Dust Free DFHPA Handbuch für Installation und Betrieb - Seite 6
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BYPASS HEPA / BYPASS HEPA PLUS INSTALLATION & OPERATION MANUAL
®
RETURN AIR DIRECT PLENUM MOUNTING INSTALLATION
Installing directly onto the return air plenum
of the forced air heating/cooling system
is the designed installation method. This
install eliminates the need to duct the unit
to the plenum system externally. See fig.2.
Install the return side connections after
the last branch on the return air plenum
and minimum two linear ft distance from
the furnace. Supplied with the unit is a 5-ft
power cord. If there is not a 120VAC outlet,
there will need to be one installed.
Note: The unit does not replace the filter
from the forced air heating/cooling system.
Regular maintenance of this filter is
necessary to permit the proper operation of
the forced air heating/cooling system.
WARNING
Electric Shock Hazard.
Can cause injury or death.
Electrical wiring of the unit to the
HVAC system should be done by a
licensed HVAC technician or
electrical installer.
WARNING
UV Light Hazard.
Can cause serious eye and skin
damage.
Do not look at UV-C light. Wear UV-C
eye and skin protection
NOTICE
Qualified Technicians Only.
This device is for residential
applications only and must be
installed in compliance with all
national and local electrical and
mechanical codes. Failure to do so
will void Dust Free® Warranty.
Fig. 2 Return air installation diagram.
1. Find a location that satisfies both service
and maintenance requirements.
2. Tape template to return air plenum. Cut
opening with metal shears, predrill for
the securing screws and remove the
template.
3. Remove the door and filters and proceed
to cut the rectangle precut metal tabs
on the back of the unit and remove
insulation.
4. Before mounting to plenum or ductwork,
use included 1/2" gasket sealing tape to
line the 16" x 4" cut-outs on the back of
the unit.
5. Align the unit into place and then fasten
the mounting bracket to the return air
plenum.
6. Filters may be shipped in clear plastic
wrapping. If present, remove the
protective wrapping prior to turning the
system on. When installing the filters,
match the direction of filter flow to the
direction of air flow directed on the fan
housing.
7. Place the access door back on the unit.
Insert the power cord into the receptacle
on the unit and plug into the wall outlet.