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9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
7.5
Single UPS Operation
7.5.1
Starting the UPS in Online Mode
To start the UPS system:
1.
Unfasten the front door latch and swing the door open (see Figure 4
‐
1).
2.
If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
3.
Close the UPS input feeder circuit breaker.
4.
Close the UPS Bypass input feeder circuit breaker.
5.
If the UPS contains input breaker CB1, close input breaker CB1.
6.
Close the door and secure the latch.
7.
Observe the UPS control panel display becoming active, indicating logic power.
8.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is displayed.
9.
On the System Status screen, verify the UPS status is SHUTDOWN and the UPM status is OFFLINE.
10.
Close the battery breaker.
11.
Verify no alarms are active.
12.
On the System Status screen, select the
UPS
command.
13.
Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS
Control Command screen is displayed.
14.
On the UPS Control Command screen, select
GO TO ONLINE
.
15.
If Auto Bypass is enabled (factory default), the critical load is immediately supplied by the bypass source,
in Bypass mode, until the inverter turns on and the UPS transfers to Online mode. The status indicator
on the UPS control panel indicates the UPS is in Bypass mode. If Auto Bypass is not enabled, the UPS
output remains off until the UPS transfers to Online mode.
16.
Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING INVERTER
SYNCING ONLINE, CHARGING
The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.
Once the inverter reaches full voltage, the UPS output contactor K3 closes and the static switch turns
off. Power is now supplied to the critical load in Online mode. It takes approximately one minute for
the UPS to achieve Online mode.
The Online status indicator is illuminated. The UPS status indicates ONLINE. The UPM status
indicates ONLINE, CHARGING.
NOTE
A Field Installed UPM (FI-UPM) is always designated as UPM 4.
Press the SELECT pushbutton on the UPS Command menu bar.
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