Lennox Hearth DIRECT-VENT SYMMETRY SERIES SYM-35N User Manual
Page 24
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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Periodically (After the Burning Season)
Maintenance Task
Accomplishing Person
Procedure
Cleaning Firebox Interior
Check Flame Patterns and Flame Height
Checking Vent System
Cleaning Front Glass Enclosure Panel
Homeowner
Homeowner
Homeowner
Homeowner
Carefully remove logs, rockwool and decorative
volcanic stone and vermiculite. Vacuum out
interior of the firebox. Clean firebox walls and
log grate. Replace logs, Rockwool and volcanic
stone as detailed in this manual.
Maintenance Task
Accomplishing Person
Procedure
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
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Homeowner/Qualified Services Technician
Inspect valve and ensure it is properly op-
erating. Check piping for leaks. Vacuum
the control compartment, fireplace logs and
burner area.
Refer to Figures 14 (SYM-35), 15 (SYM-40)
or 16 (SYM-45) on page 17 and verify the
flame pattern and height displayed by the
appliance conforms to the picture. Flames
must not impinge on the logs.
Remove any surface build-up on pilot and
burner assembly. Wipe the pilot nozzles,
ignitor/flame rod and hood. Ensure the pilot
flame engulfs the flame sensor as shown.
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 disloca-
tion of the vent components.
Perform the appropriate appliance checkout
procedure detailed in this manual.
Remove old ember materials and vacuum the
rockwool placement area. Place new rockwool
as described in this document.
Maintenance Schedule
Annually (Before the onset of the Burning Season)
Clean as necessary following the directions
provided in this manual. DO NOT TOUCH OR
ATTEMPT TO CLEAN GLASS WHILE HOT.
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 disloca-
tion of the vent components.
Refer to Refer to Figures 14 (SYM-35), 15
(SYM-40) or 16 (SYM-45) on page 17 and
verify the flame pattern and height displayed
by the appliance conforms to the picture.
Flames must not impinge on the logs.