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4
MAINTENANCE
Maintaining Return Filters and HRV/ERV Core
4.1
Regular maintenance of your filters and core will
ensure their effective operation and longevity.
The Return Air Filter
4.1.1
The return air filter (located against the coil in the
lower section of the fan coil) is a disposable filter that
should be checked every three months and replaced
as needed (typically 6 or 12 months). This filter can
be replaced with any standard 10x20x1” filter of the
same efficiency (MERV 4-6). To access the return air
filter:
1) Remove the outer finish panel by pulling toward
you from the bottom.
2) Remove the lower cover by lifting and tilting the
top outward.
3) Place the new filter in the filter brackets on the coil
plate with the wire mesh toward the coil.
The HRV/ERV Filters
4.1.2
Remove the finished panels (bottom and top) and
inner covers (2).
Slide the HRV filters along their guides toward you
and remove.
Vacuum the HRV filters and replace them (as
needed).
Repeat every 90 days.
The HRV Core (polypropylene media)
4.1.3
Remove the finish and access panels as described previously
Slide the HRV core toward you along its guides.
Vacuum or wash the core. If washing the core, let dry before replacing.
Repeat every 6 to 12 months.
The ERV Core (polymer media)
4.1.4
Remove the energy exchange core as you would an HRV core.
Nu-Air polymer cores can be washed or vacuumed
Repeat every 6 to 12 months.
RA Filter
Rack
HRV
Filters (2)
Core
Summary of Contents for Enerboss 400C Series
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