Lennox Hearth ELITE 875022M - Manual (Page 25)

25
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Inspecting/Cleaning 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 Figure 9 on Page 15 and verify the flame pattern and
height displayed by the appliance conforms to the picture. Flames
must not impinge on the logs. Ensure flames are steady (not
lifting or floating).
Inspecting/Cleaning Pilot and Burner Qualified Service Technician Refer to Figures 11 and 12 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.
Checking 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. Note:
Excessive condensation can cause corrosion of caps, pipe &
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 the appropriate appliance checkout procedure detailed
in this manual.
Replacing Rockwool Ember Materials Homeowner/Qualified Service
Technician
Remove old ember materials (rockwool) and vacuum the
rockwool placement area. Place new embers as described in
this document.
Periodically (After the Burning Season)
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Cleaning Firebox Interior Homeowner Carefully remove logs, rockwool, volcanic stone and vermiculite.
Vacuum out interior of the firebox. Clean firebox walls and log
grate. Replace logs, Rockwool and vermiculite as detailed in
this manual.
Check Flame Patterns and Flame
Height
Homeowner Refer to Figure 9 on Page 15 and verify the flame pattern and
height displayed by the appliance conforms to the picture. Flames
must not impinge on the logs.
Checking Vent System Homeowner 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 of the vent components.
Cleaning 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.
Annually (Before the onset of the Burning Season)
MAINTENANCE SCHEDULE