Air Heating unit ACJB - Technical manual
5
FläktGroup DC_9170GB_20190117_R2
We reserve the right to make changes without prior notice
MAINTENANCE, FILTER REPLACEMENT
Figure 5. Location of filters in unit.
MAINTENANCE
Wipe the unit’s casing clean with a cloth. Do not use solvents.
The filter should normally be replaced every 6 months, but sometimes
more frequent replacement is needed.
A timer is set at six months, and the alarm light on the control panel
flashes when it is time to replace the filter.
To replace the filter, follow the steps below.
1. Switch off the unit with the power switch.
2. Open the filter hatch by turning the knobs.
3. Pull out the filters, see figure 5.
4. Insert new filters.
5. Close the filter hatch.
6. Start the unit.
7. Reset the filter alarm by pressing (*) for at least 10 seconds,
see figure 4.
Figure 4.
Resetting of filter
alarm
Alarm light
!
Fine filter
Power switch
Coarse filter
REPLACEMENT OF FILTERS