Montigo R320 - Manual (Page 9)

Frame in the enclosure for the unit with framing materials, see Figure 3 .
NOTE: When constructing the framed opening, please ensure there is
access to install the gas line when the unit is installed. See Figure 16.
Clearances:
To ensure the fireplace operates safely, all models must maintain
the following clearances:
R320* 24 24 2 6 3 0 See Section 7
Finishing around
the fireplace
R420* 24 24 2 6 3 0
MODEL Top - Rear V
ent
†
Rear - T
op V
ent
Rear - Rear V
ent
Sides Floor Mantel Top - T
op V
ent
†
† Note: Clearance from top of fireplace to a combustible ceiling
within the fireplace enclosure.
Unprotected combustible walls which are perpendicular to the fireplace
opening must maintain 6" clearance, see figure 20.
Figure 2. Clearances for rear vented installation with elbow.
Figure 2a. Clearances for top or rear vented installation, straight vent run or with
elbow(s).
Venting Clearance Requirements:
Wall framing
14” Min.
Wall framing
2” Min.
24" Min
Note: Images are shown without screens for clarity purposes.
However, your fireplace should not be operated without proper
installation of screens.
R320 & R420 Power Vent Indoor Gas Fireplace
Page 9
XG0770 - 150105.1
Installation
Section 2: Framing