Napoleon Fireplaces BGD36CFPTR User Manual

INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE

CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE

1

OPERATING INSTRUCTIONS

CERTIFIED UNDER CANADIAN AND AMERICAN NATIONAL STANDARDS: CSA 2.33, ANSI Z21.88 FOR VENTED GAS FIREPLACE HEATERS.

BGD36CFGN,

BGD36CFNTR & BGD42CFN

NATURAL GAS

BGD36CFGP,

BGD36CFPTR & BGD42CFP

PROPANE

CERTIFIED FOR CANADA AND UNITED STATES USING ANSI/CSA METHODS.

SAFETY INFORMATION

!

WARNING

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.

INSTALLATION

AND

- 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 neighbor'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.

Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON, L4M 4Y8 Canada / 103 Miller Drive, Crittenden, Kentucky, USA, 41030

[phone] • fax[phone] • www.napoleonfireplaces.com • [e-mail]

$10.00

BGD36CF Illustrated

W415-0661 / C / 02.20.08

W415-0661 / C / 02.20.08

2

TABLE OF CONTENTS

PG 4-5 INTRODUCTION

Warranty
General Instructions
General Information
Care of Glass & Plated Parts
Unit Dimensions

Installation Overview

6-19 VENTING

Typical Minimum and Maximum Vent Lengths
Special Vent Installations
Venting Application Flow Chart
Venting Specifi cations
BGD36CF(G) Pre-Installation Preparation
Removing the Valve Access Door
Door Operation
Rear Exit
Top Exit

19-29 INSTALLATION

Horizontal Installation
Adjustable Firestop Installation
Vertical Installation
Using Flexible Vent Components
Using Rigid Vent Components
Restricting Vertical Vents (BGD42CF ONLY)
Gas Installation
Optional wall switch installation excluding BGD36CFG
Mobile Home Installation
Framing
Installing Standoffs

Clean Face Surround Minimum Enclosure Clearances
Optional Clean Face Surround Installation BGD36CF(G) only
Finished Floor Installation
Hearth Installation
Optional Clean Face Trim Kit Installation

30 BGD36CF FINISHING

Glass/Door Replacement

Venting Lengths
Minimum Air Terminal Location Clearances

Wall and Ceiling Protection

BGD36CF(G) Minimum Mantel and Enclosure Clearances

BGD42CF Minimum Mantel and Enclosure Clearances

Log Placement

PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE

30-31 BGD42CF FINISHING

Removing Valve Access Door
Glass/Door Replacement
Door Trim
Grate Installation
Log Placement

Door Installation / Removal

32 COMMON FINISHING

Charcoal Embers
Vermiculite
Charcoal Lumps (BGD42CF Only)
Logo Placement

Glowing Embers

32 BGD36CFG FINISHING

BGD36CFG bulb replacement
BGD36CFG lens assembly replacement

33

BGD42CF Accessing the Blower
Installing the Blower

Glass Burner Installation

OPTIONAL BLOWER INSTALLATION

BGD36CF Accessing the Blower

34 OPTIONAL FAN INSTALLATION
GD36

THERMOSTATIC SENSOR CONTROL
35 BGD36CFG BURNER SWITCH/WIRING DIAGRAM
36 BGD36CFG LIGHT SWITCH/WIRING DIAGRAM
37 RECEPTACLE WIRING DIAGRAM
38 OPERATION BGD36CF AND BGD42CF

Maintenance

Operating Instructions

39 OPERATION / MAINTENANCE BGD36CFG
40-41 ADJUSTMENTS

Venturi Adjustment
BGD36CFG Venturi Adjustment

Flame Adjustment

Pilot Burner Adjustment

42-44 COMMON REPLACEMENTS
BGD36CF(G) REPLACEMENTS
BGD42CF REPLACEMENTS
45-48 TROUBLE SHOOTING GUIDE
47 SERVICE HISTORY
48 NOTES

!

WARNING

• Do not burn wood or other materials in this 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. Supervise young children when they are in the same room as the fireplace.

• Clothing or other flammable material should not be placed on or near the fireplace.

• Due to high temperatures, the fireplace 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 fireplace 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 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.

• Only doors / optional fronts certified with the unit are to be installed on the appliance.

W415-0661 / C / 02.20.08

NOTE: CHANGES, OTHER THAN EDITORIAL, ARE DENOTED BY A VERTICAL LINE IN THE MARGIN.

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®

The following materials and workmanship in your new NAPOLEON® gas fireplace are warranted against
defects for as long as you own the fireplace. This covers: combustion chamber, heat exchanger, stainless steel
burner, phazer™ logs and embers, gold plated parts against tarnishing, porcelainized enameled components and
aluminum extrusion trims.
Electrical (110V and millivolt) components and wearable parts such as blowers, gas valves, thermal switch,
switches, wiring, remote controls, ignitor, gasketing, and pilot assembly are covered and NAPOLEON® will
provide replacement parts free of charge during the first year of the limited warranty.
Labour related to warranty repair is covered free of charge during the first year. Repair work, however, requires
the prior approval of an authorized company official. Labour costs to the account of NAPOLEON® are based on
a predetermined rate schedule and any repair work must be done through an authorized NAPOLEON® dealer.

3

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W415-0661 / C / 02.20.08

4

GENERAL INSTRUCTIONS

THIS GAS FIREPLACE 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
specifi cs that apply to your area,
for example: in Massachusetts State:

• The fi replace damper must be removed or welded in the open
position prior to installation of a fi replace insert or gas log.

• A carbon monoxide detector is required in all rooms containing
gas fi red appliances

• The appliance off valve must be a “T” handle gas cock.

• The fl exible connector must not be longer than 36".

• The appliance is not approved for installation in a bedroom or
bathroom unless the unit is a direct vent sealed combustion
product.

• WARNING: This product must be installed by a licensed plumber
or gas fi tter when installed within the commonwealth of
Massachusetts.
In absence of local codes, install the BGD36CF(G) 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 Manufactured Home Installations, Sites and Communities
Standard ANSI/NFPA 501A in the United States.
The fi replace and its individual shut off valve must be disconnected
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 fi replace
must be isolated from the gas supply piping system by closing its
individual manual shut off 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 fi replace is installed directly on carpeting, vinyl tile or
other combustible material other than wood fl ooring, the fi replace
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.

Maximum inlet gas pressure is 7" water column for natural gas and
13" water column for propane. Manifold pressure under fl ow condi­tions is 3.5" water column for natural gas and 10" water column for
propane.

This fi replace 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 specifi c
fi replace.
Provide adequate ventilation air. Provide adequate accessibil­ity clearance for servicing and operating the fi replace. Never
obstruct the front opening of the fi replace.
Objects placed in front of the fi replace must be kept a minimum
of 48" away from the front face of the unit.

CARE OF GLASS AND PLATED PARTS

Do not use abrasive cleaners to clean plated parts. Buff lightly with
a clean dry cloth. The BGD36CF(G) 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 MATERIALS. Clean the glass after
the fi rst 10 hours of operation with a recommended gas fi replace
glass cleaner. Thereafter clean as required. DO NOT CLEAN GLASS
WHEN HOT! If the glass is not kept clean permanent discoloration
and / or blemishes may result.

All sections with BGD36CF(G) are common to both the BGD36CF
and the BGD36CFG.

GENERAL INFORMATION

FOR YOUR SATISFACTION, THIS FIREPLACE HAS BEEN TEST­FIRED TO ASSURE ITS OPERATION AND QUALITY!

BGD36CF(G)

Maximum input for the BGD36CF(G) is 17,000 BTU/h for natural
gas and propane. Maximum output for natural gas and propane is
10,900 BTU/hr at an effi ciency of 64% with the fan on. The A.F.U.E.
(annual fuel utilization effi ciency) rating is 53% for natural gas and
propane.

BGD42CF

Maximum input for the BGD42CF is 24,000 BTU/hr for natural gas
and propane. Maximum output for natural gas and propane is
16,000 BTU/hr at an effi ciency of 67% with the fan on. The A.F.U.E.
(annual fuel utilization effi ciency) rating is 61.5% for natural gas and
propane.
When the fi replace is installed at elevations above 4,500ft, and in the
absence of specifi c recommendations from the local authority having
jurisdiction, the certifi ed high altitude input rating shall be reduced at
the rate of 4% for each additional 1,000ft.

Minimum inlet gas supply pressure is 4.5" water column for natural
gas and 11" water column for propane.

W415-0661 / C / 02.20.08

FIGURE 1

UNIT DIMENSIONS

BGD36CF(G) BGD42CF

FIGURE 2

FIGURE 4

5

FIGURE 5

381/2"

34"

4" DIA.

7" DIA.

See the section “MINIMUM
MANTEL AND ENCLOSURE
CLEARANCES”

See the sections “MINI­MUM ENCLOSURE
CLEARANCES” for drywall
(or other combustible
material)

411/2"

33"

1

24

/4"

GAS

INLET

37"

FIGURE 3

1

/2"

5

3"

ELECTRICAL INLET

LEFT SIDE

27"

17"

15"

10"

40"

INSTALLATION OVERVIEW

See the sections “MINIMUM
ENCLOSURE CLEAR­ANCES” for non­combustible material

5" DIA.

8" DIA.

FIGURE 6

201/2"

46"

FIGURE 7

51/2"

3"

ELECTRICAL INLET

LEFT SIDE

23"

25"

See the section
“VENTING” and
“INSTALLATION”

35 1/2"

GAS

INLET

See the section
“FRAMING”

See the section
“INSTALLATION-FRAMING”

Side Wall

BGD42CF Illustrated

W415-0661 / C / 02.20.08

6

VENTING

THE BGD36CF(G) USES: 4" EXHAUST / 7" AIR INTAKE VENT PIPE

THE BGD42CF USES: 5" EXHAUST / 8" AIR INTAKE VENT PIPE

MODEL BGD36CF MAY BE VENTED EITHER AS A TOP VENT OR A REAR VENT.

For safe and proper operation of the fi replace follow the venting instruction exactly. Deviation from the minimum vertical vent length
can create diffi culty in burner start-up and/or carboning. Provide a means for visually checking the vent connection to the fi replace
after the fi replace is installed. Vent lengths that pass through unheated spaces (attics, garages, crawl spaces) should be insulated
with the insulation wrapped in a protective sleeve to minimize condensation.

VENTING LENGTHS

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 Amerivent, 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:

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 Simpson Dura-Vent, Selkirk Direct Temp and American Metal

Amerivent, follow the installation procedure found on the website for
your venting supplier.

VENTING SUPPLIER WEBSITE

Simpson Dura-Vent www.duravent.com
Selkirk Direct Temp www.selkirkcorp.com
American Metal Amerivent www.americanmetalproducts.com

For vent systems that provide seals on the inner exhaust fl ue, 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 fi replace
fl ue collar which must be sealed using the black high temperature
sealant Mill Pac.

BGD36CF(G)

When using Wolf Steel venting components, use only approved Wolf
Steel rigid / fl exible components with the following termination kits:
WALL TERMINAL KIT GD222, or 1/12 to 7/12 PITCH ROOF TERMI-
NAL 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 fl exible 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 approved Wolf
Steel fl exible 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
penetration below grade). With fl exible 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.

These vent kits allow for either horizontal or vertical venting of the
fi replace. 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 fi replace and the air terminal connections) when us­ing fl exible venting.

For optimum fl ame appearance and fi replace performance, keep
the vent length and number of elbows to a minimum.

REFER TO THE SECTION APPLICABLE TO YOUR INSTALLATION.

REQUIRED RISE ON HORIZONTAL VENTING

RIGID VENTING

REAR VENT

TOP VENT

CORNER

For optimum performance, it is recommended that all horizontal
runs have a 1" rise per foot.

FLEXIBLE

VENTING

RIGID VENTING

FLEXIBLE

VENTING

RIGID VENTING

FLEXIBLE

VENTING

BGD36CF(G)

HORIZONTAL VENT SECTIONS: - A minimum clearance

of 1" at the bottom and sides of the vent and 2" at the top on
all horizontal runs to combustibles is required. The fi restop
spacer (W010-1774) supplied with the unit must be used to
maintain this clearance.
VERTICAL VENT SECTIONS: - A minimum of 1" all around
the vent pipe on all vertical runs to combustibles is required
except for clearances in fi replace enclosures. See "MINIMUM
ENCLOSURE CLEARANCES" section. Use fi restop spacer
W500-0096 (not supplied).

BGD42CF

HORIZONTAL VENT SECTIONS: A minimum clearance of 2"

all around the vent pipe on all horizontal runs to combustibles
is required. Use fi restop spacer W010-1778 (supplied).

VERTICAL VENT SECTIONS: A minimum of 1" all around the
vent pipe on all vertical runs to combustibles is required. Use
fi restop spacer W500-0028 (not supplied).

BGD36CF(G)

0" / FT

0" / FT

0" / FT

0" / FT

0"

6"

BGD42CF

0" / FT

0" / FT

0" / FT

0" / FT

0"

0"

W415-0661 / C / 02.20.08

FIGURE 8

7

W415-0661 / C / 02.20.08

8

TYPICAL MINIMUM AND MAXIMUM VENT LENGTHS

BGD36CF(G)

REAR EXIT

FIGURE 9

TOP EXIT

FIGURE 10

For optimum performance, it is recommended that all horizontal runs
have a 1" rise per foot.

When terminating vertically, the vertical rise is a minimum 3 feet and
a maximum 40 feet from the centre of the fi replace fl ue outlet.

FIGURE 11

FIGURE 12

BGD42CF

NOTE: When terminating vertically, the restrictor plate W500-0205 must be installed. Refer to
Restricting Vertical Vents.

FIGURE 13

* See Venting Section

FIGURE 14

W415-0661 / C / 02.20.08

SPECIAL VENT INSTALLATIONS

BGD36CF(G)

PERISCOPE TERMINATION CORNER TERMINATION

Use the GD201 periscope kit to locate the air termination above
grade. The periscope must be installed so that when fi nal grading
is completed, the bottom air slot is located a minimum of 12" above

grade. The maximum allowable vent length is 10'.

9

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
when using rigid. See FIGURE 18. Flexible venting must maintain a

6" rise. See FIGURE 19.

FIGURE 18

FIGURE 15

TOP EXIT INSTALLATION

BGD42CF

FIGURE 16

REAR EXIT INSTALLATION

PERISCOPE TERMINATION

Use the GD401 periscope kit to locate the air termination above
grade. The periscope must be installed so that when fi nal grading
is completed, the bottom air slot is located a minimum of 12" above
grade. The maximum allowable vent length is 10'.

FIGURE 19

FIGURE 17

W415-0661 / C / 02.20.08

10

VENTING APPLICATION FLOW CHART

BGD36CF(G)

Horizontal

Termination

Vertical

rise is

equal to

or greater

than the

horizontal

run

Horizon­tal run +

vertical

rise to

maximum

of 40 feet

REAR EXIT

Vertical

rise is

less than

horizontal

run

Horizontal
run + verti­cal rise to
maximum
of 24.75
feet

Vertical

Termination

Vertical

rise is

equal to

or greater

than the

horizontal

run

Horizon­tal run +

vertical

rise to

maximum

of 40 feet

FIREPLACE VENT EXIT

Horizontal

Termination

Vertical

rise is

less than

horizontal

run

Horizon-

tal run +

vertical

rise to
maximum
of 40 feet

3 times

Vertical

rise is

equal to

or greater

than the

horizontal

run

Horizon­tal run +

vertical

rise to

maximum

of 40 feet

TOP EXIT

Vertical

rise is

less than

horizontal

run

Horizontal
run + verti­cal rise to
maximum
of 24.75
feet

Vertical

Termination

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

horizontal

run

Horizon-

tal run +

vertical

rise to
maximum
of 40 feet

BGD42CF

3.5 times
the verti-

cal rise

equal to

or greater

than the

horizontal

run

The

vertical rise

equal to or

greater than

the horizontal

run

HORIZONTAL TERMINATION

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 horizontal run

Horizontal run +
vertical rise to maxi­mum of 24.75 feet

4.2 times the verti­cal rise equal to or

greater than the

horizontal run

4.2 times
the verti-

cal rise

equal to

or greater

than the

horizontal

run

VERTICAL TERMINATION

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

3 times The

vertical rise

equal to or

greater than

the horizontal

run

W415-0661 / C / 02.20.08

11

DEFINITIONS

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

- total of both horizontal vent lengths (HR) and offsets

H

T

(H

) in feet

O

H

- combined horizontal vent lengths in feet

R

- offset factor: .03 (total degrees of offset - 90°*) in

H

O

feet

- combined vertical vent lengths in feet

V

T

ELBOW VENT LENGTH VALUES

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

* BGD36CF the fi rst 90° offset has a zero value and is shown in
the formula as - 90°
* BGD42CF the fi rst 45° and 90° offset has a zero value and
is shown in the formula as -45° and - 90° respectively or -135°

combined.

BGD36CF(G) TOP EXIT / HORIZONTAL TERMINATION

when (HT) < (VT)

Simple venting confi guration (only one 90° elbow)
See graph to determine the required vertical rise V
horizontal run H

.

T

FIGURE 20

for the required

T

Formula 1: HT < V

T

Formula 2: HT + VT < 40 feet

Example 1:

90°

V

2

H

2

For vent configurations requiring more
than one 90° elbow, the following formulas
apply:

VERTICAL
RISE IN FEET

V

T

HORIZONTAL VENT RUN PLUS OFFSET IN FEET H

The shaded area within the lines represents acceptable values

and V

for H

T

.

T

H

90°

V

1

V1 = 3 ft

= 8 ft

V

2

VT =

V1 +

V2 =

T

H1 = 2.5 ft

H

= 2 ft

2

= H1 + H2 = 2.5 + 2 = 4.5 ft

H

R

= .

H

O

HT = HR + HO = 4.5 + 5.4 = 9.9 ft

+ VT = 9.9 + 11 = 20.9 ft

H

T

Formula 1: H

Formula 2: H

20.9 < 40
Since both formulas are met, this vent confi guration is ac­ceptable.

3 + 8 = 11 ft

03 (three 90° elbows - 90°) = .03(270° - 90°) = 5.4 ft

< V

T

T

9.9 < 11

+ VT < 40 feet

T

90°

1

FIGURE 21

W415-0661 / C / 02.20.08

12

BGD36CF(G) TOP EXIT / HORIZONTAL TERMINATION

when (H
Simple venting confi guration (only one 90°

elbow)

See graph to determine the required vertical
rise V

The shaded area within the lines represents acceptable values
for H

For vent confi gurations requiring more than one 90° elbow the fol­lowing formulas apply:

Formula 1: H
Formula 2: HT + VT < 24.75 feet

Example 2:

) > (VT)

T

for the required horizontal run HT.

T

REQUIRED VERTICAL RISE

IN INCHES V

and V

T

T

T

.

< 4.2 V

T

T

FIGURE 22

HORIZONTAL VENT

RUN PLUS OFFSET IN

FEET H

Example 3:

FIGURE 24

V

90°

H

1

1

H

V

2

2

H

H

4

3

90°

= 4 ft

V

1

= 1.5 ft

V

2

VT = V1 + V2 = 4 + 1.5 = 5.5 ft

H1 = 2 ft

= 1 ft

H

2

= 1 ft

H

3

H

= 1.5 ft

4

HR = H1 + H2 + H3 + H4 = 2 + 1 + 1 + 1. 5 = 5.5 ft

= .03 (four 90° elbows - 90°) = .03(360° - 90°) = 8.1 ft

H

O

HT = HR + HO = 5.5 + 8.1 = 13.6 ft

+ VT = 13.6 + 5.5 = 19.1 ft

H

T

Formula 1: H

T

4.2 V

Formula 2: H

19.1 < 24.75

Since both formulas are met, this vent confi guration is ac­ceptable.

< 4.2 VT

T

= 4.2 x 5.5 = 23.1 ft

T

13.6 < 23.1

+ VT < 24.75 feet

T

H

V

1

1

H

2

90°

FIGURE 23

V1=VT = 6 ft

=3 ft

H

1

H

=5 ft

2

+ H2 = 3 + 5 = 8 ft

H

R=H1

H

=.03 (two 90° elbows - 90°) = .03(180° - 90°) = 2.7 ft

O

+ HO = 8 + 2.7 = 10.7 ft

H

T=HR

HT + VT =
Formula 1: H

4.2 V

Formula 2: H

16.7 < 24.75
Since both formulas are met, this vent confi guration is acceptable.

W415-0661 / C / 02.20.08

10.7 + 6 =16.7

< 4.2 VT

T

+ VT < 24.75 feet

T

= 4.2 x 6 = 25.2 ft

T

10.7 < 25.2

BGD36CF(G) REAR EXIT / HORIZONTAL TERMINATION

when (HT) < (VT)

Simple venting confi guration (only two 90° elbows)

FIGURE 25

See graph to determine the required vertical rise VT for the required
horizontal run H

T

when (HT) > (VT)

Simple venting
confi guration (only
two 90° elbows)

FIGURE 27

See graph to determine the required vertical rise VT for the required
horizontal run H

T

13

REQUIRED VER­TICAL RISE IN

FEET

V

T

HORIZONTAL VENT RUN PLUS OFF-

SETS IN FEET H

T

The shaded area within the lines represents acceptable values

and V

for H

T

.

T

For vent confi gurations requiring more than two 90° elbows the fol­lowing formulas apply:

90°

2

V

V

1

90°

90°

H

2

3

FIGURE 26

90°

Formula 1: HT < V

T

Formula 2: HT + VT < 40 feet

H

H

1

Example 4:

= 9 ft

V

1

= 6 ft

V

2

V

=

V1 +

V2 =

T

9 + 6 = 15 ft

H1 = 3 ft

H

= 2 ft

2

= 1.5 ft

H

3

HR = H1 + H2 + H3 = 3 + 2 + 1.5 = 6.5 ft

= .03 (four 90° elbows - 90°)

H

O

= .03(90 + 90 + 90 + 90 - 90) = 8.1 ft

HT = HR + HO = 6.5 + 8.1 = 14.6 ft

H

+ VT = 14.6 + 15 = 29.6 ft

T

Formula 1: H

Formula 2: H

< V

T

T

14.6 < 15

+ VT < 40 feet

T

29.6 < 40
Since both formulas are met, this vent confi guration is ac-

ceptable.

REQUIRED VERTICAL
RISE IN INCHES

V

T

HORIZONTAL VENT RUN

PLUS OFFSETS IN FEET

H

T

The shaded area within the lines represents acceptable
values for H

and V

T

For vent confi gurations requiring more than two 90° elbows the fol­lowing formulas apply:

Formula 1: HT < 3.5V
Formula 2: HT + VT < 24.75 feet

Example 5:

V1=4 ft

=1.5 ft

V

2

VT=

V1 +

V2 =

4 + 1.5 = 5.5 ft

H1=2 ft

=1 ft

H

2

H

=1 ft

3

=1.5 ft

H

4

HR=H1 + H2 + H3 + H4 = 2 + 1 + 1 + 1.5 = 5.5 ft

=.03 (four 90° elbows + one 45° elbow - 90°)

H

O

=.03(90 + 90 + 90 + 90 + 45 - 90) = 9.45 ft

HT=HR + HO = 5.5 + 9.45 = 14.95 ft

H

+ VT= 14.95 + 5.5 = 20.45 ft

T

Formula 1: H

3.5VT =

Formula 2: H

20.45 < 24.75
Since both formulas are met, this vent confi guration is ac-

ceptable.

.

T

T

H

H

1

< 3.5V

T

14.95 < 19.25

T

T

3.5 x

+ VT < 24.75 feet

90°

2

V

1

90°

5.5 = 19.25 ft

90°

H

4

V

2

45°

90°

H

3

FIGURE 28

W415-0661 / C / 02.20.08

14

BGD36CF(G) TOP OR REAR EXIT VERTICAL TERMINATION

when (HT) < (VT)

Simple venting confi guration (only two
90° elbows)

when (HT) > (VT)

Simple venting confi gurations

FIGURE 29

REQUIRED
VERTICAL
RISE IN

V

FEET

T

HORIZONTAL VENT RUN PLUS

OFFSET IN FEET

H

T

The shaded area within the lines represents acceptable values

and V

for H

See graph to determine the required vertical rise V
horizontal run H

.

T

T

for the required

T

T

For vent confi gurations requiring more than zero 90° elbow (top exit)
or one 90° elbow (rear exit), the following formulas apply:

Formula 1: HT < V

T

Formula 2: HT + VT < 40 feet

Example 6:

90°

V

FIGURE 30

H

H

1

V1=5 ft

=10 ft

V

2

VT=

V1 +

V2 =

5 + 10 = 15 ft

H1=3 ft

H

=2.5 ft

2

HR=H1 + H2 = 3 + 2.5 = 5.5 ft

=.03 (three 90° elbows - 90°)

H

O

=.03(90 + 90 + 90 - 90) = 5.4 ft

HT=HR + HO = 5.5 + 5.4 = 10.9 ft

H

+ VT= 10.9 + 15 = 25.9 ft

T

Formula 1: H

Formula 2: H

< V

T

T

10.9 < 15

+ VT < 40 feet

T

25.9 < 40
Since both formulas are met, this vent confi guration is ac-

ceptable.

W415-0661 / C / 02.20.08

V

1

90°

2

90°

FIGURE 31

See graph to determine
the required vertical rise V

T

for the required horizontal

.

run H

T

MAXIMUM
VERTICAL
RISE IN
FEET

V

T

HORIZONTAL VENT RUN PLUS OFFSET IN

FEET

H

T

The shaded area within the lines represents acceptable values

and V

for H

T

For vent confi gurations requiring more than two 90° elbows (top exit)

.

T

or one 90° elbow (rear exit), the following formulas apply:

Formula 1: HT < 3V

T

Formula 2: HT + VT < 40 feet

Example 7:

90°

90°

V

1

H

1

V

H

2

90°

2

FIGURE 32

V1 = 2 ft

= 1 ft

V

2

V

= 1.5 ft

3

VT =

V1 +

V2 + V3 =

H1 = 6 ft

= 2 ft

H

2

HR = H1 + H2 = 6 + 2 = 8 ft

= .03 (four 90° elbows - 90°)

H

O

= .03(90 + 90 + 90 + 90 - 90) = 8.1 ft

HT = HR + HO = 8 + 8.1 = 16.1 ft

+ VT = 16.1 + 4.5 = 20.6 ft

H

T

Formula 1: H

Since this formula is not met, this vent confi guration is unac­ceptable.

Formula 2: H

20.6 < 40
Since only formula 2 is met, this vent confi guration is unacceptable

and a new fi replace location or vent confi guration will need to be
established to satisfy both formulas.

2 + 1 + 1.5 = 4.5 ft

< 3V

T

T

3V

= 3 x 4.5 = 13.5 ft

T

+ VT < 40 feet

T

V

3

2

90°

BGD36CF(G) TOP OR REAR EXIT VERTICAL TERMINATION

Example 8:

H

90°

1

V

H

1

90°

45°

2

H

3

FIGURE 33

V1 = 1.5 ft

= 5 ft

V

2

VT =

V1 +

V2 =

1.5 + 5 = 6.5 ft

H1 = 1 ft

= 1 ft

H

V

90°

2

2

= 10.75 ft

H

3

HR = H1 + H2 + H3 = 1 + 1 + 10.75 = 12.75 ft

H

= .03 (three 90° elbows + one 45° elbow - 90°)

O

= .03(90 + 90 + 90 + 45 - 90) = 6.75 ft

HT = HR + HO = 12.75 + 6.75 = 19.5 ft

+ VT = 19.5 + 6.5 = 26 ft

H

T

Formula 1: H

3VT =

Formula 2: H
26 < 40
Since both formulas are met, this vent confi guration is accept-

able.

< 3V

T

T

19.5 < 19.5

+ VT < 40 feet

T

3 x

6.5 = 19.5 ft

15

W415-0661 / C / 02.20.08