Illustrated Parts Breakdown and Parts List........ 28
Warranty Information ...........................Back Cover
WARNING: Improper instal-
lation, adjustment, alteration,
service or maintenance can
cause injury or property damage.
Refer to this manual for correct
installation and operational
procedures. For assistance or
additional information consult
a qualified installer, service
agency or the gas supplier.
This appliance is only for use
with the type of gas indicated on
the rating plate. This appliance
is not convertible for use with
other gases, unless a certied
kit is used.
State of Massachusetts: The
installation must be made by a
licensed plumber or gas tter
in the Commonwealth of Mas-
sachusetts.
WARNING: This product
contains and/or generates
chemicals known to the State
of California to cause cancer or
birth defects or other reproductive harm.
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, operate or service this replace.
Improper use of this replace
can cause serious injury or death
from burns, fire, explosion,
electrical shock and carbon
monoxide poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
This vented gas replace is a sealed combustion gas replace designed for residential
applications. This replace must be installed
with DESA vent pipe components and terminations.
Outside airex installation is
required for both horizontal and
vertical installation.
This replace complies with the National Safety Standards and is listed and tested by OMNI
Test Laboratories, Inc. to ANSI Z21.50b-2005
standard as vented gas replace.
This replace must be installed by a qualied
(certied or licensed) service person. It brings
in fresh air for combustion through the outer
pipe and combustion gases are exhausted
through the inner pipe. If the glass door assembly and venting pipe are not properly
seated, connected and sealed, carbon mon-
oxide leakage (spillage) can occur.
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120441-01A2
SAFETY INFORMATION
Continued
Carbon Monoxide Poisoning: Early signs
of carbon monoxide poisoning resemble the
u, with headaches, dizziness or nausea. If
you have these signs, the replace may not
be working properly. Get fresh air at once!
Have replace serviced. Some people are
more affected by carbon monoxide than others. These include pregnant women, people
with heart or lung disease or anemia, those
under the inuence of alcohol and those at
high altitudes.
Natural and Propane/LP Gas: Natural and
propane/LP gas are odorless. An odor-making
agent is added to the gas. The odor helps you
detect a gas leak. However, the odor added to
the gas can fade. Gas may be present even
though no odor exists.
Make certain you read and understand all
warnings. Keep this manual for reference. It
is your guide to safe and proper operation of
this replace.
WARNING: Any change to
this replace or it’s controls can
be dangerous. Do not modify
this replace under any circumstances. Any parts removed for
servicing must be replaced prior
to operating replace.
WARNING: Do not use a blower insert, heat exchanger insert
or other accessory not approved
for use with this replace.
WARNING: This appliance
is only for use with the type of
gas indicated on the rating plate.
This appliance is not convertible
for use with other gases unless
a certied kit is used.
WARNING: Do not allow fans
to blow directly into the replace.
Avoid any drafts that alter burner
ame patterns.
Due to high temperatures, the
appliance should be located out
of trafc and away from furniture
and draperies.
Do not place clothing or other
ammable material on or near
the appliance. Never place any
objects on the appliance.
Do not use this replace to cook
food or burn paper or other ammable material.
This replace reaches high temperatures. Keep children and
adults away from hot surface to
avoid burns or clothing ignition.
Fireplace will remain hot for a
time after shutdown. Allow surface to cool before touching.
Carefully supervise young chil-
dren when they are in the room
with replace.
Keep the area around your
replace clear of combustible
materials, gasoline and other
ammable vapor or liquids. Do
not run replace where these
are used or stored.
1. For propane/LP replace, do not place
propane/LP supply tank(s) inside any
struc tu re. Locate prop an e/ LP supply
tank(s) outdoors. To prevent performance
problems, do not use propane/LP fuel tank
of less than 100 lb. capacity.
2. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not
use any phone in your building
• immediately call your gas supplier from
a neighbor ’s phone. Follow the gas
supplier's instructions
• if you cannot reach you gas supplier, call
the re department.
120441-01A3
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SAFETY INFORMATION
Continued
3. Never install the replace
• in a recreational vehicle
• in windy or drafty areas where curtains
or other combustible (ammable) objects
can make contact with the fireplace
front
• in high trafc areas
4. Turn fireplace off and let cool before
servicing, installing or repairing. Only a
qualied service person should install,
service or repair this replace. Have replace inspected annually by a qualied
service person.
5. You must keep control compartments,
burners and circulating air passages
clean. More frequent cleaning may be
needed due to excessive lint and dust
from carpeting, bedding material, etc.
Turn off the gas valve and pilot light before
cleaning replace.
6. Have venting system inspected annually by
a qualied service person. If needed, have
venting system cleaned or repaired. See
Cleaning and Maintenance, page 23.
7. Do not use any solid fuels (wood, coal,
paper, cardboard, etc.) in this replace.
Use only the gas type indicated on re-
place nameplate.
8. This appliance, when installed, must be
electrically grounded in accordance with
local codes or, in the absence of local
codes, with the National Electrical Code,
ANSI/NFPA 70 or the Canadian Electrical
Code, CSA C22.1.
9. Do not use replace if any part has been
exposed to or under water. Immediately
call a qualied service person to arrange
for replacement of the unit.
10. Do not operate replace if any log is
broken.
11. Do not operate replace with glass door
removed, cracked or broken.
12. Provide adequate clearances around air
openings.
PRODUCT
IDENTIFICATION
Nailing
Flange
Outer
Glass
Door
Aniron
Standard
Brick
Refractories
Center Brick/
Control Cover
Figure 1 - Direct Vent Fireplace
(DVF-36SC Shown)
Flue
Collar
Log Set
LOCAL CODES
Install and use replace with care. Follow all
local codes. In the absence to local codes,
use the current National Fuel Gas Code ANSI
Z223.1/NFPA 54* (USA) or the current CSAB149.1 Installation Code (Canada).
*Available from:
American National Standards Institute, Inc.
National Fire Protection Association, Inc.
1430 Broadway
New York, NY 10018
Batterymarch Park
Quincy, MA 02269
PRODUCT FEATURES
These are a few facts that can help you under-
stand and enjoy your direct vent replace:
• The venting system may be routed to the
outside of your home in several ways. It
may vent through the roof (vertical) or it
may vent to an outside/exterior wall (hori-
zontal). The vent pipe installation is very
important to allow for proper operation.
You must follow the venting instructions
very carefully for either vertical or horizontal
applications.
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120441-01A4
D
RW
PRODUCT FEATURES
Continued
• This replace may be installed in any room
of your house provided all local codes and
these installation instructions are followed.
• Each time you turn on your replace, you
may notice some amount of condensation
on the inside of the replace glass. This
is normal and will disappear after 10-20
minutes of operation.
• Your direct vent gas fireplac e system
(replace and venting) is a balanced and
sealed gas operating unit. It requires ap-
proximately 10-20 minutes of operating
time before the ame pattern stabilizes.
• Models DVF-36S and DVF-36H have a
standard glass inner door. Models DVF36SC and DVF-36HC have the standard
glass inner door with a middle glass door
and outer cool touch glass door.
PREINSTALLATION
LOCATION AND SPACE
REQUIREMENTS
Determine the safest and most efcient location for your direct vent replace. Make sure
that rafters and wall studs are not in the way of
the venting system. Choose a location where
the heat output is not affected by drafts, air
conditioning ducts, windows or doors. Figure
2 shows some common locations. Be aware
of all restrictions and precautions before
deciding the exact location for your replace
and termination cap.
When deciding the location of your replace,
follow these rules:
• Do not connect this replace venting to a
chimney ue serving a separate solid-fuel
burning replace or appliance.
• Due to high temperatures, do not locate this
replace in high trafc areas, windy or drafty
areas or near furniture or draperies.
• Proper clearances must be maintained.
• If your replace is to be installed directly on
carpeting, vinyl tile or any combustible material other than wood, it must be installed on a
metal or wood panel extending the full width
and depth of the replace (see Figure 3).
• Your replace is designed to be used in
zero clearance installations. Wall or framing
material can be placed directly against any
exterior surface on the back, sides or top of
your replace, except where standoff spacers are integrally attached. If standoff spac-
ers are attached to your replace, these
spacers can be placed directly against wall
or framing material. See framing details on
page 6.
• When locating termination cap, it is important to observe the minimum clearances
shown in Figure 7, page 7.
• If recessing into a wall, you can avoid extra
framing by positioning your replace against
an already existing framing member.
• Do not recess termination cap into a wall
or siding.
• You may paint the termination cap with
450º F (232º C) heat-resistant paint to
coordinate with the exterior nish.
• There must not be any obstruction such as
bushes, garden sheds, fences, decks or
utility buildings within 24" from the front of
the termination cap and the front of outside
air vent.
• Do not locate termination cap and outside air
vent where excessive snow or ice build up
may occur. Be sure to clear vent termination
area after snow falls to prevent accidental
blockage of venting system. When using
snow blowers, do not direct snow towards
vent termination area.
26"
Flush with a wall
Through exterior wall
enclosed in a chase
Corner
installation
27 5/8"
43"
Figure 3 - Fireplace Bottom Dimensions
Figure 2 - Common Fireplace Locations
120441-01A5
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PREINSTALLATION
56 3/4"
43 1/4"
33"28"
41 3/8"
82 1/8"
43 1/4"
43"
199/16"
58 1/4"
Nailing
Tabs
C
B
A
D
E
F
G
3
2
1
4
5
6
7
Wall
Continued
CLEARANCES
Minimum clearances to combustibles for the
replace are as follows:
*Back and sides 0"
Perpendicular walls 6"
Floor 0"
Ceiling to louver opening 42"
Front 36"
Top of Standoffs 0"
Vent (See venting instructions
for specic venting clearances.)
Combustible material with a maximum thick-
ness of 5/8" may be ush with the top front
of replace.
* For back and sides of replace, do not pack
with insulation or other materials. 0" clearance to combustible materials are for framing
purpose only.
NOTICE: This replace is intended for use as supplemental heat.
Use this replace along with
your primary heating system.
Do not install this replace as
your primary heat source. If you
have a central heating system,
you may run system’s circulating blower while using replace.
This will help circulate the heat
throughout the house.
Figure 4 - Framing Clearances with
Outside Air Flex Duct
Figure 5 - Framing Clearances for
Corner Installation
FRAMING AND FINISHING
Figure 4 shows typical framing of this replace.
Figure 5 shows framing for corner installation.
All minimum clearances must be met.
If you are using a separate combustible mantel piece, refer to Figure 6 for proper installation height. You can install noncombustible
A = clearance above grade, veranda, porch, deck, or
balcony [*12" (30.5 cm) minimum]
B = clearance to window or door that may be opened
[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US
if between 10,000 and 50,000, 12" (30 cm) in Canada
if between 10,000 and 100,000; 12" (30 cm) in US if
greater than 50,000, 36" (91 cm) in Canada if greater
than 100,000]
C = clearance to permanently closed window
[minimum 12" (30.5 cm) recommended to prevent
condensation on window]
D = vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 24" (61 cm) from
the center-line of the terminal [18" (45.7 cm) minimum]
E = clearance to unventilated soffit [12" (30.5 cm) minimum]
F = clearance to outside corner (see below)
G = clearance to inside corner (see below)
H = *not to be installed above a meter/regulator assembly
within 36" (91.4 cm) horizontally from the center line
of the regulator
I = clearance to service regulator vent outlet [*72" (182.9 cm)
minimum]
J = clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other fireplace
[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US
if between 10,000 and 50,000, 12" (30 cm) in Canada
if between 10,000 and 100,000; 12" (30 cm) in US if
greater than 50,000, 36" (91 cm) in Canada if greater
than 100,000]
K = clearance to a mechanical air supply inlet [*In Canada,
6 ft. (1.83m) minimum; In US 3 ft. (91 cm) above if within
10 ft. (3 m) horizontally]
L = † clearance above paved side-walk or a paved driveway
located on public property [*84" (213.3 cm) minimum]
M = clearance under veranda, porch, deck
[*12" (30.5 cm) minimum ‡]
N = clearance above a roof shall extend a minimum of
24" (61 cm) above the highest point when it passes
through the roof surface and any other obstruction within
a horizontal distance of 18" (45.7 cm)
† vent shall not terminate directly above a side-walk or paved driveway which is located between tw o
single family dwellings and serves both dwellings*
‡ only permitted if veranda, porch, deck or balconey is fully open on a minimum of 2 sides beneath the floor*
* as specified in CAN/CSA B149 (.1 or .2) Installation Codes (1991) for Canada and U.S.A.
Note: Local codes or regulations may require different clearances
A = 6" (15.2 cm)
Inside Corner
V
B
E
V
B = 6" (15.2 cm)
C = Maximum depth of 48" (121.9 cm)
for recessed location
D = Minimum width for back wall of
recessed location Combustible - 38" (965 mm)
Noncombustible - 24" (61 cm)
E = Clearance from corner in
recessed location Combustible - 6" (15.2 cm)
Noncombustible - 2" (5.1 cm)
Termination Clearances for Buildings with Combustible and Noncombustible Exteriors
Openable
LOCATION OF TERMINATION CAP
120441-01A7
Figure 7 - Minimum Clearances for Termination Cap
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VENTING INSTALLATION
NOTICE: Read these instruc-
tions completely before attempting installation.
These models are tested and approved for
use with DESA (direct vent) pipe components
and terminations.
The venting system must terminate on the
outside of the structure and can not be at-
tached to a chimney or ue system serving a
separate solid fuel or gas burning appliance.
A direct vent appliance must have its own
venting system. DO NOT common vent this
appliance.
These models are approved to be vented
either horizontally through an outside wall or
vertically through a roof or chase enclosure
using the following guidelines:
• When venting system terminates horizontally on an outside wall, you may install
a standoff if the termination cap is to be
installed directly on a combustible nish
such as vinyl, wood, stucco, etc.
• Never run the vent downward as this may
cause excessive temperatures which could
cause a re.
• Vent pipe air space clearances to combustibles are 1" on all sides except on the
horizontal sections, which requires 2" clearance from the top of the pipe. Where the
termination cap penetrates a combustible
wall, 1" air space clearance is required.
• Have replace and selected vent compo-
nents on hand to help determine the exact
measurements when elbowing or offsetting.
Always use wall restops when penetrating
walls and restops when penetrating ceil-
ings or attic spaces.
• For installation of replace at elevations of
4000 feet or greater, pay special attention
to venting requirement recommendations.
WARNING: Read all instruc-
tions completely and thoroughly
before attempting installation.
Failure to do so could result in
serious injury, property damage
or loss of life.
NOTICE: Failure to follow these in-
structions will void the warranty.
NOTICE: Do not seal termination
cap to vent pipe. Cap must be
removable for vent inspection
and maintenance.
INSTALLATION PRECAUTIONS
• We ar glo ves an d safe t y gla s ses fo r
protection
• Use extreme caution when using ladders
or when on roof tops
• Be aware of electrical wiring locations in
walls and ceilings
The following actions will void the warranty
on your venting system:
• In s tal lati on of any da mage d ven tin g
component
• Unauthorized modication of the venting system (Do not cut or alter vent components)
• Installation of any component part not
manufactured or approved by DESA
• Installation other than as instructed by
these instructions
WARNING: This gas replace
and vent assembly must be
vented directly to the outside.
The venting system must NEVER
be attached to a chimney serving a separate solid fuel burning
appliance. Each direct vent gas
appliance must use a separate
vent system. Do not use common vent systems.
WARNING: Vent pipe air
space clearances to combustibles are 1" on all sides except
on the horizontal sections,
which require 2" clearances
from the top of the pipe. Where
the termination cap penetrates
a combustible wall, 1" air space
clearance is required.
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120441-01A8
(Framing
Detail)
111/2"
111/2" Inside Framing
111/2"
8 1/2"
Vent Opening
Combustible Wall
Vent Opening
Noncombustible Wall
VENTING INSTALLATION
Continued
INSTALLATION PLANNING
There are two basic types of direct vent
installation:
• Horizontal Termination
• Vertical Termination
Outside air ex installation is required for
both horizontal and vertical installation (see
page 13).
Horizontal Termination Installation
IMPORTANT: Horizontal square terminations
require only inner portion of wall restop. Horizontal installations using round termination
require exterior portion of wall restop.
1. Set the replace in its desired location and
determine the route your horizontal venting will take. Do not secure the replace
until all venting has been installed. Some
installations require sliding the replace
in and out of position to make nal vent-
ing connections. Figures 14 and 15 on
page 11 show different congurations for
venting with horizontal termination that
will help you decide which application
best suits your installation. Check to see
if wall studs or roof rafters are in the path
of your desired venting route. If they are,
you may want to adjust the location of the
replace.
2. Direct vent pipe sections and components are designed with special twist-lock
connections.
Twist- Lo ck Procedure: The female
ends of the pipes have locking lugs (in-
dentations). These lugs will slide straight
into matching slots on the male ends
of adjacent pipes. Push pipe sections
together and twist one section clockwise
approximately one-quarter turn until the
sections are fully locked (see Figure 8).
Note: Horizontal runs of vent must be sup-
ported every three feet. Use wall straps
for this purpose.
3. Assemble the desired combination of pipe
and elbows to the replace ue collar. If
there are long portions of venting run, preassembled pipe sections may be installed
as subassemblies for convenience.
4. Carefully determine the location where
the vent pipe assembly will penetrate
the outside wall. The center of the hole
should line up with the center-line of the
horizontal vent pipe. Mark the wall for
an 11 1/2" x 11 1/2" square hole. Cut and
frame the square hole in the exterior
wall where the vent will be terminated. If
the wall being penetrated is constructed
of noncombustib le material, such as
masonry block or concrete, a 8 1/2" hole
with zero clearance is acceptable (see
Figure 9).
Female
Locking Lugs
Male
Slots
Figure 8 - Vent Pipe Connections
Center of
Hole
120441-01A9
Figure 9 - Vent Opening Requirements
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VENTING INSTALLATION
Continued
WARNING: Do not recess
vent termination into any wall.
This will cause a re hazard.
5. Noncombustible Exterior Wall: Position
the horizontal vent cap in the center of the
8 1/2" round hole and attach to the exterior
wall with four wood screws provided.
Before attaching the vent cap to exterior
wall, run a bead of non-hardening mastic
(pliable sealant) around the outside edges
to make a seal between it and the outside
wall. Note: The four wood screws provided
should be replaced with appropriate fasteners for stucco, brick, concrete or other
types of sidings (see Figure 10).
Combustible Exterior Wall: For vinyl
siding, stucco or wood exteriors, a siding
standoff may be installed between the
vent cap and exterior wall. The siding
standoff prevents excessive heat from
damaging the siding materials. Siding
material must be cut to accommodate
standoff. Bolt the vent cap to the standoff. Apply non-hardening mastic around
outside edge of standoff. Position the
standoff/cap assembly in the center of the
11 1/2" square hole and attach to exterior
wall with wood screws provided (see Fig-
ure 11). The siding standoff must sit ush
against the exterior fascia material.
6. Combustible Exterior Wall Only: Slide
the wall restop over the vent pipe before
connecting horizontal run to vent cap (see
Figure 12).
7. Carefully move replace, with vent as-
sembly attached, toward wall and insert
vent pipe into horizontal termination. The
pipe overlap should be a minimum of 1 1/4"
(see Figure 13, page 11).
8. Combustible Exterior Wall Only: Slide
wall restop against interior wall surface
and attach with screws provided. See Fig-
ure 13, page 11, for horizontal termination
details.
9. Place replace into position and shim with
noncombustible material if needed. Nail or
screw side anges to framing to secure
unit in place. IMPORTANT: Make sure re-
place is level before securing. If replace
is not level it will not work properly.
Cut Siding Away to
Fit Standoff
Standoff
Apply Mastic
to All Four Sides
Figure 11 - Installing Siding Standoff
(Combustible Exterior Wall)
Wood
Screw
Vent
Cap
Screws
Interior Wall
Surface
Apply
Mastic to All
Four Sides
Vent Cap
Wood
Screw
Figure 10 - Installing Horizontal Vent Cap
(Noncombustible Exterior)
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Wall
Firestop
Vent Cap
(Horizontal
Termination)
Screw
Figure 12 - Connecting Vent Cap with
Horizontal Vent Pipe
Horizontal
Vent Pipe
120441-01A10
2' Min.
2' Pipe Min.
+ 90° Elbow
7' Min.
VENTING INSTALLATION
Continued
Minimum
Pipe
Direct
Vent
Pipe
Maintain 1"
Minimum Air
Space Around
Outer Pipe When
Penetrating a Wall
11 1/2" x 11 1/2"
Framed Opening
Horizontal Termination Congurations
Figu res 14 and 15 show diffe rent con-
gurations and alternatives for venting with
horizontal termination. Each gure includes
a chart with critical minimum and maximum
dimensions which MUST be met.
Overlap
11/4"
Wall
Firestop
Exterior Wall with Vinyl Siding
Figure 13 - Typical Horizontal
Termination Cap Mounting with
Additional Siding Standoff Installed
NOTICE: Do not seal termination
cap to vent pipe. Cap must be
removable for vent inspection
and maintenance.
Siding
Standoff
Screws
High Wind
Termination
Apply
Mastic to
Outside
Edge of
Standoff
GROUND FLOOR INSTALLATION
Recommended Applications:
• Installation using cabinet surrounds
• Through the wall using round or square
termination (up to 12" horizontal pipe)
• NOT FOR CORNER INSTALLATION
Wall
Firestop
Horizontal High
Wind Square
Termination
Figure 14 - Horizontal Termination Using
One 90° Elbow
90° Elbow
WARNING: Never run vent
downward as this may cause
excessive temperatures which
could cause a re. Operation of
improperly installed and maintained venting system could
result in serious injury, property
damage or loss of life.
120441-01A11
Venting with Two 90° Elbows
Vertical (V)
7' min.18' max.
8' min.20' max.
20' max.20' max.
Figure 15 - Horizontal Termination Using
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Horizontal (H1) +
Horizontal (H2)
Two 90° Elbows
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