”
menu.
FILTER ALARM AND FILTER REPLACEMENT
The supply air and exhaust air filters should normally be replaced
every six months. In dirty areas, the filters may need to be replaced
more frequently.
A built-in timer is normally set to provide a filter replacement reminder
every six months. When replacing dirty filters, use of a face mask is
recommended (lowest class, FFP2).
To replace the filter, follow the steps below.
1. Disconnect the unit from the power supply.
