Napoleon BGD36CFNTR User manual

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W415-0566 / E / 09.28.07
INSTALLATION AND
OPERATING INSTRUCTIONS
Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON, L4M 4Y8 Canada / 103 Miller Drive, Crittenden, Kentucky, USA, 41030
[phone] •fax[phone] •www.napoleonfireplaces.com •[email protected]
INSTALLER: THESE INSTRUCTIONS MUST BE CONVEYED TO AND REMAIN WITH THE HOMEOWNER.
CERTIFIED UNDER CANADIAN AND AMERICAN NATIONAL STANDARDS: CSA 2.33, ANSI Z21.88 FOR VENTED GAS FIREPLACE HEATERS.
BGD36CFNTR & BGD42CFN
NATURAL GAS
BGD36CFPTR & BGD42CFP
PROPANE
BGD36CF Illustrated
CERTIFIED FOR CANADA AND UNITED STATES USING ANSI/CSA METHODS.
SAFTEY INFORMATION
- Do not store or use gasoline or other flam-
mable 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 sup-
plier.
WARNING: If the information in these instruc-
tions are not followed exactly, a fire or explo-
sion my result causing property damage,
personal injury or loss of life.
W415-0566 / E / 09.28.07
$10.00

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W415-0566 / E / 09.28.07
Vermiculite
Logo Placement
32-33 BGD36CF FINISHING
Log Placement
Door Operation
33-34 BGD42CF FINISHING
Log Placement
Grate Installation
Door Installation / Removal
34-35 OPTIONAL BLOWER INSTALLATION
BGD36CF Accessing the Blower
BGD42CF Accessing the Blower
Installing the Blower
36 OPTIONAL FAN INSTALLATION
GD36 THERMOSTATIC SENSOR
CONTROL
37-38 OPERATION / MAINTENANCE
Operating Instructions
Maintenance
38 ADJUSTMENTS
Pilot Burner Adjustment
Venturi Adjustment
39-41 COMMON REPLACEMENTS
BGD36CF REPLACEMENTS
BGD42CF REPLACEMENTS
42-43 TROUBLE SHOOTING GUIDE
44 SERVICE HISTORY
PG 4-5 INTRODUCTION
Warranty
General Instructions
General Information
Care of Glass & Plated Parts
Unit Dimensions
5-21 VENTING
Venting Lengths
Minimum Air Terminal Location Clearances
Typical Minimum and Maximum Vent Lengths
Special Vent Installations
Venting Application Flow Chart
Venting Specifications
BGD36CF Pre-Installation Preparation
22-31 INSTALLATION
Wall and Ceiling Protection
Horizontal Installation
Adjustable Firestop Installation
Vertical Installation
Using Flexible Vent Components
Using Rigid Vent Components
Restricting Vertical Vents (BGD42CF ONLY)
Gas Installation
Mobile Home Installation
Installing Standoffs
Framing
Minimum Mantle and Enclosure Clearances
Clean Face Surround Kit Installation
32 COMMON FINISHING
Glowng Embers
Charcoal Embers
WARNING
• Do not burn wood or other materials in this fireplace.
•The product is a vented gas fireplace
• Adults and especially children should be alerted to the hazards of high surface temperatures and should stay away to avoid burns or
clothing ignition. Keep young children and animals away when the fireplace is hot.
• Due to high temperatures, the fireplace should be located out of traffic and away from furniture and draperies.
• Clothing or other flammable material should not be placed on or near the fireplace.
• Any safety screen or guard removed for servicing must be replaced prior to operating the fireplace.
• It is imperative that the control compartments, burners and circulating blower and its passageway in the fireplace and venting system
are kept clean. The fireplace 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 fireplace area must be kept
clear and free from combustible materials, gasoline and other flammable vapours and liquids.
• Under no circumstances should this fireplace be modified.
• This fireplace must not be connected to a chimney flue pipe serving a separate solid fuel burning appliance.
• Do not use this fireplace if any part has been under water. Immediately call a qualified service technician to inspect the fireplace and
to replace any part of the control system and any gas control which has been under water.
• Do not operate the fireplace 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 fireplace glass door.
• This fireplace uses and requires a fast acting thermocouple. Replace only with a fast acting thermocouple supplied by Wolf Steel
Ltd.
• Pressure relief doors must be kept closed while the fireplace 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.
NOTE: CHANGES, OTHER THAN EDITORIAL, ARE DENOTED BY A VERTICAL LINE IN THE MARGIN.
PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE
TABLE OF CONTENTS

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W415-0566 / E / 09.28.07
When the fireplace is installed at elevations above 4,500ft,
and in the absence of specific recommendations from the
local authority having jurisdiction, the certified high altitude
input rating shall be reduced at the rate of 4% for each ad-
ditional 1,000ft.
Minimum inlet gas supply pressure is 4.5 inches water column
for natural gas and 11 inches water column for propane.
Maximum inlet gas pressure is 7 inches water column for
natural gas and 13 inches water column for propane. Manifold
pressure under flow conditions is 3.5 inches water column for
natural gas and 10 inches water column for propane.
This fireplace is approved for bathroom, bedroom and bed-
sitting room installations and is suitable for mobile home
installation.
No external electricity (110 volts or 24 volts) is required
for the gas system operation.
Expansion / contraction noises during heating up and
cooling down cycles are normal and are to be expected.
Use only accessories designed for and listed with your
specific fireplace.
Provide adequate ventilation air. Provide adequate acces-
sibility clearance for servicing and operating the fireplace.
Never obstruct the front opening of the fireplace.
Objects placed in front of the fireplace must be kept a
minimum of 48" away from the front face of the unit.
Do not use abrasive cleaners to clean plated parts. Buff lightly
with a clean dry cloth. The BGD36CF and BGD42CF are
factory equipped with tempered glass. The glass thickness is
3/16" for both models. Use only replacement glass available
from your Napoleon dealer. DO NOT SUBSTITUTE MATE-
RIALS. Clean the glass after the first 10 hours of operation
with a recommended gas fireplace glass cleaner. Thereafter
clean as required. DO NOT CLEAN GLASS WHEN HOT! If
the glass is not kept clean permanent discolouration and / or
blemishes may result.
THIS GAS FIREPLACE SHOULD BE INSTALLED AND SERV-
ICED 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:
• The fireplace damper must be removed or welded in the
open position prior to installation of a fireplace
insert or gas log.
• A carbon monoxide detector is required in all rooms con-
taining gas fired appliances
• The appliance off valve must be a “T” handle gas cock.
• The flexible connector must not be longer than 36 inches.
• The appliance is not approved for installation in a bed-
room or bathroom unless the unit is a direct vent
sealed combustion product.
• WARNING: This product must be installed by a licensed
plumber or gas fitter when installed within the
commonwealth of Massachu-
setts.
In absence of local codes, install the BGD36CF and BGD42CF
to the current National Fuel Gas Code, ANSI Z223.1, or the
current CAN/CGA B149, Installation Codes. Mobile home
installation must conform with local codes or in the absence
of local codes, install to the current standard for gas equipped
mobile housing CAN/CSA ZA240 MH Series in Canada or the
Manufactured Home Construction and Safety Standard, Title
24 CFR, Part 3280, or the Fire Safety Criteria for Manufac-
tured Home Installations, Sites and Communities Standard
ANSI/NFPA 501A in the United States.
The fireplace and its individual shutoff valve must be discon-
nected from the gas supply piping system during any pressure
testing of that system at test pressures in excess of 1/2 psig
(3.5 kPa). The fireplace must be isolated from the gas supply
piping system by closing its individual manual shutoff valve
during any pressure testing of the gas supply piping system at
test pressures equal to or less than 1/2 psig (3.5 kPa).
When the fireplace is installed directly on carpeting, vinyl tile
or other combustible material other than wood flooring, the
fireplace shall be installed on a metal or wood panel extending
the full width and depth.
If the optional fan or blower is installed, the junction box must
be electrically connected and grounded in accordance with
local codes. In the absence of 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.
FOR YOUR SATISFACTION, THIS FIREPLACE HAS BEEN
TEST-FIRED TO ASSURE ITS OPERATION AND QUALITY!
BGD36CF
Maximum input for the BGD36CF is 17,000 BTU/h for natu-
ral gas and propane. Maximum output for natural gas and
propane is 10,900 BTU/hr at an efficiency of 64% with the
fan on. The A.F.U.E. (annual fuel utilization efficiency) rating
is 53% for natural gas and propane.
BGD42CF
Maximum input for the BGD42CF is 24,000 BTU/hr for natu-
ral gas and propane. Maximum output for natural gas and
propane is 16,000 BTU/hr at an efficiency of 67% with the
fan on. The A.F.U.E. (annual fuel utilization efficiency) rating
is 61.5% for natural gas and propane.
GENERAL INSTRUCTIONS
GENERAL INFORMATION
CARE OF GLASS, AND PLATED PARTS

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Use only Wolf Steel, Simpson Dura-Vent, Selkirk Direct Temp
or American Metal Amerivent 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 and American Metal Ameriv-
ent, follow the installation procedure provided with the venting
components.
All outer pipe joints of these venting systems must be sealed
using Red RTV High Temperature Sealant.
A starter adaptor must be used with the following vent systems
and may be purchased from the corresponding supplier:
PART 4"/7" 5"/8" SUPPLIER
Duravent W175-0053 W175-0170 Wolf Steel
Amerivent 4DSC-N2 5DSC-N American Metal
Direct Temp 4DT-AAN 5DT-AA Selkirk
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 fireplace flue collar which must be
sealed using the black high temperature sealant Mill Pac.
BGD36CF
When using Wolf Steel venting components, use only
approved Wolf Steel rigid / flexible components with the
following termination kits: WALL TERMINAL KIT GD222,
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 GD201 (for
wall penetration below grade). With flexible venting, in
conjunction with the various terminations, use either the
5 FOOT VENT KIT GD220 or the 10 FOOT VENT KIT
GD330.
BGD42CF
When using Wolf Steel venting components, use only ap-
proved Wolf Steel flexible components with the following
termination kits: WALL TERMINAL KIT GD422, or 1/12 to
7/12 PITCH ROOF TERMINAL KIT GD410, 8/12 to 12/12
ROOF TERMINAL KIT GD411, FLAT ROOF TERMINAL
KIT GD412 or PERISCOPE KIT GD401 (for wall penetra-
tion below grade). With flexible venting, in conjunction with
the various terminations, use either the 5 FOOT VENT KIT
GD420 or the 10 FOOT VENT KIT GD430.
Wolf Steel, Simpson Dura-Vent, Selkirk Direct Temp
or American Metal Amerivent venting systems must
not be combined. Wolf Steel rigid and flexible venting
systems must not be combined.
MODEL BGD36CF MAY BE VENTED EITHER AS A TOP VENT OR A REAR VENT.
REFER TO THE SECTION APPLICABLE TO YOUR INSTALLATION.
VENTING LENGTHS
BGD36CF BGD42CF
FIGURE 1
20
1
/ 2 "
25"
46"
23"
5" DIA.
8" DIA.
3"
5
1
/ 2 "GAS
INLET
ELECTRICAL INLET
LEFT SIDE
24
1
/ 4 "
38
1
/ 2 "
34"
33"
17"
15"
T
40"
27"
10"
4" DIA.
7" DIA.
THE BGD36CF USES: 4" EXHAUST / 7" AIR INTAKE VENT PIPE
THE BGD42CF USES: 5" EXHAUST / 8" AIR INTAKE VENT PIPE
FIGURE 2
FIGURE 3
FIGURE 4
FIGURE 6
UNIT DIMENSIONS
For safe and proper operation of the fireplace follow the venting instruction exactly.
Deviation from the minimum vertical vent length can create difficulty in burner start-up and/or carboning.
Provide a means for visually checking the vent connection to the fireplace after the fireplace is installed.
Vent lengths that pass through unheated spaces (attics, garages, crawl spaces) should be insulated with the insula-
tion wrapped in a protective sleeve to minimize condensation.
VENTING
3"
51/2"
ELECTRICAL INLET
LEFT SIDE
41 1/2"
37"
35 1/2"
GAS
INLET
FIGURE 5

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These vent kits allow for either horizontal or vertical venting
of the fireplace. 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 fireplace and the air terminal
connections) when using aluminum flexible venting.
For optimum flame appearance and fireplace perform-
ance, keep the vent length and number of elbows to a
minimum.
REAR VENT
TOP
VENT
CORNER
RIGID
VENTING
FLEXIBLE
VENTING
RIGID
VENTING
FLEXIBLE
VENTING
RIGID
VENTING
FLEXIBLE
VENTING
REQUIRED RISE ON
HORIZONTAL VENTING
BGD36CF BGD42CF
0" / FT
0" / FT
0" / FT
0" / FT
0" / FT
0" / FT
0" / FT
0" / FT
0"
6"
0"
0"
* Use a steel header if the optional clean face surround is to be
installed.
** A minimum of 6 1/2 inches of cement board or non-combustible
equivalent must be installed above the top of the fireplace if the
optional clean face surround is to be installed.
*** HORIZONTAL TERMINATION - A clearance to combus-
tibles of 1" at the bottom and sides of the vent and 2" at
the top must be maintained when penetrating combustible
walls. The firestop spacer (W010-1774) supplied with the
unit must be used to maintain this clearance.
VERTICAL TERMINATION - Only a clearance to combusti-
bles of 1" all around the vent pipe is required when penetrating
combustible floors or ceilings.
MINIMUM CLEARANCE TO COMBUSTIBLE CONSTRUC-
TION FROM FIREPLACE AND VENT SURFACES:
Combustible framing:
Sides, back, bottom and top* of the unit 0 inches to stand-offs
Combustible Fireplace Finishing:
Sides, bottom and top** 0 inches to fireplace edge
Enclosure top 8 1/4 inches
Recessed depth 14 inches
Top***, sides and bottom of the vent pipe 1 inch
Top of vent pipe 2 inches
BGD36CF
**** HORIZONTAL TERMINATION - A clearance to com-
bustibles of 1" at the bottom and sides of the vent and 2" at
the top must be maintained when penetrating combustible
walls. The firestop spacer (W010-1778) supplied with the
unit must be used to maintain this clearance.
VERTICAL TERMINATION - Only a clearance to combustibles
of 1" all around the vent pipe is required when penetrating
combustible floors or ceilings.
MINIMUM CLEARANCE TO COMBUSTIBLE CONSTRUC-
TION FROM FIREPLACE AND VENT SURFACES:
Non-combustible framing:
Top Use a steel header on the stand-off
Combustible framing:
Sides, back and bottom of the unit 0 inches to stand-offs
Non-combustible finishing:
Top 6 1/2 inches to fireplace edge
Combustible fireplace finishing:
Sides and bottom 0 inches to fireplace edge
Enslosure top 13 1/2 inches to top of fireplace
Recessed depth 25 inches
Top****, sides and bottom of vent pipe 1 inch
Top of vent pipe 2 inches
Vent heat shield 1 inch
BGD42CF

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FIGURE 7

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TYPICAL MINIMUM AND MAXIMUM VENT LENGTHS
For optimum performance, it is recommended that all hori-
zontal runs have a 1 inch rise per foot.
When terminating vertically, the vertical rise is a minimum
36 inches and a maximum 40 feet from the centre of the
fireplace flue outlet.
NOTE: When terminating vertically, the restrictor plate W500-0205 must be installed.
Refer to Restricting Vertical Vents.
REAR EXIT TOP EXIT
BGD36CF
BGD42CF
FIGURE 9
FIGURE 8
FIGURE 10
FIGURE 11
FIGURE 12 FIGURE 13
* See Venting Section

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SPECIAL VENT INSTALLATIONS
For optimum performance, it is recommended that all hori-
zontal runs have a 1 inch rise per foot.
Whenterminating vertically, theverticalrise isaminimum 36inches
and a maximum 40 feet from the centre of the fireplace flue outlet.
Use the GD201 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 mini-
mum of 12 inches above grade. The maximum allowable vent
length depends on the model of fireplace, as illustrated.
REAR EXIT INSTALLATION
TOP EXIT INSTALLATION
The maximum vent length for a corner installation is 20 inches
of horizontal run, in addition to the 45° offset. In this case zero
rise is acceptable when using rigid. See FIGURE 18. Flexible
venting must maintain a 6" rise. See FIGURE 19.
PERISCOPE TERMINATION CORNER TERMINATION
BGD36CF
BGD42CF
PERISCOPE TERMINATION
Use the GD401 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 of 12 inches above grade.
FIGURE 15 FIGURE 16
FIGURE 18
FIGURE 19
FIGURE 17

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FIREPLACE VENT EXIT
REAR EXIT TOP EXIT
Horizontal
Termination
Vertical
Termination
Vertical
rise is
equal to
or greater
than the
horizontal
run
Vertical
rise is
less than
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
Horizontal
run + verti-
cal rise to
maximum
of 24.75
feet
3.5 times
the verti-
cal rise
equal to
or greater
than the
horizontal
run
Vertical
rise is
equal to
or greater
than the
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
Vertical
rise is
less than
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
3 times
The
vertical rise
equal to or
greater than
the horizontal
run
VENTING APPLICATION FLOW CHART
BGD36CF
BGD42CF
Horizontal
Termination
Vertical
Termination
Vertical
rise is
equal to
or greater
than the
horizontal
run
Vertical
rise is
less than
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
Horizontal
run + verti-
cal rise to
maximum
of 24.75
feet
4.2 times
the verti-
cal rise
equal to
or greater
than the
horizontal
run
Vertical
rise is
equal to
or greater
than the
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
Vertical
rise is
less than
horizontal
run
Horizon-
tal run +
vertical
rise to
maximum
of 40 feet
3 times The
vertical rise
equal to or
greater than
the horizontal
run
HORIZONTAL TERMINATION VERTICAL TERMINATION
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 maxi-
mum of 24.75 feet
4.2 times the verti-
cal rise equal to or
greater than the
horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Horizontal run
+ vertical rise to
maximum of 40
feet
Vertical rise is
less than hori-
zontal run
Horizontal run
+ vertical rise to
maximum of 40
feet
3 times The
vertical rise equal
to or greater than
the horizontal run

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90°
90°
90°
H1
V2
H2
V1
when (HT) < (VT)
Simple venting configuration (only one 90° elbow)
See graph to determine the required vertical rise VTfor the
required horizontal run HT.
VERTICAL
RISE IN
FEET
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 1:
V1 = 3 ft
V2 = 8 ft
VT = V1 + V2 = 3 + 8 = 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: H
T < VT
9.9 < 11
Formula 2: H
T + VT< 40 feet
20.9 < 40
Since both formulas are met, this vent configuration is
acceptable.
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
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
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°
DEFINITIONS ELBOW VENT LENGTH VALUES
BGD36CF TOP EXIT / HORIZONTAL TERMINATION
FIGURE 20
FIGURE 21

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H2
H4
V2
90°
H3
H1
V190°
H2
H1
V1
90°
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 2:
See graph to determine the
required vertical rise VTfor the
required horizontal run HT.
V1 = 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
Formula 1: H
T < 4.2 VT
4.2 VT = 4.2 x 6 = 25.2 ft
10.7 < 25.2
Formula 2: H
T + VT< 24.75 feet
16.7 < 24.75
Since both formulas are met, this vent configuration is ac-
ceptable.
Example 3:
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 - 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: H
T < 4.2 VT
4.2 VT = 4.2 x 5.5 = 23.1 ft
13.6 < 23.1
Formula 2: H
T + VT< 24.75 feet
19.1 < 24.75
Since both formulas are met, this vent configuration is
acceptable.
REQUIRED
VERTICAL
RISE IN
INCHES
VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
when (HT)> (VT)
Simple venting configuration (only one 90° elbow)
BGD36CF TOP EXIT / HORIZONTAL TERMINATION
FIGURE 23
FIGURE 24
FIGURE 22

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required horizontal run HT
For vent configurations requiring more than two 90° elbows
the following formulas apply:
Formula 1: HT < VT
Formula 2: HT + VT< 40 feet
REQUIRED
VERTICAL
RISE IN
FEET
VT
HORIZONTAL VENT RUN PLUS OFFSETS IN FEET HT
Example 4:
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(90 + 90 + 90 + 90 - 90) = 8.1 ft
HT=HR+ HO = 6.5 + 8.1 = 14.6 ft
HT + VT =14.6 + 15 = 29.6 ft
Formula 1: H
T < VT
14.6 < 15
Formula 2: H
T + VT< 40 feet
29.6 < 40
Since both formulas are met, this vent configuration is
acceptable.
H2
V1
V2
H3
90°
90°
90°
90°
The shaded area within the lines represents acceptable
values for HTand VT .
BGD36CF REAR EXIT / HORIZONTAL TERMINATION
when (HT) < (VT)
Simple venting configuration (only two 90° elbows)
See graph to determine the required vertical rise VTfor the
H1
FIGURE 25
FIGURE 26

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H1
H2
H3
H4
V1
V2
90°
90°
45°
90°
90°
when (HT) > (VT)
Simple venting configuration (only two 90° elbows)
Example 5:
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: H
T < 3.5VT
3.5VT = 3.5 x 5.5 = 19.25 ft
14.95 < 19.25
Formula 2: H
T + VT< 24.75 feet
20.45 < 24.75
Since both formulas are met, this vent configuration is
acceptable.
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
REQUIRED
VERTICAL
RISE IN
INCHES
HORIZONTAL VENT RUN PLUS OFFSETS IN FEET
HT
See graph to determine the required vertical rise VTfor the
required horizontal run HT
VT
The shaded area within the lines represents acceptable
values for HTand VT .
BGD36CF REAR EXIT / HORIZONTAL TERMINATION
FIGURE 27
FIGURE 28

15
W415-0566 / E / 09.28.07
BGD42CF HORIZONTAL TERMINATION
when (HT) < (VT)
Simple venting configuration (only one 45º and 90° elbow)
45°
90°
45°
90°
For vent configurations requiring more than one 45º and
90° elbow, the following formulas apply:
Formula 1: HT < VT
Formula 2: HT + VT < 40 feet
Example 1:
H1
H2
V1
REQUIRED
VERTICAL
RISE IN FEET
(VT)
CALCULATED HORIZONTAL VENT RUN PLUS OFF-
SETS IN FEET (HT)
The shaded area within the lines represents acceptable
values for HTand VT.
V1 =8 ft
VT V1= 8 ft
H1=2.5 ft
H2=2 ft
HR= H1+ H2 = 2.5 + 2 = 4.5 ft
HO= .03(one 45° elbows + two 90° elbows - 135°)
= .03(225 - 135°) = 2.7 ft
HT=HR+ HO = 4.5 + 2.7 = 7.2 ft
HT + VT =7.2 + 8 = 15.2 ft
Formula 1: H
T < VT
7.2 < 8
Formula 2: H
T + VT< 40 feet
15.2 < 40
Since both formulas are met, this vent configuration is ac-
ceptable.
FIGURE 29
FIGURE 30

16
W415-0566 / E / 09.28.07
BGD42CF HORIZONTAL TERMINATION
when (HT)> (VT)
Simple venting configuration (only one 45º and 90° elbow)
See graph to determine
the required vertical rise
VTfor the required hori-
zontal run HT.
REQUIRED
VERTICAL
RISE IN
INCHES
VT
H1
H2
H3H4
V1
V2
90°
45°
90°
90°
HORIZONTAL VENT RUN PLUS OFFSETS IN FEET
(HT)
The shaded area within the lines represents acceptable
values for HTand VT.
For vent configurations requiring more than one 45º and
one 90° elbow the following formulas apply:
Formula 1: HT < 4.2 VT
Formula 2: HT + VT < 24.75 feet
Example 2:
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(one 45° elbow + four 90° elbows - 135°)
= .03(405 - 135) = 8.1 ft
HT=HR+ HO = 5.5 + 8.1 = 13.6 ft
HT + VT = 13.6 + 5.5 = 19.1 ft
Formula 1: H
T < 4.2VT
4.2VT = 4 .2 x 5.5 = 23.1 ft
13.6 < 16.8
Formula 2: H
T + VT< 24.75 feet
19.1 < 24.75
Since both formulas are met, this vent configuration is
acceptable.
FIGURE 31
FIGURE 32
90°

17
W415-0566 / E / 09.28.07
REQUIRED
VERTICAL RISE
IN FEET
VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
Example 6:
V1 =5 ft
V2 =10 ft
VT = V1 + V2 = 5 + 10 = 15 ft
H1=3 ft
H2=2.5 ft
HR= H1+ H2= 3 + 2.5 = 5.5 ft
HO= .03(three 90° elbows - 90°)
= .03(90 + 90 + 90 - 90) = 5.4 ft
HT=HR+ HO = 5.5 + 5.4 = 10.9 ft
HT + VT = 10.9 + 15 = 25.9 ft
Formula 1: H
T < VT
10.9 < 15
Formula 2: H
T + VT< 40 feet
25.9 < 40
Since both formulas are met, this vent configuration is
acceptable.
when (HT) < (VT)
Simple venting configurations
See graph to determine the required vertical rise VTfor the
required horizontal run HT.
For vent configurations requiring more than zero 90° elbow
(top exit) or one 90° elbow (rear exit), the following formulas
apply:
Formula 1: HT < VT
Formula 2: HT + VT< 40 feet
90°
90°
90°
H1
H2
V1
V2
BGD36CF TOP OR REAR EXIT VERTICAL TERMINATION
FIGURE 33
FIGURE 34

18
W415-0566 / E / 09.28.07
MAXIMUM
VERTICAL
RISE IN
FEET
VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
For vent configurations requiring more than two 90° elbow
(top exit) or one 90° elbow (rear exit), the following formulas
apply:
Formula 1: HT < 3VT
Formula 2: HT + VT< 40 feet
Example 7:
See graph to determine the required vertical rise VTfor the
required horizontal run HT.
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(90 + 90 + 90 + 90 - 90) = 8.1 ft
HT=HR+ HO = 8 + 8.1 = 16.1 ft
HT + VT = 16.1 + 4.5 = 20.6 ft
Formula 1: H
T < 3VT
3VT = 3 x 4.5 = 13.5 ft
16.1 > 13.5
Since this formula is not met, this vent configuration is
unacceptable.
Formula 2: H
T + VT< 40 feet
20.6 < 40
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.
Example 8:
V1 =1.5 ft
V2 =5 ft
VT = V1 + V2 = 1.5 + 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(three 90° elbows + one 45° elbow - 90°)
= .03(90 + 90 + 90 + 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: H
T < 3VT
3VT = 3 x 6.5 = 19.5 ft
From inside the firebox, insert the 4" flue pipe assembly (pro-
vided) through the rear of the firebox. Secure the assembly
to the rear and top of the unit using 4 #8 x ¾ inch Hex Head
Wildrill screws supplied.
H1
H2
V3
V1
90°
90°
90°
V2
90°
H2
H3
V1
V2
90°
45°
90°
H1
90°
when (HT) > (VT)
Simple venting configurations
BGD36CF TOP OR REAR EXIT VERTICAL TERMINATION
FIGURE 35
FIGURE 36
FIGURE 37

19
W415-0566 / E / 09.28.07
BGD42CF VERTICAL TERMINATION
when (HT) < (VT)
Simple venting configurations
45°
MAXIMUM
VERTICAL
RISE IN
FEET
VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
For vent configurations requiring more than one 45º and
one 90° elbow the following formulas apply:
Formula 1: HT < VT
Formula 2: HT + VT < 40 feet
Example 8:
90°
90°
90°
H1
V1
V2
45°
H2
V1 =5 ft
V2 =10 ft
VT = V1 + V2 = 5 + 10 = 15 ft
H1=3 ft
H2=2.5 ft
HR= H1+ H2= 3 + 2.5 = 5.5 ft
HO= .03 (one 45° elbow + three 90° elbows - 135°)
= .03 (45 + 90 + 90 +90 - 135) = 5.4 ft
HT=HR+ HO = 5.5 + 5.4 = 10.9 ft
HT + VT = 10.9 + 15 = 25.9 ft
Formula 1: H
T < VT
10.9 < 15
Formula 2: H
T + VT< 40 feet
25.9 < 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.
FIGURE 38 FIGURE 39

20
W415-0566 / E / 09.28.07
BGD42CF VERTICAL TERMINATION
when (HT) > (VT)
Simple venting configurations
MAXIMUM VERTICAL
RISE IN FEET
VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT
The shaded area within the lines represents acceptable
values for HTand VT .
For vent configurations requiring more than one 45º and
one 90° elbow the following formulas apply:
Formula 1: HT < 3VT
Formula 2: HT + VT < 40 feet
Example 4:
V1 =1 ft
V2 =1.5 ft
VT = V1 + V2 = 1 + 1.5 = 2.5 ft
H1=6 ft
H2=2 ft
HR= H1+ H2= 6 + 2 = 8 ft
HO= .03 (one 45° elbow + three 90° elbows - 135°)
= .03 (45 + 90 + 90 +90 - 135) = 5.4 ft
HT=HR+ HO = 8 + 5.4 = 13.4 ft
HT + VT = 13.4 + 2.5 = 15.9 ft
Formula 1: H
T < VT
3VT = 3 x 2.5 = 7.5 ft
13.4 < 7.5
Since this formula is not met, this vent configuration is
unacceptable.
Formula 2: H
T + VT< 40 feet
15.9 < 40
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.
Example 5:
See graph to determine the required vertical rise VTfor the
required horizontal run HT.
90°
90°
90°
H1
V1
V2
45°
H2
90°
90°
90°
H1
V1
V2
45° H2H3
V1 =1.5 ft
V2 =8 ft
VT = V1 + V2 = 1.5 + 8 = 9.5 ft
H1=1 ft
H2=1 ft
HR= H1+ H2+ H3= 1 + 1 + 10.75 = 12.75 ft
HO= .03 (two 45° elbows + three 90° elbows - 135°)
= .03 (45 + 45 + 90 + 90 +90 - 135) = 6.75 ft
HT=HR+ HO = 12.75 + 6.75 = 19.5 ft
HT + VT = 19.5 + 4.5 = 24 ft
Formula 1: H
T < VT
3VT = 3 x 2.5 = 7.5 ft
13.4 < 7.5
Formula 2: H
T + VT< 40 feet
24 < 40
Since both formulas are met, this vent configuration is
acceptable.
FIGURE 40
FIGURE 41
FIGURE 42
45°