APC Easy UPS 3S 20 kVA 400 V 3:1 UPS for external batteries (E3SUPS20K3I) user manual

Contents

1. Easy UPS 3S for External Batteriesp. 1
2. Important Safety Instructions — SAVE THESE INSTRUCTIONSp. 5

   10–30 kVA 3:1 Important Safety Instructions — SAVE THESE INSTRUCTIONS Read these instructions carefully and look at the equipment to become familiar with it…

3. Specificationsp. 11
4. Overviewp. 17

   10–30 kVA 3:1 Overview Overview of Single UPS UIB Unit input breaker SSIB Static switch input breaker UOB Unit output breaker MBB Maintenance bypass breaker BB…

5. Receivingp. 20

   External Inspection When the shipment arrives, inspect the shipping material for any signs of damage or mishandling. Do not attempt to install the system if a…

6. Connect the Power Cablesp. 23

   10–30 kVA 3:1 Connect the Power Cables Connect the Power Cables in the 10–15 kVA UPS 1. Ensure that all breakers are in the OFF (open) position. 2. Remove the…

7. Communication Interfacesp. 26

   10–15 kVA UPS A. Dry contacts B. Parallel ports C. USB (for service) D. RS485 E. RS232 (for service) F. Slot for optional network card G. Cold start (optional)…

8. Backfeed Protectionp. 29

   10–30 kVA 3:1 Backfeed Protection DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH In systems where backfeed protection is not part of the standard…

9. Tom sidep. 33