Options And Accessories - Danfoss VLT AQUA Drive Design Manual

3. VLT AQUA Selection
3.5.6. Automatic adaptations to ensure performance
The frequency converter constantly checks for critical levels of internal temperature, load current, high voltage on the intermediate circuit and low motor
speeds. As a response to a critical level, the frequency converter can adjust the switching frequency and / or change the switching pattern in order to
ensure the performance of the frequency converter. The capability to automatically reduce the output current extends the acceptable operating conditions
even further.

3.6. Options and Accessories

3
offers a wide range of options and accessories for the frequency converters.
3.6.1. Mounting of Option Modules in Slot B
The power to the frequency converter must be disconnected.
For A2 and A3 enclosures:
• Remove the (Local Control Panel), the terminal cover, and the frame from the frequency converter.
• Fit the MCB10x option card into slot B.
• Connect the control cables and relieve the cable by the enclosed cable strips.
Remove the knock out in the extended frame delivered in the option set, so that the option will fit under the extended frame.
• Fit the extended frame and terminal cover.
• Fit the or blind cover in the extended frame.
• Connect power to the frequency converter.
• Set up the input/output functions in the corresponding parameters, as mentioned in the section
For B1, B2, C1 and C2 enclosures:
• Remove the and the cradle
• Fit the MCB 10x option card into slot B
• Connect the control cables and relieve the cable by the enclosed cable strips
• Fit the cradle
• Fit the
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MG.20.N4.02 - VLT is a registered Danfoss trademark
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VLT AQUA Drive Design Guide
General Technical Data
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