AFNZPxxx– DUALACE2 NEW GENERATION – User Manual Page 51/169
5.1.3 Fuses
- Use a 10 A fuse for protection of the auxiliary circuits
- Selection of appropriate fuse ratings is a system design issue and falls under
the OEMs responsibility. As a rule of thumb, the fuse shall be rated based on
the motor controller’s power output (2 min. rating) listed in chapter 2.3.
Calculate DC input current as follows:
Select a fuse with rating and time delay characteristics which will carry
indefinitely, but blow within 2 - 3 seconds for 2 x
.
- Chapter 11 shows the maximum allowable values. 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 spreading of particles in case a fuse blows.
- Selection of appropriate fuse ratings is a system design issue and falls under
the OEMs responsibility.
The fuse is not intended to protect the motor controller or motor against
overloads.
5.2 Installation of the hardware
Before doing any operation, ensure that the battery is disconnected.
Take necessary precautions to not compromise safety in order to prevent
injuries to personnel and damages to equipment.
5.2.1 Positioning and cooling of the controller
Install the inverter with the base-plate on a flat, clean and unpainted metallic
surface.
- Ensure that the installation surface is clean and unpainted.
- Apply a light layer of thermo-conductive grease between the two surfaces to
permit good heat dissipation.
- Ensure that cable terminals and connectors are correctly connected.
- Fit transient suppression devices to the horn, solenoids and contactors not
connected to the controller.
- Ensure the compartment to be ventilated and the heat-sinking materials
ample.
- Heat-sinking material and should be sized on the performance requirement of
the machine. Abnormal ambient temperatures should be considered. In
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