Nagas ABE Series, Installation, Operation And Maintenance Manual

Page: 42 / 45

42 of 45
Installation, operation, and maintenance manual-ABE Rev 1_2023
WARNING!
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NEVER OPERATE THE MACHINE WITHOUT FILTERS


Use only filters recommended by the UL 900 approved manufacturer. Poor filter quality could affect
the warranty of the unit.
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
Use only filters with a minimum efficiency equivalent to MERV-8 upstream of the recovery blocks in
the outdoor air and return air ducts.


Make sure that the filters are supported on all four sides and cannot be sucked towards the
exchanger dampers. This could damage the unit and affect the warranty.