Clearances - Montigo L38DF-ST series Installation & Maintenance Manual

L38DF-ST* Indoor Gas Fireplace
Section 2:
Framing
Frame in the enclosure for the unit with framing materials. The
1).
framed opening for the assembled fireplace is 41" wide, x 40" high
x 23 3/4" 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 22.
41"
34 1/2"
Notes:
Install supplied metal header (Part
No#L38ST060) above fireplace after
unit is in place. Use supplied hardware
to fasten to framing. Both sides Typi-
cal. Unit may not be exactly as shown.
Figure 2. Framing dimensions.
Backframe Min. 37 3/4"
Figure 2a. Framing dimensions, (Back-framing)
Combustible Shelf
12" Max.
3" Min.
N.G. & L.P
26 3/4
Figure 3. Combustible Framing for shelves over the fireplace, Rear
vent.
Page 6
Installation
.
Both walls Typical. May
not be exactly as shown.
40"
40"
23 3/4"
Supplied shield
10"
Min.
Supplied shield
Combustible Shelf
3" Min.
N.G. & L.P
PEL Short
90 elbow
39 1/2" Min.
Figure 4. Combustible Framing for shelves over the fireplace, Top
vent.
Top vent
N.G. & L.P
Min. 1"
Combustible
Header
Supplied
Header
40"
34 1/2"
Figure 5. Non Combustible Framing with alcove above fireplace,
Right side. Combustible Framing above fireplace, Left side, see
figure 2. (Top Vent).

Clearances

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 3" from the rear of
the fireplace to a wall, or any combustible materials, and 10" clearance
from the top of the fireplace to the underside of any combutible shelf
materials.
For Top Vent applications, the minimum clearance is 3" from the rear of
the fireplace to a wall, or any combustible materials, and 17 1/2" to the
underside of any combutible shelf materials.
L38DF-ST 10" 17 1/2"
17 1/2"
Min.
Alcove over
Fireplace Non-
Combustible
Materials Only
Non
7"
Combustible
Header
10"
7"
door
29 1/2"
opening
Floor
3" 1" 0" 4"
Part No. XG0810 - 081310-1