Fig.2
Fig.2a
page8
3.0ApplianceOperation
3.1OperatingMode(Fig.3)
1.Withademandforheatingorhotwater,thepumpcirculateswaterthroughtheprimarycircuit.Iftheflowis4.0L/minorabovetheignitionsequencewillstart.
2.Whentheflowtemperaturereachesthesetpointtemperature,a5minutedelayoccursbeforetheburnerrelightsautomatically(anticycling).Thepumpcontinuestorun
duringthisperiod.
3.Whenthedemandissatisfiedtheburnerisextinguishedandthepumpcontinuestorunforaperiodof5minute(PumpOverrun).