Maintenance Schedule - Lennox Hearth Products MPD35ST-NE Homeowner's Care And Operation Instructions Manual

MAINTENANCE SCHEDULE

Annually (Before the onset of the Burning Season)
MAINTENANCE TASK
Inspecting/Cleaning Burner, Logs
and Controls
Check Flame Patterns and Flame
Height
Inspecting/Cleaning Pilot and Burner
Checking Vent System
Appliance Checkout
Replacing Rockwool Ember Materials
Periodically (After the Burning Season)
MAINTENANCE TASK
Cleaning Firebox Interior
Check Flame Patterns and Flame
Height
Checking Vent System
Cleaning Front Glass Enclosure Panel
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 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 on Page 9 and 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 and Figure 16 on Page 10. Remove any
surface build-up on 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 wall straps or
plumbers's tape to ensure it is secure and 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 as described in Step 6 on
Page 8.
PROCEDURE
Carefully remove logs, rockwool, volcanic stone and vermiculite.
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 on Page 9 and 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.
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