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4.9.
Filter replacment
It is recommended to change the filters used in the Cube units at least twice a year or in case of serious air pollution – more
frequent. Filters are secured against pressure drop with differential pressure switch. In case of excessive pressure drop, an alarm
message on controller is displayed suggesting filter change. Before first launch please check, if filters are installed properly and
there are no alarm messages. When message suggests filter change, but in fact they do not need to be changed, please check
pressure loss parameter on pressure switch, which is situated inside center post or electric post. To change filters please remove
side panel and pull out filter cases. Please contact the manufacturer to purchase additional filters.
Cube 20
Cube 40
Cube 50/60
