Safety Information
Persons supervising and performing the electrical installation or maintenance of a Drive and/or an external
Option Unit must be suitably qualified and competent in these duties. They should be given the opportunity to
study and if necessary to discuss this User Guide before work is started.
The voltages present in the Drive and external Option Units are capable of inflicting a severe electric shock and
may be lethal. The Stop function of the Drive does not remove dangerous voltages from the terminals of the
Drive and external Option Unit. Mains supplies should be removed and left removed for a minimum of 2 minutes
before any servicing work is performed.
The installation instructions should be adhered to. Any questions or doubt should be referred to the supplier of
the equipment. It is the responsibility of the owner or user to ensure that the installation of the Drive and external
Option Unit, and the way in which they are operated and maintained complies with the requirements of the
Health and Safety at Work Act in the United Kingdom and applicable legislation and regulations and codes of
practice in the UK or elsewhere.
The Drive software may incorporate an optional Auto-start facility. In order to prevent the risk of injury to
personnel working on or near the motor or its driven equipment and to prevent potential damage to equipment,
users and operators, all necessary precautions must be taken if operating the Drive in this mode.
The Stop and Start inputs of the Drive should not be relied upon to ensure safety of personnel. If a safety hazard
could exist from unexpected starting of the Drive, an interlock should be installed to prevent the motor being
inadvertently started.
General information
The manufacturer accepts no liability for any consequences resulting from inappropriate, negligent or incorrect
installation or adjustment of the optional operating parameters of the equipment or from mismatching the Drive
with the motor.
The contents of this User Guide are believed to be correct at the time of printing. In the interests of a
commitment to a policy of continuous development and improvement, the manufacturer reserves the right to
change the specification of the product or its performance, or the contents of the User Guide, without notice.
All rights reserved. No part of this User Guide may be reproduced or transmitted in any form or by any means,
electrical or mechanical including photocopying, recording or by any information storage or retrieval system,
without permission in writing from the publisher.
Important! Drive software version
This product is supplied with the latest version of user-interface and machine-control software.
If this product is to be used with other Control Techniques variable speed drives in an existing system, there
may be some differences between their software and the software in this product. These differences may cause
a difference in functions. This may also apply to variable speed drives returned from a Control Techniques Ser-
vice Centre.
If there is any doubt, contact a Control Techniques Drive Centre.
Copyright © October 2002 Control Techniques Drives Ltd
Issue Number: 12
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