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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT
®
SERIES DIRECT-VENT GAS FIREPLACES • MODELS MLDVT-30/35/40/45 • CARE AND OPERATION INSTRUCTIONS
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.
FOR YOUR SAFETY READ BEFORE OPERATING
• 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 depart-
ment.
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.
OPERATING INSTRUCTIONS — ELECTRONIC
1. For complete shut-down, turn remote wall switch to “OFF"
or set the thermostat to the lowest setting, if applicable.
2. Turn the ON/OFF switch to “OFF”. If step 1 is not applicable.
3. Turn off all electric power to the appliance and remove
backup batteries if service is to be performed or for
extended shutdown.
TO TURN OFF GAS TO APPLIANCE
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above on this page.
2. Turn remote wall switch to “OFF" or set wall thermostat
to lowest setting. If used, remove the batteries from the
battery holder.
3. This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot
by hand.
4. Push the unit mounted "ON/OFF" switch to the "OFF" posi-
tion.
5. Wait five (5) minutes to clear out any gas. Then smell
for gas, including near the oor. If you smell gas, STOP!
Follow “B” in the safety information above (to the left) on
this label. If you don’t smell gas, go to the next step.
6. Push the unit mounted "ON/OFF" switch back to the "ON"
position. (The "ON/OFF" switch may include a wall switch
if so equipped). Replace the batteries in the battery
holder, if used. If the burner does not light or stay lit after
several tries, turn the unit mounted "ON/OFF" switch to
the "OFF" position and call your service technician or gas
supplier. NOTE: Sufficient time must be allowed for air to
escape from lines if the unit is being lit for the first time.
7. Turn HI-LO burner control knob to desired setting and
close control door.
8. Set thermostat to desired setting if applicable.
9. If the appliance will not operate, follow the in-
structions "To Turn Off Gas To Appliance" and
call your service technician or gas supplier.
TO SHUT OFF
1. Turn off all electrical power to the appliance (remote wall
switch) or set the thermostat to the lowest setting, if ap-
plicable. Or remove batteries, if used.
WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY
RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
PILOT
OUT
VENT
LO
TH
TP
TH
TP
HI
IN
IN