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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX MERIT
®
SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
CAUTION: DO NOT ATTEMPT TO TOUCH THE
DOORS WITH YOUR HANDS WHILE THE
FIREPLACE IS IN USE. ALWAYS USE DOOR
HANDLES. DOORS WILL BECOME VERY HOT
WHEN FIREPLACE IS IN USE.
CAUTION: NEVER OPERATE THIS APPLIANCE
WITH A BROKEN OR DAMAGED GLASS DOOR.
REMOVE OR REPLACE ANY BROKEN GLASS
DOOR BEFORE OPERATING.
Figure 3
Figure 2
3. Keep lower control compartment clean by
vacuuming or brushing at least twice a year.
More frequent cleaning may be required due to
excessive lint from carpeting, bedding materials,
etc. It is important that control compartments,
burners and circulating air passageways of the
appliance be kept clean and clear of obstruction
of ventilating and combustion air.
4. Always turn off gas to the pilot (millivolt
appliances) before cleaning. Before re-lighting,
refer to the lighting instructions in this manual.
Instructions are also found on a pull-out panel
located on the floor of the appliance.
5. Always keep the appliance area clear and
free from combustible materials, gasoline and
other flammable liquids.
6. Remember, Millivolt appliances have a
continuous burning pilot flame. Exercise cau-
tion when using products with combustible
vapors.
7. Clean the optional glass doors only when
necessary. Wipe surface with clean, dampened,
soft cloth. Follow with dry, soft towel as desired.
Take care not to scratch the glass surface.
Honeywell Electronic
Gas Valve
Figure 4
ON/OFF Switch
Electronic
Gas Control
Valve
OFF
I
PSI
ON
CONTROL
IGNITE
Manifold Presssure Port
Inlet
Pressure
Port
Fully Open or
Fully Closed
To light electronic appliances refer to the detailed
lighting instructions found in both English and
French on pages 12 and 13 of these instruc-
tions respectively. Millivolt and electronic
appliance lighting instructions may also be
found on the pull out labels attached to the gas
control valve located within the gas control
compartment.
If your appliance is equipped with an optional
remote wall switch or remote control kit the
appliance main burner may be turner on and off
with the wall switch or remote control. If the
appliance is not equipped with a wall switch or
remote control, the main burner must be turned
off and on with the gas control switch. Toggle
the switch from ON to OFF to operate the main
burner from ON to OFF.
2. When lit for the first time, this appliance will
emit a slight odor for an hour or two. This is due
to the “burn-in” of internal paints and lubricants
used in the manufacturing process.
DAMPER AND COMBUSTION AIR CONTROLS
This appliance is fitted with a manually controlled
vent damper. The vent damper should be closed
when the appliance is not in use to prevent cold
air from entering the home through the venting
system. The damper is controlled through the
use of a control lever located within the appli-
ance opening at the top center in front of the
firebox lintel (see Figure 5 ).
WARNING: DO NOT USE ABRASIVE
CLEANERS. NEVER CLEAN THE GLASS
WHEN IT IS HOT.
WARNING: FIREPLACES EQUIPPED
WITH OPTIONAL ACCESSORY DOORS
SHOULD BE OPERATED ONLY WITH THE
DOORS FULLY OPEN OR FULLY CLOSED
(FIGURE 4 ). THIS APPLIANCE MAY ONLY
BE FITTED WITH DOORS CERTIFIED FOR
USE WITH THE APPLIANCE.
AVERTISSEMENT: POUR UTILISATION
UNIQUEMENT AVEC LES PORTES EN
VERRE CERTIFIÊES AVEC L'APPAREIL.
E A
TPTH TP TH
P
I
L
O
T
P
I
L
O
T
O
N
it
O
F
F
SIT Millivolt Valve
Gas Control
Knob
Piezo
Ignitor
WARNING: DO NOT STRIKE OR SLAM
SHUT OPTIONAL GLASS DOORS.
WARNING: REPLACE ANY SAFETY
SCREEN OR GUARD REMOVED FOR
SERVICING AN APPLIANCE PRIOR TO
OPERATING THE APPLIANCE.
WARNING: DO NOT ATTEMPT TO RE-
PAIR BROKEN GLASS COMPONENTS.
REPLACE ANY BROKEN DOORS ONLY
WITH COMPLETE DOOR KITS, OBTAINED
FROM LENNOX. REMOVE ANY BROKEN
GLASS PIECES BY VACUUMING THEM
OUT COMPLETELY.