Table des Matières

Publicité

3.8

TOP EXIT HORIZONTAL TERMINATION

Simple venting confi guration (only one 90° elbow)
For vent confi gurations requiring more than one 90° elbow, the following formulas apply:
Formula 1: H
T
Formula 2: H
T
Example:
= 3 FT
V
1
= 8 FT
V
2
= V
+ V
= 3 FT + 8 FT = 11 FT
V
T
1
2
= 2.5 FT
H
1
= 2 FT
H
2
= H
+ H
= 2.5 + 2 = 4.5 FT
H
R
1
2
= .03 (three 90° elbows - 90°) = .03 (270° - 90°) = 5.4 FT
H
O
= H
+ H
H
T
R
O
+ V
= 9.9 + 11 = 20.9 FT
H
T
T
Formula 1:
Formula 2:
Since both formulas are met, this vent confi guration is acceptable.
< V
T
+ V
< 40 feet
T
= 4.5 + 5.4 = 9.9 FT
H
< V
T
T
9.9 < 11
H
+ V
< 40 FT
T
T
20.9 < 40
(H
) < (V
)
T
T
See graph to determine the required vertical
rise V
40
39
30
REQUIRED
VERTICAL
20
RISE IN
FEET V
T
10
0
2.5
HORIZONTAL VENT RUN PLUS OFFSET IN
The shaded area within the lines represents
acceptable values for H
for the required horizontal run H
T
5
7.5
10
12.5
15
FEET H
T
and V
T
90°
V
2
90°
H
90°
1
V
1
16.1A
W415-0153 / E / 05.28.12
15
.
T
17.5
20
T
H
2

Publicité

Table des Matières
loading

Ce manuel est également adapté pour:

Gs28nGds28pGs28pGds28-1nsbBci2707737

Table des Matières