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4 INSTALLATION
Install the controller with the base-plate on a flat metallic surface that is clean and
unpainted. Apply a light layer of thermo-conductive grease between the two surfaces to
permit better heat dissipation.
Ensure that the wiring of the cable terminals and connectors is carried out correctly.
Fit transient suppression devices to the horn, solenoid valves, and contactors not con-
nected to the chopper such as those for activating the pump motor or steering motor.
4.1 CONNECTION CABLES
For the auxiliary circuits, use cables of 0.5mm² section.
For power connections to the motor and to the battery, use cables having section
of 35 mm² (as a minimum).
For the optimum inverter performance, the cables to the battery should be run side by side
and be as short as possible.
4.2 CONTACTORS
The main contactor must be installed. The LC coil driver is voltage controlled by means of
a 1 khz PWM. The voltage applied to the coil can be adjusted by "Main Cont Voltage"
parameter in Config/Adjustment menu. It has to be adjusted to the LC coil nominal voltage.
4.3 FUSES
- Use a 6.3A Fuse for protection of the auxiliary circuits.
- For protection of the power unit, refer to diagrams.. The Fuse value shown is the maxi-
mum allowable. For special applications or requirements these values can be reduced.
- For Safety reasons, we recommend the use of protected fuses in order to prevent the
spread of fused particles should the fuse blow.
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