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INSTALLATION IN A NEW
CONSTRUCTION SITE (
MOUNTING THE HOUSING
NOTE: These ventilators are designed for installation
between 16" O.C. ceiling joists with no framing
necessary. If the building structure has 24" O.C. joists
construction, framing will be required.
1. Position housing between ceiling joists and adjust height to finished
ceiling. Loosen two hex nuts for each mounting bracket from inside the
housing and make the adjustment. Tighten the four hex nuts.
NOTE: There are four additional mounting slots
in the housing for mounting or relocating the
mounting brackets.
2. Refer to Figure 4. Screw housing to joists using holes in mounting
brackets and four screws (included).
3. Install standard 3¼" x 10" ductwork from damper section to outside wall
or through roof and mount appropriate wall or roof cap (not included).
Refer to the instructions provided with the caps.
IMPORTANT: Ensure there are no obstructions at
the discharge of the ventilator. Ensure insulation
does not get into the ductwork or into the blower.
WIRING
NOTE: All wiring connections must comply with
local codes, ordinances and the National Electrical
Code and the ventilator must be properly grounded.
Disconnect power at circuit breaker before making
wire connections.
1. Refer to Figure 5. Loosen screws and remove junction box.
2. Run 120 VAC supply wiring with ground through switch box to knockout
in ventilator housing and secure with box connector.
3. Refer to Figure 6. Connect supply wires to ventilator wires: BLACK
to BLACK, WHITE to WHITE. Connect ground wire to GREEN ground
lead.
4. Reinstall junction box and tighten screws.
5. Connect supply wire to switch.
NOTE: Switch must be purchased separately. Refer
to NuTone's catalog.
POWER UNIT INSTALLATION
1. Refer to Figure 7. The power unit mounts with two hanger rods to
the mounting brackets. Start threading wing nuts (included) onto hanger
rods. Insert the hanger rods through the holes in the mounting bracket
hooking them from the inside to the outside.
2. Position the power unit so that its discharge opening is in line with the
installed ductwork. Hold the power unit in position between the mounting
brackets and swing the hanger rods into the slots on the power unit and
securely tighten the wing nuts.
3. Plug the three wire connectors from the junction box into the wire
receptacle connector from the power unit making sure the plug is
properly aligned.
'
)
CONT
D
3¼"
X
D
AMPER
H
D
M
OUNTING
B
RACKET
BLACK
S
TANDARD
W
ALL
120 VAC, 60 H
H
OUSE
MODELS QT200 • QT300
10"
S
ECTION
ORIZONTAL
ISCHARGE
BJ0004
BH0040
BO0013
GREEN
WHITE
S
WITCH
Z
P
OWER
BE0010
Page 2
V
D
ERTICAL
ISCHARGE
3¼"
10" D
S
X
AMPER
ECTION
F
IGURE
V
ENTILATOR
H
OUSING
F
IGURE
J
UNCTION
B
OX
F
IGURE
S
WITCH
B
OX
F
IGURE
3
4
5
6
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