Instruction manual
Figure 7. Flue cover and collar removal, Top Vented replace
Figure 7a. Flue cover and collar installation, Rear Vented replace
R720 & R820 Power Vent Indoor Gas Fireplace
Page 13
XG0772 - 100614
Installation
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
efcient possible run to an external wall or through the roof.
Notes For Planning Venting:
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 ue cover with gasket (5" and 10") on
the ue outlet, as shown in Figure 7. ENSURE YOU DO
NOT DAMAGE THE FIBRE GASKETS�
2. Remove the Top ue collar (5" and 10") on the ue outlet,
as shown in Figure 7. ENSURE YOU DO NOT DAMAGE
THE FIBRE GASKETS�
5” Inner Flue Collar
10” Outer Flue Collar
10” Flue Cover Plate
5” Flue Cover Plate
(with gasket)
(with gasket)
(with gasket)
(with gasket)
10” Flue Cover Plate
5” Flue Cover Plate
5” Inner Flue Collar
10” Outer Flue Collar
(with gasket)
(with gasket)
(with gasket)
(with gasket)
■ R-Series replaces 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 replaces are shipped Top Vent from the factory.
■ Ensure there is a minimum vent run of 2' of straight vent pipe
before the power vent, except for straight rear vented installs�
■ Follow the chart on page 15 or page 19 for maximum vent run
and maximum elbows�
3. Install the removed Rear ue 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�
5� Proceed to Section 3-1-2: Converting Pressure Sensing
Tube and Air Bafe.