Becker VariAir VAU 11/22.3 User Manual

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

Becker VariAir VAU 11/22.3 Specifications

General

Type	VAU 11/22.3
Category	DC Drives
Output Power	11 kW
Input Voltage	400 V
Output Current	22.3 A
Frequency	50/60 Hz
Protection Class	IP54

Summary

Frequency converters

1 General information

1.1.1 Warnings

Describes life-threatening dangers and warning elements.

1.3 Qualified personnel

Specifies requirements for personnel performing work on the converter.

1.4 Intended use

Defines the purpose and limitations of the frequency converter.

1.7 Safety information

Provides general safety measures for handling converters.

1.7.1 General information

1.7.3 Notes for commissioning

Critical safety notes before starting up the converter.

1.7.4 Notes for operation

Safety instructions for operating the frequency converter.

1.7.5 Maintenance and inspection

Information on maintaining and inspecting the device.

1.7.6 Repairs

3 Installation

3.1 Safety information for installation

Safety precautions for installing the frequency converter.

3.2 Installation requirements

Specifies the necessary conditions for installing the converter.

3.2.1 Suitable ambient conditions

3.2.2 Connection versions VAU 4/4 & VAU(w) 7.5/3

Shows wiring diagrams for specific VAU models.

3.2.3 Connection version VAU 11-22/3

Shows wiring diagrams for VAU 11-22/3 models.

3.2.5 Cabling instructions

3.3 Installation of a frequency converter integrated into the motor

Steps for integrating the converter into the motor.

3.3.1 Mechanical installation

Steps for mechanically mounting the converter onto the motor.

3.3.1.1 Mechanical installation of the VAU 4/4 & VAU(w) 7.5/3

Detailed mechanical installation for specific models.

3.3.1.2 Mechanical connection of the water cooling of the VAUw 7.5/3

3.3.1.3 Mechanical installation of the VAU 11-22/3

Detailed mechanical installation for VAU 11-22/3 models.

3.3.2 Connection space

3.3.3 Power connection

General information about power connections.

3.3.3.1 Power connection of the VAU 4/4 & VAU(w) 7.5/3

Detailed steps for connecting power to specific VAU models.

3.3.3.2 Power connection of the VAU 11-22/3

Detailed steps for connecting power to VAU 11-22/3 models.

3.3.5 Control connections

3.4 Local operation and display

3.6 Installation of a wall-mounted frequency converter

Instructions for mounting the converter on a wall.

3.6.1 Suitable installation location for wall mounting

3.6.2 Mechanical installation

3.6.3 Power connection

3.6.5 Control connections

4 Commissioning

4.1 Safety information for commissioning

Safety precautions for commissioning the converter.

4.2 General information

4.2.1 KombiTool

4.3 Basic configuration

4.3.1 Pressure/vacuum mode

4.3.2 Operating mode

4.3.2.1 Speed-controlled operation

4.3.2.2 Sensorless control (internal control)

4.3.2.3 Process control (sensor-guided PID control)

4.3.3 Setpoint origin

4.3.4 Start/stop origin (release)

5 Parametrisation

5.1 Parameter description

Lists and describes all available parameters.

5.2 Diagnostic parameters

6 Error detection and removal

6.1 List of errors and system faults

Explains how to identify and acknowledge errors.

6.2 Table of possible error messages

Provides a table of error codes, descriptions, and causes.

8 Technical data

8.1 General data

8.2 Derating of output power

Explains how output power is affected by conditions.

8.2.1 Derating due to increased ambient temperature

8.2.2 Derating due to installation altitude

8.2.3 Derating due to cycle frequency

10 Information for maintenance and service