Montigo H38DF ST - Manual (Page 9)

H*38DF ST Indoor Gas Fireplace
Page 9
XG0207 - 150204.1
Installation
Clearances
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
For Side Vent applications, the minimum clearance is 2" from the side of
the fireplace to a wall, or any combustible materials, and 10" clearance
from the top of the fireplace to the underside of any combustible shelf
materials.
For Top Vent applications, the minimum clearance is 2" from the side
of the fireplace to a wall, or any combustible materials, and 17 1/2" to
the underside of any combustible shelf materials.
1” clearance is maintained on sides and bottom of vent runs and 2”
above horizontal vent runs to any combustible material.
H*38DF*-ST 10" 17 1/2" 2" 0"
**
MODEL Top - Side V
ent
†
Top - T
op V
ent
†
Sides Floor Mantel
6”
Installing The Standoffs
To avoid elevated mantel temperatures, all H*38DF*-ST gas
fireplaces are required to have the supplied standoffs installed.
The fireplace is supplied with four standoffs. Bend and install these
standoffs on top of the fireplace ensuring that the height of the standoff
maintains a 6" clearance.
Figure 7. Installing the standoff's (Both sides typical).
Figure 8. Installing the Nailing Flange Extension (Both sides typical).
6"
Installing the Nailing Flange Extension
Once the fireplace is placed into the rough framed opening, the supplied
Nailing Flange Extension (Part No. H42074) must be fasten securely
into place, with nails or wood screws. as shown in Figure 8.
The Supplied nailing extension must be placed along the top edge of the
fireplace and securely fastened in place to the non combustible header
and combustible wood framing.
Note: The nailing flange extension can be substituted with a piece of
NON-Combustible material of the same size and thermal characteristics,
ie: cement board or equivalent. This is recommended in applications
where the facing materials will not adhere to the metal nailing flange.
† Note: Clearance from top of fireplace to a ceiling within the fireplace
enclosure.
** Note: For mantel clearance, please refer to Section 6: Finishing
on page 21.