ON-LINE RACK
PH 9360 - PH 9301 .
2.3. Setup the UPS for a Parallel System
If the UPS is only available for single operation, you may skip this section to the next.
Step 1.
Install and wire the UPSs according to the section 2.2.
Step 2.
Connect the output wires of each UPS to an output breaker.
Step 3.
Connect all output breakers to a major output breaker. Then this major output
breaker will directly connect to the loads.
Step 4.
Each UPS is connected to an independent battery pack.
Step 5.
Remove the cover of parallel share current cable port on the UPS, connect
each UPS one by one with the parallel cable and share current cable, and then screw
the cover back again:
Note: The parallel system cannot use one battery pack. Otherwise, it will cause system permanent
failure.
Step 6.
Refer to the following wiring diagram:
Diagram 1: Power cable connection
Diagram 2: Wiring diagram of parallel system
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