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#970 HEAT DUCT KIT
4.6 Run and Secure Duct Pipe
4.6.1 Oval Duct Pipe
1. Run the oval and round duct pipe to the register location.
2. Shape the 6 in (152 mm) round duct pipe to fit outside the
oval duct pipe. Secure with the screws provided.
3. Slide the oval duct pipe over the oval collar on the register
mounting bracket. Secure with the sheet metal screws
provided.
4. OPTIONAL: Secure duct pipe with any additional screws
provided.
4.6.2 Round Duct Pipe
1. Run the round duct pipe to the register location.
2. Shape the 6 in (152 mm) round duct pipe so it will fit outside
the oval collar on the register mounting bracket.
3. Slide the round duct pipe until it touches the register
mounting bracket.
4. Position the locking strap around the 6 in (152 mm) duct
pipe, above the crimped metal.
5. Pull the locking strap tight enough to firmly secure the duct
pipe.
4.7 Complete the Installation
1. Install sheetrock or wall finish material as desired before
attaching the register cover and fan housing cover plate.
2. Position the cut-out portion of the fan housing cover plate
over the fan chute to allow air flow. Align the holes in the
fan housing cover plate to the corresponding holes in the
register mounting plate and fan assembly. Secure with (4)
screws provided.
3. Slide the speed control through the mounting bracket.
Secure with the mounting nut.
4. Secure mounting bracket to the junction box with the (2)
screws provided.
5. Center the register cover over the fan housing cover plate to
install. Secure register cover to stud wall with the provided
mounting screws.
6. Attach a cover plate (not provided), then install the control
knob for the speed control.
7. Complete the fireplace installation by following the
instructions included with the fireplace.
4.8 Operating Instructions
1. After complete fireplace installation and subsequent initial
burn period, turn the fireplace burner ON by following the
lighting instructions included with the fireplace.
2. Allow the fireplace to produce heat for approximately 15
minutes.
3. To operate the heat duct fan, turn the wall-mounted speed
control clockwise until it stops. The fan should turn on
and be operating at its highest speed. Adjust the speed
to desired air flow level by turning the speed control knob
counter-clockwise until it ‘clicks’ off.
4.9 Maintenance
• The duct register must be kept clear and unobstructed. Clean
and vacuum as necessary to remove dust, lint, etc. from fan
which will inhibit air flow.
• Detach the register cover and the fan housing cover plate at
least once a year to remove dust, lint, etc. from the fan. More
frequent cleaning may be necessary.
• The fireplace must be maintained and serviced as outlined in
the unit installation and operating instructions.
Figure 4.7
Figure 4.6
