Vertiv™ NetSure™ Control Unit (NCU) User Manual
5.8 System Status Area
System status is displayed in this area and consists of a Power System tab (see page 115), Energy Sources tab (if additional energy
sources are connected to the system) (see page 135), General Status tab (see page 136), and Custom Input Status tab (if an SM-DUE
is connected to the NCU and one of the inputs is being used for voltage or transducer) (see page 137).
Temperature Reading
• The temperature sensor set as “Main Ambient Temp Sensor” (Settings Menu / System Tab) is the sensor which displays the
ambient temperature on the Power System tab.
System Current Reading
• “System Current” equals total rectifier current or total solar converter current minus total battery current when battery shunt
exists or calculated battery current. If you do not calculate battery current, “System Current” equals total rectifier current or
total solar converter current.
Calculated Load Current Reading
This value changes based on equipment installed.
• If no Load Shunts, then the value is calculated same as the "System Current".
• If Load Shunts exist and Converters exist, then the value is calculated as:
System Current - Converter Input Current
• If Load Shunts exist and no Converters, then the value is same as the "Total DC Load".
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