Heatilator • Novus NDV Series • 4055-187 Rev J • 08/09
31
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Two Elbows
Figure 7.12
Figure 7.13
Three Elbows
H
2
V
1
H
1
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measurement
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measurement
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H
2
V
1
H
3
H
1
Installed
Horizontally
Model
H
1
Max
Total Vert
V Min.
7RWDO+RUL]
H
1
+ H
2
NDV
Series
ft
0-2
1
3
m
ft
4
2
6
m
ft
6
3
9
m
ft
8
4
12
m
ft
8
5
15
m
ft
8
6
18
m
Model
H1 Max
Total Vert V
Min.
7RWDO+RUL]+
1
+ H
2
+ H
3
NDV
Series
IW
0-2
1
3
P
IW
4
2
6
P
IW
6
3
9
P
IW
8
4
12
P
IW
8
5
15
P
IW
8
6
18
P
