Operating Instructions – MOVIFIT® basic
17
5
Installation instructions
Electrical installation
5.1.4 EMC-compliant installation
With respect to the EMC regulation, frequency inverters cannot be operated as stand-
alone units. Regarding EMC, they can only be evaluated when they are integrated in a
drive system. Conformity is declared for a described, CE-typical drive system. These
operating instructions contain further information.
5.1.5 Installation above 1000 m asl
MOVIFIT
®
basic units can also be operated at an altitude of 1000 – 4000 m amsl. Ob-
serve the following basic conditions:
• At heights above 1000 m amsl, the nominal continuous power is reduced due to re-
duced cooling => I
N
reduction by 1% per100 m.
• For heights from 2000 m to max. 4000 m amsl, observe the following notes:
– The safe disconnection of power and electronics connections can no longer be
assured above 2000 m. For safe disconnection, you have to take measures ac-
cording to IEC 60664-1 / EN 61800-5-1.
– Connect an overvoltage protection device upstream of MOVIFIT
®
basic to reduce
overvoltages from category III to category II.
5.1.6 Protection devices
• MOVIFIT
®
basic drives are equipped with integrated protection devices against over-
load of the drive. External motor protection devices are not necessary.
5.1.7 UL compliant installation (in preparation)
UL and cUL approval for the MOVIFIT
®
basic unit series is in preparation.
INFORMATION
This drive system is not designed for operation on a public low voltage supply system
that supplies residential areas.
This is a product with restricted availability in accordance with IEC 61800-3. It may
cause EMC interference. In this case, it is recommended for the operator to take
suitable measures.
For detailed information on EMC compliant installation, refer to the publication
"Electromagnetic Compatibility in Drive Engineering" from SEW-EURODRIVE.
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