Figure 3
. Fireplace installation, (Rough Frame-In dimensions).
Framing Dimensions
Model
Q
R
U
R-Series R720*
101"
46"
**23"
†
R-Series R820*
113"
46"
**23"
†
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
�
Q (Opening)
R
(Opening)
U
3/4”
Plywood
Drywall
or Equiv.
Platform
** See Figure 1 or 1a.
† U is 29" for straight out the back vent run installations.
Raised Installation:
Maximum
Platform Height
Minimum Required
Ceiling Height
24"
8'
48"
10'
24"
610
34"
863
8"
203
PVHEX510-300
Stud Wall
Rear
Fireplace
Floor
Header
Termination
Mounting
Flange
24"
610
38 34 "
983
18 14 "
463
PVHFL510-300
Stud Wall
Rear
Fireplace
Floor
Header
Termination
Mounting
Flange
Figure 2b.
Clearances for straight rear vented installation with
PVHEX510-300.
Figure 2c.
Clearances for straight rear vented installation with
PVHFL510-300.
Note:
Images are shown without screens for clarity purposes�
However, your fireplace should not be operated without proper
installation of screens�
R720 & R820 Power Vent Indoor Gas Fireplace
Page 11
XG0772 - 150105�4
Installation
