FC 300 Design Guide
Introduction to FC 300
FC 300
Design Guide
Software version: 3.5x
This Design Guide can be used for all FC 300 adju sta ble fr eque ncy d rives (AFD) with software
version 3.5x.
Thesoftwareversionnumbercanbeseenfromparameter15-43.
" CE Conformity and Labeling
What is CE Conformity and Labeling?
The purpose of CE labeling is to avoid technical trade obstacles within EFTA and the EU. The EU
has introduced the CE label as a simple way of showing whether a product complies with the
relevant EU directives. T he CE label says nothing about the specifications or quality of the product.
Adjustable fre quency drives are regulate d by three EU dir ectives:
The machinery directive (98/37/EEC)
All machines with critical moving parts are covered by the machinery directive of J anuary 1, 1995. Since an
adjustable frequency drive is largely electrical, it does not fall under the machinery directive. However, if
an adjustable frequency drive is supplied for use in a machine, we provide information on safety aspects
relating to the adjustable frequency drive. We do this by means of a manufacturer ’s declaration.
The low-voltage directive (73/23/EEC)
Adjustable frequency drives must be CE-labeled in accordance with the low-voltage directive of
January 1, 1997. The dire ctive applies to all electrical equipment and appliances used in the
50 - 1000 V AC and the 75 - 1500 V DC voltage ranges. Danfoss CE-labels in accordance with
the directive and issues a d eclaration of conformity upon request.
The EMC directive (89/336/EEC)
EMC is short for electrom agnetic compatibility. T h e presence o f electromagnetic compatibility m eans that the
mutual interference between different components/appliances does not affect the way the appliances work.
The EMC directive came into e ffect January 1, 1996. Danfoss CE-labels in accordance with the directive and
issues a declaration of conformity upon request. To carry out EMC-correct installation, see the instructions in
this Design Guide. In addition, we specify which standards our products comply with. We offer the filters
presented in the specifications and provide other types of assistance to ensure the op timum EMC result.
The adjustable frequency d rive is most ofte n use d by professionals of the trade as a complex component
forming part of a larger app liance, syst em or installation. It must be noted that the responsibility for
the final EMC properties of the appliance, system, or installation lies with the installer.
" What Is Covered
The EU "Guidelines on the Application of Council Directive 89/336 /EEC" outline three typical situations
of using an adjustable frequency drive. See following for EMC coverage and CE labeling.
1. The adjustable frequency drive is sold directly to the end consumer. The adjustable frequency drive is
for example sold to a DIY market. The end consumer is a layman. He installs the adjustable frequency
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MG.33.B6.22 - VLT is a registered Danfoss trademark
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