- Vermont Castings Direct Vent Homeowner's Manual 33XDV, 36XDV, 39XDV
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XDV Direct Vent Gas Fireplace
Top Vent Application
Restrictor Plate
When the 33XDV or 36XDV models are installed as top
vent fireplaces with a minimum 12” (305 mm) rise, the
restrictor plate must be installed to give better flame
appearance.
This restrictor plate is shipped with the 33/36XDV and is
located below the access control panel.
33XDV Restrictor Plate Installation
1. Remove rear log bracket located behind the burner
panel.
2. Install the restrictor plate with the rear log using ex-
isting mounting holes and pre-attached screws from
the rear log bracket. (Fig. 15)
3
. Install rear log bracket assembly by reversing Step 1.
4. Install log set, ember materials, lava rock. Refer to
log set installation section.
36XDV Restrictor Plate Installation
1. Remover rear log bracket located behind the burner
panel.
2. Replace the deflector rear log bracket with the
restrictor plate to the rear log bracket using existing
mounting holes and screws. (Fig. 16) Discard deflec-
tor.
3. Install rear log bracket assembly by reversing Step 1.
4. Install log set, ember materials, lava rock. Refer to
log set installation section.
Rear Log Bracket
Restrictor Plate
FP1729
Fig. 15 33XDV restrictor plate installation.
Your fireplace is approved to be vented either through
the side wall, or vertically through the roof.
• Only CFM Corporation venting components specifi-
cally approved and labelled for this fireplace may be
used.
• If vent termination is installed in an accessible loca-
tion, Vent Termination Guard #53525 shall be in-
stalled.
• Vent terminations shall not be recessed into a wall or
siding.
• Horizontal venting which incorporates the twist lock
pipe must be installed on a level plane without an
inclining or declining slope.
• Horizontal venting which incorporates the use of flex
venting shall have an inclining slope from the unit of
1/2” (13 mm) per 12” (305 mm).
General Venting
There must not be any obstruction such as bushes,
garden sheds, fences, decks or utility buildings within
24” (610 mm) from the front of the termination hood.
Do not locate termination hood where excessive snow
or ice build up may occur. Be sure to check vent termi-
nation area after snow falls, and clear to prevent ac-
cidental blockage of venting system. When using snow
blowers, make sure snow is not directed towards vent
termination area.
Location of Vent Termination
It is imperative the vent termination be located observ-
ing the minimum clearances as shown on the next
page.
*Check with local codes or in absence of same with
CSA B149.1 Installation Codes (1991) for Canada
or follow the current National Fuel Gas Code, ANSI
Z223.1/NFPA 54 for installations in the USA.
Rear Log Bracket
Restrictor Plate
FP1730
Fig. 16 36XDV restrictor plate installation.
Remove
and Discard
Deflector