NORD Drivesystems BU0710 User Manual
Page 3
NORDAC SK 700E Frequency Inverter
Instructions for the safety and use of
variable frequency converters
(as provided in the 73/23/EEC low-voltage directive)
1. General
Depending on their type of enclosure, variable frequency
inverter may have live, bare, in some cases even moving or
rotating parts as well as hot surfaces during operation.
Inadmissibly removing the required covers, improper use,
incorrect installation or handling can be dangerous and may
lead to serious damage to persons or to property.
See the documentation for more detailed information.
Any transport, installation, starting-up or maintenance work
shall be performed by properly qualified, skilled and
competent personnel (IEC 364 or CENELEC HD 384
respectively or DIN VDE 0100 and IEC 664 or DIN VDE
0110 and national accident prevention regulations to be
observed).
Qualified, skilled personnel as mentioned in these basic
safety instructions is understood to refer to persons who are
familiar with the installation, assembly, setting-up and
operation of the product and who have the qualifications
required for the job of which they are in charge.
2. Intended use
Variable frequency inverter are components designed to be
integrated into electrical installations or machinery.
If the converters are installed in machines, they must not be
put into operation (in other words, operation as intended by
the manufacturer must not begin) until it has been
established that the machine in question actually meets the
requirements mentioned in the EC directive 89/392/EEC
(Directive For Machines); EN 60204 is to be observed.
The device must not be put into operation (i.e. operation as
intended by the manufacturer must not be started) unless
the stipulations of the EMC directive (89/336/EEC) are
fulfilled.
Variable frequency inverter meet the requirements stated in
the low-voltage directive 73/23/EEC. Likewise the accorded
standards of the series prEN 50178/DIN VDE 0160 in
conjunction with EN 60439-1/ VDE 0660 Part 500 and EN
60146/ VDE 0558 are applied to the variable frequency
inverter.
Refer to the rating plate and the documentation for details
on technical data and connecting requirements and do not
fail to observe them and to follow instructions.
3. Transport, storage
Follow the instructions for transport, storage, and proper
handling.
Ensure climatic conditions as specified in prEN 50178.
4. Installation
The devices must be installed and cooled as directed in the
relevant documentation.
The variable frequency inverter must be protected against
inadmissible stress. Special care should be taken not to bend
components or to change the spacing of insulation during transport
and handling. Do not touch electronic components and contacts.
Variable frequency inverter contain electrostatically sensitive
components which are easily damaged through improper handling.
Electrical components must not be damaged or destroyed
mechanically (potential health risks!).
5. Electrical connection
Follow the applicable national accident prevention rules (e.g. VBG
4) when working on variable frequency inverter while they are live.
Electrical installation is to be performed in accordance with
applicable rules and regulations (e.g. regarding conductor cross
sections, fusing, PE connection). Apart from these, more
instructions may be mentioned in the documentation.
Recommendations for meeting EMC standards in installation - for
instance with regard to screening, earthing, filter arrangement and
the routing of lines - are found in the converter documentation. CE-
marked variable frequency inverter are always subject to such
instructions as well. It is the responsibility of the machine or plant
manufacturer to ensure that the limit values stipulated by EMC
legislation are duly met.
6. Operation
It may be necessary to provide facilities in which variable
frequency inverter are installed with additional monitoring and
protecting devices to satisfy the applicable safety regulations, e.g.
the law on technical working materials, accident prevention
regulations etc. Modifications of the variable frequency inverter by
means of the operating software are allowed.
Do not touch live parts of the device or power terminals right after
the converter has been disconnected from the supply voltage as
capacitors may still be charged. The information plates on the
driving current converter will give you precise details on the
subject.
Keep all covers closed during operation.
7. Service and maintenance
As described in the manufacturer’s documentation.
Do keep these Safety Instructions for future reference!
Please note:
Validity of these Supplementary Operating Instructions is contingent on the com-
plementary use of the basic Operating Instructions for the NORDAC SK 700E fre-
quency inverter which are also enclosed with the unit delivered.