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Yearly maintenance program
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8 Year 9 Year 10
Maintenance date
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Check the combustion chamber insulation panel (3)and, if it is
worn, replace it.
Check the condition of the burner (7), ensure that it is not loose;
clean if necessary.
Verify spark and check the flame ignition electrode (12) for
deterioration and, if it is worn, replace it.
If the electrode is removed from its seat, its gasket (11)must be
replaced.
Check the flame sensor electrode (10) for deterioration and, at the
slightest sign of deterioration, replace it. If the sensor is removed
from its seat, its gasket (9) must be replaced.
Check the boiler condensate trap, remove and clean if needed –
re-prime trap
Check the correct working of the condensate check valve
dispositive
Refill the boiler and purge all air from the system
Check for piping leaks around pumps, relief valves and other
fittings. Repair, if found. DO NOT use petroleum-based stopleak
Inspection of the low water cutoff in the boiler and system. Also
float type low water cutoffs must be periodically flushed, if used
in the system.
Power boiler back on
Verify the polarity and ground of the power supply (L-N=120v,
L-G=0v, N-G=0v)
Check incoming power to spark generator - minimum 120VAC
Verify the unit is set for the proper gas by accessing the "Gas Type"
parameter on the boilers front screen
Visually inspect the burner flame and ignition sequence to
ensure proper operation
Perform a combustion check per section 11.21 - Combustion
Analysis in the Installation &
Operation Instructions For
Contractors using a combustion analyzer. Ensure the CO2% and
CO ppm are within the acceptable limits given in the IOM and by
local codes.
Ensure the CH and DHW temperature setpoints are set correctly
Door gasket maintenance procedure
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8 Year 9 Year 10
Maintenance date
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Replace the burner door gasket (4).
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Summary of Contents for Family PRO 42 IS
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