Flexit Nordic CL3 - 5. Maintenance table

15
NORDIC CL3
5. Maintenance table
Component Action Interval
Filter Filters must be changed at least once a year. It is best to do this twice a year, before and after
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6-12 months
Fans The fan in a unit connected to a kitchen hood should be inspected once a year.
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The fans should be cleaned as needed.
12 months
3 years
Recovery
system
Check that the surfaces are clean. Check that the sealing strips face in towards the rotary wheel-type
heat exchanger.
Check that the rotor belt is intact and not too slack.
3 years
Kitchen fan For a unit with exhaust from a kitchen fan connected:
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2 weeks
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12 months
Valves The supply air and extract air valves (for the bathroom, bedroom, laundry room, etc.) must be
cleaned at least once a year.
12 months
Air intake Check that no leaves or other items have caught in the grille.
The air intake can freeze up in winter and should be checked regularly (daily if necessary).
If necessary, it must be scraped clean so that the air can pass through.
12 months
Roof cowl If the unit has a roof cowl, this must be checked for leaves and the like. Also check that the drain
slots are open.
12 months
Ducts Check that the ducts are clean. 10 years
Brush strips Check that the brush strips are intact and sit tightly against the rotor. If they are worn, they can be
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3 years
Inside unit A combination of a very low outside temperature and damp extract air can lead to the formation of
ice. Normally this will not be a problem – when normal operating conditions return the ice crystals
will be converted to steam and removed from the unit via the exhaust air. In the case of extreme
cold over extended periods the unit should be checked for ice.