Heatilator CD4236IR-C Owner's Manual page 33

Rear Vent - Horizontal Termination - (continued)
Two Elbows
Figure 7.16
Three Elbows
INSTALLED
HORIZONTALLY
H
3
Figure 7.17
H
1 ft.
2 ft.
3 ft.
3 ft.
3 ft.
3 ft.
H
2
H
2
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. G • 8/10
Maximum V Minimum
1 1
Back to Back
305 mm
90º Elbows
610 mm 6 in. 152 mm
914 mm 1 ft. 305 mm
914 mm 2 ft. 610 mm
914 mm 3 ft. 914 mm
914 mm 4 ft 1.2 m
V + H + H = 40 ft. (12.2 m) Maximum
1 1 2
*H + H
1 2
V
1
H
1
H Maximum V Minimum
1 1
Back to Back
1 ft. 305 mm
90º Elbows
2 ft. 610 mm 6 in. 152 mm
3 ft. 914 mm 1 ft. 305 mm
3 ft. 914 mm 2 ft. 610 mm
3 ft. 914 mm 3 ft. 914 mm
3 ft. 914 mm 4 ft.
V + H + H + H = 40 ft. (12.2 m) Maximum
1 1 2 3
H + H + H
1 2
V
1
H
2
1 ft. 305 mm
2 ft. 610 mm
2 ft. 610 mm
4 ft. 1.2 m
9 ft. 2.7 m
17 ft. 5.2 m
H = 3 ft. (914 mm) Maximum
1
= 20 ft (6.1 m) Maximum
H + H
2 3
1 ft. 305 mm
1.5 ft. 457 mm
2 ft. 610 mm
4 ft. 1.2 m
9 ft. 2.7 m
1.2 m 12 ft. 3.7 m
H = 3 ft. (914 mm) Maximum
1
= 20 ft. (6.1 m) Maximum
3
H
1
H + H Maximum
1 2
2 ft. 610 mm
4 ft. 1.2 m
5 ft. 1.5 m
7 ft. 2.1 m
12 ft. 3.7 m
20 ft.* 6.1 m*
H + H + H Max.
1 2 3
2 ft. 610 mm
3.5 ft. 1.1 m
5 ft. 1.5 m
7 ft. 2.1 m
12 ft. 3.7 m
15 ft. 4.6 m
33