ENG
Use & Instruction Manual
WARNING: The number of connectors to be connected to the section valves depends on the
type of switch box and the cable combined with it.
Power supply cable
Fig.1-2-5 Supply power to the switch box by means of the ignition key, using the power supply cable
provided Ca.
If contact 15/54 (utilities) of the ignition key is able to withstand a continuous load of 10A, make the
connections shown in g.2 .
Otherwise, t a relay as shown in g.1. Protect the line with a 10A fuse (g.1-2). Use cables with gauge
of at least 1.5 mm
2
.
To avoid the risk of short circuits, do not connect the power supply cable before completing
the installation. Check that the voltage of the tractor battery is the same as that of the contreol
panel (12V ±10%).
OPERATION (Fig.4)
Switch SP : control switch for regulating valve. Hold the switch lever on (+) to increase or (-) to
decrease the pressure of the plumbing system.
Switch SG : **Control switch for unloading control valve. Switch up for setting OFF; switch down
for setting ON.
Switch S1÷S4 : ON/OFF switch for electrovalves.
Switch up for setting ON; switch down for setting OFF.
** RD: When the lever of switch SG is lowered, the section valves are automatically closed even if their
respective switches are in ON position. For use with controI units with dump valve.
DISMANTLING AND DISPOSAL
Dismantling of the control panel must be carried out only by qualied personnel and in compliance with
legislation in force in the country in which it has been installed.
PROBLEMS, CAUSES AND REMEDIES
PROBLEM CAUSE REMEDY
The leds illuminate but it is not
possible to operate the valves.
Connectors not connected,
or unplugged
Connect the connectors in the
correct way.
The leds are olt and the valves
are not working.
Thermal protection burnt out.
Replace fuse.
No power supply. Check the power supply.
Reversed power supply cable
Check the power supply connection.
The switches are on OFF but
the valves are open.
Voltage on box reversed.
Check the power supply cable
connection, on box.
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