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•Lightswhenheating
elementisoperating
•
Lightswhenther
e
isa
demandforcentralheating
ordomestichotwater
•Lightswhenboilerpump
isoperating
•
Indicateswatertemperature

inºForºC,setpoint,mode

anddiagnosticcodes
•
Usedtoselectsetpoint
andcongur
e
boiler
•T
urns
boileronandof
f,

selectsmodeand
congurationsettings
“AT” SERIES C
“AT” SERIES C
4-ELEMENT ELECTRIC BOILER
4-ELEMENT ELECTRIC BOILER INSET DETAIL
ABSOLUTE
EFFICIENCY.
TOTAL
COMFORT!
Advanced microprocessor
control energizes only
the elements needed to
satisfy demand, reducing
electricity costs.
Circulator Terminal
Contacts
Up/Down
Adjustment Buttons
NTC Thermistor
Heating Element LED
Indicators 1-4
Additional contacts for
optional low water cut-off
and ow switch controls
New Control
(see inset detail below)
Mode/Power Button
Heating Demand LED
Indicator
Pump LED Indicator
Circuit Breakers
LED Display