KACO blueplanet 750 - 1000 kVA - Manual (Page 28)

Page 28 KACO blueplanet 1000/875/750 TL3 M1 IS OD DEX0
Storage/Installation/Start-up
5.5 Electrical connection
DANGER
Lethal voltages are still present in the terminals and lines of the inverter even after
the inverter has been switched off and disconnected!
Coming into contact with the lines and terminals in the inverter will cause serious
injury or death.
Only authorised electricians who are approved by the supply grid operator may open,
install and maintain the inverter.
› Use extreme caution when working on the unit.
› Disconnect the AC and DC sides.
› Secure them against being inadvertently switched back on.
› Connect the inverter only after the aforementioned steps have been taken.
5.5.1 Protective earth connection
The protective earth connection is located in the right side of the housing, at the bottom.
Connection data
Number of PE Cables 1
Min. Cable diameter 95mm 2
Tightening torque for AC terminal connections 25Nm
Cable lug hole size 10mm ~ 12mm
Connect the PE bus bars
The PE (protective earth) bus bars are located on the right sides of the inverter cabinets.
Earth the inverter
" Determine the lay-out of the permanent wiring.
" Secure the protective earths (tightening torque for PE terminals: 25Nm). Do not use plug connections.
" Check whether all connected cables are securely attached and protected from mechanical forces.
" Attach the Plexiglas cover.