Raised Installation; Section 2: Framing - Montigo R520 Installation & Maintenance Manual

Raised Installation:

Determine the height of the platform based on where you want the
bottom edge of the glass to be, see figure 1 or 1a for unit dimensions.
Maintain minimum ceiling height shown in table. Build fireplace frame
as shown in figure 3.
Figure 3. Fireplace installation, (Rough Frame-In dimensions).
† U is 29" for straight out the back vent run installations.
XG0771 - 040513.3
Installation
Q (Opening)
Framing Dimensions
Model Q R
R-Series R520* 77" 45"
R-Series R620* 89" 45"
** See Figure 1 or 1a.
R520 & R620 Power Vent Indoor Gas Fireplace
Maximum
Platform Height
24"
48"
U
**23"†
(Opening)
**23"†
Minimum Required
Ceiling Height
86"
110"
U
Drywall
or Equiv.
R
3/4"
Plywood
Platform
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