Installing A Parallel System - ONEAC SE041XAT User Instruction Manual

Appendix B: Paralleling UPS Devices
Installing a Parallel
System
38
Fig. 21: Paralleling Sinergy (models with J in the part number)
Step A
1. Ensure that the mains supply distribution is switched OFF.
2. Ensure that all the main1/bypass input breakers are switched to "OFF" on all UPSs. All terminals,
breakers and plugs of UPS can be found on the respective rear panels of UPS/batteries.
Step B
1. Remove jumper from parallel terminals (S1 & S2), from each of the UPSs blocks to be connected.
2. Connect the input terminals (per the "Connecting Power Cables" on page 10) from each of the UPSs
terminal blocks to the mains distribution.
3. Connect the output terminals (per "Output Terminal Voltage" on page 13) together from each of the
UPSs to the load distribution.
ONEAC Sinergy SE II Series UPS User Manual