Section 3-3-1: Venting Layout; Wall And Roof Mounted Venting - Montigo DelRay DRL3613NI Installation & Maintenance Manual

Section 3-3-1: Venting Layout

Wall and Roof mounted venting
34' MAXIMUM VERTICAL HEIGHT
20' MAXIMUM HORIZONTAL OFFSETS
3 MAXIMUM 90° ELBOWS PERMITTED
The minimum vent system for horizontal termination must consist of:
10" vertical section and 90° Elbow of the top of the unit (16 1/8" measured
from top of the unit to center of elbow) . Then a 12" horozontal section.
The maximum horizontal vent system consists of:
34' vertical length with 3 - 90° bends and a 20' horizontal length
(measured to center of pipe)
34
30
28
26
24
22
20
H1
18
16
14
12
V1
10
8
6
4
2
1
1 2 4 6 8
Horizontal Run (ft.)
Vertical
Minimum
V1+V2
4'
8'
XG0226 - 180904
H2
V2
A
10 12 14 16 18 20
Horizontal
Maximum
H1+H2
10' "A" on chart
20' "B" on chart
"A" Minimum Horizontal vent run:
10" vertical section and 90° Elbow of the top of the unit (16 1/8"
measured from top of the unit to center of elbow).
"B" Maximum Vertical vent run:
34' vertical length with a roof termination, restrictor recommended.
"C" Maximum Horizontal vent run:
34' vertical length with 3 elbows, and the maximum 20 feet horizontal run.
B
Figure 4.bb Minimum Horizontal vent run (Rigid)
Installation
9