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LENNOX HEARTH PRODUCTS • MONTEBELLO
®
SEE-THROUGH POWER VENT DV GAS FIREPLACES (LSM40ST-N-PV) • CARE AND OPERATION INSTRUCTIONS
MAINTENANCE SCHEDULE
Annually (before onset of burning season)
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Inspect/Clean Burner, Logs,
and Controls
Qualified Service Technician Inspect valve, and ensure it is operating properly.
Check piping for leaks.
Vacuum the control compartment, fireplace, logs, and burner area.
Check Flame Patterns and Flame Height Qualified Service Technician Refer to Figures 21 and 22 on Page 16 and verify the flame pattern and
height displayed by the appliance conform to the illustration. Flames must
not impinge on the logs. Ensure flames are steady (not lifting or floating).
Inspect/Clean Pilot and Burner Qualified Service Technician Refer to Figure 23 on Page 16. Remove any surface build-up on pilot
and burner assembly. Wipe the pilot nozzles, igniter/flame rod and hood.
Ensure the pilot flame engulfs the flame sensor as shown.
Check Vent System Qualified Service Technician Inspect the vent system at top and base (within the firebox) for signs
of blockage or obstruction.
Look for any signs of dislocation or deterioration of the vent components.
Reconnect or replace, as necessary.
Note: Excessive condensation can cause corrosion of caps, pipe
and fittings (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 wall straps or plumbers's
tape to ensure it is secure and in place.
Appliance Checkout Qualified Service Technician Perform appropriate appliance checkout procedure, as detailed in this
manual.
Replace Glowing Embers Homeowner/Qualified Service
Technician
Remove old glowing ember material, and vacuum the ember placement
area. Place new glowing embers, per instructions on Page 13.
Periodically (after burning season)
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Clean Firebox Interior Homeowner Carefully remove logs, glowing ember material, and volcanic stone.
Vacuum out interior of the firebox.
Clean firebox walls and log grate.
Replace logs, glowing embers, and volcanic stone, as detailed in this
manual.
Check Flame Patterns and Flame Height Homeowner Refer to Figures 21 and 22 on Page 16 and verify the flame pattern
and height displayed by the appliance conforms to the picture. Flames
must not impinge on the logs.
Clean Front Glass Enclosure Panel Homeowner Clean as necessary following the directions provided in this manual.
DO NOT TOUCH OR ATTEMPT TO CLEAN GLASS WHILE HOT.
WARNING: BURN HAZARD.
Turn OFF gas and electrical power to the fireplace, and
allow it to cool before cleaning or servicing the appliance.