Section 2: Framing The Fireplace; Side View - Montigo H34DF Installation & Maintenance Manual

H*34DF Indoor Gas Fireplace
Section 2: Framing
Frame in the enclosure for the unit with framing materials. The framed
1).
opening for the assembled fireplace is 33 ⅞" wide, x 39" high x 20"
deep, see Figure 2
nOTE: When constructing the framed opening, please ensure there is
access to install the gas line when the unit is installed. See Figure 24.
M"
N"
N"
O"
21⅞"
M
7"
7"
39 33 7/8
H*34DF
17⅜"
17⅜"
4"
4"
C L
Figure 2. Framing dimensions, (Straight wall & Corner Installation). (ALL Models,
shown in Table on Page 3).
17⅜"
17⅜"
Combustible Header
7"
Combustible Shelf
5½"
9" (H34DF, HR34DF)
4"
11" (HL34DF)
2" min.
18" max.
33½"
33½"
26"
5¼"
S
26"
Exterior
Wall

Side View

Side View
H34DF*, HL34DF* & HR34DF*
Figure 3. Combustible Framing for shelves over the fireplace, Rear vent.
Page 6
.
Q"
Q"
O"
* When sheetrock is not used behind
the fireplace, framing depth "O" may be
reduced by 5/8".
n O P Q R
20 56 1/4 40 N/A
7" Combustible Header
Combustible Shelf
4"
2" min.
18" max. 9"
26"
M
S
26"
Exterior
Wall
HC34DF* ONLY,
see figures 7 and 25a.
Installation
Combustible Header
Combustible Shelf
MEL Short
90° elbow
0" clearance
0" clearance
43"
to corners only
to corners only 2" min.
Exterior
Wall
H34DF*, HL34DF* & HR34DF*
N"
N"
P"
P"
Figure 4. Combustible Framing for shelves over the fireplace, Top vent.
S T
33 43
Exterior
Wall
Figure 5. Non Combustible Framing for Top Vent or Rear Vent, with Alcove
ABOVE FIREPLACE.
Non-Combus-
tible Nailing
Flange, (sup-
plied) figure 7.
M
Combustible Header
Combustible Shelf
17 1/2"
MEL Short
90° elbow
43"
M
2" min.
Exterior
Wall
HC34DF* ONLY,
see figures 7 and 25a.
Top Vent
Ceiling level
Non-Combustible
materials. Alcove
2" over fireplace.
Min 1"
min.
18"
max.
Non-combustible
header
Min.
84"
Rear
3"
Vent 12"
door
opening
26"
Floor
Non-Combus-
tible Nailing
Flange, (sup-
plied) figure 7.
17 1/2"
M
Non-combustible
Facing materials.
XG0146 - 050211.1