#970 HEAT DUCT KIT
17
4.3 Attach Heat Duct to Fireplace
1. Bend the tabs on fireplace top up. With circulation holes
facing down, use (3) screws to fasten the tabs to the duct
collar.
2. Secure the flexible pipe to the duct collar. Verify screws
penetrate both the flexible pipe and the duct collar.
3. Do not cover circulation holes on the duct pipe.
4. Position the fireplace in the desired location.
4.4 Install Register Mounting
Frame and Junction Box
1. The register mounting frame and the fan housing are
designed to fit between 2” x 4” stud walls, 16 in (406mm) on
center. Additional framing is required if larger opening exists.
2. Locate and mark the position of the register.
3. Insert the register mounting bracket into the 16 in (406 mm)
opening.
4. Level and adjust the mounting bracket. The sides of the
bracket should be flush with the front of the framing studs,
and the front of the bracket should protrude ½ in from the
studs to allow for ½” sheetrock installation.
5. Secure the mounting bracket to framing with the provided (4)
sheetrock screws.
6. Install the junction box on the wall at desired location. The
junction box is used to house the speed control assembly,
which controls fan speed and operation.
4.5 Install and Wire Fan Assembly
1. Attach, but do not tighten, flange nuts to the mounting studs
on the back of the register mounting bracket.
2. Align (3) slots on the fan assembly to studs, then slide the
fan into position. Tighten the flange nuts to secure.
3. Slide the included fan wire connectors into the fan terminals.
4. Properly wire the 110 VAC wire to the hot and neutral fan
wires, and the speed control wires, with provided wire nuts.
5. Run 110 VAC to fan speed control, then from the fan
speed control through the romex connector (on the register
bracket).
6. Secure grounding wire to the grounding screw installed in
register mounting bracket.
Fan must be properly grounded.
Figure 4.2
BLACK
BLACK
WHITE
OR
BLACK
WHITE
OR
BLACK
SPEED
CONTROL
WHITE
GROUND
GROUNDING SCREW
ROMEX CONNECTOR
BLACK
WHITE
Grounding
Screw
Figure 4.4
Figure 4.5
Figure 4.3