Maintenance of the unit |
11
The factory installed filters are of filter quality F7 for the supply air and G3 for the extract air filter. The filters need to be
replaced when polluted. New sets of filters can be acquired from your installer or wholesaler.
Filter quality G3 can be installed for supply air filtering.
The filter type is labelled on the top of the filter.
1. Stop the unit by disconnecting the mains.
2. Open the front hatch. See chapter 6.2.
3. Pull out the filters towards you. Some force may be needed.
4. Insert the new filters. Make sure that the correct filter types are inserted.
5. Close and lock the front hatch and connect the unit to mains.
6. Reset the filter time. See chapter 6.4.
6.4 Resetting the filter time
Once filter is changed, it is necessary to reset filter time. Go to Filter menu (see 5.4 Menu overview, page 4, pos. E)
or if filter alarm is present, click on alarm status line (see 5.5 Home screen, page 5, pos. 5) and select filter alarm. Select
CHANGE FILTER, in the pop up menu define a new filter period and press OK to confirm selection.
Filter time is now reset.
6.5 Checking and cleaning the heat exchanger
Danger
Make sure that the Mains supply to the unit is disconnected before performing any maintenance or
electrical work!
Warning
Risk of personal injury! The heat exchanger weighs about 14 kg. There is a risk that the heat exchanger falls
out of the unit.
Make sure that small children are not beneath the unit when the heat exchanger is removed!
211476 | A001
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