Montigo H34DL - Manual (Page 7)

H-Series DL Gas Fireplace
Page 7
XG0140 - 070714
Installation
Clearances
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
Rear Vent applications, the minimum clearance is 2" from the rear of
the fireplace to a wall, or any combustible materials, and 9" clearance
from the top of the fireplace to the underside of any combustible shelf
materials.
Top Vent applications, the minimum clearance is 2" from the rear of
the fireplace to a wall, or any combustible materials, and 17 1/2" to the
underside of any combustible shelf materials, Figure 4.
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* 9 17 1/2 2 1 0 4
MODEL Top - Rear V
ent
†
Top - Top V
ent
†
Rear Sides Floor Mantel
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.
6"
Installing the Nailing Flange Extension - HC34DL* Only
Once the fireplace is placed into the rough framed opening, the supplied
nailing flange extension (Part No. HC34074) must be fasten securely
into place, with nails or wood screws. as shown in Figure 7.
3”
6”
Front View Side View
Figure 6a. Installing the Nailing Flange Extension.
The supplied nailing flange extension must be placed along the top
edge of the fireplace and securely fastened in place to the 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 combustible ceiling within
the fireplace enclosure.