Vermont Casting DVT38 User Manual
INSTALLER/CONSUMER
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SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND
USING APPLIANCE
WARNING!
IF THE INFORMATION IN THIS
MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY
OR LOSS OF LIFE.
Chateau™
FOR YOUR SAFETY
Installation and service must
be performed by a qualified
installer, service agency or
the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch;
• Do not use any phone in your
building.
• Immediately call your gas supplier
from your neighborʼs phone. Follow
the gas suppliers instructions.
• If you cannot reach your gas
supplier call the fire department.
DO NOT STORE OR USE
GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS
IN THE VICINITY OF THIS OR
ANY OTHER APPLIANCE.
Direct Vent Decorative
Gas Appliance
Model: DVT38, DVT44
Installation Instructions and
Homeownerʼs Manual
CFM Specialty Home Products
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6 • 905-670-7777
www.majesticproducts.com • www.vermontcastings.com
INSTALLER: DO NOT DISCARD THIS MANUAL - LEAVE FOR HOMEOWNER
20006081 3/05 Rev. 7
Chateau™
Table of Contents
Please read the installation & operating instructions before using this appliance.
Thank you and congratulations on your purchase of a Vermont Castings, Majestic Products fireplace.
IMPORTANT: Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in a possible fire hazard and will void the warranty.
Installation & Operating Instructions
Important Curing/Burning Instructions .................................................................................3
Locating Your Fireplace .......................................................................................................3
Fireplace Dimensions ..........................................................................................................4
Clearance to Combustibles .................................................................................................5
Mantels ...............................................................................................................................5
Hearth ...............................................................................................................................5
Framing & Finishing ............................................................................................................6
Final Finishing .....................................................................................................................7
Gas Specifications ...............................................................................................................7
Gas Inlet and Manifold Pressures .......................................................................................7
High Elevations ...................................................................................................................7
Gas Line Installation ............................................................................................................7
Remote ON/OFF Switch ......................................................................................................8
Electrical Junction Box ........................................................................................................8
Electronic Gas Control Valve ...............................................................................................8
General Venting Information
General Venting ...................................................................................................................9
General Venting Information - Termination Location ......................................................... 10
General Information Assembling Vent Pipes ..................................................................... 11
SK8 Venting Pipes ............................................................................................................. 11
Horizontal Termination ....................................................................................................... 12
Vertical Termination ...........................................................................................................12
Sidewall Applications ......................................................................................................... 12
Use of the Restrictor Plates in Horizontal Venting Applications ........................................12
Sidewall Installation ...........................................................................................................14
Vertical Through-the-Roof Applications ............................................................................. 15
Use of Restrictor Plates for Vertical Venting Applications .................................................15
Vertical Through-the-Roof Installation ...............................................................................17
Chimney Components .......................................................................................................19
Operating Instructions
Glass Information ..............................................................................................................20
Window Frame Assembly Removal ...................................................................................20
Glass Cleaning .................................................................................................................. 20
Restrictor Plate Installation ................................................................................................ 20
Ceramic Refractory Installation .........................................................................................21
Log, Lava Rock and Ember Placement .............................................................................22
Flame & Temperature Adjustment .....................................................................................24
Flame Characteristics ........................................................................................................ 24
Lighting and Operating Instructions (Standing Pilot Models) ............................................25
Lighting and Operating Instructions (Electronic Ignition Models) ......................................26
Troubleshooting ................................................................................................................. 27
Fuel Conversion ................................................................................................................29
Maintenance
Cleaning the Standing Pilot Control System .....................................................................32
Cleaning Electronic Ignition System ..................................................................................32
Battery Replacement for Ignitor Module ............................................................................32
Replacement Parts ..................................................................................................................... 33
Optional Accessories .................................................................................................................. 36
Warranty .......................................................................................................................................37
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Installation & Operating Instructions
Chateau™
This gas fireplace should be installed by a qualified installer in
accordance with local building codes and with current CSAB149.1 Installation codes for Gas Burning Appliances and
Equipment. For USA Installations follow local codes and/or the
current National Fuel Gas Code. ANSI Z223.1/NFPA 54.
FOR SAFE INSTALLATION AND OPERATION PLEASE NOTE
THE FOLLOWING:
1 . This fireplace gives off high temperatures and should be
located out of high traffic areas and away from furniture and
draperies.
2. Children and adults should be alerted to the hazards of the
high surface temperatures of this fireplace and should stay
away to avoid burns or ignition of clothing.
3. CAUTION: Due to high glass surface temperature chil-
dren should be carefully supervised when in the same
room as fireplace.
4. Under no circumstances should this fireplace be modified.
Parts removed for servicing should be replaced prior to
operating this fireplace again.
5. Installation and any repairs to this fireplace must be per
formed by a qualified installer, service agency or gas supplier. A professional service person should be contacted to
inspect the fireplace annually. More frequent cleaning may
be required due to excess lint and dust from carpeting, bedding material, etc.
6. Control compartments, burners and air passages in this fire
place should be kept clean and free of dust and lint. Make
sure that the gas valve and pilot light are turned off before
you attempt to clean this fireplace.
7. The venting system (chimney) of this fireplace should be
checked at least once a year and if needed your venting
system should be cleaned.
8. Keep the area around your fireplace clear of combustible
materials, gasoline and other flammable vapor and liquids.
This fireplace should not be used as a drying rack for cloth
ing, nor should Christmas stockings or decorations be hung
on or around the fireplace.
9. Under no circumstances should any solid fuels (wood, coal,
paper or cardboard etc.) be used in this fireplace.
10. The flow of combustion and ventilation air must not be ob
structed in any way.
11. When the fireplace is installed directly on carpeting, vinyl tile
or any combustible material other than wood, this fireplace
must be installed on a metal or wood panel extending the
full width and depth of the fireplace.
12. This fireplace requires adequate ventilation and combustion
air to operate properly.
13. This fireplace must not be connected to a chimney flue
serving a separate solid fuel burning fireplace.
14. When the fireplace is not in use it is recommended that the
gas control valve be left in the “OFF” position.
NOTE: This appliance uses a fast acting thermocouple and
must be replaced with same.
20006081
Proposition 65 Warning: Fuels used in gas, woodburning or
oil fired appliances, and the products of combustion of such
fuels, contain chemicals known to the State of California to
cause cancer, birth defects and other reproductive harm.
California Health & Safety Code Sec. 25249.6
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This appliance may be installed in an aftermarket
permanently located, manufactured home or mobile
home, where not prohibited by local codes.
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 certified
kit is used.
The DVT38/44 has been approved for mobile home
installations.
IMPORTANT:
PLEASE REVIEW THE FOLLOWING CAREFULLY
Remove any plastic from parts before turning the fire
place ON.
It is normal for fireplaces fabricated of steel to give off
some expansion and/or contraction noises during the
start up or cool down cycle. Similar noises are found
with your furnace heat exchanger or car engine.
It is not unusual for your Vermont Castings, Majestic
Products gas fireplace to give off some odor the first
time it is burned. This is due to the curing of the paint
and any undetected oil from the manufacturing process.
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Please ensure that your room is well ventilatedopen all windows.
It is recommended that you burn your fireplace for at
least ten (10) hours the first time you use it.
Locating Your Fireplace
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Fig. 1 Locate gas fireplace.
A) Flat on wall B) Cross corner C) **Island
D) *Room divider E) *Flat on wall corner F) Chase installation
Y) 6” minimum
Note (Fig. 1):
** Island (C) and Room Divider (D) installation is possible as
long as the horizontal portion of the vent system (X) does not
exceed 20ʼ (6 m). See details in Venting Section.
* When you install your Vermont Castings, Majestic Products
fireplace in (D) Room divider or (E) Flat on wall corner positions
(Y), a minimum of 6” (152 mm) clearance must be maintained
from the perpendicular wall and the front side edge of the fire
place.
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LU584-1
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3
Chateau™
Rough Opening Width "
(1114mm)
Rough
Opening
Height
Rough
Opening
Depth
37" (962mm)
" (876mm)
54" (1372mm)
76" (1940mm)
8" Dia.
(213mm)
11" Dia.
(279mm)
49"
(1257mm)
10"
(254mm)
3"
(86mm)
33"
(848mm)
2"
(60mm)
29
"
(746mm)
1"
(41mm)
1/2" (13mm)
11"
(298mm)
28
"
(724mm)
25"
(648mm)
17" (432mm)
3" (76mm)
38" (968mm)
3/4" (19mm)
3/4" (19mm)
3" (76mm)
55"
(1397mm)
9"
(235mm)
12
"
(311mm)
5"
(140mm)
7"
(187mm)
54" (1372mm)
Rough Opening Width "
(1267mm)
Rough
Opening
Height
Rough
Opening
Depth
43" (1114mm)
40" (1029 mm)
57" (1464mm)
81" (2067mm)
8" Dia.
(213mm)
11" Dia.
(279mm)
54"
(1394mm)
10"
(254mm)
3"
(86mm)
38"
(978 mm)
2"
(60mm)
34
"
(875mm)
1"
(41mm)
1/2" (13mm)
11"
(298mm)
28
"
(724mm)
25"
(648mm)
23" (587mm)
3" (76mm)
57" (1464mm)
41" (1045mm)
3/4" (19mm)
3/4" (19mm)
3" (76mm)
55"
(1397mm)
9"
(235mm)
12
"
(311mm)
5"
(140mm)
7"
(187mm)
Fireplace Dimensions - DVT38
Fig. 2 Fireplace specifications and framing dimensions for DVT38.
Fireplace Dimensions - DVT44
No drywall in this area, MUST use noncombustible
wallboard such as Dura Rock.
Valve box should not be left attached to the unit.
Fig. 3 Fireplace specifications and framing dimensions for the DVT44.
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No drywall in this area, MUST use noncombustible
wallboard such as Dura Rock.
Valve box should not be left attached to the unit.
20006081
Clearance to Combustibles
A B C
D
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W
X
Y
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K
Appliance
Top Standoffs .............................................0” (0mm)
Bottom ........................................................0” (0mm)
Side Standoffs ............................................0” (0mm)
Back Standoffs ...........................................0” (0mm)
Venting
Horizontal Termination through-a-side wall:
Vertical Sections:
Sides ...............................................2¹⁄₂” (64mm)
Horizontal Sections:
Top ..................................................3¹⁄₂” (89mm)
Bottom ............................................1¹⁄₂” (38mm)
Sides ...............................................2¹⁄₂” (64mm)
Vertical Vent Application:
Sides ..............................................1¹⁄₂” (38mm)
Mantels
The height that a combustible mantel is fitted above the
fireplace is dependent on the depth of the mantel. This
also applies to the distance between the mantel leg (if
fitted) and the fireplace.
For the correct mounting height and widths refer to
Figs. 4a and 4b, the following Mantel Charts.
Noncombustible mantels and legs may be installed at
any height and width around the appliance.
When using paint or lacquer to finish the mantel, such
paint or lacquer must be heat resistant to prevent
discoloration.
Combustible
Framing and Finish Wall Above
Standoffs
May use combustible facing material in this area
Standoff
Chateau™
Mantel
Leg
CFM164b
Side of Fireplace
Noncombustible
Finish Material
CFM170a
Mantel Mantel Leg from Side
Ref. Leg Depth Ref. of Comb. Opening
F 12” (305mm) K 12” (305mm)
G 9” (229mm) L 9” (229mm)
H 6” (152mm) M 6” (152mm)
I 4” (102mm) N 4” (102mm)
J 3” (76mm) O 3” (76mm)
Fig. 4b Combustible mantel leg minimum installation.
Hearth
CFM146c
Mantel Shelf Mantel from Top
Ref. or Breast Plate Ref. of Comb. Chamber
Depth
V 10” (254 mm) A 10” (254 mm)
W 9” (229 mm) B 9” (229 mm)
X 8” (203 mm) C 8” (203 mm)
Y 7” (178 mm) D 7” (178 mm)
Z 6” (152 mm) E 6” (152 mm)
Fig. 4a Combustible mantel minimum installation.
20006081
Noncombustible Finish
Material
(Such as Dura Rock)
Fireplace Front
Mantel Chart
A hearth is not mandatory but is recommended for
aesthetic purposes. We recommend a noncombustible
hearth which projects out 12” (305mm) or more from
the front of the fireplace. The hearth cannot exceed 1¹⁄₂”
(38mm) in height from bottom of fireplace for ease of
Top of Sheet
Metal
door accessibility. (Fig. 5)
Cold climate installation recommendation:
When installing this unit against a noninsulated exterior wall or chase, it is
mandatory the outer walls be insulated to
conform to applicable insulation codes.
5
Chateau™
3"
(76mm) Min.
3"
(76mm) Min.
1¹⁄₂"
(38mm)
Max. Hearth Height
53" (1346mm)
45" (1143mm)
3"
(76mm)
3"
(76mm)
Framing and Finishing
NOTE: The valve box assembly must be installed in the
same room as the fireplace.
1. Choose the unit location.
2. The unit is shipped with four (4) nailing flanges
mounted to the sides near the front corners. (Fig. 5)
3. Frame the fireplace with a header across the top of
the standoff. (Fig. 6) It is very important to allow for
the finished wall face along with marble, tiles or any
Bend
Line
other noncombustible face finish material desired
when setting the depth of the framing.
4. Attach the fireplace nailing flanges to the frame as
shown in Figure 5.
5. The gas components are located in the control
panel assembly attached to the right side of the unit.
Choose the desired location on the wall or mantel
for the valve box assembly. The conduit length is 5ʼ
(1524mm). (Fig. 7) The framing dimensions for the
box are 12¹⁄₄”L x 9¹⁄₄”W x 5⁵⁄₈”D (311mm x 235mm x
143mm). When the framing for the box is complete,
remove the screws securing the valve box to the
outer casing. Carefully remove the valve box and,
without stressing the conduit, slide the box into the
framed opening. Replace the screws removed from
the side of the outer casing.
Fig. 5 Nailing flanges.
FP1357
FP1358
FP1361
Fig. 7 Valve box assembly location.
6. To secure the valve box assembly to the framing
members, open the box door, remove extension
knob(s). For units with two piece cover plates, remove the front cover plate by removing the screws
holding the front plate to the second plate. Disconnect the wires for the pilot indicator and remove the
second plate located at the top of the box.
For units with a one piece cover plate, remove the
valve cover by removing the two (2) screws securing
the valve cover to the box, hold the cover plate with
one hand and disconnect the wires to the switch and
pilot indicator (R models only). NOTE: Do not allow
the valve cover plate to hang from the pilot indicator
wires as this could damage the wires.
Secure the box to the framing through the two (2)
holes at the top and one (1) on each side using
sheet rock screws. (Fig. 8) After framing the box,
replace the wires, the valve cover, the extension
knob(s) in reverse order.
NOTE: The pilot indicator body is labelled +/-, make
sure the positive wire on the pilot indicator goes to
ground and the negative goes to the plug between
the valve and the thermocouple.
Fig. 6 Fireplace framing.
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20006081
9"
(235mm)
12"
(311mm)
FP1362
Fig. 8 Valve box framing.
7. The U-channel located on the top of the unit as well
as the nailing flanges on the sides that were mentioned in Step 1, are designed to accommodate noncombustible board (recommended Dura-Rock). They
are positioned 1” (25mm) back from the face of the
unit. NOTE: The U-channel depth can be adjusted
by loosening the hex nut inside the channel.
If marble, tile or any other noncombustible decora
tive face finish material is desired, a 3” (76mm) wide
noncombustible board (recommended Dura-Rock)
is to be nailed to the nailing flanges on both sides
of the unit. Also, 12” (305mm) of noncombustible
board is to be nailed to the front face of the U-channel and the top framing member above the standoff.
Combustible material can then be brought to the
outside edges of the noncombustible board installed
earlier. Any noncombustible decorative face finish
could be brought to the sides and top of the unit and
can cover the framing and sheet rock. If a decorative facing is not desired, then the noncombustible
boards must be double thickness and brought flush
with the face of the unit.
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Chateau™
Gas Specifications
MAX. MIN.
GAS INPUT INPUT
MODEL FUEL CONTROL B.T.U.H B.T.U.H.
DVT38RN Natural Gas Millivolt 46,000 34,000
DVT38RP Propane Millivolt 46,000 36,000
DVT38EN Natural Gas 24V Hi/Lo 46,000 34,000
DVT38EP Propane 24V Hi/Lo 46,000 36,000
DVT44RN Natural Gas Millivolt 60,000 37,000
DVT44RP Propane Millivolt 60,000 45,000
DVT44EN Natural Gas 24V Hi/Lo 60,000 37,000
DVT44EP Propane 24V Hi/Lo 60,000 45,000
High Elevations
Input ratings are shown in BTU per hour and are
certified without deration for elevations up to
4,500 feet (1,370m) above sea level.
For elevations above 4,500 feet (1,370m) in USA,
installations must be in accordance with the
current ANSI Z223.1/NFPA 54 and/or local codes
having jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at
elevations above 4,500 feet (1,370m).
WARNING: Improper installation, 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.
Final Finishing
Noncombustible materials such as brick or tile may be
brought to the edges of the face of the appliance.
DVT38 / DVT44
Certified To
ANSI Z21.50b-2002/CSA 2.22b-2002
Vented Gas Fireplace
DVT38 Units: GF1HC0, GF1IC0, GF1AC0, GF1BC0
DVT44 Units: E21H00, E21I00, E21A00, E21B00
Gas Inlet and Manifold Pressures
Natural LP (Propane)
Minimum Inlet Pressure 5.5” w.c. 11.0” w.c.
Maximum Inlet Pressure 14.0” w.c. 14.0” w.c.
Manifold Pressure 3.5” w.c. 10.0” w.c.
20006081
Gas Line Installation
When purging gas line the front glass must
be removed.
A gas shut off valve must be installed on
the gas pipe line going into the appliance
within easy access.
The gas pipeline can be brought in through the bottom
right side of the valve box assembly.
The gas line connection can be made with properly
tinned 1/2” copper tubing or 1/2” gas tight. Some
municipalities have additional local codes, it is always
best to consult your local authority and the CSA-B149.1
installation codes.
For USA installations consult the current National Fuel
Gas Code, ANSI Z223.1/NFPA 54.
7
Chateau™
THTP
TP
TH
1/2” NPT X 1/2” Flare
Shut-off Valve
1/2” Gas Tight or
Tinned Copper
(from valve)
FP297A
1/2” Gas Supply
(Not provided)
Fig. 9 Typical gas supply installation.
Always check for gas leaks with a mild
soap and water solution applied with a
brush no larger than 1” (25mm). Never apply soap and water solution with a spray
bottle. Do not use an open flame for leak
testing.
The fireplace valve must not be subjected
to any test pressures exceeding 1/2 psi.
Isolate or disconnect this or any other gas
appliance control from the gas line when
pressure testing.
The gas control is equipped with a captured screw type
pressure test point, therefore it is not necessary to provide a 1/8” test point up stream of the control.
When using copper, use only approved fittings. Always
provide a union when using black iron pipe so the gas
line can be easily disconnected for burner servicing. A
union may not be behind a wall. (Fig. 9) See the gas
specifications for pressure details and ratings.
Remote ON/OFF Switch
Do not wire the remote ON/OFF wall switch
for this gas appliance into a 120V power
supply.
The unit is equipped with an ON/OFF rocker switch at
the valve box assembly. If a wall switch is desired, follow these instructions.
1. The valve box is equipped with two knockouts at
the top right and left corners. The right knockout is
designed to run the wall switch wires to the valve.
Use Romex connectors when running wires through
the valve box where the knockouts are located.
2. Attach the wire to the ON/OFF switch and install the
switch into the receptacle box.
3. Connect the other end of the wire to the gas control
valve. (Fig. 10)
8
Remote ON/OFF Switch
Gas Control Valve
Fig. 10 Remote switch wiring diagram for R models.
Electrical Junction Box (E Units Only)
The fireplace, when installed, must be electrically connected and grounded in accordance with local codes or, in the absence
of local codes, with the current CSA C22.1
Canadian Electrical Code or the national
electrical code ANSI/NFPA No. 70 in the
USA.
It is strongly suggested that the wiring of
the Electrical Junction Box be carried out
by a licensed electrician. The box should
be near the valve box assembly to plug the
cord into.
Ensure the power to the supply line has
been disconnected before commencing
this procedure.
Electronic Gas Control Valve
This appliance may be fitted with a Honeywell ignition
module. The unit is shipped from the manufacturer with
an ON/OFF switch. The ON/OFF switch is located in
the valve box assembly. If desired a wall switch may be
used.
Installation of the remote ON/OFF switch on electronic
ignition units:
1. The valve box is equipped with two knockouts at the
top right and left corners. The right knockout is designed to run the wall switch wires to the valve. The
left knockout is designed for wiring the electronic
unit (E model) to 120v with proper grounding. Use
Romex connectors when running wires through the
valve box where the knockouts are located.
2. Attach the wire to the ON/OFF switch and install the
switch into the receptacle box. (Fig. 11)
3. Connect the White wire from the wall switch to the
Black wire from the transformer, using an approved
wire nut or terminal. Connect the Black wire from the
wall switch to the Black wire running from the #6 position of the ignition module, also using an approved
wire nut or terminal.
FP1366
20006081
Chateau™
PILOT
HONEYWELL IGNITION MODULE
WHITE
BLACK
BLACK
NOVA SIT 822 VALVE
HI
LO
120 VAC RTN
WHITE
GREEN
BLACK
120 VAC HOT
BLACK
WHITE
24 VAC RET
40VA TRANSFORMER
24 VAC HOT
BLACK
WHITE
WALL SWITCH
WHITE
1 2 3 5 6 8 9
MV MV/VP PV GRD 24V SENSE SPARK
24V
WHITE
BLACK
To Receptacle
Supplied
in Valve Box
General Venting
Your fireplace is approved to be vented either through
the side wall, or vertical through the roof.
• Only Vermont Castings, Majestic Products
venting components specifically approved and
labelled for this fireplace may be used.
• Venting terminals shall not be recessed into a wall or
siding.
• Horizontal venting must be installed on a level plane
without an inclining or declining slope.
There must not be any obstruction such as bushes, garden sheds, fences, decks or utility buildings within 24”
(610mm) 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 termination area after snow falls, and clear to prevent accidental 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 observing the minimum clearances as shown on following
page.
FP1367
Fig. 11 Honeywell ignition module.
20006081
9
Chateau™
V
V
V
V
V
V
V
X
X
X
D
E
B
B
B
C
B
M
B
A
J
K
F
L
VENT TERMINATION AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
H
I
V
B
INSIDE
CORNER DETAIL
V
A
G
V
N
N
V
V
G
G
A
CFM145a
General Venting Information - Termination Location
Canadian Installations1 US Installations
A = Clearance above grade, veranda, porch, 12” (30cm) 12” (30cm)
deck, or balcony
B = Clearance to window or door that may be 6” (15cm) for appliances 6” (15cm) for appliances
opened < 10,000Btuh (3kW), 12” (30cm) < 10,000 Btuh (3kW), 9”
for appliances > 10,000 Btuh (3kW) and (23cm) for appliances > 10,000
< 100,000 Btuh (30kW), 36” (91cm) Btuh (3kW) and < 50,000 Btuh
for appliances > 100,000 Btuh (30kW) (15kW), 12” (30cm) for
appliances > 50,000 Btuh (15kW)
C = Clearance to permanently closed window 12” (305mm) recommended to 12” (305mm) recommended to
prevent window condensation prevent window condensation
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal 18” (458mm) 18” (458mm)
distance of 2 feet (610mm) from the center
line of the terminal
E = Clearance to unventilated soffit 12” (305mm) 12” (305mm)
F = Clearance to outside corner see next page see next page
G = Clearance to inside corner (see next page) see next page see next page
H = Clearance to each inside of center line 3ʼ (91cm) within a height of 15ʼ 3ʼ (91cm) within a height of 15ʼ
extended above meter/regulator assembly above the meter/regulator assembly above the meter/regulator assy
I = Clearance to service regulator vent outlet 3ʼ (91cm) 3ʼ (91cm)
J = Clearance to nonmechanical air supply inlet 6” (15cm) for appliances < 10,000 6” (15cm) for appliances
to building or the combustion air inlet to any Btuh (3kW), 12” (30cm) for < 10,000 Btuh (3kW), 9”
other appliances appliances > 10,000 Btuh (3kW) and < (23cm) for appliances > 10,000
100,000 Btuh (30kW), 36” (91cm) Btuh (3kW) and < 50,000 Btuh
for appliances > 100,000 Btuh (30kW) (15kW), 12” (30cm) for
appliances > 50,000 Btuh (15kW)
K = Clearance to a mechanical air supply inlet 6ʼ (1.83m) 3ʼ (91cm) above if within 10ʼ
(3m) horizontally
L = Clearance above paved sidewalk or paved 7ʼ (2.13m)† 7ʼ (2.13m)†
driveway located on public property
M = Clearance under veranda, porch, deck or 12” (30cm)
balcony
N = Clearance above a roof shall extend a minimum of 24” (610mm) above the highest point when it passes through the roof
surface, and any other obstruction within a horizontal distance of 18” (450mm).
1 In accordance with the current CSA-B149 Installation Codes
2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwell ings
‡ only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor:
NOTE: 1. Local codes or regulations may require different clearances.
2. The special venting system used on CFM Specialty Home Products Direct Vent Fireplaces are certified as part of the appliance,
with clearances tested and approved by the listing agency.
Fig. 12 Vent termination clearances.
10
*Clearances to soffit do not apply to “vinyl soffits”.
‡ 12” (30cm)‡
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Chateau™
Outside Corner
Inside Corner
Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
A =
Combustible
6"(152mm)
Noncombustible
2"(50mm)
B =
Combustible
6"(152mm)
Noncombustible
2"(50mm)
A
Balcony with no side wall
G =
Combustible &
Noncombustible
12"(305mm)
G
Balcony with perpendicular side wall
H = 24"(610mm)
J = 20"(508mm)
H
J
B
Recessed Location
C = Maximum depth of 48"
(1219mm) for recessed
location.
D = Minimum width for back wall
of a recessed location.
Combustible 38"(965mm)
Noncombustible 24"(610mm)
E = Clearance from corner in
recessed location.
Combustible 6"(152mm)
Noncombustible 2"(50mm)
C
D
C
E
V
V
Combustible &
Noncombustible
V
V
V
Fig. 13 Termination clearances.
Application Item DVT38N DVT38P DVT44N DVT44P
Quick Reference for Fresh Air Restrictor Plate / Flue Baffle
SK8DVSK Flue Restrictor Plate 3” None None 4
Fresh Air Restrictor Plate None None None #1
Vertical Less than 12’ Flue Restrictor Plate None None None None
Fresh Air Restrictor Plate None None None None
Vertical 12’ to 20’ Flue Restrictor Plate
Fresh Air Restrictor Plate #3 #3 #3 #3
Vertical 20’ to 30’ Flue Restrictor Plate
Fresh Air Restrictor Plate #2 #2 #2 #2
Vertical 30’ to 40’ Flue Restrictor Plate
Fresh Air Restrictor Plate #1 #1 #1 #1
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¹⁄₂”
4¹⁄₂” 4¹⁄₂” 4¹⁄₂” 4¹⁄₂”
4¹⁄₂” 4¹⁄₂” 4¹⁄₂” 4¹⁄₂”
4¹⁄₂” 4¹⁄₂” 4¹⁄₂” 4¹⁄₂”
584-15
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Chateau™
UP
General Information Assembling Vent Pipes
SK8 Venting Pipes
Canadian Installations:
The venting system must be installed in accordance
with the current CSA-B149 .1 installation code.
USA Installations:
The venting system must conform with local codes and/
or the current National Fuel Gas code ANSI Z223.1/
NFPA 54.
Only venting components manufactured by Vermont
Castings, Majestic Products can be used in Direct Vent
systems.
NOTE: The joints of the inner pipe (flue pipe) must be
taped with 550°F or higher temperature metal adhesive
tape that meets the requirements of F.A.R. 25.853(a)
High temperature sealant milpack or stove cement
of 550°F or higher could be used instead. The joints
of The outer pipe (fresh air pipe) must be taped with
315°F or higher temperature metal adhesive tape or the
use of high temperature milpack or stove cement would
be applicable. When using the unitized 30°, 45° or 90°
elbows, apply 1/4” bead of high temperature, 550°F or
higher, sealant (milpack or stove cement) to the joint of
the inner pipe (flue pipe) and the straight section as it is
impossible to be taped. The outer pipe must be taped
with 315°F high temperature metal adhesive tape for
proper sealing.
Start by attaching the first vent pipe section to the collar
on top of the fireplace. In order to attach the first pipe
section, it may be necessary to remove the top shield.
Remove four (4) screws securing top shield, install first
pipe section and replace top shield.
Install the pipe as shown in Figure 14. When you get a
good lock, you will hear the pipe clearly snap together.
Once sections are snap-locked in place, it is extremely
difficult to get them apart. Make sure the pipe is firmly
snapped and locked together as each pipe section is
mounted.
When installing elbows, follow the same procedure.
The joints of inner and outer elbow must be taped with
UL approved high temperature metal adhesive tape for
proper sealing. Be sure to always attach straps on upper elbow to a structural framing member.
For vertical installations, continue installing the pipe as
required until pipe is installed up through the ceiling. At
this point, you must install a firestop spacer.
Pipe Section
Pipe
Rim
Hem
Lance
Pipe
Rim
FP1368
Fig. 14 Install pipe, listening for the snap-lock to fasten.
Horizontal Termination
The vent must rise vertically a minimum of 24” (610mm)
off the top of the unit, before the first elbow. The horizontal run may extend up to 20ʼ (6m) and include a
vertical rise of up to 40ʼ (12m). (Fig. 15) Horizontal termination must also meet the criteria shown in Figures
12 & 13.
• Approved vent systems must terminate above and
including the heavy line in Figure 15.
• Two 45° elbows may be substituted for each single
90° elbow.
• With a rise between 2ʼ - 4ʼ, one (1) 90° or two (2) 45°
elbows may be used.
Vertical Termination
A vertical vent system must terminate no less than 12ʼ
(3.66m) and no more than 40ʼ (12m) above the appliance flue collar. A 2ʼ (610mm) vertical section must be
installed before any offset. A maximum of 20ʼ (6.1m)
horizontal and three (3) 90° elbows may be installed
with a minimum of 12ʼ (3.66m) vertical section above
the flue collar of the unit. Refer to Page 15, Figure 26
for more information.
A vertically terminated vent system must also conform
to the following criteria:
• No more than three (3) 90° elbows may be used.
• Two (2) 45° elbows may be substituted for one (1)
90° elbow. No more than six (6) elbows may be
used.
12
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