12
Installation
XG0231 - 061120
Elbow 1
Elbow 2
Elbow 3
Elbow
H1
V1
D = 6’ foot
MAX
V3
H2
Elbow 4
This section applies to installations where the most efficient vent run is
through the roof. Refer to Appendix A - Power Vent locations, to ensure
the planned Power vent location is acceptable.
Figure 6.b
Multi-Elbow, Top Vent, Roof mounted power vent.
Figure 6.c
Multi-Elbow with downward vent run, Top or Rear Vent, Roof mounted power vent.
Multi-Elbow Installations
Downward Vertical Venting
V1
V1
V3
D = 6' Max
V2
H1
H1
Elbow 1
Elbow 1
Elbow 2
Elbow 3
Elbow 4
H2
H2
V3
Section 3-2: Installing a Roof Mounted Vent System
Figure 6.
Straight Vertical, Top Vent, Roof mounted power vent.
Selection of components and details of venting lay out should
adhere to the following guidelines:
Ensure the maximum vent run does not exceed 80’
Ensure the number of 90° elbows does not exceed 6
Ensure the number of 45° elbows does not exceed 12
Straight Venting Layout
V (Maximum
Length)
Max. #
Elbows
R320ST
R420ST
80'
N/A
R520ST
R620ST
120'
N/A
MAX V1+H1+
V2+H2+V3
Max. #
Elbows
R320ST, R420ST
80'
6
R520ST, R620ST
100'
6
MAX V1+H1+
D+H2+V3
Max. #
Elbows
R320ST, R420ST
40'
6
R520ST, R620ST
40'
6
Summary of Contents for R320STL
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