Lenze i750 - Page 48

NOTICE
Overvoltage at devices with 230-V mains c
onnecon
An impermissible overvoltage may occur if the central supply of the N conductor is
interrupted if the devices are connected to a TN three-phase system.
Possible consequences: Destrucon of the device
▶
Provide for the use of isolang transformers.
NOTICE
The product contains electr
ostac sensive devices.
Possible consequences: Destrucon of the device
▶
Before working in the connecon area, the personnel must be free of electrostac charge.
NOTICE
Use of mains lt
ers and RFI lters in IT systems
Mains lters and RFI lters from Lenze contain components that are interconnected against
PE.
Possible consequences: The lters may be destroyed when an earth fault occurs.
Possible consequences: Monitoring of the IT system may be triggered.
▶
Do not use mains lters and RFI lters from Lenze in IT systems.
▶
Before using the inverter in the IT system, remove the IT screws.
NOTICE
Overvoltage at components
In c
ase of an earth fault in IT systems, intolerable overvoltages may occur in the plant.
Possible consequences: Destrucon of the device.
▶
Before using the inverter in the IT system, the contact screws must be removed.
▶
Posions and number of the contact screws depend on the device.
When implemenng machines and s
ystems for the use in the UL/CSA scope, you
have to observe the relevant special notes.
These notes are marked with "UL marking".
You have to install the devices into housings (e. g. control cabinets) to comply
with v
alid regulaons.
Sckers with warning notes must be displayed prominently and close to the
device.
Electrical ins
tallaon
Important notes
48