Framing The Fireplace; Clearances; Installing The Standoffs - Montigo H34DL Installation & Maintenance Manual

Indoor residential gas fireplace
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H-Series DL Indoor Gas Fireplace
Section 2: Framing
Frame in the enclosure for the unit with framing materials. The
1).
framed opening for the assembled fireplaces are as shown below,
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 26.
0" clearance
to corners only
Q"
N"
P"
L
M
25
37 1/4 33 3/4 17 7/8 52 3/8
H34DL*
27
/
40 1/4 37 3/4 18 7/8 57 1/2 40 5/8
3
H38DL*
4
31
/
44 1/4
1
H42DL*
2
Figure 2. Framing dimensions for Straight wall and Corner Installation.
2" min.
18" max.
L
Exterior
Wall
Figure 3. Combustible Framing for shelves over the fireplace, Rear vent.
PEL Shor t
† See Vent Graph for
90° elbow
minimum measurement
L
requirements figures
2" min.
11, 12 or 13.
Exterior
Wall
Figure 4. Combustible Framing for shelves over the fireplace, Top vent.
Page 6
Installation
M"
N"
(When sheetrock is not used behind
the fireplace, framing depth "O" may be
reduced by 5/8".)
N
O
P
Q
37
42
19 3/8 63 3/4 45 1/8
Combustible
Shelf
Combustible
Header
9"
M
S
Combustible
Shelf
Combustible
17 1/2"
Header
M
Min.
96"
Exterior
Wall
Figure 5. Non Combustible Framing for Top Vent or Rear Vent, with Alcove
ABOVE FIREPLACE.

Clearances

O"
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
For Rear Vent applications, the minimum clearance is 2" from the rear
of the fireplace to a wall, or any combustible materials, and 9" clearance
S
T
from the top of the fireplace to the underside of any combustible shelf
31
41
materials.
For Top Vent applications, the minimum clearance is 2" from the rear of
34
44
the fireplace to a wall, or any combustible materials, and 17 1/2" to the
38
48
underside of any combustible shelf materials, Figure 4.
For Top or Rear Vent applications where the Minimum mantel height
is required above the fireplace, (for an alcove or low profile shelf), ALL
Materials MUST BE NON-COMBUSTIBLE, Figure 5. The minimum
clearance is 2" from the rear of the fireplace to a wall, or any combustible
materials. 1" clearance is maintained on sides and bottom of vent runs
and 2" above horizontal vent runs to any combustible material.
The fireplace clearances are shown below:
H*DL*

Installing The Standoffs

To avoid elevated mantel temperatures, all H*DL*- Series gas
fireplaces are required to have the supplied standoffs installed.
The fireplace is supplied with two standoffs. Bend and install these
standoffs on top of the fireplace ensuring that the height of the standoff
maintains a 6" clearance.
Figure 6. Installing the standoff's.
Top Vent
Ceiling level
Non-Combustible
materials. Alcove
over fireplace.
2"
Min 1"
min.
18"
max.
Non-combustible
header
Non-combustible
Rear
Facing materials.
3"
Vent
12"
door
opening
L
Floor
9
17 1/2
2
1
0
4
6"
XG0140 - 120611.1

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