Connecting up, switching on
4.3 Operation on a non-grounded line supply (IT system)
Power Module PM330
Hardware Installation Manual, 12/2018, A5E32844552B AF
41
Operation on a non-grounded line supply (IT system)
If the built-in unit is operated from a non-grounded supply (IT system), the connection to the
basic interference suppression module of the Power Module must be opened.
Damage to the device through not removing the connection clip with a non-grounded line
supply
Failure to open the connection to the basic interference suppression module on a non-
grounded line supply (IT system) can cause significant damage to the device.
• With a non-grounded line supply (IT system) open the connection to the basic
interference suppression module.
Figure 4-3 Opening the left-hand housing flap
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