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Verfügbare Sprachen
Verfügbare Sprachen
GB
Changing the set operation period for filters
Depending on how quickly the filters are being clogged, it might prove necessary to change
the set operation period:
The filters look clean:
Extend the operation period (max. 15 months).
The filters are extremely polluted:
Shorten the operation period (min. 6 months).
Note! If the condition of the filters is so that the operation period needs to be changed, see
separate Installation instruction "Commissioning procedure" Point 5.
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2. Cleaning extract louvers and inlet diffusers (as necessary)
The system supplies fresh air to your home and extracts the used indoor air via the duct
system and diffusers/louvers.
Diffusers and louvers are mounted in ceilings/walls in bedrooms, living room, wet rooms, WC
etc. Remove diffusers and louvers and wash in hot soapy water as required. (Diffusers/
louvers must not be exchanged).
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3. Checking the duct system (every 5 years)
Dust and grease settlements will, even if required maintenance such as changing of filters is
being carried out, build up in the extract and fresh air ducts. This will reduce the efficiency of
the installation.
These duct runs should therefore be cleaned/ changed when necessary. Steel ducts can be
cleaned by pulling a brush, soaked in hot soapy water, through the duct runs. This is done
via diffuser/louvers openings or special inspection hatches in the duct system (if fitted).
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