BOILER DISPLAY TABLES
32
Chapter 10
Indicates the SUMMER mode.
In this functioning mode the room thermostats relative to the heating
plant (radiators) are always satis ed: this means that the circuit board
will never enable the pumps (zone 1 and zone 2) relative to the heating
plant except for the safety functions (if the temperature of the water
inside the boiler exceeds 87°C, the pump in zone 1 is activated in order
to remove the excess heat).
Indicates the WINTER mode. In this functioning mode all devices present in the plant work regularly.
Indicates the request for heat by the
heating system.
There are 3 possible indications:
Dot o : There is no request for heat by thermostats T1 and T2; pumps/
electro-thermal controls are o :
Flashing dot: There is a request for heat by thermostats T1 and T2; pumps/
electro-thermal controls are o as work conditions are not satis ed.
Dot on: There is a request for heat by thermostats T1 and T2; pumps/
electro-thermal controls are on:
Indicates the request for heat by the
sanitary storage.
There are 3 possible indications:
Dot o : There is no request for heat by sanitary storage; pumps/electro-
thermal controls are o :
Flashing dot: There is a request for heat by thermostats sanitary storage;
pumps/electro-thermal controls are o as work conditions are not
satis ed.
Dot on: There is a request for heat by sanitary storage; pumps/electro-
thermal controls are on:
Indicates the request for heat by the
pu er.
There are 3 possible indications:
Dot o : There is no request for heat by the pu er; pumps/electro-thermal
controls are o :
Flashing dot: There is a request for heat by the pu er; pumps/electro-
thermal controls are o as work conditions are not satis ed.
Dot on: There is request for heat by the pu er; pumps/electro-thermal
controls are on:
Indicates setting
BIOMASS C.HEAT.
There are 2 possible indications:
Dot o : This setting has not been selected.
Dot on: This setting has been selected and the C.Heat. is in a work or
stand-by status for automatic re-ignition.
Indicates setting
BIOMASS / AUX.
There are 2 possible indications:
Dot o : This setting has not been selected.
Dot on: This setting has been selected and the C.Heat. is in a work or
stand-by status for automatic re-ignition.
Indicates setting
AUX C.HEAT.
There are 2 possible indications:
Dot o : This setting has not been selected.
Dot on: This setting has been selected and the C.Heat. is in a work or
stand-by status for automatic re-ignition.
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