Maintenance Schedule - Lennox Montebello MDLX40IN Care And Operation Instructions Manual

LENNOX HEARTH PRODUCTS • MONTEBELLO

MAINTENANCE SCHEDULE

Turn off gas and electrical power to the fi replace and allow it to cool before cleaning or servicing the appliance.
Annually (Before the onset of the Burning Season)
MAINTENANCE TASK
Inspect/Clean Burner, Logs,
and Controls
Check Flame Patterns and
Flame Height
Inspect/Clean Pilot and Burner
Check Vent System
Appliance Checkout
Replace Glowing Embers
Periodically (After the Burning Season)
MAINTENANCE TASK
Clean Firebox Interior
Check Flame Patterns and
Flame Height
Check Vent System
Clean Front Glass Enclosure
Panel
20
® DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • CARE AND OPERATION INSTRUCTIONS
ACCOMPLISHING PERSON
Qualifi ed Service
Technician
Qualifi ed Service
Technician
Qualifi ed Service
Technician
Qualifi ed Service
Technician
Qualifi ed Service
Technician
Homeowner/Qualifi ed
Service
Technician
ACCOMPLISHING PERSON
Homeowner
Homeowner
Homeowner
Homeowner
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
PROCEDURE
Inspect valve and ensure it is properly operating. Check piping
for leaks. Vacuum the control compartment, fi replace logs,
and burner area.
Refer to Figure 13 or Figure 14 on Page 14.Verify the fl ame
pattern and height displayed by the appliance conforms to the
picture. Flames must not impinge on the logs. Ensure fl ames
are steady (not lifting or fl oating).
Refer to Figure 15 on Page 14. Remove any surface build-
up on the pilot and burner assembly. Wipe the pilot nozzles,
igniter/fl ame rod, and hood. Ensure the pilot fl ame engulfs the
fl ame sensor as shown.
Inspect the vent system at the top and at the base (within the
fi rebox) for signs of blockage or obstruction. Look for any
signs of dislocation or deterioration of the vent components.
Note: Excessive condensation can cause corrosion of caps,
pipe & fi ttings (excessive condensation can be caused by long
lateral runs, too many elbows, and/or exterior portions of the
system being exposed to cold weather). Also, inspect the wall
straps or plumbers's tape to ensure they are securely in place.
Perform the appropriate appliance checkout procedure detailed
in this manual.
Remove old ember materials (rockwool) and vacuum the
ember placement area. Place new embers per instructions on
Page 11.
PROCEDURE
Carefully remove logs, rockwool, and volcanic stone. Vacuum
out interior of the fi rebox. Clean fi rebox walls and log grate.
Replace logs, rockwool, and volcanic stone as detailed in this
manual.
Refer to Figure 13 and Figure 14 on Page 14. Verify the fl ame
pattern and height displayed by the appliance conforms to the
picture. Flames must not impinge on the logs.
Inspect the vent system at the top and at the base (within the
fi rebox) for signs of blockage or obstruction. Look for any
signs of dislocation of the vent components.
Clean as necessary following the directions provided in this
manual. Do not touch or attempt to clean glass while hot.