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NE Series (20-30kVA)
User Manual
Contents
3.8.3 Wiring for Parallel System (NE##PL Models ONLY) ..................................................................................22
3.9 Connect Communication Wires...............................................................................................................................23
3.9.1 RS232 Communication ..................................................................................................................................23
3.9.2 RS485 Communication ..................................................................................................................................24
3.9.3 Dry Contact Communication..........................................................................................................................24
3.9.4 SNMP Card (optional)....................................................................................................................................25
3.9.5 Battery Switch ................................................................................................................................................25
3.9.6 Anti-reverse Feedback Contactor (Included on “P”-Models) ........................................................................25
Chapter 4 Operation Guide ...................................................................................................................27
4.1 Check before Startup ...............................................................................................................................................27
4.1.1 Check the Electrical Connection ....................................................................................................................27
4.1.2 UPS Testing....................................................................................................................................................28
4.2 Precautions for Operating UPS................................................................................................................................28
4.3 Operation .................................................................................................................................................................29
4.3.1 Check Before Power-on .................................................................................................................................29
4.3.2 Start the UPS ..................................................................................................................................................30
4.3.3 Start Load .......................................................................................................................................................30
4.3.4 Shutdown UPS................................................................................................................................................30
4.4 Operation for Manual Maintenance.........................................................................................................................31
4.5 Operation for Parallel System (P-Models Only)......................................................................................................32
4.5.1 Start Parallel System.......................................................................................................................................32
4.5.2 Shut Down Parallel System............................................................................................................................34
4.5.3 Exit Parallel System Online............................................................................................................................34
4.5.4 Enter a UPS Online ........................................................................................................................................35
4.5.5 Redundancy Function of the Parallel System.................................................................................................35
4.6 Operation of Touch Screen......................................................................................................................................35
4.6.1 Menu Structure of Touch Screen....................................................................................................................35
4.6.2 Main Page.......................................................................................................................................................36
4.6.3 Work Status of the System .............................................................................................................................37
4.6.4 Controlling Function ......................................................................................................................................43
4.6.5 Monitoring Function.......................................................................................................................................46
