Lennox eNeRGy Series Installation, Operating And Maintenance page 69

MAINTENANCE PLAN
Task
MAINTENANCE PLAN
Gas supply pressures
/ connections checks
Check the gas regulation
valve settings
Check gas burner safety
switches
Check the ignition
electrode and the
ionization probes
Check gas fume
combustion levels
Check casing and
equipment corrosion
Check the water tightness
of the unit and its
accessories
Check the doors gasket
Check and clean the water
filter (only for Rooftops
with water condenser)
Check the water tightness
of the water circuit (only
for Rooftops with water
condenser)
A2L: Calibrate the sensitive
elements of the sensors
Replacement of the A2L
probe
eNeRGy-IOM-2020.11-EN
Operating mode
Refer to Gas burner section in the IOM for details
Refer to Gas burner section in the IOM for details
Refer to Gas burner section in the IOM for details
Refer to Gas burner section in the IOM for details
Do a combustion analysis.
Refer to local regulation if it exists
To treat and neutralize eventual rust spots
Verify the gaskets, if cracked or ripped, repair them or
replace them.
Verify the gaskets; if cracked, ripped or discontinuous in
these cases replace them.
ATTENTION: The water circuit can be under pressure.
Follow the usual precautions when depressurizing the
circuit before opening. Ignoring these rules can lead to
accidents and cause injury to the personal.
Check for water leaks and repair if it's needed.
Use the pocket.
Perform a sensor bump test.
• press the test button during 20 seconds
• the relays will switch and the analog output will switch
to 20mA.
• as soon as you release the button, the test stops and
everything returns to normal.
Perform a sensor calibration. This calibration is
mandatory and the frequency varies according to local
standards
Check the remaining sensor life.
Sensitive element to be replaced every 5 years.
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Monthly Half
Quarterly
Yearly
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