TECHNICAL MAINTENANCE
BEFORE MOUNTING MAKE SURE THE CASING DOES NOT CONTAIN ANY FOREIGN
OBJECTS (E.G. FOIL, PAPER).
The unit must undergo technical maintenance 3 to 4 times a year. Maintenance includes general cleaning of the unit and the following
operations:
1. Filter maintenance (3-4 times per year).
Clogged filters increase air resistance in the system and reduce supply air volume. Clean the filters as required, but not less than 3-4 times
per year. Clean the filter with a vacuum cleaner or replace with a new filter. For new filters, contact the Seller.
2. Heat exchanger maintenance (once a year).
Some dust may accumulate on the heat exchanger even in case of regular maintenance of the filters. To maintain the high heat recovery
efficiency, regular cleaning is required. To clean the heat exchanger pull it out of the air handling unit, clean it with compressed air or a
vacuum cleaner. After that install the heat exchanger back into the unit. To remove the filters and the heat exchanger, follow the steps
as shown on the right.
3. Fan maintenance (once a year).
Even in case of regular maintenance of the filters and the heat exchanger, some dust may
accumulate inside the fans and reduce the fan performance and supply air flow volume.
To clean the fan use a soft cloth, brush or compressed air.
Do not use water, aggressive solvents or sharp objects as they may damage the impeller.
4. Technical maintenance of the condensate drainage system (four times a year).
The condensate drainage (drain line) may get clogged by particles contained in the
exhaust air. Pour some water inside the drain pan to check the pipe for clogging. Clean
the U-trap and the drain pipe if required.
5. Technical maintenance of air intake devices (twice per year).
The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery. Check the
supply grille twice per year and clean it as required.
6. Technical maintenance of air duct system (every 5 years).
Even regular fulfilling of all the stated above maintenance operations described above may not completely prevent dirt accumulation in
the air ducts which reduces the unit capacity. Duct maintenance consists in regular cleaning or replacement.
7. Control unit maintenance (if necessary).
The control unit is positioned inside the unit casing. To access the control unit, remove the fixing screws on the panel and remove the
control unit lid.
Access to the control unit:
1
2
3
www.blaubergventilatoren.de
KOMFOrt EC S(1/2)(B)(-E)
17
