Gas Log Set Installation

10
NBST27 Unvented Gas Log Set
Monessen • NBST27 Gas Log Set Installation/Owner's Manual • 81D3032 • Rev A • 08/16
FIREPLACE PREPARATION
BEFORE FULLY INSTALLING THE UNIT:
•
Turn OFF thegassupplytothereplaceorrebox.
• Seal any fresh air vents and/or ash clean-out doors
located on the floor or wall of the fireplace. If left
unsealed, drafting may cause pilot outage or sooting.
Use a heat resistant sealant. Do not seal the chimney
ue damper.
INSTALLING IN VENTED APPLICATIONS
Milli-volt controlled gas logs may be installed as a vented
decorative log set in compliance with ANSI Z21.60 and
National Fuel Gas Code, Section 6.6. Since, the gas logs
are operated with the damper open, noncombustible
material and minimum mantel requirements do not
apply.
FP2370
damper
Damper Stop
Damper
FP2370
Figure 10 -
Damper Stop Installation
(Refer to WARNING at top of page)
BEFORE INSTALLING THE APPLIANCE:
• Turnoffgassupplytoreplaceorrebox.
• Have the replace oor and chimney professionally
cleaned to remove ashes, soot, creosote or other
obstructions. Have this cleaning performed annually
after installation.
• Seal any fresh air vents or ash clean-out doors located
onoororwallofreplace.Ifnot,draftingmaycause
pilot outage or sooting. Use a heat-resistant sealant.
Donotsealchimneyuedamper.
Install and operate the appliance as directed in this
manual.
DAMPER STOP INSTALLATION:
A damper stop must be provided with the unit when used
for vented applications. Contact your dealer to obtain one.
The damper stop must be installed as shown in Figure 10
topreventfullclosureofthereplacedamperbladeand
provideaminimum29squareinchueopening.
Refer to Page 27 for installations in the Commonwealth
of Massachusetts.
Before installing in a solid fuel burning replace,
The chimney ue and rebox must be cleaned of
soot, creosote, ashes and loose paint by a qualied
chimney cleaner.
WARNING
This appliance is for installation only in a solid
fuel burning fireplace (masonry fireplace or
manufactured replace) with a working ue and
constructed of noncombustible material.
Exception: DO NOT install this appliance in a factory-
built replace that includes instructions stating that
it has not been tested or should not be used with
unvented gas logs. This log set may be installed as
a vented log set.
WARNING