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Maintenance instructions
ENGLISH
FL
Flow switch
INAIL
Connection
TA
Room thermostat
S.temp ACC
Storage Tank Temperature Sensor
ANALOG INPUT
Analogical input
GND 0-10V ING Analogical input 0-10 V
0-10V C.P.M.
Modulating Pump Control
ALARM SIGNAL
Alarm Output
Comm
P. COLL
Boiler collector pump control
Comm
P. CH
Heating pump control
P. car DHw
Storage tank loading pump control
com.
Common
(*)
Optional or only for certain countries
SM