7 Installation at Site
44 of 212
PumpDrive 2
IT mains
DANGER
Contact with live components
Risk of fatal injury due to electric shock!
▷ Never remove the centre housing part from the heat sink.
▷ Mind the capacitor discharge time.
After switching off the frequency inverter, wait 10minutes until dangerous
voltages have discharged.
Jumper in IT mains
If the frequency inverter is to be used in an IT mains, the relevant IT mains jumpers
(See Figs. "Establishing the power supply and motor connections, size A" and
"Establishing the power supply and motor connections, size B") must be removed.
7.4.3.3.1 Connecting the power supply when the master switch is installed
If the optional master switch is in the OFF position, the frequency inverter and the
motor are disconnected from the mains.
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