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MOUNTING FAN HOUSING
NEW CONSTRUCTION
Using Hanger Bars
Refer to Figure 1.
1. Insert hanger bars in slots provided in housing.
2. Locate fan housing between joists so that bottom of heater
housing is even with the planned finished ceiling.
3. Use screws or nails (not provided) to secure hanger bars
to ceiling joists.
Using Side Mounting Tabs
1. Locate fan housing next to ceiling joist.
2. Use wood screws (not provided) through keyhole slots in
mounting tabs to loosely attach housing to ceiling joist.
3. Adjust housing so that it will be flush with the finished
ceiling. When housing is properly adjusted, tighten screw
in slots to secure housing.
EXISTING CONSTRUCTION
1. Determine desired location for ventilator.
2. Drill a small hole through the ceiling at the desired location
and stick a coat hanger or stiff wire through hole into attic
to help find the location from above.
3. Check the area above to make sure that wiring can be
installed and that the installation will not interfere with
existing electrical wiring.
4. From above, place the housing between ceiling joists at
the desired location. Using the housing as a template,
mark the area to be cut out along the bottom flange of the
h o u s i n g .
5. After making the cutout, install the housing in the opening
using the hanger bars or mounting tabs as described
above. Make sure that the bottom of the housing is flush
with the bottom of the finished ceiling.
W I R I N G
All wiring must comply with local and national codes and
unit must be properly grounded.
1. Run 120vAC, 60Hz supply wiring to the wall switch (not
provided).
2. Run wiring from the switch to the housing junction box.
Loosen screw holding exterior wiring compartment cover
and remove cover. Interior wiring compartment cover may
be necessary by loosening screw in keyhole slot in cover.
Remove knockout(s) as required and install approved box
c o n n e c t o r .
3. Refer to fig. 2. Connect white wires in junction box to
white (neutral) supply wire. Connect the blue wire in the
junction box to the supply wire from the vent switch.
Connect the black wire in the junction box to the supply
wire from the light switch. Connect green ground wire in
junction box to the supply ground.
4. Replace wiring compartment cover and tighten screw to
secure.
Insert vent motor plug in vent receptacle.
FIGURE 3
LIGHT SOCKET
REFLECTOR
REFLECTOR
MOUNTING
SCREW
FIGURE 2
D U C T I N G
1. Snap plastic duct adapter and damper assembly over
flanged opening on housing. Connect 4" round duct to the
duct adapter and secure with duct tape. The duct should
be run to the outside of the structure through the roof or
wall cap. For maximum performance keep duct runs as
short and as straight as possible.
VS-86SN
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