34
P/N
240011589
, Rev. A [08/03/2016]
APPENDIX A - CONTROL MODULE
A.5 Operation
Module continuously monitors boiler water temperature and
fires or shuts off burner based on this temperature data.
1.
When “Call for Heat” occurs, control enables circulator
and monitors boiler water temperature to determine
whether thermostat can be satisfied without firing
burners.
2.
Control determines burner operation is required,
module proceeds to start burner (see state codes list)
and heats water in boiler until setpoint temperature is
achieved or thermostat is satisfied. .
3.
Burner is de-activated, ignition module completes
heating cycle, returns to idle and waits for temperature
to drop again.
4.
Circulator is turned on throughout “Call for Heat.”
