Bard WA721 User Manual
Page 8
Manual 2100-425
Page 6
FIGURE 2
BLOWER DAMPER ASSEMBLY
MIS-938
FILTERS
A 1 inch throwaway filter is supplied with each unit.
The filter slides into position making it easy to service.
This filter can be serviced from the outside by
removing the service door. A 1 inch washable filter
and 2 inch pleated filter are also available as optional
accessories. The internal filter brackets are adjustable
to accommodate the 2 inch filter by bending down the
tabs to allow spacing for the 2 inch filters.
FRESH AIR INTAKE
All units are built with fresh air inlet slots punched in
the service panel.
If the unit is equipped with the fresh air damper
assembly, the assembly is shipped already attached to
the unit. The damper blade is locked in the closed
position to allow the damper to operate, the maximum
and minium blade position stops must be installed.
See Figure 2.
All capacity, efficiency and cost of operation
information as required for Department of Energy
“Energyguide” Fact Sheets is based upon the fresh air
blank-off plate in place and is recommended for
maximum energy efficiency.
The blank-off plate is available upon request from the
factory and is installed in place of the fresh air damper
shipped with each unit.
CONDENSATE DRAIN
A plastic drain hose extends from the drain pan at the
top of the unit down to the unit base. There are
openings in the unit base for the drain hose to pass
through. In the event the drain hose is connected to a
drain system of some type, it must be an open or
vented type system to assure proper drainage.
BLADE IS LOCKED
CLOSED FOR
SHIPPING