Danfoss VLT 2800 Frequency Converter Quick Guide

About this manual

This document serves as a quick reference for installing and running the Danfoss VLT 2800 frequency converter. It emphasizes critical safety measures regarding high voltage and earth leakage currents before installation begins.

The guide provides specific instructions for mechanical installation, including dimensions for various unit types (VLT 2803-2882) and requirements for air passages. It also details electrical installation steps, such as connecting power mains to terminals L1, L2, L3, and earth to terminal 95, along with specific tightening torques.

What's inside

• Safety Warnings
• Mechanical Installation
• Terminal Dimensions
• Electrical Installation
• Power Cables
• Mains Connection

Frequently asked questions

How long must one wait before touching potentially live parts of the frequency converter?

You must wait at least 4 minutes before touching any potentially live parts.

What is the minimum cross-section required for the reinforced Protective Earth connection?

A minimum 10mm² Cu or an additional PE wire with the same cable cross section as the Mains wiring must be used.

What type of Residual Current Device (RCD) is required for extra protection?

Only an RCD of Type B (time delayed) shall be used on the supply side of this product.