Vermont Castings Winter warm 2100 Installation And Operating Manual page 33

Fireplace insert or system
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The outside air duct's inlet must be lower than the
primary air inlet of the firebox, to prevent air infiltration.
The air inlet must be covered by a wire mesh screen
with openings not larger than 1/4" x 1/4" (6 x 6mm) to
prevent rodents entering from the outside.
a. With the WinterWarm fire chamber on its shipping
pallet in front of either the fireplace or the installed
Fireplace System Cabinet, remove the four (4) screws
holding the outside air cover plate to the left side of the
WinterWarm shroud. You may discard the cover plate,
but save the four screws.
b. (Fireplace System only) Remove from the cabinet
the cover plates over the air supply port you will be us-
ing; leave the other port sealed.
There is an inner and an outer plate for each port, each
held in place by four sheet metal screws. The rear port
is located on the lower left section of the cabinet's rear
panel, while the side port is on the left panel of the cabi-
net. Cut the insulation out of the uncovered hole with a
sharp utility knife. You may discard the plates, but save
the screws.
c. The outside air duct is shipped with a cover plate
over its access port for side venting. If your installation
will be side venting, remove the cover plate from the
side of the air duct and re-fasten it over the rear-venting
access port. (Fig. 50)
Flange
3" (75mm) Air
Tube
Fig. 50 The outside air duct box may be vented to the rear,
as shown here, or from the side.
KT227
d. Position the Outside Air Duct against the left side of
Outside Air Duct
the shroud so that its control rod extends to the front.
5/21/01 djt
The rod must be passed throught the latticework panel
when you install the front. (Refer to Page 32, Step 7)
2000941
Air Box
Side-vent Cover Plate
KT227
WinterWarm Fireplace Insert or System
e. Loosely fasten the air duct to the shroud with two
screws (one upper front and one lower rear). Place a
level on the Outside Air Duct and level it before tighten-
ing these two screws.
f. Mark on the shroud the locations where you will drill
the four remaining holes to fasten the Outside Air Duct
(two upper and two lower holes). Remove the duct
from the shroud and drill holes in the shroud with a
1/8" (3 mm) drill bit. Install the Outside Air Duct on the
shroud using a total of eight screws. Check the level of
the Duct once more before tightening the screws.
5. Move the Fire Chamber all but a few inches into
its installed position.
FIREPLACE SYSTEM ONLY:
Push the Fire Chamber into the cabinet, leaving about
2"-3" (51 - 76mm) between the upper shroud flange and
the front face of the cabinet. Remove the pallet.
6. Connect the Outside Air Duct to the Air Box.
FIREPLACE SYSTEM ONLY:
After final installation of the WinterWarm into the cabi-
net, slide the outside air duct into the 4" (102mm) diam-
eter access port either in the rear or on the side of the
cabinet (depending on your preferred location for the
outside air delivery system), orienting the duct parallel
to the floor. (Fig. 51) Continue to insert the duct until its
crimped end plugs into the corresponding port in either
the rear or the side of the air box. Attach the air duct
flange to either the rear or the side of the cabinet with
the four remaining screws.
Complete the outside air adapter installation by secur-
ing the flange to the pipe. Drill 1/8" (3mm) holes in the
pipe through at least two of the four flange holes and
secure with sheet metal screws.
KT228
Fig. 51 The final connection of the outside air duct to the air
box is made once the fire chamber is in its final position.
KT228
top view
outside air adapter
5/22/01 djt
Flue Collar
Shroud
Air Box
Air Tube
Flange
33

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