Operation on an IT system

WARNING

Danger of electric shock. Dangerous voltage levels may arise inside the inverter and at the terminals up to 10 minutes after disconnection from the supply system.
Severe or fatal injuries.
  • Before unscrewing the EMC and VAR screw, disconnect the inverter from the power supply and wait at least 10 minutes.
  • Convert the inverters with degree of protection IP20 and IP66 before operation on an IT system.
  • Convert the inverters of size 8 with degree of protection IP55 before operation on an IT system.
  • You cannot convert the inverters of sizes 4 to 7 with degree of protection IP55.
  • For the 3 × 380 – 480 V devices with degree of protection IP55, use the IT system version without filter LTP-B....–...–.–15., see chapter 3-phase system AC 380 – 480 V as an IT system version – device without filter.
  • For all other inverters with degree of protection IP55, contact SEW-EURODRIVE.
  • Deactivate the integrated EMC filter to operate a MOVITRAC® LTP-B on an IT system.