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Küenle KFU 4 Series - User Manual

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Manual
Frequency Inverter
Series KFU 2- / 4-
0,55 to 3,0 kW – 230 V – KFU 2-
0,55 to 132 kW – 400 V – KFU 4-
KN 620.1108 E

Table of Contents

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Summary

General Safety Instructions and Information on Use

Handling and Installation

Details on safe handling and proper installation procedures for frequency inverters.

Electrical Connection

Instructions for safe and correct electrical connection of the frequency inverter.

Safety Instructions on Function Safe Torque Off“ (STO)

Specific safety guidance for the 'Safe Torque Off' (STO) function.

Technical Data

Mechanical Installation

KFU 2- (up to 3.0 kW) and 401 (up to 4.0 KW)

Details the mechanical dimensions and installation for KFU 2 (up to 3.0 kW).

KFU 4- (75.0 to 132.0 kW)

Details the mechanical dimensions and installation for KFU 4 (75.0 to 132.0 kW).

Electrical Installation

EMC Information

Guidelines for ensuring electromagnetic compatibility (EMC) during installation.

Connection of Unit

Instructions on dimensioning conductor cross-sections for unit connections.

Commissioning of the Frequency Inverter

Setup Using the Control Unit

Guides through the initial setup and parameterization using the control unit.

Machine Data

Operational Behavior

Starting Behavior

Defines how the drive starts, including magnetization and current impression.

Stopping Behavior

Describes various methods for stopping the drive, including braking and coasting.

Error and warning behavior

Reference Values

Control Inputs and Outputs

Control Functions

Intelligent current limits

Sets current limits to prevent overload and avoid fault switch-offs.

Special Functions

Motor Protection Switch

Configuration for protecting the motor and supply cable against overload.

Error Protocol

Error List

Chronological list of the last 16 fault messages and error codes.

Error Environment

Documents operational behavior and error environment for troubleshooting.

Operational and Error Diagnosis

Küenle KFU 4 Series Specifications

General IconGeneral
BrandKüenle
ModelKFU 4 Series
CategoryDC Drives
LanguageEnglish

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