Lennox Hearth 33/40 DV INS Fire Pit User Manual


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NOTE: DIAGRAMS AND 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
Figures 33 and 34 on Page 20 and verify the flame
pattern and height displayed by the appliance conforms to the
picture. Flames must not impinge on the logs.
Inspecting/Cleaning Pilot Qualified Service Technician Refer to
Figure 39 on Page 23. Remove any surface build-up
on pilot assembly. Wipe the pilot nozzles, igniter electrode
and hood. Ensure the pilot flame engulfs the thermopile and
thermocouple 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 of the vent components.
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 and vacuum the ember (rock
-
wool) placement area. Place new rockwool as described on
Page 15.
PERIODICALLY (After the Burning Season)
MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE
Cleaning Firebox Interior
Homeowner Carefully remove logs, rockwool and lava rock. Vacuum out
interior of the firebox. Clean firebox walls and log grate. Replace
logs, rockwool and lava rock as detailed in this manual.
Check Flame Patterns and Flame
Height
Homeowner Refer to
Figures 33 and 34 on Page 20 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 Door Window
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
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