SAVE VSR 300 500 USER MANUALSE DE FI V01 1 12 0

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Maintenance GB
4. Insert the new filters. Make sure that the correct filter types are inserted. See note above.
5. Replace and lock the side cover and connect the unit to mains.
6. Reset the filter time. See chapter 4.3.1.
4.3.1 Resetting the Filter Change Time
Once filter is changed, it is necessary to reset filter time. Go to Filter menu
(see 3.1 Home Screen And Menu, page 6, pos. E) or if filter alarm is present,
click on alarm status line (see 3.1 Home Screen And Menu, page 6, 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.
Note:
The menu is locked by default. Enter a password (default
password is 1111).
4.4 Check and Clean a Heat Exchanger
Warning
• Beware of sharp edges during mounting and maintenance. Use protective gloves.
Even if the required maintenance is carried out, dust will build up in the exchanger block. It is therefore of vital impor-
tance for the upkeep of a high efficiency that the exchanger block is removed from the unit and cleaned periodically as
described below. Clean the heat exchanger at least every 3 years or when required.
1. Stop the unit by disconnecting the mains.
2. Open and remove the side cover. See figure 4.2.
3. Disconnect the rotor power supply and the rotor sensor.
Both cables are found beside the rotor.
4. Loosen mounting screws at the bottom (1).
Note:
In VSR 500 unit the mounting screws are
located at the top.
5. Pull out the rotor towards you. Some force may be
needed.
6. Clean the rotor.
Wash in hot soapy water. Do not use detergent con-
taining ammonia. Rinse using, for instance, a shower
handle or carefully with compressed air.
Warning
Ensure the rotor motor is not exposed to
moisture
7. Remount the rotor. Don’t forget to reconnect the rotor
power and sensor cables.
8. Replace and lock the side cover and connect the unit to
mains.
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