Bryant HEAT RECOVERY VENTILATOR HRVBB Troubleshooting Guide download pdf (Page 25)

Dirty ﬁlters can reduce ventilation efﬁciency, result in

unbalanced airﬂows and even cause the unit to shut down if it is

equipped with an airﬂow switch. Filters not designed to operate

with your HRV can add resistance to the airﬂow and may impair

the unit’s operation.

When cleaning the ﬁlters, vacuum or clean any interior surfaces

adjacent to the ﬁlters. As well, if your unit has an electric

preheater element, carefully vacuum the element’s surfaces.

If the HRV uses the furnace ductwork to distribute fresh air to

the home, maintain the furnace ﬁlter and fan more frequently.

FIGURE 5

Example of location of ﬁlters in an HRV

Screen

INTERIOR

OF THE

HOME

OUTDOORS

Stale air

from

house

Fresh air

house

Filter

(Note: Other types of ﬁlters are used in some HRVs, and their locations may vary.)

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Bryant HEAT RECOVERY VENTILATOR HRVBB Troubleshooting Guide Page 25