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Page - 10/72 ADEZP0DC - AC-2 FLASH INVERTER - User Manual

4 INSTALLATION HINTS

In the description of these installation suggestions you will find some boxes of

different colours, they mean:

4 These are information useful for anyone is working on the installation, or a

deeper examination of the content

U These are Warning boxes, they describe:

- operations that can lead to a failure of the electronic device or can be

dangerous or harmful for the operator;

- items which are important to guarantee system performance and safety

4.1 Material overview

Before to start it is necessary to have the required material for a correct

installation. Otherwise a wrong choice of cables or other parts could lead to

failures/ misbehaviour/ bad performances.

4.1.1 Connection cables

For the auxiliary circuits, use cables of 0.5 mm² section.

For power connections to the motor and to the battery, use cables having section

of at least 50 mm².

For the optimum inverter performance, the cables to the battery should be run

side by side and be as short as possible.

4.1.2 Contactors

The main contactor must be installed. Depending on the setting of a parameter in

the controller (PWM ON MAIN CONT; see chapter 8.4.1, 8.4.2):

- the output which drives the main contactor coil is on/off (the coil is driven with

the full battery voltage).

- the output which drives the main contactor coil is modulated with a PWM at

high frequency (1 kHz). After an initial delay of about 1 sec in which the coil is

driven with the full battery voltage, the PWM reduces the voltage down to

62%.This feature is useful to decrease the power dissipation of the contactor

coil.

4.1.3 Fuses

- Use a 10 A Fuse for protection of the auxiliary circuits.

- For protection of the power unit, refer to diagrams. The Fuse value shown is

the maximum 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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Zapi AC-2 Manual de usuario Pagina 10