8
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX MERIT
®
SERIES B-VENT GAS FIREPLACES • 36" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Periodically
(After the Burning Season)
maintenance Task
Accomplishing Person
Procedure
Cleaning Firebox Interior
Check Flame Patterns and Flame Height
Checking Vent System
Cleaning Optional Glass Doors
Homeowner
Homeowner
Homeowner
Homeowner
Carefully remove logs, Rockwool and volcanic
stone if used. Vacuum out interior of the firebox.
Clean firebox walls and log grate. Replace
logs, Rockwool and volcanic stone as detailed
in this manual.
Refer to Figure 8
and verify the flame 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 firebox) 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 DOORS WHIlE THEy
ARE HOT
.
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 Figure 8
and verify the flame pattern
and height displayed by the appliance conforms
to the picture. Flames must not impinge on
the logs.
Refer to Figure 9. 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
screened rockwool placement area. Place new
rockwool as described in this document.
maintenance Schedule
Annually
(Before the onset of the Burning Season)
