Parallel System Initial Startup - Eaton Powerware BladeUPS User Manual

PREASSEMBLED SYSTEM INSTALLATION

Parallel System Initial Startup

42
Eaton BladeUPS (12 kVA) User's Guide
To start up a parallel system:
NOTE Verify that the total equipment ratings do not exceed the parallel system capacity to prevent an
overload alarm.
1. Verify that all battery circuit breakers on all UPSs are in the OFF (O) position (see
Figure 14).
NOTE The load connector breaker controls the load connector only, not the output power cord.
2. Switch on utility power where the UPS is connected.
3. Remove the breaker ties from the circuit breakers.
4. Switch the UPS input circuit breaker on each UPS to the ON (
5. Wait for the front panel display on each UPS to illuminate.
The indicator flashes on each UPS.
6. Check each UPS front panel display for active alarms or notices (other than
"Batteries Disconnected"). Resolve any active alarms before continuing.
See "Troubleshooting" on page 135.
7. Switch all UPS battery circuit breakers to the ON (
8. If optional EBMs are installed, switch all EBM battery circuit breakers to the
| ) position.
ON (
9. Verify that the "Batteries Disconnected" alarm on each UPS has cleared. Verify
that no other alarms appear on any UPS front panel display.
If an indicator is flashing on any UPS, do not proceed until all alarms are clear.
Check the UPS status from the front panel to view the active alarms. Correct the
alarms and restart if necessary.
10. On any UPS, press any button on the front panel display to activate the menu
options, and then press the button until the TURN UPS ON/OFF menu displays.
11. Press the button to display the TURN SYSTEM ON option; press the
button.
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| ) position.
| ) position.