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2.0 Installation
2.1 Duct Installation
NOTE: The fan assembly can be installed on the wall, mini-
mum 4" (102mm) from the floor or the ceiling. It can also
be installed on the ceiling.
The outer shell of your fireplace will have cover plate
(s) for use with heat transfer kits. Reference the fire-
place manual for the location of your heat transfer kit
cover plates. See Figure 2.1
Remove screws securing cover plate(s) on the outer
shell of the fireplace.
Remove the damper from the heat transfer kit air
chute by pushing the metal tab through the hole and
pulling the damper out of the air chute. See Figure 2.2
and your air chute may look different than the one
shown.
NOTE: Air chutes for models: #ABY, #Z42, and #Z42-CD do
not have a damper.
NOTE: Model #CLW-ST - There are (2) openings on the HTK
-CWST air chute that allow for installing one or two of the
same heat transfer kit. If installing (1) kit then remove only
(1) cover plate to install the 6" collar. If installing (2) kits
then remove the (2) cover plates to install (2) 6" collars.
Figure 2.1, Clearance to Sprinkler
HTK-INT
Figure 2.2, Damper Removal
9
4.
Attach the HTK air chute to the fireplace as per instructions
included with HTK air chute.
5.
Use the nailing flanges attached to the air discharge box to
secure it to the framing opening at the descired location
for air discharge.
6.
Attach and secure the 3.25" x 10" x 6" boot to the top of
the air discharge box using sheet metal screws.
7.
Cut the insulated flexible duct to necessary length.
8.
Place the band clamp over the HTK air chute collar. Screw
the inner liner of the flexible duct to the collar with (3)
sheet metal screws. See Figure 2.3
9.
Use the band clamp to secure the outer flexible pipe insu-
lation to the inner pipe and collar. See Figure 2.4
10. Repeat Steps 7 & 8 to attach and secure the flexible pipe to
the duct boot on the air discharge box.
NOTE: If you choose to attach the air discharge box to a wall
stack with S cleats, your installation steps may vary. A right
angle boot may be needed instead of the provided straight
boot. Attach the insulated flexible pipe from the HTK air chute
to the boot on the wall stack that would connect to the air dis-
charge box.
Rev. 14 — April 2024
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