Eaton Power Xpert 9395P - Starting a Single UPM; Transfer from Normal to Bypass Mode

P-164000476 9395P 500kVA / 600 kVA 117
Revision 002 User’s and Installation Guide
NOTE
To transfer to Normal mode after starting individual UPMs, follow the procedure in Section 7.5.9.
7.5.7 Starting a single UPM
To start a single UPM:
1 Unfasten the front door latch and swing the door open.
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 becoming active, indicating logic power.
8. Close the battery breaker.
9. Press the LOCK icon on the main screen. The Sign In screen is displayed. Use operator password
to log in (factory default password is 0101).
10. Select CONTROLS on the main screen. SYSTEM CONTROLS screen is displayed.
11. Select MODULE CONTROLS. All the installed UPMs and their status can be seen here.
12. On the MODULE CONTROLS screen, choose the desired UPM.
13. Select GO TO NORMAL to transfer the UPM to normal mode. Command confirmation pop-up
screen will show up asking confirmation for the action. Select YES.
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.
7.5.8 Transfer from Normal to Bypass mode
To transfer the critical load to Bypass mode:
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and
abnormalities.
1 On any UPS, press the LOCK icon on the main screen. The Sign In screen is displayed. Use operator
password to log in (factory default password is 0101).
2. Select CONTROLS on the main screen. SYSTEM CONTROLS screen opens up.
3. Select GO TO BYPASS. Command confirmation pop-up screen will show up asking confirmation for
the action. Select YES.
All of the UPSs transfer to Bypass mode and the critical load is immediately supplied by the bypass
source. If the bypass source is not available, the power module remains on and an alarm sounds. The
BYPASS status indicator is illuminated. The UPM status is READY on the MODULE CONTROLS
screen. The power module remains on.