SystemAir 488819, User Manual

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10 | Maintenance of the unit
4.3 To change filters
Fig. 4 Heat exchanger filters
The filters cannot be cleaned and must be changed as necessary. This is nor-
mally done 1–2 times per year depending on the air pollution at the installa-
tion site.
It is very important to change filters regularly for performance and energy ef-
ficiency of the unit.
When it’s time to change the filters an alarm is shown on the control panel
display. When this occurs do the following:
1. Stop the unit by disconnecting the mains.
2. Open and remove the side cover. See chapter 4.2.
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.
See note above.
5. Close and fasten the side cover and connect the unit to mains.
6. Reset the filter time. See chapter 4.3.1.
4.3.1 To reset the filter change time
Once filter is changed, it is necessary to reset filter time. Go to
Filter
menu
(see 3.2.2 Home screen overview , page 4, pos. E) or if filter alarm is present,
click on alarm status line (see 3.2.2 Home screen overview , page 4, 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.
Note:
The menu is locked by default. Enter a password (default
password is 1111).
To reset filter change timer for SAVE LIGHT
• Push and hold and buttons for 3 seconds to reset the filter timer
(filter change LED will turn off).
4.3.2 To select a different filter kit
Standard filters are designed for good outdoor air quality. It is possible to se-
lect and order filter kits for poorer air quality environment.
To change filter kit type
1. Touch
Select different filter kit
button in the alarm menu.
Alternatively, go to
Filter
menu (3.2.2 Home screen overview , page 4,
pos. E).
2. Select filter kit from the list.
3. Touch
OK
button.
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