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Section 3: Venting
Montigo supplies a variety of power venting options� The location of
the power vent should be selected and laid out to provide the most
efficient possible run to an external wall or through the roof.
Notes For Planning Venting:
■
R-Series fireplaces are Power Vent Designated.
■
Venting originates from the top or rear of the unit.
■
Venting can terminate through the roof or exterior wall.
■
For a detailed diagram of allowed termination locations, see
Appendix A�
■
Once the termination location has been established refer to
the appropriate section for installation details�
■
All fireplaces are shipped Top Vent from the factory.
■
Follow the chart on page 15 or page 19 for maximum vent run
and maximum elbows�
Section 3-1: Converting to Rear Vent
R-Series units are shipped for Top Vent installations� Follow the
instructions to convert unit for Rear Vent installation�
Section 3-1-1: Converting the Flue
1. Remove the Rear flue cover with gasket (5" and 10") on
the flue outlet, as shown in Figure 7. ENSURE YOU DO
NOT DAMAGE THE FIBRE GASKETS�
2. Remove the Top flue collar (5" and 10") on the flue outlet,
as shown in Figure 7. ENSURE YOU DO NOT DAMAGE
THE FIBRE GASKETS�
5" Flue Cover Plate
(with gasket)
10" Flue Cover Plate
(with gasket)
Figure 7. Flue cover and collar removal, Top Vented
fireplace
XG0772 - 150105�4
Installation
Figure 7a. Flue cover and collar installation, Rear Vented
fireplace
5" Inner Flue Collar
(with gasket)
10" Outer Flue Collar
(with gasket)
R720 & R820 Power Vent Indoor Gas Fireplace
3. Install the removed Rear flue cover (5" and 10") to the Top
Vent outlet� Fasten the cover with included hardware, as
shown in Figure 7a�
4� Install the collars (5" and 10") to the rear vent outlet using
the included hardware, as shown in Figure 7a�
10" Outer Flue Collar
(with gasket)
5" Inner Flue Collar
(with gasket)
5� Proceed to Section 3-1-2: Converting Pressure Sensing
Tube and Air Baffle.
10" Flue Cover Plate
(with gasket)
5" Flue Cover Plate
(with gasket)
Page 15
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