Lennox Hearth LSM40ST-P Warning Burn Hazard, Maintenance Schedule, Maintenance Task, Procedure

LENNOX HEARTH PRODUCTS • MONTEBELLO® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS

Maintenance Schedule

WARNING: BURN HAZARD.

Turn OFF gas and electrical power to the fireplace, and allow it to cool before cleaning or servicing the appliance.

Annually (before onset of burning season)

MAINTENANCE TASK	ACCOMPLISHING PERSON	PROCEDURE
Inspect/Clean Burner, Logs,	Qualified Service Technician	Inspect valve and ensure it is properly operating. Check piping for
and Controls		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	Remove old ember materials and vacuum the ember placement area.
	Technician	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.

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