Hold the housing so that it is in contact with the bottom of the joist. Attach
the housing with four (4) screws to the joist through the holes in each
mounting flange.
1. MOUNT HOUSING TO JOIST OR I-JOIST.
HANGER
BAR
2. MOUNT WITH HANGER BARS
2a. Sliding hanger bars have been provided, which allow the housing to
be positioned accurately anywhere between the framing. The bars span
up to 24 in. and can be used on all types of framing: I-joist, standard joist,
and truss construction. Slide hanger bars onto housing and adjust as
needed to fit between framing.
PLAN THE INSTALLATION
TYPES OF TYPICAL INSTALLATIONS
1. Do not use in a cooking area.
2. Two ways to connect ductwork to a factory-shipped unit.
ASSEMBLY INSTRUCTIONS
1. Housing mounted to I-joists (Start at “ASSEMBLY INSTRUCTIONS 1”)
2. Housing mounted to joists (Start at “ASSEMBLY INSTRUCTIONS 1” )
3. Housing mounted to truss (Start at step “ASSEMBLY INSTRUCTIONS 2”)
2
OPERATION
7 to 9 feet
7 to 9 feet.
Turn on the switch to activate sensor and continuous ventilation
system. The fan will run continuously at the pre-set low speed.
When motion is detected, the fan speed increases to high speed.
When the person exits the area, the fan remains working at high
speed until the delay time has passed (adjustable 3-30 minutes).
After the time delay, the fan speed is reduced to the continuous
ventilation rate.
ROOF CAP*
(with built-in
damper)
ROUND
DUCT*
WALL CAP*
(with built-in
damper)
*
Purchase
separately
POWER
CABLE*
INSULATION*
(Place around and
over Fan Housing.)
Seal gaps
around
Housing.
FAN
HOUSING
ROUND
ELBOW(S) *
Seal duct
joints with
tape.
Keep duct
runs short
