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Assembly and connection manual | Agrónic 2500
Options | Dual Voltage Option
If the pump is stopped when the fuel supply is cut o
by a solenoid valve, it is installed at the same injector
input for the stop to be as quick as possible. When
the solenoid valve is normally open, it is connected
directly to the stop output. If the solenoid valve is
normally closed, it is connected to the contact output.
When there is a preheating function, this is connected
to the relay to be activated.
For greater safety, it is convenient to have a dual
stopping system that uses an electromagnet for
stopping quickly and eectively, plus a solenoid valve
that is normally closed so as to cut o the fuel supply if
there is an incident or malfunction.
5.2. DUAL VOLTAGE OPTION
The Dual Voltage option is for installations where the
power comes from a diesel generator. The Agrónic will
start the generator when it has to irrigate and will stop
it when finished.
The Agrónic is powered by the group’s 12 Vdc battery.
The four outputs that give the commands to start and
stop the generator go to 12 Vdc, all the others go to 24
Vac and are operational when the generator is running.
The 12 Vdc outputs are always the last 4 of the unit.
The Agrónic can have two functions:
With start and stop management of the diesel pump.
In this case, the diesel pump control is used with the
preheating, contact, start, stop outputs and the digital
input of the oil pressure gage.
With central control start management built into the
generator. In this case, only a contact signal is needed.
To activate this operation, the start and stop times will
be ‘0’.
Agrónic 2500 – 9 outputs 9 8 7 6
Agrónic 2500 – 18 outputs 18 17 16 15
Agrónic 2500 – 27 outputs 27 26 25 24
Electric pump (Pump output M1)
Model Start Stop Contact Preheating
12 Vdc outputs
Outputs at 24 Vac
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