DV Power Vent System
10
10003262
Venting Down:
A -
Maximum 40FT of straight pipe.
B-
Minimum 10FT of straight pipe for units up to 33,000BTU/h,
Minimum 15FT of straight pipe for units from 33,000BTU/h
to 40,000BTU/h.
C
-Maximum 6FT of straight pipe.
D
-Maximum 12FT down.
A
= L
1
+L
2
+L
3
+L
4
+L
5
+L
6
B
= L
1
+L
2
+L
3
+L
4
C
= L
5
+L
6
D
= L
1
+L
2
In the above example there are:
4 times 90 degrees elbows = 360 degrees
2 times 45 degrees elbows = 90 degreees
Total elbow degrees = 450 degrees
Installation is OK
L
6
L
5
L
2
L
4
L
3
L
1
