AF2ZP0CL - ACE2 - User Manual Page - 11/85
4 INSTALLATION HINTS
In the description of these installation suggestions you will find some boxes of
different colors, 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. The screwing torque for the controller power connection must
be comprised in the range 13 Nm÷15Nm.
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 two parameters
in the controller (MAIN CONT VOLT [V%] and MAIN CONT V RID [%] ; see
chapter 8.4.1, 8.4.2):
- 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 a percentage of Vbatt set by MAIN CONT. VOLT. parameter, the
PWM reduces the voltage down to a percentage which is set by the MAIN
CONT V RID parameter. 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 chapter 9 (Recommended spare
parts for inverter). 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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