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7
fantech
DOOR SWITCH
MODE SELECTOR
• II (280 CFM)
• I (208 CFM)
OPERATIONS
Maximum Filtration
(280 cfm)
Normal Filtration
(208 cfm)
FUNCTION
The Whole House HEPA system is comprised of
a ventilator, speed selection switch,
3 stages of ltration and the cabinet enclosure
system. The ventilator pulls air through the
pre-lter and then threw the impregnated carbon
pad for odor control and nally the last stage
of ltration is the HEPA lter which removes
99.97% of particles 0.3µm in size.
OPERATION MODE OPTIONS
The unit features two speeds of operation for
your convenience. The speed selection switch
is located on the front of the motor assembly.
At lowest speed the unit will provide 208 CFM
of clean air while at highest speed, the unit will
provide 280 CFM of clean air. It is recommended
that the unit be operated on highest speed
at all times to maximize the benets of the
HEPA ltration system. If for some reason the
ltration needs are not
as important then one
might operate the unit at
low speed.
An access door is
provided at the front
of the unit to permit
access to the lters and
speed selection switch. Opening the latch on the
right side of the unit will permit the door to swing
open. A safety door interlock switch cuts the
power to the motors for your safety. If needed
the door can be removed from the cabinet hinges
by holding the top part of the door with one hand
and gently taping on the bottom edge of the door
with the other hand to release the door from its
hinges.
RECOMMENDED OPERATION
The return plenum mount model operates
in conjunction with your forced air heating/
cooling system. A forced air distribution system
continuously circulates the same air inside your
home. The whole house HEPA ltration system
operates on the principal of bypass ltration,
which means that a portion of the air being
returned into the furnace is ltered on each
pass. Over time all the air in the home gets
cleaned. It is recommended that the furnace
blower be in operation whenever the ltration
system is in operation.
For stand-alone attic installation, the HEPA
ltration system must be operated continuously
whenever a part of all the system is located in an
unconditionned space to avoid condensation in
the ductwork below freezing (32°F ,0°C)
Maintenance of the unit should be performed at
regular interval to keep the benets of the HEPA
ltration unit.
MAKE SURE TO INSTALL FILTER ACCORDING TO AIR
FLOW DIRECTION FOR MAXIMUM PERFORMANCE
Check for this symbol on each lters and it is located
on the unit’s motor plate.
Remove protective plastic covers
from all lters and replace them
in their proper location
(Stage 1, 2 and 3).
Replace door and insert power
cord into the receptacle of the
lter units and the other end into
wall outlet.
Stage 1: Pre-Filter
Stage 2: Carbon Filter
Stage 3: HEPA Filter
STEP BY STEP INSTALLATION
Steps involved in the preparation of the plenum mount system are as followed:
Step 4
Finishing
Installation Step by Step (cont.)
General Operating Information
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