Burner Ignition & Operation; Cleaning & Servicing - Monessen Hearth Lyric Series Installation & Owner's Manual

C. Burner Ignition and Operation
Frequency: Annually
By: Qualified Service Technician
Tools needed: Protective gloves, vacuum cleaner, whisk
broom, flashlight, voltmeter, indexed drill bit set, and a
manometer.
• Verify burner is properly secured and aligned with pilot
or igniter.
• Clean off burner top, inspect for plugged ports, corrosion
or deterioration. Replace burner if necessary.
• Inspect for lifting or other flame problems.
• Inspect orifice for soot, dirt and corrosion. Verify orifice
size is correct. See Service Parts List for proper orifice
sizing.
• Verify manifold and inlet pressures. Adjust regulator as
required.
• Inspect pilot flame pattern and strength. See Figure 10.1
and 10.2 for proper pilot flame pattern. Clean or replace
orifice spud as necessary.
Thermocouple
for Natural Gas
Figure 10.1 Correct Pilot Flame Appearance
Thermocouple
for Natural Gas
Figure 10.2 Incorrect Pilot Flame Appearance
Thermocouple
for LP
Thermocouple
for LP
Monessen • Lyric Owner's/Installation Manual • 4616-900 Rev. H • 04/21
D. Cleaning and Servicing
Annual inspection and cleaning by your dealer or
qualified service technician is recommended to pre-
vent malfunction and/or sooting.
WARNING
Turn off heater and allow to cool before cleaning.
PERIODIC CLEANING - Refer to parts diagram for
location of items discussed below.
•
Do not use cleaning fluid to clean media or any part
of heater.
•
Vacuum loose particles and dust from the burner,
control and auto spark module.
•
Inspect and clean burner air intake holes. Remove
lint or particles with vacuum, brush, or pipe cleaners.
Failure to keep air intake holes clean will result
in sooting and poor combustion.
•
External case should be dusted and wiped with a
wet soapy cloth.
•
Carefully remove media from appliance and soak in
a bucket of clean water. Drain and place on a flat
clean surface to dry before installing.
ANNUAL CLEANING/INSPECTION - Refer to parts
diagram for location of items discussed below.
•
Inspect and clean burner air intake holes. Remove
lint or particles with vacuum, brush or pipe cleaners.
Failure to keep air intake holes clean will result
in sooting and poor combustion.
•
Inspect and clean all burner ports.
•
Inspect ODS pilot for operation and accumulation of
lint at air intake holes.
•
Verify flame pattern and media placement for proper
operation.
•
Verify smooth and responsive ignition of main burner
and rear burner.
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