Vermont Castings BHDT36 User manual

- 1 -
INSTALLER: DO NOT DISCARD THIS MANUAL - LEAVE FOR HOMEOWNER 10001827
11/01 Rev.1
DirectVent
Top Vent
Model
BHDT36
DO NOT STORE
OR USE GASOLINE OR OTHER
FLAMMABLE VAPOURS AND LIQUIDS
IN THE VICINITY OF THIS OR ANY
OTHER APPLIANCE.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch
• Do not useany phone in your building.
• Immediately call your gas supplier from
your neighbours phone. Follow the gas
suppliers instructions.
• Ifyoucannotreachyourgassuppliercallthe
fire department.
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.
Installation Instructions & Homeowner's Manual
FOR YOUR SAFETY
• Installation and service must be performed
by a qualified installer, service agency or
your gas supplier.
410 Admiral Blvd., Mississauga
Ontario, Canada L5T 2N1
www.majesticproducts.com / www.vermontcastings.com
The Vermont Castings
Majestic Products Company

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TABLE OF CONTENTS
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.
Thank you and congratulations on your purchase.
IMPORTANT: R ead 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 Instructions ........................................................................................................................................... 3
General Information.................................................................................................................................... 3
Locating your Fireplace .............................................................................................................................. 4
Fireplace Dimensions ................................................................................................................................. 5
Mantels .................................................................................................................................................... 5
Mantel Chart ............................................................................................................................................... 5
Clearance to Combustibles ........................................................................................................................ 5
Framing & Finishing.................................................................................................................................... 5
Final Finishing ............................................................................................................................................ 6
Hearth .................................................................................................................................................... 6
Gas Specifications...................................................................................................................................... 6
Gas Line Installation ................................................................................................................................... 7
Remote Switch Installation ......................................................................................................................... 7
General Venting Information 8
Termination Clearances ............................................................................................................................. 9
Assembling Vent Pipes With Crimped Ends ........................................................................................ 10
Vertical Sidewall Applications ............................................................................................ 10
How To Use the Vertical Sidewall Venting Graph ..................................................................... 11
Vertical Sidewall Installation...................................................................................................... 12
Below Grade Installations.......................................................................................................... 14
Vertical Through the Roof Applications ..................................................................................... 14
Vertical Through the Roof Installation ....................................................................................... 15
Crimped End Venting Components........................................................................................... 16
Assembling Twist Lock Vent Pipes ................................................................................................. 17
Vertical Sidewall Applications.................................................................................................... 17
How To Use the Vertical Sidewall Venting Graph ..................................................................... 19
Vertical Sidewall Installation...................................................................................................... 19
Below Grade Installations.......................................................................................................... 21
Vertical Through the Roof Applications ..................................................................................... 22
Vertical Through the Roof Installation ....................................................................................... 23
Twist Lock Venting Components............................................................................................... 24
Operating Instructions 25
General Glass Information........................................................................................................................ 25
Louvre Removal ....................................................................................................................................... 25
Glass Cleaning ......................................................................................................................................... 25
Glass Frame Removal.............................................................................................................................. 25
Installation of Logs.................................................................................................................................... 26
Lava Rock................................................................................................................................................. 26
Flame Adjustment..................................................................................................................................... 26
Flame Characteristics............................................................................................................................... 27
Inspecting the Venting System ................................................................................................................. 27
Maintenance ............................................................................................................................................. 27
Cleaning the Standing Pilot ...................................................................................................................... 27
Lighting and Operating Instructions.......................................................................................................... 28
Troubleshooting Gas Control (Honeywell Millivolt Gas Valve) ................................................................. 29
Troubleshooting Gas Control (SIT 820 Millivolt Gas Valve) ..................................................................... 30
Replacement Parts List ........................................................................................................................... 31
Replacement Parts Pictorial ..................................................................................................................... 32
Options 33
Fan Kit - FK24 .......................................................................................................................................... 33
Bay Window Installation ........................................................................................................................... 33
Screen Kit ................................................................................................................................................. 34
Ceramic Refractory Installation ................................................................................................................ 34
Remote Control ........................................................................................................................................ 34

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IMPORTANT:
PLEASE REVIEW THE FOLLOWING
CAREFULLY
Remove any plastic from trim parts before turning
the fireplace ON.
Itisnormalforfireplacesfabricatedofsteeltogive
off some expansion and/or contraction noises
during the start up or cool down cycle. Similar
noisesarefoundwithyourfurnaceheatexchanger
or car engine.
It is not unusual for your gas fireplace to give off
some odour the first time it is burned. This is due
to the curing of the paint and any undetected oil
from the manufacturing process.
Please ensure that your room is well
ventilated - open all windows.
Itisrecommendedthatyouburnyour fireplacefor
a least six (6) hours the first time you use it. If
optionalfankithasbeeninstalled,placefaninthe
"OFF" position during this time.
This gas appliance should be installed by a qualified installer in
accordance with local building codes and with current CAN /
CGA-B149(.1or.2)InstallationcodesforGasBurningAppliances
andEquipment.orforU.S.AInstallationsfollowlocalcodesand/
or the current National Fuel Gas Code. ANSI Z223.1.
FORSAFEINSTALLATIONANDOPERATIONOFYOUR
DIRECT VENT FIREPLACE 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. Childrenandadultsshouldbealertedtothehazardsof
the high surface temperatures of this fireplace and
shouldstayawaytoavoidburns orignitionofclothing.
3. CAUTION: Due to high glass surface temperature
childrenshouldbecarefullysupervisedwhenthey
are in same room as your fireplace.
4. Undernocircumstancesshouldthisfireplacebemodi-
fied. Parts having to be removed for servicing should
be replaced prior to operating this fireplace again.
5. Installation and any repairs to this fireplace should be
carried out by a qualified service person. A profes-
sional service person should be contacted to inspect
this fireplace annually. Make it a practice to have all
of your gas fireplaces checked annually. More
frequent cleaning may be required due to excess
lintanddustfromcarpeting,beddingmaterial,etc.
6. Control compartments, burners and air passages in
thisfireplaceshouldbekeptcleanandfreeofdustand
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 combus-
tible materials, gasoline and other flammable vapour
and liquids. This fireplace should not be used as a
drying rack for clothing, nor should Christmas stock-
ings or decorations be hung in the area of it.
9. Underno circumstances should anysolid fuels (wood,
coal,paperorcardboardetc.)beusedinthisfireplace.
10.The flow of combustion and ventilation air must not be
obstructed in any way.
11.Whetherthefireplaceis installeddirectlyon carpeting,
vinyltile orany combustiblematerial otherthan wood,
this fireplace must be installed on a metal or wood
panelextendingthefullwidthanddepthofthefireplace.
12.This fireplace requires adequate ventilation and
combustion air to operate properly.
LOCATING YOUR INSTA-FLAME
LOCATING YOUR GAS FIREPLACE
Fig. 1
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 20 feet (610cm). See details in Venting
Section.
* Whenyouinstallyourfireplacein(D)Roomdivideror (E)
Flat on wall corner positions (Y), a minimum of 6 inches
(153mm) clearance must be maintained from the perpen-
dicular wall and the front of the fireplace.
EA
X
X
C
D
F
B
X
Y
Y
INSTALLATION AND OPERATING INSTRUCTIONS

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A 36" 914mm
B 34 1/4" 870mm
C 21" 533mm
D 33" 838mm
E 24" 610mm
F 16" 406mm
G 37 1/4" 946mm
I7
1/8" 181mm
J6
3/4" 171mm
K 10" 254mm
L 13 1/2" 343mm
M 39 3/4" 1010mm
N 55 1/4" 1403mm
O 28 1/8" 714mm
ROD 16 1/2" 419mm
ROW 36 1/2" 927mm
ROH 35" 889mm
FIREPLACE DIMENSIONS
Fig. 2
BHDT36
D
C
G
F
B
J
A
E
F
H
I K
L
M
Framing Dimensions
ROW
ROH
ROD N
Appliance Dimensions

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Ref. Mantel Ref. Mantel From Mantel Leg from
Depth Top Louvre Fireplace Side
V 10" (254 mm) A 12" (305 mm) 10" (254mm)
W 8" (203 mm) B 10" (254 mm) 8" (203mm)
X 6" (152 mm) C 8" (203 mm) 6" (152mm)
Y 4" (101 mm) D 6" (152 mm) 4" (101mm)
Z 2" ( 51 mm) E 4" (101 mm) 2" (51mm)
MANTEL CHART
MANTELS
Depending on the width of the mantel it may be installed
higher or lower from the top of the louvre opening. See
drawing and chart below for proper installation height of
yourcombustiblemantelpiece. Non-combustiblemantels
maybeinstalledatanyheightabovetheapplianceopening.
When using paint or lacquer to finish the
mantel, such paint or lacquer must be
heat resistant to prevent discolouration.
Fig. 3
CLEARANCE TO COMBUSTIBLES
Back........ 0 mm/0 inches
Side......... 0 mm/0 inches
Floor........ 0 mm/0 inches
Top.......... 0 mm/0 inches
Fig. 5
Fig. 4
1. Choose fireplace location.
2. Place fireplace into position and secure to floor with
1-1/2" screws, or nails. The holes to secure the
fireplace to the floor are located just behind the
accessdoorgrillontheleftandrighthandsideofthe
fireplace.
3. Framein fireplacewith aheader acrossthe top. Itis
important to allow for finished face when setting the
depth of the frame.
4. Attach fireplace to frame using adjustable frame
drywall strips(located behind access door for
shipping). Preset depth to suit facing material
(adjustable to 1/2" , 5/8" or 3/4" depths). Fig. 4.
5. Screw through slotted holes in drywall strip and
then screw into pre-drilled holes on fireplace side.
Measure from face of fireplace to face of drywall
strip to determine final depth. (Fig. 5 & 6)
FRAMING AND FINISHING
ADJUSTABLE DRYWALL STRIP
(NAILING FLANGE)
C
A
B
SCREW
POSITION
A
B
C
DRYWALL
DEPTHS
1/2" / 13mm
5/8" / 16mm
3/4" / 19mm
Fig. 6
Adjustable 1/2",5/8"
& 3/4" spacing
Non-combustible materials such as brick and tile can be
extended over the face of the unit (Do not cover louvres
or glass door) . If a Trim Kit is going to be installed, brick
and tile will have to be installed flush with the side of this
appliance.
FINAL FINISHING
,,
,,
,,
X
Y
Z
TOP
LOUVRE
OPENING
E
D
C
B
A
W
V
SIDE VIEW
OPTIONAL
HEARTH
2x4
STUD
& HEADER
KNOCK-OUT ELECTRICAL
KNOCK-OUT
GLASS FRONT
ELECTRICAL
BOX KNOCK-OUT
Maintain
minimum 1"
clearance to
combustibles

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Do not use this fireplace if any part of it has
been under water. Immediately call a qualified
service technician to inspect the fireplace and
replace any part of the control which has been
under water.
Cold climate installation recommendation:
When installing this unit against a non-
insulated exterior wall or chase, it is
mandatory that the outer walls be insulated
to conform to applicable insulation codes.
HEARTH
A hearth is not mandatory but it is recommended for
aesthetic purposes. We recommend a non-combustible
hearth which does not obstruct louvre opening.
GAS INLET & MANIFOLD PRESSURES
Input Minimum
Input Maximum
Manifold Pressure
NATURAL LP (Propane)
11" wc
13" wc
10" wc
4.5" wc
7" wc
3.5" wc
GAS SPECIFICATIONS
MAX. MIN.
INPUT INPUT
MODEL FUEL GAS CONTROL B.T.U.H B.T.U.H.
BHDT36 RN Natural Gas Millivolt Hi/Lo 18,000 12,600
BHDT36 RP Propane Gas Millivolt Hi/Lo 18,000 13,500
CERTIFIED TO
ANSI Z21.88a-1998 / CSA 2.33a-M98
Vented Gas Fireplace Heaters.
The installation of your Majestic Fireplace
must conform with local codes, or in the
absence of local codes, with National Fuel
GasCode,ANSIZ223.1latest edition, or CAN
1 B1-149.1 and .2 Installation Code.
(EXCEPTION: Do not derate this appliance
for altitude. Maintain the manifold pressure
at 3.5 inches W.C. for Natural Gas and 10
inches W.C. for LP gas.)

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P
I
L
O
T
TPTH TP TH
SIT VALVE
REMOTE SWITCH INSTALLATION
1. Threadwirethroughtheelectricalknockout locatedon
eithersideoffireplace.. Donotcutwireorinsulationon
metal edges. Ensure that wire is protected. Run the
other end to a conveniently located wall receptacle
box.
2. Attach wire to switch and install switch into receptacle
box. Attach cover plate to switch.
3. Connect wiring to gas valve. (Fig. 8/9)
Fig. 9
ALTERNATE SWITCH LOCATION:
Remoteswitchcanbeinstalledoneithersideoftheaccess
door. Simply mount the switch to the switch bracket
provided. Screw the bracket on either side of the frame,
lining up the screws with the pre-punched holes. (Fig. 10)
DO NOT WIRE MILLIVOLT REMOTE WALL
SWITCH FOR GAS FIREPLACE TO A 120V
POWER SUPPLY.
FOR LIGHTING INSTRUCTIONS PLEASE
TURN TO PAGE 28.
Fig. 10
1/2" GAS SUPPLY
1/2" X 3/8" REDUCER
3/8" NIPPLE
3/8" NIPPLE
3/8" NIPPLE
3/8" X 3/8" SHUT OFF VALVE
3/8" UNION
When using copper or flex connector use only approved
fittings. Always provide a union when using black iron
pipesothat gaslinecan beeasilydisconnected forburner
or fan servicing. See Fig. 7. See gas specification for
pressure details and ratings.
Typical gas supply installation
Always check for gas leaks with a mild
soap and water solution. Do not use an
open flame for leak testing.
The gas control is equipped with a captured screw type
pressuretestpoint,thereforeitis notnecessarytoprovide
a 1/8" test point up stream of the control.
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.
Fig..7
GAS LINE INSTALLATION
When purging gas line the front glass must
be removed.
The gas pipeline can be brought in through the right side,
leftsideoftheapplianceaswellasthebottom. Knockouts
are provided at convenient locations to allow for the gas
pipe installation and testing of any gas connection. It is
most convenient to bring the gas line in from the right
side, as this allows fan installation or removal without
disconnecting the gas line.
The gas line connection can be made with
properly tinned 3/8" copper tubing, 3/8"
rigid pipe or an approved flex connector.
Since some municipalities have some
additional local codes, it is always best to
consult your local authority and the CAN/
CGA-B149 (1. or .2) Installation code or for
U.S.A Installations consult the current
National Fuel Gas Code, ANSI Z223.1
PILOT
ADJ
TH
TP
TP TH
HONEYWELLVALVE
Fig. 8

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V
V
V
V
V
V
V
V
V
X
X
X
D
E
B
BB
C
BM
B
A
JK
A
F
L
G
G
TERMINATION CAP AIR SUPPLY INLET GAS METER RESTRICTED AREA
(TERMINATION PROHIBITED)
H
I
Fixed
Closed
Fixed
Closed
Openable
Openable Fixed
Closed
G
G
N
N
Your fireplace is approved to be vented either through
the side wall, or vertical through the roof.
- Only Majestic venting components specifically
approved and labelled for this fireplace may be
used.
- Minimum clearances between vent pipes and
combustible materials is one (1") inch (25 mm),
except where stated otherwise.
- 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.
A = clearance above grade, veranda, porch, deck, or
balcony [* 12 inches (305mm) minimum]
B = clearance to window or door that may be opened
12" (306mm).
C = clearance to permanently closed window [minimum
12 inches (305mm) recommended to prevent con-
densation on window]
D = vertical clearance to ventilated soffit located above
the termina/ within a horizontal distance of 24 inches
(610mm) from the centre-line of the terminal [18
inches (458mm) minimum]
E = clearance to unventilated soffit [12 inches (305mm)
minimum
F = clearance to outside comer see next page
G = clearance to inside comer see next page
H = * not to be installed above a meter/regulator assem-
bly within 36 inches (914mm) horizontally from the
centre-line of the regulator
† aventshall not terminatedirectlyabovea side-walkorpaveddriveway which islocatedbetweentwo single family
dwellings and serves both dwellings *
‡ only permitted if veranda, porch, deck, is fully open on a minimum 2 sides beneath the floor *
* asspecifiedinCAN/CGAB149(.1or.2)InstallationCodes(1991)forCanadaorforU.S.A.Installationsfollowthe
currentNational Fuel Gas Code, ANSI Z223.1.
Note: Local codes or regulations may require different clearances.
I = clearance to service regulator vent outlet [*72 inches
(1828mm)minimum]
J = clearance to non-mechanical air supply inlet to
building or the combustion air inlet to any other
fireplace [ *12 inches (305mm) minimum]
K = clearance to a mechanical air supply inlet [* 72 inches
(1828mm)minimum]
L = † clearance above paved side-walk or a paved
driveway located on public property [*84 inches
(2133mm)minimum]
M = clearance under veranda, porch, deck [*12 inches
(305mm) minimum ‡]
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 obstruciton
within a horizontal distance of 18" (450mm).
Theremustnotbeanyobstructionsuchasbushes,garden
sheds,fences, decks or utility buildings within24"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
Itisimperativethattheventterminationbelocatedobserv-
ing the minimum clearances as shown on this page.
* Check with local codes or in absence of same with CAN/CGA
B149(.1or.2)InstallationCodes(1991)forCanadaorforU.S.A.
Installations follow the current National Fuel Gas Code, ANSI
Z223.1.
GENERAL VENTING

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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&
Non-Combustible
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)
CD
C
E
V
V
Combustible &
Non-Combustible
VV
V
Fig. 11
BEAD LOCATION
1" FROM CRIMPED END OF PIPE
1''
Screw Holes
Join pipes and secure joints with three (3) sheetmetal screws. (See Fig. 12) Wipe off excess sealant.
Before joining elbows and pipes apply a bead of high temperature sealant to crimped end of elbow or pipe. (Fig.12)
Fig. 12
GENERAL INFORMATION ON ASSEMBLING
THE VENT PIPES WITH CRIMPED ENDS

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For some installations, it may be desireable
to have some amount of the horizontal vent
run immediately after the fireplace. A verti-
cal rise must be used but can be located
anywhere in the vent system, to meet the
perimeters identified in the venting graph.
*IMPORTANT* Minimum clearance between vent pipes
and combustible materials is one (1") inch (25 mm) on
bottom, sides and top.
Join pipes and secure joints with three (3) sheetmetal
screws. (See Fig. 12) Wipe off excess sealant.
GENERAL INFORMATION ON ASSEMBLING
THE VENT PIPES WITH CRIMPED ENDS
BEAD LOCATION
1" FROM CRIMPED END OF PIPE
1''
Screw Holes
Only Majestic venting components
specifically approved and labelled for
this fireplace may be used.
Fig. 12
Before joining elbows and pipes apply a bead of high
temperature sealant to crimped end of 4" and 7" elbow or
pipe. (Fig. 12)
Since it is very important that the venting system
maintainitsbalancebetweenthecombustionairintake
andthe flue gas exhaust,certain limitations astovent
configurations apply and must be strictly adhered to.
The graph showing the relationship between vertical and
horizontal side wall venting will help to determine the
various vent lengths allowable. Fig. 17.
Vent Starter Kit 7DVSK must be used in
Vertical Sidewall installations.
VERTICAL SIDEWALL APPLICATIONS
Minimum clearance between vent pipes and
combustible materials is one (1") inch (25
mm) on top, bottom and sides unless
otherwise noted.
When vent termination exits through
foundationlessthan20"belowsidingoutcrop,
thevent pipe mustflush up with thesiding. A
7DVSS must also be used.
It is always best to locate the fireplace in such a way that
minimizes the number of offsets and horizontal vent
length.
The horizontal vent run refers to the total
length of vent pipe from the flue collar of the
fireplace to the face of the outer wall.
Horizontal plane means no vertical rise
exists on this portion of the vent assembly.
Fig. 13
The maximum number of 90 degree elbows per side wall
installation is three (3).
The maximum number of 45 degree elbows permitted per
side wall installation is two (2). These elbows can be
installed in either the vertical or horizontal run.
Themaximum horizontalvent lengthis36" (914mm)when
90º elbow is installed directly onto fireplace.
Fig. 14
For each 45 degree elbow installed in the
horizontal run (while maintaining a constant
horizontal plane), the length of the horizontal
run MUST be reduced by 18" (457mm). This
does not apply if the 45 degree elbows are
installed on the vertical part of the vent sys-
tem.
20 ft. (6100mm)
90" (2286mm)
PIPE STRAPS
EVERY 3 ft.
(914mm)
PIPE STRAPS
EVERY 3 ft.(914mm)
FIRESTOP/ZERO
CLEARANCE SLEEVE
3 FT
(92cm)

- 11 -
If a 90 degree elbow is used in the horizon-
tal vent run (level height maintained) the
maximum horizontal vent length is reduced
by 36 inches. Fig. 15. This does not apply if
the 90 degree elbows are used to increase
or redirect a vertical rise.
The maximumnumberofelbowdegreesinasystemis
270º.
Sample: 1 - 90º
2 - 45º
3 - 45º
4 - 90º
Total 270º
Fig. 15
HOW TO USE THE VENT GRAPH
1. Determine the height of the centre of the horizontal
vent pipe exiting through the outer wall. Using this
dimension on the Sidewall Vent Graph (Fig. 17),
locate the point it intersects with the slanted graph
line.
2. From the point of this intersection, draw a vertical
line to the bottom of the graph.
3. Select the indicated dimension, and position the
fireplace in accordance with same.
EXAMPLE A:
If the vertical dimension from the floor of the unit is 11
feet (3352mm) the horizontal run to the face of the outer
wall must not exceed 14 feet (4267mm).
EXAMPLE B:
If the vertical dimension from the floor of the unit is 7 feet
(2133mm), the horizontal run to the face of the outer wall
must not exceed 8-1/2 feet (2590mm).
Example: According to the vent chart the maximum
horizontalvent lengthis 20'whenthe verticalheight is7.5'
from fireplace base height. If one 90 degree elbow is
required in the horizontal vent it must be reduced to 17'.
Fig. 16
VERTICAL SIDEWALL VENTING GRAPH
(Dimensions in Feet)
SEE PAGE 14 FOR VENTING
REQUIREMENTS FOR SNORKELS.
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
eg: A
eg: B
VERTICAL DIMENSION FROM THE FLOOR OF THE UNIT
TO THE CENTRE OF THE HORIZONTAL VENT PIPE
Fig. 17
90"
2286mm
84"
2134mm 120"
3048mm
90ºelbow=3'

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COMBUSTIBLEWALLS(Fig.18): Cuta9-3/8"Hx9-3/8"W(240
mmx240mm)holethroughtheexteriorwallandframeasshown.
NON-COMBUSTIBLE WALLS (Fig. 19): Hole opening must be
7.5" (190 mm) in diameter.
(240mm)
9-
3/8 "
9-
3/8 "
(240mm)
7-
1/2 "
(190mm)
Vent Opening —
Combustible Wall
Vent Opening —
Noncombustible Wall
(framing detail)
Fig. 18
STEP 1
Locateventopeningonthewall. Itmaybenecessarytofirst
position the fireplace and measure to obtain hole location.
Depending on whether the wall is combustible or non-
combustible, cut opening to size.
(For combustible walls first frame in opening).
VERTICAL SIDEWALL INSTALLATION
STEP 2
Fig. 20. Measure wall thickness and cut adjustable zero
clearance sleeve parts to proper length (MAXIMUM 12"/
305mm). Adjust sleeve to minimum (9-3/8" x 9-3/8") and
attach to firestop with #8 sheet metal screws (supplied).
Install firestop assembly.
STEP 2
Zero clearance sleeve is only required for
combustible walls.
VERTICAL SIDEWALL APPLICATION
Fig. 20
#8
SCREWS(2)
ADJUSTABLE ZERO
CLEARANCE SLEEVE
ADJUSTABLE
ZERO CLEARANCE
SLEEVE
#8
SCREWS(2)
#8
SCREWS(2)
Maximum Length
12" (294mm)
FIRESTOP
Fig. 21
STEP 4
(Fig. 22) Measure the horizontal length requirement
including a 2" (50mm)overlap, i.e. from the elbow to the
outside wall finish plus 2" (or the distance required if
installing a second 90º elbow).
STEP 3
(Fig. 21) Apply a bead of high temperature sealant to the
inner and outer flue collars of the fireplace and using
appropriate ventingcomponent(s)attachtofireplacewith
three (3) screws. Follow with the installation of the inner
andouter elbow. Againsecure joints withthree (3)sheet
metal screws. Wipe off any excess high temperature
sealant.
Always
install
horizontal
venting on
a level
plane.
Fig. 22
BEAD OF SEALANT
X
x
Fig. 19

- 13 -
Sealing vent pipe and firestop gaps with hi-
temperature sealant will restrict cold air being
drawn in around fireplace.
STEP 5
(Fig. 23) Use the appropriate length of pipe section –
telescopic or fixed – and install. The 20" (508mm) section
of pipe which goes through the wall is packaged with the
7DVSK kit, and can be cut to suit if necessary.
STEP 6
(Fig. 24) Apply high temperature sealant to 4" and 7"
collars one inch away from crimped end. Guide the vent
termination 4" and 7" collars into their respective vent
pipes. Doublecheckthattheventpipesoverlapthecollars
by 2" (50mm). Secure the termination to the wall with
screws provided and caulk around the wall plate to
weatherproof.
STEP 7
Support the horizontal pipes every 36 inches (914mm)
with metal pipe straps. Make sure that the horizontal vent
pipe is installed on a level horizontal plane.
STEP 8
Recheck the fireplace to make sure that it is levelled,
properly positioned, and nailed or screwed to the floor.
If applied, the fireplaces adjustable frame drywall strips
(nailing flanges) should be fastened. See "Framing &
Finishing.
Fig. 24
Fig. 23
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,
,








,
,
,



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- 14 -
DO NOT BACK FILL AROUND SNORKEL.
SOIL SHOULD NOT BE LESS THAN 4"
(100mm) BELOW SNORKEL.
FOUNDATION
RECESS SNORKEL
SCREWS
WALL
SCREWS
SHEET METAL
WATERTIGHT
SEAL
AROUND
PIPE
If the foundation is recessed, use recess brackets (not
supplied) for securing lower portion of the snorkel. Fasten
brackets to wall first and then secure to snorkel with self
drilling #8 x 1/2 sheet metal screws. It will be necessary to
extend vent pipes out as far protruding wall face (Fig. 26).
VERTICAL THROUGH THE
ROOF APPLICATIONS
This Gas Fireplace has been approved for,
a) Verticalinstallationsupto40feet(12 metres)inheight.
Up to a 10 ft.(3048mm) horizontal vent run can be
installed within the vent system using a maximum of
three 90°elbows.
b) Uptotwo45°elbowsmaybeusedwithinthehorizontal
run. For each 45°elbow used on the horizontal level
themaximumhorizontal lengthmustbereduced by18
inches (457mm).
Example: Maximum horizontal length
0-45°elbows 10 ft. (3048mm)
1-45°elbows 8.5 ft. (2590mm)
2-45°elbows 7 ft. (2133mm)
BELOW GRADE INSTALLATIONS
When it is not possible to meet the required vent terminal
clearances of 12 inches (305mm) above grade level a
model #7DVSKS vent kit is required. It allows installation
depthofdownto7inches(178mm)belowgradelevel. The
7inchesis measuredfrom thecentreof thehorizontal vent
pipe as it penetrates through the wall.
If venting system is installed below ground,
we recommend a window well with adequate
and proper drainage.
Ensure sidewall venting clearances are observed.
The maximum horizontal run with 24" (610mm)
vertical rise is 36" (914mm) from the back of
the fireplace to the face of the exterior wall.
See vent graph (Fig. 17) for extended horizontal
run if the vertical exceeds 24" (610mm).
1. Establish vent hole through the wall. See page 12
2. Remove soil to a depth of approximately 16"
(406mm) below base of snorkel. Install window well
(not supplied). Refill hole with 12" (305mm) of
coarse gravel leaving a clearance of approximately
4" (100mm)below snorkel. (Fig. 25)
3. Install vent system. See page 12/13, Steps 2
through 5.
4. Ensure a watertight seal is made around the vent
pipe coming through the wall.
5. Apply high temperature sealant caulking (supplied)
around the 4 and 7 inch 7DVSKS's snorkel collars.
6. Slide into vent pipe and secure to the wall.
7. Level the soil so as to maintain a 4"
(100mm)clearance below snorkel (Fig. 25). Fig. 27
c) A minimum of an 8 ft. vertical rise.
d) Two sets of 45 degree elbow offsets within these
vertical installations. From 0 to a maximum of 8 ft.
(2438mm) a vent pipe can be used between elbows.
(Fig. 28)
e) 7DVCS must be used to support offsets. (Fig. 29)
Thisapplicationwillrequirethatyoufirstdeterminetheroof
pitch and use the appropriate 7DVSKV (A,B or F). (see
Venting Components, page 16)
Fig. 25
Fig. 26
GRAVEL
DRAIN
FIRESTOP
FOUNDATION WALL
WINDOW WELL
7DVSKS (SNORKEL)
GROUND
24"/608mm
MINIMUM*
7" PIPE SCREWS MINIMUM
4" CLEARANCE
ZERO CLEARANCE
SLEEVE IF REQUIRED
A minimum of 24"/608mm
vertical pipe must be installed when
using the 7DVSKS/7TDVSKS kit.
The 22" vertical rise (center to
center) of the snorkel may be
included for calculation of max.
horizontal run.
*
*
MAXIMUM
10 FT
(3048mm)
PIPE STRAPS
EVERY 3’
(914mm)
MINIMUM
8 FT./
MAXIMUM
40 FT.
VERTICAL
RISE

- 15 -
TYPICAL STRAIGHT-UP INSTALLATION
40 FEET
(12.2m)
ATTIC INSULATION
SHIELD
JOISTS
ROOF
VENT TERMINATION
ATTIC INSULATION
ROOF SUPPORT
STORM COLLAR
ROOF FLASHING
2' Min.
CEILING JOISTS
Fig. 33
1. Locate your fireplace.
2. Plumbtocentreofthe(4")collarfromceilingaboveand
mark position.
3. Cut opening equal to 9-3/8" x 9-3/8" (240 mm x 240
mm).
4. Proceed to plumb for additional openings through the
roof.Inallcases,theopeningmustprovideaminimum
of 1 inch clearance to the vent pipe, i.e., the hole must
be a minimum of 9-3/8" x 9-3/8" (240 mm x 240 mm).
5. Placefirestop(s)7DVFSintopositionandsecure.(Fig.
32)
6. Install roof support (Fig. 30) and roof flashing making
sure upper flange of flashing is below the shingles.
(Fig. 33)
7. Install appropriate pipe sections until above the flash-
ing. (See Fig. 31 for #'s 7, 8 and 9).
8. Install storm collar and seal around the pipe.
9. Add additional vent lengths for proper height.
10. Apply high temperature sealant to 4" and 7" collars of
vent termination and install.
VERTICAL THRU THE ROOF INSTALLATION
Fig. 32 If there is a room above ceiling level,
firestop spacer must be installed on both the
bottomandthetopsideoftheceiling joists. Ifan
attic is above ceiling level a 7DVAIS (Attic
Insulation Shield) must be installed.
Fig. 33. The enlarged ends of the vent section
always face downward.
SEALANT
SHEETMETAL
SCREWS (#5) —
3 PER JOINT
STORM
COLLAR
JOIST
11"
11"
Attic
Insulation
Shield
Ceiling
Installation
JOIST
NAILS (4)
FIRESTOP
SPACER
11"
11"
UPPER FLOOR
Fig. 32
Fig. 29
Fig. 30
TYPICAL 7DVCS
APPLICATION
TYPICAL ROOF
SUPPORT
APPLICATION
Fig. 31
Fig. 28
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
obstruciton within a horizontal dis-
tance of 18" (450mm).
45°
45°
2438mm
MAX.
8 FEET
2438mm
MAX.
8 FEET
TYPICAL OFFSET INSTALLATION
40 FEET
(12.2m)

- 16 -
CRIMPED ENDS VENTING COMPONENTS
Starter Kit -Model 7DVSK - Sidewall Venting
Starter Kit - Model 7DVSKV - Vertical Venting
for 7DVSKV-A order 1/12 to 6/12 roof pitch
for 7DVSKV-B order 7/12 to 12/12 roof pitch
for 7DVSKV-F order flat roof
Starter Kit - Model 7DVSKS -Snorkel Kit
for Below Grade Installation
45º elbow kit
7DVT45 for Vertical Installation Offsets
90º transition elbow kit
7DVRT90 for Vertical Sidewall Applications
or thru-the-roof.
Telescopic vent sections
7DVP610 - 6" to 10" adjustable length
7DVP1018 - 10" to 18" adjustable length
7DVP1834 - 18" to 34" adjustable length
7DVP3466 - 34" to 66" adjustable length
Pipe sections for vertical or horizontal venting
Model 7DVP8" - 4 per box
Model 7DVP12" - 4 per box
Model 7DVP24" - 4 per box
Model 7DVP36"
Model 7DVP48"
Firestop Spacer
Model 7DVFS
Attic Insulation Shield
Model 7DVAIS
Vertical/Horizontal Combination Offset Support
Model 7DVCS
7DVSS Siding Shield (to protect siding)

- 17 -
GENERAL INFORMATION ON ASSEMBLING
THE TWIST LOCK VENT PIPES
When using CFM Majestic twist lock pipe it is not neces-
sary to use silicone to seal the twist lock joints. The only
areas that need silicone are the collars on the fireplace,
the telescoping pipe (if used) and the horizontal termina-
tion connection (when necessary).
To join the pipes together, simply align the beads of the
male end with the grooves of the female end and while
joining the two together, twist the pipe until the flange on
the female end touches the external bead on the male
end. Secure the joints with three sheet metal screws.
To make easier to assembly, we suggest putting lubri-
cant (vaseline or similar) on the male end of the twist
lock pipe.
TWIST LOCK PIPE JOINT
Screw Holes
Fig. 34
Crimped pipe and new twist lock pipe.
It is possible to use CFM Majestic 4" & 7" direct vent
crimped pipe and elbows in your system, with the new
CFM Majestic 4" & 7" Direct Vent Twist Lock Pipe.
You must use the crimped pipe first in the system off
the appliance.
1. Install expanded end of crimped pipe or elbow onto
the 4" & 7" collars off the fireplace with high tem-
perature sealant and 3 screws.
2. If you wish to continue your system with your 4" & 7"
crimped pipe or elbow apply high temperature
sealant on crimped end of pipe at 2" in from end and
fasten the next pipe with 3 sheet metal screws.
3. When you wish to continue your system with the
New Twist Lock pipe or elbow, apply high tempera-
ture sealant on crimped end of pipe at 1-1/2" from
end, and slip the female end of the twist lock pipe
over the crimped end of the pipe and secure with 3
sheet metal screws. Continue the installation with
twist lock pipe placing the female end over the male
end and fastening with 3 sheet metal screws.
You do not have to use high temperature sealant
when using twist lock pipe between the female and
male ends of the twist lock.
Except on: 1.Adjustable lengths (telescoping joint only)
2.Crimped collar on existing fireplaces.
3.Terminations where required.
Since it is very important that the venting system
maintainitsbalancebetweenthecombustionairintake
andthe flue gas exhaust,certain limitations astovent
configurations apply and must be strictly adhered to.
The graph showing the relationship between vertical and
horizontal side wall venting will help to determine the
various vent lengths allowable. Fig. 39.
Vent Starter Kit 7TDVSK must be used in
Vertical Sidewall installations.
VERTICAL SIDEWALL APPLICATIONS
Minimum clearance between vent pipes and
combustible materials is one (1") inch (25
mm) on top, bottom and sides unless
otherwise noted.
When vent termination exits through
foundationlessthan20"belowsidingoutcrop,
thevent pipe mustflush up with thesiding. A
7DVSS must also be used.
It is always best to locate the fireplace in such a way that
minimizes the number of offsets and horizontal vent
length.
The horizontal vent run refers to the total
length of vent pipe from the flue collar of the
fireplace to the face of the outer wall.
Horizontal plane means no vertical rise
exists on this portion of the vent assembly.
Fig. 35
For some installations, it may be desireable
to have some amount of the horizontal vent
run immediately after the fireplace. A verti-
cal rise must be used but can be located
anywhere in the vent system, to meet the
perimeters identified in the venting graph.
20 ft. (6100mm)
90" (2286mm)
PIPE STRAPS
EVERY 3 ft.
(914mm)
PIPE STRAPS
EVERY 3 ft.(914mm)
FIRESTOP/ZERO
CLEARANCE SLEEVE

- 18 -
The maximum number of 90 degree elbows per side wall
installation is three (3).
The maximum number of 45 degree elbows permitted per
side wall installation is two (2). These elbows can be
installed in either the vertical or horizontal run.
Themaximum horizontalvent lengthis36" (914mm)when
90º elbow is installed directly onto fireplace.
Fig. 36
For each 45 degree elbow installed in the
horizontal run (while maintaining a constant
horizontal plane), the length of the horizontal
run MUST be reduced by 18" (457mm). This
does not apply if the 45 degree elbows are
installed on the vertical part of the vent sys-
tem.
If a 90 degree elbow is used in the horizontal
vent run (level height maintained) the maxi-
mum horizontal vent length is reduced by 36
inches. Fig. 36. This does not apply if the 90
degree elbows are used to increase or redi-
rect a vertical rise.
The maximumnumberofelbowdegreesinasystemis
270º.
Sample: 1 - 90º
2 - 45º
3 - 45º
4 - 90º
Total 270º
Example: According to the vent chart the maximum
horizontalvent lengthis 20'whenthe verticalheight is7.5'
from fireplace base height. If one 90 degree elbow is
required in the horizontal vent it must be reduced to 17'.
Fig. 38
Fig. 37
3 FT
(92cm)
90"
2286mm
84"
2134mm 120"
3048mm
90ºelbow=3'

- 19 -
HOW TO USE THE VENT GRAPH
1. Determine the height of the centre of the horizontal
vent pipe exiting through the outer wall. Using this
dimension on the Sidewall Vent Graph (Fig. 39),
locate the point it intersects with the slanted graph
line.
2. From the point of this intersection, draw a vertical
line to the bottom of the graph.
3. Select the indicated dimension, and position the
fireplace in accordance with same.
EXAMPLE A:
If the vertical dimension from the floor of the unit is 11
feet (3352mm) the horizontal run to the face of the outer
wall must not exceed 14 feet (4267mm).
EXAMPLE B:
If the vertical dimension from the floor of the unit is 7 feet
(2133mm), the horizontal run to the face of the outer wall
must not exceed 8-1/2 feet (2590mm).
VERTICAL SIDEWALL VENTING GRAPH
(Dimensions in Feet)
SEE PAGE 21 FOR VENTING
REQUIREMENTS FOR SNORKELS.
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
eg: A
eg: B
VERTICAL DIMENSION FROM THE FLOOR OF THE UNIT
TO THE CENTRE OF THE HORIZONTAL VENT PIPE
Fig. 39
COMBUSTIBLEWALLS(Fig.40): Cuta9-3/8"Hx9-3/8"W(240
mmx240mm) holethrough theexteriorwallandframeasshown
NON-COMBUSTIBLE WALLS (Fig. 41): Hole opening must be
7.5" (190 mm) in diameter.
(240mm)
9-
3/8 "
9-
3/8 "
(240mm)
7-
1/2 "
(190mm)
Vent Opening —
Combustible Wall
Vent Opening —
Noncombustible Wall
(framing detail)
Fig. 41
STEP 1
Locateventopeningonthewall. Itmaybenecessarytofirst
position the fireplace and measure to obtain hole location.
Depending on whether the wall is combustible or non-
combustible, cut opening to size.
(For combustible walls first frame in opening).
VERTICAL SIDEWALL INSTALLATION
STEP 2
Fiig. 42. Measure wall thickness and cut adjustable zero
clearance sleeve parts to proper length (MAXIMUM 12"/
305mm). Adjust sleeve to minimum (9-3/8" x 9-3/8") and
attach to firestop with #8 sheet metal screws (supplied).
Install firestop assembly.
STEP 2
Zero clearance sleeve is only required for
combustible walls.
VERTICAL SIDEWALL APPLICATION
Fig. 40

- 20 -
Fig.44
Fig. 42
#8
SCREWS(2)
ADJUSTABLE ZERO
CLEARANCE SLEEVE
ADJUSTABLE
ZERO CLEARANCE
SLEEVE
#8
SCREWS(2)
#8
SCREWS(2)
Maximum Length
12" (294mm)
FIRESTOP
Fig. 43
STEP 4
(Fig. 44) Measure the horizontal length requirement
including a 2" (50mm)overlap, i.e. from the elbow to the
outside wall finish plus 2" (or the distance required if
installing a second 90º elbow).
STEP 3
(Fig. 43) Apply a bead of high temperature sealant to the
inner and outer flue collars of the fireplace and using
appropriate ventingcomponent(s)attachtofireplacewith
three (3) screws. Follow with the installation of the inner
andouter elbow. Againsecure joints withthree (3)sheet
metal screws. Wipe off any excess high temperature
sealant.
Always
install
horizontal
venting on
a level
plane.
BEAD OF SEALANT
Sealing vent pipe and firestop gaps with hi-
temperature sealant will restrict cold air being
drawn in around fireplace.
STEP 5
(Fig. 45) Use the appropriate length of pipe section –
telescopic or fixed – and install. The 20" (508mm) section
of pipe which goes through the wall is packaged with the
7TDVSK kit, and can be cut to suit if necessary.
STEP 6
(Fig. 46) Apply high temperature sealant to 4" and 7"
collars one inch away from crimped end. Guide the vent
termination 4" and 7" collars into their respective vent
pipes. Doublecheckthattheventpipesoverlapthecollars
by 2" (50mm). Secure the termination to the wall with
screws provided and caulk around the wall plate to
weatherproof.
Fig. 45
X