Napoleon Fireplaces BGD40-N manual Horizontal Termination, Definitions, Elbow Vent Length Values

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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

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 - 135°*) in feet

VT - combined vertical vent lengths in feet

ELBOW VENT LENGTH VALUES

 

Feet

inches

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 fi rst 45º and 90° offset has a zero value and is shown in the formula as -45°and -90ºrespectively or -135ºwhen combined.

HORIZONTAL TERMINATION

When (HT) < (VT)

Simple venting confi guration (only one 45º and 90° elbow)

90°

FIGURE 5

4

HT - total of both horizontal vent lengths (HR) and offsets (HO) in feet

REQUIRED

VERTICAL

R I S E I N

FEET (VT)

CALCULATED HORIZONTAL VENT RUN PLUS OFFSETS IN FEET (HT)

The shaded area within the lines represents acceptable values for HT and VT .

For vent confi gurations requiring more than one 45º and 90° elbow, the following formulas apply:

Formula 1: HT < VT

Formula 2: HT + VT < 40 feet

Example 1:

H2

 

90°

V1

FIGURE 6

45º

H1 90°

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 45º elbow + two 90º elbows - 135º)

=0.3(225-135º) = 2.7ft

HT

=

HR + HO = 4.5 + 2.7 = 7.2 ft

HT + VT = 7.2 +8 =15.2ft

Formula 1: HT < VT

7.2< 8

Formula 2: HT + VT < 40 feet 15.2 < 40

Since both formulas are met, this vent configuration is acceptable.

W415-0299 / J / 04.14.08

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Contents $10.00 W415-0299 / J Table of Contents Napoleon GAS Fireplace Presidents Lifetime Limited Warranty General Information IntroductionGeneral Instructions Care of GLASS, and Plated PartsDimensions Venting Lengths VentingSupplier Minimum AIR Terminal Location Clearances Vertical Termination Venting Application FlowchartHorizontal run + verti- cal rise to maximum of 24.75 feet Special Vent Installation Periscope TerminationDefinitions When HT VTHorizontal Termination Elbow Vent Length ValuesFormula 2 HT + VT 24.75 feet Simple venting confi guration only one 45º and 90 elbowVertical Termination = V 1 + V 2 = 1 + 1.5 = 2.5 ft =1 ft=1.5 ft =6 ftVenting Peninsula Installation ProcedureCounter TOP / BAR Installation FramingBrick Panel Installation Facing FinishingOPEN-END Installation Procedure Brick Panel InstallationSEE-THROUGH Installation Procedure Venting FacingMinimum Vent Framing Dimensions Minimum Enclosure DimensionsAdjustable Firestop Installation Wall and Ceiling ProtectionHorizontal Installation Vertical InstallationUsing Flexible Vent Components Elbow SpacersGAS Installation Fireplace Vent ConnectionFinishing Optional Wall Switch InstallationMinimum Mantel and Enclo Sure Clearances LOG Placement Locating Pins #1 Locating PinsLogo Placement Door InstallationL36 Louvre Installation Glowing EmbersEND Door Installation Do not over-tightenOptional Blower Installation Do not overtighten thermodisc or distort housingMaintenance Operation / MaintenanceFireplace Venturi Adjustment AdjustmentsPilot Burner Adjustment Flame CharacteristicsGD420 5 Foot ReplacementsGD430 10 Foot W415-0299 / J Accessories # Part No. DescriptionTrouble Shooting Guide Symptom Problem Test SolutionRefer to Main Burner Goes OUT Pilot Stays on Fireplace Service History W415-0299 / J W415-0299 / J
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