Maintenance Schedule - Lennox MERIT Plus MPDP35IN Care And Operation Instructions Manual

LENNOX HEARTH PRODUCTS • MERIT PLUS

MAINTENANCE SCHEDULE

Turn off gas and electrical power to the fireplace and allow it to cool before cleaning or servicing the appliance.
Annually (Before the onset of the Burning Season)
MAINTENANCE TASK
Inspect/Clean Burner, Logs
and Controls
Check Flame Patterns and Flame Height
Inspect/Clean Pilot and Burner
Check Vent System
Appliance Checkout
Replace Glowing Embers
Periodically (After the Burning Season)
MAINTENANCE TASK
Clean Firebox Interior
Check Flame Patterns and Flame Height
Check Vent System
Clean Front Glass Enclosure Panel
DIRECT VENT GAS FIREPLACES (MPDP35/40) • CARE AND OPERATION INSTRUCTIONS
®
ACCOMPLISHING PERSON
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Homeowner/Qualified Service
Technician
ACCOMPLISHING PERSON
Homeowner
Homeowner
Homeowner
Homeowner
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
PROCEDURE
Inspect valve and ensure it is properly operating. Check piping for
leaks. Vacuum the control compartment, fireplace logs and burner area.
Refer to Figure 13 (MPDP35) or 14 (MPDP40) on Page 16 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).
Refer to Figure 16 on Page 17. 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.
Inspect the vent system at the top and at the base (within the firebox) for
signs of blockage or obstruction.
deterioration of the vent components
Perform the appropriate appliance checkout procedure detailed in this
manual.
Remove old glowing ember materials and vacuum the
area. Place new embers per instructions on Page 13.
PROCEDURE
Carefully remove logs, glowing embers and volcanic stone. Vacuum
out interior of the firebox. Clean firebox walls and log grate. Replace
logs, glowing embers and volcanic stone as detailed in this manual.
Refer to Figure 13 (MPDP35) or 14 (MPDP40) on Page 16 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 (reconnect or replace as necessary).
Clean as necessary following the directions provided in this manual (see
Page 11). DO NOT TOUCH OR ATTEMPT TO CLEAN GLASS WHILE HOT.
Look for any signs of dislocation or
(reconnect or replace as necessary).
ember placement
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