5.4.2. Double Voltage Option
Equipment installed with this option have a different output configuration that operates the last four outputs at
12 volts; these outputs are positive and is powered by the same electrical supply as the rest of the equipment.
Their function is to activate the start-up and stopping functions of a generator. The rest of the outputs operate at
24 volts and are available once the generator has been started up.
The digital inputs have a common CD, the negative battery pole; the four outputs than using 12 volts have a
common the negative battery pole; and the other outputs have a 24 V common on the connectors marked as CR.
12 Vdc outputs:
Agrónic 2500 – 9 outputs: Start-up = 9 Stop = 8 Contact = 7 Preheating = 6
Agrónic 2500 – 18 outputs: Start-up = 18 Stop = 17 Contact = 16 Preheating = 15
Agrónic 2500 – 27 outputs: Start-up = 27 Stop = 26 Contact = 25 Preheating = 24
24 Vac outputs: Electro-pump (pump P1 output).
An example of the connections for equipment with 18 outputs:
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