Napoleon Castlemore GDS26N User manual

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W415-0827 / D / 08.10.12
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE.
NEVER LEAVE CHILDREN OR OTHER AT RISK INDIVIDUALS ALONE WITH THE APPLIANCE
INSTALLATION AND
OPERATING INSTRUCTIONS
Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON, L4M 0G8 Canada /
103 Miller Drive, Crittenden, Kentucky, USA, 41030
Phone [phone] • Fax [phone] • www.napoleonfireplaces.com • [email protected]
1.28C
$10.00
CERTIFIED FOR CANADA AND UNITED STATES USING ANSI/CSA METHODS.
HOT GLASS WILL CAUSE
BURNS.
DO NOT TOUCH GLASS UNTIL
COOLED.
NEVER ALLOW CHILDREN TO
TOUCH GLASS.
!
WARNING
SAFETY INFORMATION
!WARNING
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
- WHAT TO DO IF YOU SMELL GAS:
• 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
neighbour’s phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the
fire department.
- Installation and service must be performed by a
qualified installer, service agency or the supplier.
This appliance may be installed in an aftermarket,
permanently located, manufactured home (USA
only) 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.
If the information in these instructions
are not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.
CERTIFIED FOR CANADA AND UNITED STATES USING ANSI/CSA METHODS.
CERTIFIED UNDER CANADIAN AND AMERICAN NATIONAL STANDARDS: ANSI Z21.50 • CSA 2.22 FOR VENTED GAS FIREPLACES.
GDS26N
NATURAL GAS
GDS26P
PROPANE

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W415-0827 / D / 08.10.12
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.
TABLE OF CONTENTS
1.0 INSTALLATION OVERVIEW 3
2.0 INTRODUCTION 4
2.1 DIMENSIONS 5
2.2 GENERAL INSTRUCTIONS 5
2.3 GENERAL INFORMATION 6
2.4 RATING PLATE INFORMATION 7
3.0 VENTING 8
3.1 VENTING LENGTHS AND COMPONENTS 8
3.2 TYPICAL VENT INSTALLATION 9
3.3 SPECIAL VENT INSTALLATIONS 11
3.3.1 PERISCOPE TERMINATION 11
3.3.2 CORNER TERMINATION 11
3.4 MINIMUM AIR TERMINAL LOCATION CLEARANCES 12
3.5 VENTING APPLICATION FLOW CHART 13
3.6 DEFINITIONS 13
3.7 ELBOW VENT LENGTH VALUES 14
3.8 TOP EXIT HORIZONTAL TERMINATION 14
3.9 REAR EXIT HORIZONTAL TERMINATION 16
3.10 TOP OR REAR EXIT VERTICAL TERMINATION 18
3.11 VERTICAL THROUGH EXISTING CHIMNEY 21
3.12 REAR VENT CONVERSION 22
4.0 INSTALLATION 23
4.1 WALL AND CEILING PROTECTION 23
4.1.1 HORIZONTAL INSTALLATION 24
4.1.2 VERTICAL INSTALLATION 24
4.1.3 APPLIANCE VENT CONNECTION 25
4.1.4 HORIZONTAL AIR TERMINAL INSTALLATION 25
4.1.5 EXTENDED HORIZONTAL AND CORNER TERMINAL INSTALLATION 26
4.1.6 VERTICAL AIR TERMINAL INSTALLATION 27
4.2 MOBILE HOME INSTALLATION 28
4.3 GAS INSTALLATION 29
4.4 MINIMUM CLEARANCE TO COMBUSTIBLES 30
5.0 ELECTRICAL CONNECTION 32
5.1 WIRING DIAGRAM 32
6.0 FINISHING 33
6.1 GLASS DOOR 33
6.2 DOOR GLASS REPLACEMENT 34
6.3 LOG PLACEMENT 34
6.4 CHARCOAL EMBERS 35
6.5 VERMICULITE 35
6.6 GLOWING EMBERS 35
6.7 LOGO PLACEMENT 35
7.0 OPTIONAL BLOWER INSTALLATION 36
8.0 OPERATION 37
8.1 SWITCH FUNCTIONS 37
9.0 ADJUSTMENTS 38
9.1 PILOT INJECTOR AND ORIFICE REPLACEMENT 38
9.2 PRESSURE CHECK 38
9.3 FLAME CHARACTERISTICS 39
9.4 VENTURI ADJUSTMENT 39
9.5 RESTRICTING VERTICAL VENTS 39
10.0 MAINTENANCE 40
10.1 NIGHT LIGHTTM REPLACEMENT 40
10.1.1 BULB REPLACEMENT 40
10.1.2 LENS ASSEMBLY INSTALLATION 41
10.1.3 LENS ASSEMBLY REPLACEMENT 41
10.2 CARE OF GLASS 41
11.0 REPLACEMENTS 42
12.0 TROUBLESHOOTING 46
13.0 WARRANTY 49
14.0 SERVICE HISTORY 50

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Door, see “GLASS DOOR
INSTALLATION AND
REMOVAL” section.
Rating Plate, see
“RATING PLATE
INFORMATION” section.
Top vent, see “REAR VENT
CONVERSION” section.
Venting, see “VENTING”
section.
Blower, see “OPTIONAL
BLOWER INSTALLATION”
section.
1.0 INSTALLATION OVERVIEW

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2.0 INTRODUCTION
3.1C
!
WARNING
• THIS APPLIANCE IS HOT WHEN OPERATED AND CAN CAUSE SEVERE BURNS IF CONTACTED.
• ANY CHANGES TO THIS APPLIANCE OR IT’S CONTROLS CAN BE DANGEROUS AND IS PROHIBITED.
• Do not operate appliance before reading and understanding operating instructions. Failure to operate appliance
according to operating instructions could cause fire or injury.
• Risk of fire or asphyxiation do not operate appliance with fixed glass removed.
• Do not connect 110 volts to the control valve.
• Risk of burns. The appliance should be turned off and cooled before servicing.
• Do not install damaged, incomplete or substitute components.
• Risk of cuts and abrasions. Wear protective gloves and safety glasses during installation. Sheet metal edges may be
sharp.
• Do not burn wood or other materials in this appliance.
• Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or
clothing ignition.
• Young children should be carefully supervised when they are in the same room as the appliance. Toddlers,
young children and others may be susceptible to accidental contact burns. A physical barrier is recommended if there
are at risk individuals in the house. To restrict access to an appliance or stove, install an adjustable safety gate to keep
toddlers, young children and other at risk individuals out of the room and away from hot surfaces.
• Clothing or other flammable material should not be placed on or near the appliance.
• Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.
• Ensure you have incorporated adequate safety measure to protect infants/toddlers from touching hot surfaces.
• Even after the appliance is out, the glass and/or screen will remain hot for an extended period of time.
• Check with your local hearth specialty dealer for safety screens and hearth guards to protect children from hot surfaces.
These screens and guards must be fastened to the floor.
• Any safety screen or guard removed for servicing must be replaced prior to operating the appliance.
• The appliance is a vented gas-fired appliance. Do not burn wood or other materials in the appliance.
• It is imperative that the control compartments, burners and circulating blower and its passageway in the appliance
and venting system are kept clean. The appliance and its venting system should be inspected before use and at least
annually by a qualified service person. More frequent cleaning may be required due to excessive lint from carpeting,
bedding material, etc. The appliance area must be kept clear and free from combustible materials, gasoline and other
flammable vapors and liquids.
• Under no circumstances should this appliance be modified.
• This appliance must not be connected to a chimney flue pipe serving a separate solid fuel burning appliance.
• Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and any gas control which has been under water.
• Do not operate the appliance with the glass door removed, cracked or broken. Replacement of the glass should be done
by a licensed or qualified service person.
• Do not strike or slam shut the appliance glass door.
• When equipped with pressure relief doors, they must be kept closed while the appliance is operating to prevent exhaust
fumes containing carbon monoxide, from entering into the home. Temperatures of the exhaust escaping through these
openings can also cause the surrounding combustible materials to overheat and catch fire.Only doors / optional fronts
certified with the unit are to be installed on the appliance.
• Only doors / optional fronts certified with the unit are to be installed on the appliance.
• Keep the packaging material out of reach of children and dispose of the material in a safe manner. As with all plastic
bags, these are not toys and should be kept away from children and infants.
• As with any combustion appliance, we recommend having your appliance regularly inspected and serviced as well as
having a Carbon Monoxide Detector installed in the same area to defend you and your family against Carbon Monoxide.
• Ensure clearances to combustibles are maintained when building a mantel or shelves above the appliance. Elevated
temperatures on the wall or in the air above the appliance can cause melting, discolouration or damage to decorations, a
T.V. or other electronic components.
• This appliance uses and requires a fast acting thermocouple. Replace only with a fast acting thermocouple supplied by
Wolf Steel Ltd.

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2.1 DIMENSIONS
35 1/2”
37”
18
1
/ 8 ”
23
5
/ 8 ”
4” DIA. 7” DIA.
GAS
LINE
ACCESS
ELECTRICAL
ACCESS
29
1
/ 8 ”
2.2 GENERAL INSTRUCTIONS
THIS GAS APPLIANCE SHOULD BE INSTALLED AND SERVICED BY A QUALIFIED INSTALLER to
conform with local codes. Installation practices vary from region to region and it is important to know the
specifics that apply to your area, for example in Massachusetts State:
• This product must be installed by a licensed plumber or gas fitter when installed within the commonwealth
of Massachusetts.
• The appliance damper must be removed or welded in the open position prior to installation of an appliance
insert or gas log.
• The appliance off valve must be a “T” handle gas cock.
• The flexible connector must not be longer than 36 inches.
• A Carbon Monoxide detector is required in all rooms containing gas fired appliances.
• The appliance is not approved for installation in a bedroom or bathroom unless the unit is a direct vent
sealed combustion product.
ALWAYS LIGHT THE PILOT WHETHER FOR THE FIRST TIME OR IF THE GAS SUPPLY HAS RUN OUT,
WITH THE GLASS DOOR OPENED OR REMOVED.
PROVIDE ADEQUATE CLEARANCE FOR SERVICING AND OPERATING THE APPLIANCE.
PROVIDE ADEQUATE VENTILATION.
NEVER OBSTRUCT THE FRONT OPENING OF THE APPLIANCE.
OBJECTS PLACED IN FRONT OF THE APPLIANCE MUST BE KEPT A MINIMUM OF 48” FROM THE
FRONT FACE OF THE APPLIANCE.
SURFACES AROUND AND ESPECIALLY ABOVE THE APPLIANCE CAN BECOME HOT. AVOID CONTACT
WHEN THE APPLIANCE IS OPERATING.
FIRE RISK. EXPLOSION HAZARD.
HIGH PRESSURE WILL DAMAGE VALVE. DISCONNECT GAS SUPPLY PIPING BEFORE PRESSURE TESTING GAS
LINE AT TEST PRESSURES ABOVE 1/2 PSIG. CLOSE THE MANUAL SHUT-OFF VALVE BEFORE PRESSURE
TESTING GAS LINE AT TEST PRESSURES EQUAL TO OR LESS THAN 1/2 PSIG.
USE ONLY WOLF STEEL APPROVED OPTIONAL ACCESSORIES AND REPLACEMENT PARTS WITH THIS APPLIANCE.
USING NON-LISTED ACCESSORIES (BLOWERS, DOORS, LOUVRES, TRIMS, GAS COMPONENTS, VENTING
COMPONENTS, ETC.) COULD RESULT IN A SAFETY HAZARD AND WILL VOID THE WARRANTY AND CERTIFICATION.
!
WARNING

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2.3 GENERAL INFORMATION
Expansion / contraction noises during heating up and cooling down cycles are normal and to be expected.
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.
Never obstruct the front opening of the appliance.
4.1A
The installation must conform with local codes or, in
absence of local codes, the National Gas and Propane
Installation Code CSA B149.1 in Canada, or the National
Fuel Gas Code, ANSI Z223.1 / NFPA 54 in the United
States. Suitable for mobile home installation if installed in
accordance with the current standard CAN/CSA Z240MH
Series, for gas equipped mobile homes, in Canada or
A
NSI Z223.1 and NFPA 54 in the United States.
A
s long as the required clearance to combustibles is
maintained, the most desirable and beneficial location
for an appliance is in the center of a building, thereby
allowing the most efficient use of the heat created. The location of windows, doors and the traffic flow in the
room where the appliance is to be located should be considered. If possible, you should choose a location
where the vent will pass through the house without cutting a floor or roof joist.
If the appliance is installed directly on carpeting, vinyl tile or other combustible material other than wood
flooring, the appliance shall be installed on a metal or wood panel extending the full width and depth.
Some appliances have optional fans or blowers. If an optional fan or blower is installed, the junction box must
be electrically connected and grounded in accordance with local codes, use the current CSA C22.1 Canadian
Electrical Code in Canada or the ANSI/NFPA 70 National Electrical code in the United States.
We suggest that our gas
hearth products be installed
and serviced by professionals
who are certied in the U.S.
by the National Fireplace
Institute
® (NFI) as NFI Gas
Specialists
www.ncertied.org
APPLIANCE
NG LP
Altitude (FT) 0-4,500 0-4,500
Max. Input (BTU/HR) 25,000 25,000
Max. Output Steady State (BTU/HR) 20,500 20,500
Efficiency (w/the fan on) 82% 82%
Min. Inlet Gas Supply Pressure 4.5" Water Column 11" Water Column
Max. Inlet Gas Supply Pressure 7" Water Column 13" Water Column
Manifold Pressure (Under Flow Conditions) 3.5" Water Column 10" Water Column
FOR YOUR SATISFACTION, THIS APPLIANCE HAS BEEN TEST-FIRED TO ASSURE ITS OPERATION AND
QUALITY!

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2.4 RATING PLATE INFORMATION
INSTALLER: It is your responsibility to check off the appropriate box on the rating plate according to
the model, venting and gas type of the appliance.
The rating label is located behind the control door and is chained to the appliance. DO NOT REMOVE. For
rating plate location, see “INSTALLATION OVERVIEW” section.
This illustration is for reference only. Refer to the rating plate on the appliance for accurate information.
NOTE: The rating plate must remain with the appliance at all times. It must not be removed.
A2"
B5"
C2"
W385-0373 / G
NOT FOR USE WITH SOLID FUEL
GDS26
GDS26N
CERTIFIED UNDER / HOMOLOGUE SELON LES NORMES: ANSI Z21.50b-2009&6$b-2009 VENTED GAS FIREPLACE / FOYERAU GAZ AVEC EVACUATION.
MANIFOLD PRESSURE: 3.5 INCHES W.C. (NG)
PRESSION AU COLLECTEUR: 3.5" D'UNE
COLONNE D'EAU(GN)
MIN SUPPLY PRESSURE: 4.5" W.C.(NG)
PRESSION D'ALIMENTATION MIN: 4.5" D'UNE
COLONNE D'EAU (GN)
MAX. SUPPLY PRESSURE: 7" W.C. (NG)
PRESSION D'ALIMENTATION MAX: 7" D'UNE
COLONNE D'EAU (GN)
MANIFOLD PRESSURE: 10 INCHES W.C.(LP)
PRESSION AU COLLECTEUR: 10" D'UNE
COLONNE D'EAU (P)
MIN SUPPLY PRESSURE: 11" W.C. (LP)
PRESSION D'ALIMENTATION MIN: 11" D'UNE
COLONNE D'EAU (P)
MAX. SUPPLY PRESSURE: 13" W.C. (LP)
PRESSION D'ALIMENTATION MAX: 13" D'UNE
COLONNE D'EAU (P)
0-4500ft
25,000 BTU/h
17,000 BTU/h
ALTITUDE / ELEVATION
INPUT / ALIMENTATION
REDUCED INPUT /
ALIMENTATION REDUITE
CAUTION: FOR USE WITH GLASS DOORS
CERTIFIED WITH THIS UNIT ONLY.
WARNING: DO NOTADDANY MATERIAL TO
THEAPPLIANCE, WHICH WILL COME IN CONTACT
WITH THE FLAMES, OTHER THAN THAT SUPPLIED
BY THE MANUFACTURER WITH THE APPLIANCE.
THIS VENTED GAS FIREPLACE HEATER IS NOT
FOR USE WITHAIR FILTERS.
ELECTRICAL RATING: BLOWER KIT GS67, 115V
0.5AMP 60HZ THEAPPLIANCE MUST BE VENTED
USING THEAPPROPRIATE WOLF STEEL VENT
KITS. SEE OWNERS INSTALLATION MANUALFOR
VENTING SPECIFICS. MINIMUM AND MAXIMUM
VERTICALVENT LENGTHSARE 3 FEETAND 40
FEET RESPECTIVELY.
MINIMUMAND MAXIMUM HORIZONTAL VENT
LENGTHS ARE 10 INCHESAND 20 FEET
RESPECTIVELY. PROPER REINSTALLATIONAND
RESEALING IS NECESSARYAFTER SERVICING
THE VENT-AIR INTAKE SYSTEM.
MINIMUM CLEARANCE TO COMBUSTIBLE MATERIAL:
VENT TOP 2" TO CEILING FROM
VENT BOTTOM 1" STOVE TOP 12”
VENT SIDES 1"
UN COMBUSTIBLE SOLIDE NE DOIT PAS ETRE UTILSE AVEC CET APPAREIL
EVENT SUPERIEUR 2" ENTRE LE DESSUS
DU FOYER
EVENT INFERIEUR 1" ET LE PLAFOND 12”
COTES DE L'EVENT 1"
A2”
B5”
C2"
LES LONGUEURS HORIZONTALES MINIMALES ET
MAXIMALES SONT 10 POUCES ET 20 PIEDS
RESPECTIVEMENT.
IL EST IMPORTANT DE BIEN REINSTALLER ET
RESCELLER L'EVENTAPRESAVOIR ASSURE LE
MAINTIEN DU SYSTEME DE PRISE D'AIR.
DEGAGEMENTS MINIMAUX DES MATERIAUX
COMBUSTIBLES:
SERIAL NUMBER / NO. DESERIE
0-4500ft
25,000 BTU/h
20,000 BTU/h
CDVS26N GDS26P CDVS26P
WOLF STEEL LTD.
24 NAPOLEON ROAD, BARRIE, ON, L4M 0G8 CANADA
DIRECT VENT VENTED GAS FIREPLACE HEATER. APPROVED FOR BEDROOM, BATHROOM
& BEDSITTING ROOM INSTALLATION. SUITABLE FOR MOBILE HOME INSTALLATION IF
INSTALLED IN ACCORDANCE WITH THE CURRENT STANDARD CAN/CSA Z240MH SERIES
GAS EQUIPPED MOBILE HOMES, IN CANADA OR IN THE UNITED STATES THE
MANUFACTURED HOME CONSTRUCTION AND SAFETY STANDARD, TITLE 24 CFR,
PART 3280. WHEN THIS US STANDARD IS NOT APPLICABLE USE THE STANDARD
FOR FIRE SAFETY CRITERIAFOR MANUFACTURED HOME INSTALLATIONS, SITES
AND COMMUNITIES, ANSI / NFPA 501A.
FOYER À GAZ VENTILÉS À ÉVACUATION DIRECTE. HOMOLOGUE POUR INSTALLATION
DANS UNE CHAMBRE A COUCHER, UNE SALLE DE BAIN ET UN STUDIO.APPROPRIE
POUR INSTALLATION DANS UNE MAISON MOBILE SI SON INSTALLATION CONFORME
AUX EXIGENCES DE LA NORME CAN/CSA Z240MH SERIE DE MAISONS MOBILES
EQUIPEES AU GAZ, EN VIGUEUR AU CANADA OU AUX ETATS-UNIS DE LA NORME
DE SECURITE ET DE CONSTRUCTION DE MAISONS MANUFACTUREES, TITRE 24
CFR, SECTION 3280. DANS LE CAS OU CETTE NORME D'ETATS-UNIS NE PEUT
ETRE APPLIQUEE, SE REFERER A LA NORME RELATIVE AU CRITERE DE
MESURES DE SECURITE CONTRE L'INCENDIE POUR LES INSTALLATIONS DANS
LES MAISONS MANUFACTURES, LES SITES ET LES COMMUNAUTES, ANSI/NFPA
501A.
9700539 (WSL) 4001657 (NGZ)
4001658 (NAC) 4001659 (WUSA)
ATTENTION: UTILISER AVEC LES PORTES
VITREES HOMOLOGUEES SEULEMENTAVEC CETTE
UNITE.
AVERTISSEMENT: N'AJOUTEZ PASACET
APPAREIL AUCUN MATERIAU DEVANT ENTRER EN
CONTACT AVEC LES FLAMMES AUTRE QUE CELUI
QUI EST FOURNIAVEC CET APPAREIL PAR LE
FABRICANT.
CE FOYER À GAZ VENTILÉS NE DOIT PAS ÊTRE
UTILISÉ CONJOINTEMENTAVEC DES FILTRES ÀAIR.
CLASS.: SOUFFLERIE GS67, 115V 0.5AMP
60HZ L'APPAREIL DOIT EVACUER SES GAZ EN
UTILISANT L'ENSEMBLE D'EVACUATION PROPREA
WOLF STEEL. REFERERAU MANUEL
D'INSTALLATION DE PROPRIETAIRE POUR
L'EVACUATION PRECISE. LES LONGUEURS
VERTICALES MINIMALES ET MAXIMALES SONT 3
PIEDS ET 40 PIEDS RESPECTIVEMENT.
S
SAMPLE
A
SA
SA
SA
SA
SA
A
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
A
A
A
A
A
A
A
A
SA
5
C
2"
FIRE
TUDE / ELEVATION
PUT / ALIMENTATION
REDUCED INPUT /
ALIMENTATION REDUITE
ZONTAL VENT
ND 20 FEET
INSTALLATIONAND
ER SERVICING
AKE S
RANCE TO COMBUSTIBLE MAT
VENTTOP 2"
VENT BOTTOM 1"
VENT SIDES
UN COM
GDS
PL
, ON, L4M
ÉVACUAT
COUCHER, UNE
ANS UNE MAISON
ES DE LA NORME CAN/CS
AZ, EN VIGUEUR AU CAN
DE CONSTRUCTION D
DANS LE CAS O
E APPLIQUEE, SE REFERER A L
ESURES DE SECURITE CONTR
ES MAISONS MANUFACTURE
A
4001657 (NGZ)
4001659 (WUSA)
P
P
ATTE
VITRE
UN

8
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3.0 VENTING
7.1A
THIS APPLIANCE USES A 4” EXHAUST / 7” AIR INTAKE VENT PIPE SYSTEM.
Refer to the section applicable to your installation.
For safe and proper operation of the appliance follow the venting instruction exactly. Deviation from the
minimum vertical vent length can create difficulty in burner start-up and/or carboning. Under extreme vent
configurations, allow several minutes (5-15) for the flame to stabilize after ignition. Provide a means for
visually checking the vent connection to the appliance after the appliance is installed. Use a firestop, vent pipe
shield or attic insulation shield when penetrating interior walls, floor or ceiling.
NOTE: If for any reason the vent air intake system is disassembled; reinstall per the instructions
provided for the initial installation.
!
WARNING
RISK OF FIRE, MAINTAIN SPECIFIED AIR SPACE CLEARANCES TO VENT PIPE AND APPLIANCE.
IF VENTING IS INCLUDED WITH SPACERS THE VENT SYSTEM MUST BE SUPPORTED EVERY 3 FEET
FOR BOTH VERTICAL AND HORIZONTAL RUNS. USE SUPPORTS OR EQUIVALENT
NON-COMBUSTIBLE STRAPPING TO MAINTAIN THE REQUIRED CLEARANCE FROM
COMBUSTIBLES. USE WOLF STEEL LTD. SUPPORT RING ASSEMBLY W010-0370 OR EQUIVALENT
NON-COMBUSTIBLE STRAPPING TO MAINTAIN THE MINIMUM CLEARANCE TO COMBUSTIBLES
FOR BOTH VERTICAL AND HORIZONTAL RUNS. SPACERS ARE ATTACHED TO THE INNER PIPE AT
PREDETERMINED INTERVALS TO MAINTAIN AN EVEN AIR GAP TO THE OUTER PIPE. THIS GAP IS
REQUIRED FOR SAFE OPERATION. A SPACER IS REQUIRED AT THE START, MIDDLE AND END OF
EACH ELBOW TO ENSURE THIS GAP IS MAINTAINED. THESE SPACERS MUST NOT BE REMOVED.
3.1 VENTING LENGTHS AND COMPONENTS
Use only Wolf Steel, Simpson Dura-Vent, Selkirk Direct Temp, American Metal Amerivent or Metal-Fab venting
components. Minimum and maximum vent lengths, for both horizontal and vertical installations, and air terminal
locations for either system are set out in this manual and must be adhered to. For Simpson Dura-Vent, Selkirk
Direct Temp, American Metal Amerivent and Metal-Fab follow the installation procedure provided with the venting
components.
A starter adaptor must be used with the following vent systems and may be purchased from the corresponding
supplier:
* For Simpson Dura-Vent, Selkirk Direct Temp, American Metal Amerivent and Metal-Fab follow the
installation procedure found on the website for your venting supplier.
For vent systems that provide seals on the inner exhaust flue, only the outer air intake joints must be sealed using a
red high temperature silicone (RTV). This same sealant may be used on both the inner exhaust and outer intake vent
pipe joints of all other approved vent systems except for the exhaust vent pipe connection to the appliance flue collar
which must be sealed using the black high temperature sealant Mill Pac.
When using Wolf Steel venting components, use only approved Wolf Steel termination kits: wall terminal kit GD175
(7/12’ of venting included), or 1/12 to 7/12 pitch roof terminal kit GD110, 8/12 to 12/12 roof terminal kit GD111, flat
roof terminal kit GD112 or periscope kit GD180 (for wall penetration below grade) in conjunction with the appropriate
venting components.
PART 4”/7” SUPPLIER WEBSITE
Duravent GDS924N Wolf Steel www.duravent.com
Amerivent 4DSC-N2 American Metal www.americanmetalproducts.com
Direct Temp 4DT-AAN Selkirk www.selkirkcorp.com
SuperSeal 4DNA Metal-Fab www.mtlfab.com

9
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3.2 TYPICAL VENT INSTALLATION
16" MINIMUM
40 FT
MAXIMUM
3 FT
MINIMUM
35 1/2"
35 1/2"
45 1/2"
MINIMUM
PLUS RISE*
10" MINIMUM
24" MAXIMUM
* See "VENTING" section
For optimum flame appearance and appliance operation, keep the vent length and number of elbows to a
minimum. It is recommended that all horizontal runs have a minimum 1/4” rise per foot. The air terminal must
remain unobstructed at all times. Examine the air terminal at least once a year to verify that it is unobstructed
and undamaged. Rigid and flexible venting systems must not be combined. Different venting manufacturers
components must not be combined.
These vent kits allow for either horizontal or vertical venting of the appliance. The maximum allowable horizontal run
is 20 feet. The maximum allowable vertical vent length is 40 feet. The maximum number of vent connections is two
horizontally or three vertically (excluding the appliance and the air terminal connections) when using flexible venting.
Deviation from the minimum vertical vent length can create difficulty in burner start-up and/or carboning.
Use an adjustable pipe as the final length of rigid piping to the stove for ease of installation.
8.5

10
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16" MINIMUM
40 FT
MAXIMUM
3 FT
MINIMUM
29 1/8"
29 1/8"
MINIMUM
PLUS RISE*
20" MAXIMUM
* See "VENTING" section

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Use the periscope kit to locate the air termination above grade. The periscope must be installed so that when
final grading is completed, the bottom air slot is located a minimum 12” above grade. The maximum allowable
vent length is 10’ for a fireplace and 8’ for a stove.
9.4A
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
12"
MINIMUM
TO GRADE
12"
MINIMUM
TO GRADE
24" MINIMUM 24" MINIMUM
35 1/2"
20” MAXIMUM
6” RISE
MINIMUM
3.3.2 CORNER TERMINATION
The maximum vent length for a corner installation is 20" of horizontal run, in addition to the 45° offset. In this
case zero rise is acceptable. See illustrations below. It is recommended to maintain a 6" rise.

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3.4 MINIMUM AIR TERMINAL LOCATION CLEARANCES
INSTALLATIONS
CANADA U.S.A.
A12” 12” Clearance above grade, veranda porch, deck or balcony.
B12” Δ9” ΔClearance to windows or doors that open.
C12” * 12” * Clearance to permanently closed windows.
D18” ** 18” ** Vertical clearance to ventilated soffits located above the terminal within a horizontal distance of 2’ from
the centerline of the terminal.
E18” ** 18” ** Clearance to unventilated soffit.
F0” 0” Clearance to an outside corner wall.
G0” *** 0” *** Clearance to an inside non-combustible corner wall or protruding non-combustible obstructions (chimney, etc.).
2” *** 2” *** Clearance to an inside combustible corner wall or protruding combustible obstructions (vent chase, etc.).
H3’ 3’ **** Clearance to each side of the centerline extended above the meter / regulator assembly to a maximum
vertical distance of 15’.
I3’ 3’ **** Clearance to a service regulator vent outlet.
J12” 9” Clearance to a non-mechanical air supply inlet to the building or a combustion air inlet to any other appliance.
K6’ 3’ † Clearance to a mechanical air supply inlet.
L7’ ‡ 7’ **** Clearance above a paved sidewalk or paved driveway located on public property.
M12” †† 12” **** Clearance under a veranda, porch, deck or balcony.
N16” 16” Clearance above the roof.
O2’ †* 2’ †* Clearance from an adjacent wall including neighbouring buildings.
P8’ 8’ Roof must be non-combustible without openings.
Q3’ 3’ See chart for wider wall dimensions.
R6’ 6’ See chart for deeper wall dimensions. The terminal shall not be installed on any wall that has an open-
ing between the terminal and the open side of the structure.
ΔIn a structure with three walls and a roof, the terminal shall not be located less than 6 feet under a window that opens on a horizontal plane.
* Recommended to prevent condensation on windows and thermal breakage
** It is recommended to use a heat shield and to maximize the distance to vinyl clad soffits.
*** The periscope requires a minimum 18” clearance from an inside corner.
**** This is a recommended distance. For additional requirements check local codes.
† 3 feet above if within 10 feet horizontally.
‡ A vent shall not terminate where it may cause hazardous frost or ice accumulations on adjacent property surfaces.
†† Permitted only if the veranda, porch, or deck is fully open on a minimum of two sides beneath the floor.
†* Recommended to prevent recirculation of exhaust products. For additional requirements check local codes.
12.6B
NOTE: Clearances are in accordance with local installation codes and the requirements of the gas supplier.
R
QM
GP
COVERED BALCONY APPLICATIONS
QMIN
RMAX
MAX
R
= 3 feet
= 2 x
 feet
QACTUAL

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3.5 VENTING APPLICATION FLOW CHART
13.1
TOP EXIT
Horizontal Termination Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
Horizontal run +
vertical rise to
maximum of 24.75
feet
Horizontal run +
vertical rise to
maximum of 40 feet
Horizontal run +
vertical rise to
maximum of 40 feet
4.2 times the
vertical rise equal to
or greater than the
horizontal run
3 times the vertical
rise equal to or
greater than the
horizontal run
13.2
REAR EXIT
Horizontal Termination Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
Horizontal run +
vertical rise to
maximum of 24.75
feet
Horizontal run +
vertical rise to
maximum of 40 feet
Horizontal run +
vertical rise to
maximum of 40 feet
3.5 times the
vertical rise equal to
or greater than the
horizontal run
3 times the vertical
rise equal to or
greater than the
horizontal run
3.6 DEFINITIONS
14.1
For the following symbols used in the venting calculations and examples are:
> - greater than
> - equal to or greater than
< - less than
< - equal to or less than
HT- total of both horizontal vent lengths (Hr) and offsets (Ho) in feet
HR- combined horizontal vent lengths in feet
HO- offset factor: .03 (total degrees of offset - 90°*) in feet
VT- combined vertical vent lengths in feet

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3.7 ELBOW VENT LENGTH VALUES
15.1
FEET INCHES
1° 0.03 0.5
15° 0.45 6.0
30° 0.9 11.0
45° 1.35 16.0
90°* 2.7 32.0
* The first 90° offset has a zero value and is shown in the formula as - 90°
3.8 TOP EXIT HORIZONTAL TERMINATION
16.1A
Simple venting configuration (only one 90° elbow)
(HT) < (VT)
For vent configurations requiring more than one 90° elbow, the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT< 40 feet
Example:
V1= 3 FT
V2= 8 FT
VT= V1+ V2= 3 FT + 8 FT = 11 FT
H1= 2.5 FT
H2= 2 FT
HR= H1+ H2= 2.5 + 2 = 4.5 FT
HO= .03 (three 90° elbows - 90°) = .03 (270° - 90°) = 5.4 FT
HT= HR+ HO= 4.5 + 5.4 = 9.9 FT
HT+ VT= 9.9 + 11 = 20.9 FT
Formula 1: HT< VT
9.9 <11
Formula 2: HT+ VT< 40 FT
20.9 < 40
Since both formulas are met, this vent configuration is acceptable.
See graph to determine the required vertical
rise VTfor the required horizontal run HT.
The shaded area within the lines represents
acceptable values for HTand VT
02.5 5 7.5 10 12.5 15
40
10
20
30
17.5 20
39
REQUIRED
VERTICAL
RISE IN
FEET VT
HORIZONTAL VENT RUN PLUS OFFSET IN
FEET HT
90°
90°
90°
V1
V2
H1
H2

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(HT) > (VT)
Simple venting configuration (only one 90° elbow) See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL
RISE IN
INCHES VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
For vent configurations requiring more than one 90° elbow, the following formulas apply:
Formula 1: HT< 4.2 VT
Formula 2: HT+ VT < 24.75 feet
Example:
V
1 = VT = 6 FT
H1 = 3 FT
H2 = 5 FT
HR = H1 + H2 = 3 + 5 = 8 FT
HO = .03 (two 90° elbows - 90°) = .03 (180° - 90°) = 2.7 FT
HT =HR + HO = 8 + 2.7 = 10.7 FT
HT + VT = 10.7 + 6 = 16.7 FT
Formula 1: HT < 4.2 VT
4.2 VT =4.2 x 6 = 25.2 FT
10.7 < 25.2
Formula 2: HT + VT < 24.75 FT
16.7 < 24.75
Since both formulas are met, this vent configuration is acceptable.
0515
20
100
50
150
12.5’
19 1/2”
57”
147”
2’
The shaded area within the lines represents acceptable
values for HT and VT
90°
V1
H1H2
90°
Example:
V
1 = 4 FT
V
2 = 1.5 FT
V
T = V1 + V2 = 4 + 1.5 = 5.5 FT
H1 = 2 FT
H2 = 1 FT
H3 = 1 FT
H4 = 1.5 FT
HR = H1 + H2 + H3 + H4= 2 + 1 + 1 + 1.5 = 5.5 FT
HO = .03 (four 90° elbows - 90°) = .03 (360° - 90°) = 8.1 FT
HT =HR + HO = 5.5 + 8.1 = 13.6 FT
HT + VT = 13.6 + 5.5 = 19.1 FT
Formula 1: HT < 4.2 VT
4.2 VT =4.2 x 5.5 = 23.1 FT
13.6 < 23.1
Formula 2: HT + VT < 24.75 FT
19.1 < 24.75
Since both formulas are met, this vent configuration is acceptable.
90°
90°
90° 90°
H1
H2
V1
V2
H3
H4
10 19.5’
16.1_2

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3.9 REAR EXIT HORIZONTAL TERMINATION
For vent configurations requiring more than two 90° elbows, the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT < 40 feet
Example:
V1 = 9 FT
V2 = 6 FT
VT = V1 + V2 = 9 + 6 = 15 FT
H1 = 3 FT
H2 = 2 FT
H3 = 1.5 FT
HR = H1 + H2 + H3 = 3 + 2 + 1.5 = 6.5 FT
HO = .03 (four 90° elbows - 90°) = .03 (360° - 90°) = 8.1 FT
HT =HR + HO = 6.5 + 8.1 = 14.6 FT
HT + VT = 14.6 + 15 = 29.6 FT
Formula 1: HT < VT
14.6 < 15
Formula 2: HT + VT < 40 FT
29.6 < 40
Since both formulas are met, this vent configuration is acceptable.
02.5 5 7.5 10 12.5 15
40
10
20
30
17.5 20
1.6
1.6
38.3
90°
V1
V2
H1
H2
90°
90°
90°
H3
Simple venting configuration
(only two 90° elbows) See graph to determine the required vertical rise VTfor the required
horizontal run HT.
REQUIRED
VERTICAL
RISE IN
FEET VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable values for HT
and HT
(HT) < (VT)
16.3

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Simple venting configuration
(only two 90° elbows) See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL
RISE IN
INCHES VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
For vent configurations requiring more than two 90° elbows, the following formulas apply:
Formula 1: HT< 3.5VT
Formula 2: HT+ VT < 24.75 feet
Example:
V1 = 4 FT
V2 = 1.5 FT
VT = V1 + V2 = 4 + 1.5 = 5.5 FT
H1 = 2 FT
H2 = 1 FT
H3 = 1 FT
H4 = 1.5 FT
HR = H1 + H2 + H3 + H4 = 2 + 1 + 1 + 1.5 = 5.5 FT
HO = .03 (four 90° elbows + one 45° elbow - 90°)
= .03 (90 + 90 + 90 + 90 + 45 - 90) = 9.45 FT
HT =HR + HO = 5.5 + 9.45 = 14.95 FT
HT + VT = 14.95 + 5.5 = 20.45 FT
Formula 1: HT < 3.5VT
3.5VT = 3.5 x 5.5 = 19.25 FT
14.95 < 19.25
Formula 2: HT + VT < 24.75 FT
20.45 < 24.75
Since both formulas are met, this vent configuration is acceptable.
The shaded area within the lines represents acceptable
values for HT and HT
90°
V1
V2
H1
H2
90°
90°
90°
H3
(HT) > (VT)
50
100
150
02.5 5 7.5 10 12.5 15 17.5 20
147
12
66
13.5 19.25
16.3_2A

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3.10 TOP OR REAR EXIT VERTICAL TERMINATION
Simple venting configurations. See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL
RISE IN
FEET VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
For vent configurations requiring one or more 90° elbows (top exit) or one or more 90° elbows (rear
exit), the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT < 40 feet
Example:
V1 = 5 FT
V2 = 6 FT
V3 = 10 FT
VT = V1 + V2 + V3 = 5 + 6 + 10 = 21 FT
H1 = 8 FT
H2 = 2.5 FT
HR = H1 + H2 = 8 + 2.5 = 10.5 FT
HO = .03 (four 90° elbows - 90°)
= .03 (360° - 90°) = 8.1 FT
HT =HR + HO = 10.5 + 8.1 = 18.6 FT
HT + VT = 18.6 + 21 = 39.6 FT
Formula 1: HT < 3.5 VT
18.6 < 21
Formula 2: HT + VT < 40 FT
39.6 < 40
Since both formulas are met, this vent configuration is acceptable.
The shaded area within the lines represents acceptable
values for HT and HT
05101520
40
10
20
30
3
(HT) < (VT)
18.2

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Simple venting configurations. See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL
RISE IN
FEET VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
For vent configurations requiring more than two 90° elbows (top exit) or one 90° elbow (rear exit), the following
formulas apply:
Formula 1: HT< 3 VT
Formula 2: HT+ VT < 40 feet
Example:
V1 = 2 FT
V2 = 1 FT
V3 = 1.5 FT
VT = V1 + V2 + V3 = 2 + 1 + 1.5 = 4.5 FT
H1 = 6 FT
H2 = 2 FT
HR = H1 + H2 = 6 + 2 = 8 FT
HO = .03 (four 90° elbows - 90°)
= .03 (360° - 90°) = 8.1 FT
HT =HR + HO = 8 + 8.1 = 16.1 FT
HT + VT = 16.1 + 4.5 = 20.6 FT
Formula 1: HT < 3.5 VT
3.5 VT =3 x 4.5 = 13.5 FT
16.1 < 13.5
Since this formula is not met, this vent configuration is unacceptable.
Formula 2: HT + VT < 40 FT
16.1 < 13.5
Since only formula 2 is met, this vent configuration is unacceptable and a new fireplace location or vent configuration will
need to be established to satisfy both formulas.
The shaded area within the lines represents acceptable
values for HT and HT
05101520
10
20
3
25 30
19
90°
V1H1H2
90°
90°
90°
V3
V2
(HT) > (VT)
18.2_2A

20
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Example:
V1 = 1.5 FT
V2 = 5 FT
VT = V1 + V2 = 1.5 + 1 + 5 = 6.5 FT
H1 = 1 FT
H2 = 1 FT
H3 = 10.75 FT
HR = H1 + H2 + H3= 1 + 1 + 10.75 = 12.75 FT
HO = .03 (four 90° elbows + one 45° elbow - 90°)
= .03 (360° + 45° - 90°) = 6.75 FT
HT =HR + HO = 12.75 + 6.75 = 19.5 FT
HT + VT = 19.5 + 6.5 = 26 FT
Formula 1:
HT < 3 VT
3 VT =3 x 6.5 = 19.5 FT
19.5 = 19.5
Formula 2:
HT + VT < 40 FT
26 < 40
Since both formulas are met, this vent configuration is acceptable.
90°
V1
V2
H1
H2
90°
90°
H3
45°
18.2_3