Hearth and Home Technologies MONTANA 42 EN - Manual (Page 22)

Outdoor Lifestyles by Hearth & Home Technologies Inc. • Montana US-CAN • 4039-156 Rev P • 10/12 22
A. Gas Log/Lighter Provisions
A certified gas log lighter or decorative gas log set can be
installed in this fireplace.
This fireplace was not tested and listed for use with an un-
vented gas log heater. Do not install an unvented gas log
heater in this fireplace and operate it with the flue damper in
the closed position unless the unvented gas log heater has
been specifically tested and listed for use in this fireplace by
Underwriters Laboratories Inc.
Use of an unvented gas log heater in this factory built
fireplace may create a fire hazard that can result in a
structure fire.
• Maximum input is 100,000 BTU/hr.
• Decorative gas appliance must be certified to ANSI Z21.60
“Standard for Decorative Gas Appliances for Installation
in Vented Fireplaces”.
• Must be installed in accordance with the National Fuel
Gas Code, ANSI Z223.1.
• A log set must incorporate a gas shutoff.
• Log set requires the damper to be locked fully open.
Knockouts are provided on both sides of the fireplace and in
refractories for 1/2 in. (13 mm) iron pipe.
• We recommend you seal refractory around pipe with
fireplace mortar or high temperature, noncombustible
sealant.
• Repack insulation from the knockout around the pipe.
• Maintain 1-1/2 in. (38 mm) air space around the pipe for
4 in. (102 mm) beyond the fireplace.
• See Figure 7.1.
Firebox
Repack
insulation
knockout
Combustible
materials
Maintain air clearance
to combustibles.
Gas line
Combustible materials
may be located at zero
clearance to gas line
beyond 4 in. (102 mm)
from fireplace side.
Gas line
1 1/2 in. (38 mm)
air space around
pipe
Refractory
Seal with
fireplace mortar
or non-combust-
ible sealant
4 in.
(102 mm)
Outer shell
of fireplace
Figure 7.1 Gas Line Installation
7
Accessories
Asphyxiation Risk
• Damper must be locked open when gas logs
installed.
Gas fire generates fumes.
WARNING
Fire Risk
• For use with solid wood fuel or decorative
gas appliance only.
• DO NOT install unvented gas logs.
WARNING
Fire Risk
Explosion Risk
Inspect appliance and components for
damage. Damaged parts may impair safe
operation.
• Do NOT install damaged components.
• Do NOT install incomplete components.
• Do NOT install substitute components
Report damaged parts to dealer.
WARNING