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LENNOX HEARTH PRODUCTS • MERIT
Appliance Installation, Service,
and Maintenance Notices
IMPORTANT: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this manual.
For assistance or additional information,
consult a qualified installer, service
agency or the gas supplier.
Only trim kit(s) supplied by the manu-
facturer shall be used in the installation
of this appliance.
Draft relief openings must not be
covered or blocked.
These appliances must not be connected
to a chimney or flue serving a separate
solid fuel burning appliance.
Any change to this appliance and/or
its operating controls is dangerous.
Improper installation or use of this
appliance can cause serious injury or
death from fire, burns, explosion or
carbon monoxide poisoning.
CARBON MONOXIDE POISONING:
Early signs of carbon monoxide
poisoning are similar to the flu with
headaches, dizziness and/or nausea. If
you have these signs, obtain fresh air
immediately. Turn off the gas supply to
the appliance and have it serviced by
a qualified professional, as it may not
be operating correctly. Some people
are more affected by carbon monoxide
than others, including pregnant women,
people with heart or lung disease or
anemia, those under the influence of
alcohol, and those at high altitudes.
Turn off gas and electrical power to the
fireplace and allow it to cool before
cleaning or servicing the appliance.
6
SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS
®
Appliance Operation Notices
Do not operate appliance with the glass
front removed, cracked, or broken.
These fireplaces are vented gas
appliances. Do not burn wood or other
material in these appliances.
This appliance is only for use with the
type of gas indicated on rating plate.
This appliance is not convertible for
use with other gases, unless a certified
kit is used.
These appliances are designed to
operate on natural gas or propane
gas only. The use of other fuels or
combinations of fuels will degrade the
performance of this system and may be
dangerous.
Provide adequate clearances around
air openings and adequate accessibility
clearance for service and proper
operation. Never obstruct the front
openings of the appliance.
Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect
the appliance and to replace any part of
the control system and any gas control
that has been under water.
These fireplaces are designed as
supplemental heaters. Therefore, it
is advisable to have an alternate pri-
mary heat source when installed in a
dwelling.
WARNING
B-Vent appliances are not
designed to operate in nega-
tively pressured environments
(pressure within the home is
less than pressures outside).
Significant negatively pressured
environments caused by weather,
home design, or other devices
may impact the operation of
these appliances. Negative pres-
sures may result in poor flame
appearance, sooting, damage to
property and/or severe personal
injury. Do not operate these
appliances in negatively pres-
sured environments.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Warranty Information
Your gas appliance is covered by a limited
twenty-year warranty. You will find a copy
of the warranty accompanying this manual.
Please read the warranty to be familiar with
its coverage.
Retain this manual. File it with your other
documents for future reference.
Failure to comply with the installation
and operating instructions provided
will result in an improperly installed
and operating appliance, voiding its
warranty.
Do not attempt to alter or modify the
construction of the appliance or its
components. Any modification or
alteration may void the warranty,
certification, and listings of this unit.
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