Operation
900960-00C, 06/2019
Innovative Hearth Products
DRT3500-C Series Direct-Vent Gas Fireplaces
67
MAINTENANCE SCHEDULE
See the tables below for detailed information about required maintenance, both regular and annual.
Maintenance Performed Annually—Before the Burning Season
Maintenance Task
Performed By
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
Verify the flame pattern and height displayed
by the appliance. Flames must not impinge
on the logs.
Inspecting/Cleaning Pilot and Burner
Qualified Service Technician
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.
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 Inspection
Qualified Service Technician
Perform the appropriate appliance inspection
procedure detailed in this manual.
Replacing Glowing Embers Material
Homeowner/Qualified Services Technician
Remove old ember materials and vacuum the
glowing embers (rockwool) placement area.
Place new glowing embers as described in
this document.
Maintenance Performed Periodically—After the Burning Season
Maintenance Task
Performed By
Procedure
Cleaning Firebox Interior
Homeowner
Carefully remove logs and glowing embers
(rockwool). Vacuum out interior of the
firebox. Clean firebox walls and log grate.
Replace logs and glowing embers as detailed
in this manual.
Check Flame Patterns and Flame Height
Homeowner
Verify the flame pattern and height displayed
by the appliance. 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 Glass Door
Homeowner
Clean as necessary following the directions
provided in this manual.
Do not touch or attempt to clean the glass
while hot.
