14
www.blaubergventilatoren.de
FRESHBOX E120
TECHNICAL MAINTENANCE
Regular technical supervision and maintenance of the unit are required to
ensure the product long service life and non-stop operation.
Disconnect the unit from power mains prior to any maintenance
operations.
Warning! Consider the unit sharp edges! Fulfi l maintenance
operations in work gloves!
QF
!
WARNING!
Cut power supply to the unit off by turning the automatic electric switch QF to OFF position prior to any
maintenance operations.
Take steps to prevent re-activation of the automatic switch.
Fulfi l the unit maintenance 3-4 times per year.
The unit technical maintenance includes regular cleaning and other works:
1. Filter maintenance (3-4 times per year).
Dirty fi lters increase air resistance and decrease supply air. Clean the fi lter
with a vacuum cleaner or fl ush it with water. After two consecutive cleanings
the fi lter must be replaced. Install dry fi lters only! Contact a local distributor
for the fi lters stated above in the section «Technical data».
Dirty fi lters are not considered as a warranty case! Replace
immediately humid and mouldy fi lters!
Filter removing as follows:
Make sure the unit is disconnected from power mains.
QF
Open the unit panel.
Remove the supply fi lter located above the heat exchanger.
Pull the band to remove the heat exchanger from the unit.
Remove the extract fi lter.
Perform the actions in the reverse order after fi lter maintenance.
2. Heat exchanger maintenance (once per year).
The heat exchanger must be regularly cleaned to maintain high heat
recovery effi
ciency even in case of the regular fi lter cleaning. Clean it with warm
detergent solution. Remove the heat exchanger from the unit and fl ush 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