Section 1: Installation Overview & Product Dimensions; The R-Series R320-St & R420-St Fireplaces; Fireplace Dimensions; Clearances - Montigo R320-ST Installation & Maintenance Manual
R-series-st residential fireplace
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Also See for R320-ST:
- Information sheet (2 pages) ,
- Installation & maintenance manual (38 pages)
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Please review the Pre-Installation Checklist on Page 4 for
general information on preparing for a successful installation
of your fireplace.
The R-Series Residential R320-ST & R420-ST
fireplaces
The R-Series Residential R320-ST & R420-ST fireplaces may
be installed in any location that maintains proper clearances to air
conditioning ducts, electrical wiring and plumbing. Safety, as well
as efficiency of operation, must be considered when selecting the
fireplace location. Try to select a location that does not interfere
with room traffic, has adequate ventilation, and offers an accessible
pathway for Power Vent installation.
The fireplace dimensions are shown below:
K
Q
B
N
(Height)
P
M
J
J
D
(Opening)
D
(Opening)
C
C
R-Series R320 50¾" 43¼" 15⅛" 16⅛" 37⅛" 23¾" 45⅞"
R-Series R420 62¾" 43¼" 15⅛" 16⅛" 49⅛" 23¾" 45⅞"
XG0772 - 030711
Installation
F
R
O
G
(Overall
Height)
L
I
H
Side View
C L
I
H
C L
C L
C L
Top View
Top View
A (Width)
A (Width)
E (Opening)
Front View
E (Opening)
Front View
A
B
C
D
E
F
R320-ST & 420 ST Power Vent Indoor Gas Fireplace
Section 1: Installation Overview and Product Dimensions
Clearances
To ensure the R-Series Residential R320-ST and R420-ST Fireplaces
operate safely, all models must maintain the following clearances.
Clearances to Combustibles
Model#
R-Series R320
R-Series R420
Unprotected combustible walls which are perpendicular to the
fireplace opening, must not be closer to the fireplace than the
required 6" clearance.
XW2022
K
K
Q
Q
B
N
(Height)
P
B
N
(Height)
M
P
M
Unit Dimensions
G
H
I
J
K
8"
5"
12"
2⅝" 5⅞" 13⅝" 19¾" 15⅛" 33½" 9¾" 4⅜"
8"
5"
12"
2⅝" 5⅞" 13⅝" 19¾" 15⅛" 33½" 9¾" 4⅜"
Top
Sides
Floor Mantel
26"
3"
0"
26"
3"
0"
WARNING
The R-Series R320-ST & R420-ST are power
vented fireplace systems. Under no circumstances
can these model(s) be installed without a power
vent module.
For regular Horizontal vent installation use 5"/8"
model EDVWSPV58 with the rough-in kit,
EDVWSPV58F for the R320-ST & R420-ST.
For regular Vertical vent installation use 5"/8"
model EDVRSPV58 with the rough-in kit, EPVF58
for the R320-ST & R420-ST.
F
R
F
O
R
O
G
(Overall
Height)
G
(Overall
Height)
L
Side View
L
Side View
L
M
N
O
P
6"
6"
Q
R
Page 5
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