Delta NT Series - NT-Series 500 Kva Installation and Wiring

Chapter 4 Installation & Wiring
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NOTE:
When the total number of the parallel UPS units is more than four,
please install a load sharing choke between each parallel UPS and its
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current is even. For more information, please contact your local dealer,
sales representative or Delta customer service.
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to any other grounding system.
4.5.2 NT-series 500kVA Installation and Wiring
NT-series 500kVA consists of two cabinets. Before wiring, you have to join them
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Figure 4-34