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Cables shall be connected to the terminals as shown below;
Cable connection
Connections shall be made in the following order;
4.2.1. PE Connection
Input protective earth connection terminal “PE” of the UPS shall be connected to ground with a low
impedance connection.
The load shall be grounded via output protective earth terminal “PB”.
If there is an external battery cabinet present, it shall be grounded via battery protective earth
terminal “PB” of the UPS.
Connect the PE ground connector before connecting any other cable.
PE cable should be min. 10cm longer than the other cables.
*There should be no external battery terminal when internal batteries are used.
Internal and External batteries can not be used at the same time.
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