Napoleon BGD40-N, Инструкция по установке и эксплуатации

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16
W415-0811 / A / 04.28.10
3.9 VERTICAL TERMINATION
(H
T
) < (V
T
)
Simple venting configurations.
See graph to determine the required vertical rise V
T
for the
required horizontal run H
T
.
REQUIRED
VERTICAL
RISE IN
FEET V
T
HORIZONTAL VENT RUN PLUS OFFSET IN FEET H
T
For vent configurations requiring more than one 45° and one 90° elbow, the following formulas apply:
Formula 1: H
T
< V
T
Formula 2: H
T
+ V
T
< 40 feet
Example 3:
V
1
= 5 FT
V
2
= 10 FT
V
T
= V
1
+ V
2
= 5 + 10 = 15 FT
H
1
= 3 FT
H
2
= 2.5 FT
H
R
= H
1
+ H
2
= 3 + 2.5 = 5.5 FT
H
O
= .03 (one 45° + three 90° elbows - 135°)
= .03 (45 + 270 - 135°) = 5.4 FT
H
T
= H
R
+ H
O
= 5.5 + 5.4 = 10.9 FT
H
T
+ V
T
= 10.9 + 15 = 25.9 FT
Formula 1: H
T
< V
T
10.9 < 15
Formula 2: H
T
+ V
T
< 40 FT
25.9 < 40
Since both formulas are met, this vent configuration is acceptable.
The shaded area within the lines represents acceptable
values for H
T
and V
T
0
5 10 15 20
40
10
20
30
3
90°
V
1
H
1
H
2
90°
90°
18.3
45°
V
2