Page 9
Installation
Figure 9. Installing the rear vent terminations.
Combustion Air Supply System
Installation Requirements
An intake grill will have to be installed with the same size of the total opening
as the combined air supply ducts on the unit. Make sure you have calculated
the restriction and selected the proper grill size.
The C-View fireplace is supplied with two or more combustion air duct
connection points. Do not reduce the size of the air supply system, or restrict
the air supply in any way. On any combustion air supply run longer than 25
feet the duct should be increased in size to prevent a restriction.
A vacuum safety switch, located under the burners, will monitor the combustion
air supply pressure and will prevent the burner from igniting, or continuing
to burn if the pressure is negative, past 0.3WC.
For air supply runs over 25 feet consult with Montigo to have the vent supply
re-sized.
Installation Requirements for Interior Power Venter,
Model: Exhausto RSIF 160/180/300/350/400/500
Vent size used will depend solely on Gas Fireplace model number, size
of unit. C-View Models 520-920 will use 10"diameter B-Vent, with C-View
Models 1020-1620 using 12"diameter B-Vent.
C-View Gas Fireplaces are certified for use with any approved UL Certified
B-Vent, supplied from fireplace to In-line Power Vent Module.
A flexible insulated Vent pipe manufactured and listed by Montigo will connect
the Power Vent Module to the termination.
All joints between the Power Venter and Termination must be sealed air-tight
with silicon or approved equal.
The flexible portion of insulated pipe must have 1" clearance to all combus-
tibles.
Min. 2” Clearance around
Horizontal Venting as per.
Montigo B-Vent specifica-
tions. Maximum 60’ feet
horizontal Venting with
3-elbows. Seal at both
ends with high temp-
erature sealant.
12”B-Vent Slip
Section
12”B-Vent
Slip Section
12”Min Height
Power Vent
Frame,Min.
22”x 22”box
Power Vent
Termination
22”
Power Vent
Termination
Power Vent
Frame
22”
10”or 12” B-Vent Duct, One
run for Horizontal or Vertical
Installation Required.
Figure 8. Typical B-vent congurations.
Min. 1” Clearance around
Horizontal Venting as per.
Montigo Flexible Vent
specifications. Max.30’feet
horizontal Venting with
3-elbows. Seal at both
ends with high temp-
erature sealant.
Exhausto Model
RSIF 160/180
Power Vent
12”Min Height
Power Vent
Frame, Min.
22”x 22”box
22”
Termination
8” B-Vent Section.
Vertical Vent Runs
over 30’contact
C-View Manufacturer
22”
10” or 12” Flexible Duct, One
run for Horizontal or Vertical
Installation Required.
Figure 8a. Typical Flexible vent congurations.
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