Ups Initial Startup - Dell H955N User Manual

UPS Initial Startup

To start up the UPS:
1
Verify that the internal batteries are connected.
2
If an optional EBM is installed, verify that the EBM is connected to the UPS.
3
Verify that all load segment circuit breakers are in the ON position.
4
Switch the main utility breaker on.
The UPS front panel display illuminates. The Dell startup screen changes to the UPS status
summary screen. The UPS front panel display shows the flashing Standby icon
5
Press the button on the UPS front panel.
After the startup is complete, the status icon changes to the appropriate icon based on the UPS
operating mode (see Table 3 on page 36).
6
On the UPS status control panel, press the
any active alarms before continuing. See "Troubleshooting" on page 64.
If there are no active alarms, a "No Active Alarms" message appears.
7
Verify that the Normal icon
UPS is operating normally and any loads are powered (see Table 3 on page 36).
8
If an optional EBM is installed, see "Configuring the UPS for an EBM" on page 50.
9
To change other factory-set defaults, see "Operation" on page 31.
10
If you installed an optional REPO, test the REPO function:
Activate the external REPO switch. Verify the status change on the UPS display.
Deactivate the external REPO switch and restart the UPS.
NOTE:
Dell recommends setting the date and time.
NOTE:
At initial startup, the UPS sets system frequency according to input line frequency (input frequency
auto-sensing is enabled by default). After initial startup, auto-sensing is disabled until manually re-enabled by
output frequency setting.
NOTE:
At initial startup, input voltage auto-sensing is enabled by default. After the subsequent startup,
auto-sensing is disabled until manually re-enabled by output voltage setting.
NOTE:
The internal batteries charge to 90% capacity in less than 4 hours. However, Dell recommends that the
batteries charge for 48 hours after installation or long-term storage.
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Installation
button to check for active alarms or notices. Resolve
appears on the UPS status summary screen, indicating that the
.