Heatilator CD4236IR-C Owner's Manual page 28

Top Vent - Horizontal Termination
One Elbow
Figure 7.4
Two Elbows
H
2
Figure 7.5
28
H
1
Note: For corner installations: A 6 inch
(152 mm) section of straight pipe may
need to be attached to the appliance
before a 90º elbow, to allow the vent
pipe to clear the top standoffs.
H
1
INSTALLED
HORIZONTALLY
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. L • 3/14
V Minimum
1
Elbow only
1/2 ft.
1 ft.
1-1/2 ft.
V
2 ft.
1
V + H
1
H
1
Note: For corner installations: A 6 inch (152
mm) section of straight pipe may need to
be attached to the appliance before a 90º
elbow, to allow the vent pipe to clear the top
standoffs.
V Minimum
1
Elbow only
1/2 ft.
1 ft.
1-1/2 ft.
2 ft.
V + H
1
H + H
1
V
1
H Maximum
1
2 ft 610 mm
152 mm 6 ft. 1.8 m
305 mm 11 ft. 3.4 m
457 mm 18 ft. 5.5 m
610 mm 25 ft. 7.6 m
= 40 ft. (12.2 m) Maximum
1
= 25 ft. (7.6 m) Maximum
H + H Maximum
1 2
2 ft 610 mm
152 mm 6 ft. 1.8 m
305 mm 11 ft. 3.4 m
457 mm 18 ft. 5.5 m
610 mm 25 ft. 7.6 m
+ H = 40 ft. (12.2 m) Maximum
1 2
= 25 ft. (7.6 m) Maximum
2