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LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

LIGHTING INSTRUCTIONS — ELECTRONIC

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
A. This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
B. BEFORE OPERATING smell all around the appliance area for
gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
Do not touch any electric switch; do not use any phone in your
building.
1. STOP! Read the safety information above on this label.
2. (If applicable) Set the thermostat to lowest setting. Turn
wall
on/off switch, unit mounted on/off switch or remote control
switch
"OFF." If used, remove the batteries from the battery
holder.
3. Turn OFF all electric power to the appliance.
4. This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
5. Access the control compartment.
6. Wait five (5) minutes to clear out any gas. If you smell gas,
STOP! F ollow "B " in the safety i nformation above on this
label. If you don't smell gas, go to the next step.
7. Turn on all electrical power to the appliance.
8. (If applicable) Set thermostat to desired setting. Turn
wall on/
off switch, unit mounted on/off switch or remote control switch
"ON." Replace the batteries in the battery holder, if used.

OPERATING INSTRUCTIONS

1. (If applicable) Set the thermostat to lowest setting. Turn wall
on/off switch , unit mounted on /off switch or re mote control
switch "OFF."
2. Turn OFF all electric power to the appliance and remove

TO TURN OFF GAS TO APPLIANCE

Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire department.
C. If any portion of this appliance does not operate as the
instructions indicate, do not try to repair it, call a qualified
service technician. Do not use tools. Force or attempted
repair may result in a fire or explosion.
D. 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 which has been under water.
Electronic Gas Control
Valve - DEXEN
100963-01
Electronic Pilot Assembly
PILOT
OUT
VENT
LO
TH
TP
TH
TP
HI
IN
IN
9. Close control compartment.
10. If the appliance will not operate, follow the instructions "To
Turn Off Gas To Appliance" and call your service technician
or gas supplier.
backup batteries, if service is to be performed.
3. Access the control compartment.
4. Close the main line gas shut-off valve.
5. Close control compartment.