Raised Installation - Montigo R420 Installation Manual

R320 & R420 Power Vent Indoor Gas Fireplace
34"
863
Header
8"
24"
203
610
Fireplace
Figure 2b. Clearances for straight rear vented installation with PVHEX58-300.
Note: Images are shown without screens for clarity purposes.
However, your fireplace should not be operated without proper
installation of screens.

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.
Page 10
Installation
Stud Wall
Rear
Termination
Mounting
Flange
PVHEX58-300
Floor
Q (Opening)
Framing Dimensions
Model Q R
R-Series R320* 55" 47" **23¾"†
R-Series R420* 67" 47" **23¾"†
** See Figure 1 or 1a.
Header
18
24"
610
Fireplace
Figure 2c. Clearances for straight rear vented installation with PVHFL58-300.
Maximum
Platform Height
24"
48"
U
(Opening)
3
38 "
4
983
Stud Wall
Rear
1
"
4
PVHFL58-300
463
Termination
Mounting
Flange
Floor
Minimum Required
Ceiling Height
8'
10'
U
Drywall
or Equiv.
R
3/4"
Plywood
Platform
XG0770 - 150105.1