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Becker VariAir VAU 4/4 User Manual

Becker VariAir VAU 4/4
68 pages
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www.becker-international.com
28100241500 05/18
Operating Instructions
Frequency converters
VAU 4/4
VAU(w) 7.5/3
VAU 11-22/3

Table of Contents

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Becker VariAir VAU 4/4 Specifications

General IconGeneral
BrandBecker
ModelVariAir VAU 4/4
CategoryDC Drives
LanguageEnglish

Summary

General Information and Safety

Documentation, Warnings, and Personnel Requirements

Explains documentation conventions, warning symbols, signal words, personnel, intended use, and responsibilities.

Safety Information and Precautions

Covers CE marking, general safety, transport, storage, commissioning, and operation safety guidelines.

Maintenance and Repair Guidelines

Outlines procedures for maintenance, insulation testing, pressure testing, and repairs.

Product Overview and Installation

Product Details and Installation Requirements

Details product scope, description, installation safety, and ambient condition requirements.

Motor Connection Variants

Shows connection diagrams for different VAU models and conductor types.

Cabling, Protection, and Power Connections

Covers protection, cabling, EMI avoidance, power, and brake resistance connections.

Control Connections and Interfaces

Explains control terminal connections, relays, and RS485 interface details.

Integrated Motor Installation Procedures

Details mechanical installation steps for integrated motor mounting and connection space.

Wall-Mounted Installation Procedures

Covers suitable locations, mechanical installation, and connections for wall mounting.

Commissioning, Operation, and Diagnostics

Local Operation and Accessories

Explains the control panel, display, LEDs, and optional MMI unit.

Commissioning Safety and Configuration

Covers safety during commissioning, general info, KombiTool, basic config, and operating modes.

Parameterization and Block Diagrams

Shows block diagrams and introduces the parameter description list.

Parameter Reference - Key Settings

Details parameters for setpoint origin, operating modes, PID control, motor limits, and MOP functions.

Parameter Reference - I/O and Special Functions

Details parameters for analogue/digital inputs/outputs, relays, error handling, and pressure/vacuum.

Diagnostic Parameters and Error Handling

Lists diagnostic parameters and provides detailed error detection and removal procedures.

Technical Data, Approvals, and Service

Technical Specifications

Provides general technical data, derating curves, and interface specifications.

Derating Information

Explains output power reduction due to ambient temperature, altitude, and switching frequency.

Approvals, Standards, and UL Specification

Covers EMC limits, standards, directives, and UL approval specifications.

Maintenance and Service Information

Provides information on maintenance, cleaning, and contacting service.

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