User Guide

23
LENNOX HEARTH PRODUCTS • MONTEBELLO
®
SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • 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 properly operating. 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 20 and 21 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 22 on Page 17. 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 the top and at the 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).
Appliance Checkout Qualified Service Technician Perform the appropriate appliance checkout procedure detailed in this
manual.
Replace Glowing Embers Homeowner/Qualified Service
Technician
Remove old ember materials and vacuum the ember placement area.
Place new embers per instructions on Page 13.
Periodically (after burning season)
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Clean Firebox Interior Homeowner Carefully remove logs, rockwool and volcanic stone. Vacuum out interior
of the firebox. Clean firebox walls and log grate. Replace logs, rockwool
and volcanic stone as detailed in this manual.
Check Flame Patterns and Flame Height Homeowner Refer to Figures 20 and 21 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.