Monessen Hearth MJ27NR - Manual (Page 17)

86D0024 17
FP2005
damper install
Damper Stop
Damper
FP2005
BEFORE INSTALLING ThE APPLIANCE:
• Turn off gas supply to fireplace or firebox.
• Have the fireplace floor and chimney professionally cleaned to remove ashes, soot, creosote or other obstruc-
tions. Have this cleaning performed annually after installation.
• Seal any fresh air vents or ash clean-out doors located on floor or wall of fireplace. If not, drafting may cause
pilot outage or sooting. Use a heat-resistant
sealant.
Install and operate the appliance as directed
in this manual.
DAMPER STOP INSTALLATION:
A damper stop must be provided with the unit.
Contact your dealer to obtain one. The damper
stop must be installed as shown in Figure 12 to
prevent full closure of the fireplace damper blade
and provide a minimum 29 square inch flue opening.
Figure 12 - Damper Stop Installation.
FIREPLACE PREPARATION
BEFORE FULLY INSTALLING THE UNIT:
• Turn
OFF the gas supply to the fireplace or firebox.
• 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 flue
damper.
INSTALLING vENTED APPLICATIONS
Manual and Millivolt 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,
non-combustible material and minimum mantel requirements do not apply.
W
ARNING
This appliance is for installation only in a solid fuel burning fireplace (masonry fireplace
or manufactured fireplace) with a working flue and constructed of noncombustible
material.
Exception: DO NOT install this appliance in a factory-built fireplace 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.
W
ARNING
Before installing in a solid fuel burning
fireplace, The chimney flue and firebox must
be cleaned of soot, creosote, ashes and loose
paint by a qualified chimney cleaner.
W
ARNING
The fireplace and gas logs function as a system. If the fireplace is spilling into the room
(check with a match or a smoke stick), reposition the damper clamp until a positive
draft is obtained by opening the damper. If negative pressure in home prevents having
a positive draft, contact your dealer for assistance.