Eaton 93E MK2 - Single UPS Operation; Starting the UPS in Standard Normal Mode (Default Mode)

6.3 Single UPS Operation
• Note switch operation nomenclature: Open = O = Off, Closed = I = On.
• Refer to the External Battery Cabinet Installation Manual for EBC
bat ter y breaker location.
• The neutral switch here means the external neutral switch installed by user
6.3.1
Starting the UPS in Standard Normal Mode (Default Mode)
To start the UPS
sy stem:
1.
Unfasten the front door by lifting the latch from the bottom and turning to the right
(counterclockwise) and swing the door open (see Figure 6-1).
2. Verify that the input and output switches are open.
3. Verify the bypass input switch is open (Dual Input).
4. Verify that the maintenance bypass switch is open and the Neutral Switch is closed.
5. Close the UPS input feeder circuit break er .
6. If the UPSs are wired for dual input, close the UPS Bypass input feeder circuit break er .
7. Close the input switc h.
8. If the UPSs are wired for dual input, close the bypass input switc h.
9. If the UPS contains an output switch, close the output switc h.
10. Make sure MBS cover is inst alled.
11. Close the door and secure the latc h.
12. Observe the UPS control panel display becoming active, indicating logic po w er .
13. Verify no alarms are activ e.
14. Select the CONTROLS symbol on the main menu bar. The System Control screen is displa y ed.
15. If not already selected, select UPS on the System Control screen.
16. On the UPS System Control screen, select the LOAD OFF NORMAL command, then press
the
RETURN
pushbut ton.
17. If requested, enter the Level 1 password. Default password is 1111.
After entering password, UPS will transfer to bypass first and the Bypass LED
will
illuminate. The rectifier and inverter turn on. The inverter continues to ramp
up to full v
olt age.
Once the inverter
reaches full voltage, the UPS output contactor closes and the static switch
turns of f . Power is now supplied to the critical load in Standard Normal mode. It takes
approximately
one minute f or the UPS to achieve Standard Normal mode.
The Normal status indicator is illuminated.
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Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation