Chapter 4 Operations
30
RT33020/25/30KE User Manual
Fig.4-9 Parallel setting
2.
Set “System Mode” to “Parallel”, and set the “United Number” to the number of units in
parallel. For the setting of system ID with a system of 3 units in parallel, for example, set
the number from 0 to 2 for these 3 units accordingly.
3.
Restart the UPS when finish the setting and press the button of “Set”. Here the software
setting is done. Ensure all the output parameters must be set the same.
Parallel system jumper setting
There are different setting of the jumpers on the parallel board and control board for
different parallel system.
Fig.4-10 Connectors on Parallel board (PS1409_TF1)
Fig.4-11 Connectors on Control board (PS1608_CT2)
1. Parallel boards settings
A. For single UPS, no need parallel board. When a parallel board is installed, connectors
of J33 to J42 should be shorted by the jumpers.
B. For 2 UPS in parallel, short the connectors of J33/J35/J37/J39/J41 by jumpers on each
