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www.blaubergventilatoren.de
KOMFORT Ultra D105-A
2. Heat exchanger maintenance (once per year).
The heat exchanger must be regularly cleaned to maintain high heat
exchanger efficiency even in case of the regular filter cleaning.
Clean it with warm detergent solution. Remove the heat exchanger from the
unit and flush it with warm detergent solution. Install the dry heat exchanger
back to the unit.
To remove the heat exchanger:
Make sure the unit is disconnected from power mains.
QF
Remove the drain pipe.
Lift the four latches and open the service panel.
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Turn the retaining support to loosen and remove the heat exchanger.
Clean the heat exchanger with warm detergent solution. Re-install the clean
and dry heat exchanger back to the unit.
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3. Fan maintenance (once per year).
The regular filter cleaning may not completely prevent the dust ingress into
the unit, which results in the unit capacity decrease.
Clean the fan with a soft cloth or a brush. Cleaning with water, abrasive
detergents, sharp object or chemicals is not allowed.
4. Condensate drain system maintenance (once per year).
Extract air particles may accumulate in the condensate drain system and
cause its clogging. Pour a drain pan under the unit with water to check free
water flow. Clean a U-trap and the drain system if required.
5. Supply air flow control (twice per year).
Check the supply grille and remove foreign objects to maintain free air intake.
6. Air ducts maintenance (once in 5 years).
The regular unit maintenance in compliance with the above rules may not
completely prevent dust ingress into the air ducts which may result in air
flow decrease. The air duct maintenance consist in periodical cleaning or
replacement.
7. Exhaust grilles and intake diffuser maintenance (as required).
Remove the exhaust grille and the intake diffuser and flush those with warm
detergent solution.
Check the ductworks thread connections periodically.
