Section 3-3: Installing A Wall Mounted Vent System - Montigo R520 Installation & Maintenance Manual

R520 Power Vent Indoor Gas Fireplace

Section 3-3: Installing a Wall Mounted Vent System

This section applies to installations where the shortest possible vent
run is through the wall. Refer to Appendix A - Power Vent locations,
to ensure the planned Power vent location is acceptable. Refer to
the table below for vent run requirements.
Vent Configuration
Straight Horizontal Top or Rear Vent
Multi-Elbow Top or Rear Vent
Multi-Elbow with 6' downward vent
run Top or Rear Vent
† One 90° elbow is equal to two 45° elbows.
** For every additional 1 foot downward vent run subtract 10 feet from the maximum vent run.
Figure 12. Straight Horizontal, Top or Rear Vent, Wall
mounted .....................................................................
power vent.
Page 16
Installation
Maximum Vent Run
Refer to Figure
(Horizontal + Vertical)
Figure 12
Figure 12a
Figure 12b
Figure 12a. Multi-Elbow, Top or Rear Vent, Wall mounted power vent.
Maximum Elbows†
100 Feet
equivalent †
70 Feet**
Six 90°
or
XG0771 - 150204.3