Eaton POWERWARE 9315 - Manual (Page 73)

UPS OPERATING INSTRUCTIONS
EATON Powerware ® 9315 UPS (500–750 kVA) Installation and Operation Manual S 164201691 Rev 1 www.powerware.com 9-3
9.2 Starting the UPS
To start the UPS system:
NOTE This procedure assumes Automode is enabled.
1. Verify that the UPS circuit breakers are set as follows:
UPS Input Breaker (CB1) OPEN
UPS Battery Breaker or Battery Disconnect (CB2) OPEN
UPS Output Breaker (CB3) OPEN
UPS Bypass Breaker (CB4) OPEN
Backfeed Protection Breaker (FBP) OPEN
NOTE When feeder power is applied in Steps 3 and 5, UPS circuit breakers CB1, CB2, CB3, CB4, and FBP
will charge, if not already charged.
2. Ensure the Push In To Reset pushbutton is pressed in.
3. Close the UPS input feeder circuit breaker.
4. Observe the UPS LCD screen becoming active, indicating logic power.
5. Close the UPS Bypass input feeder circuit breaker. Breakers CB4 and FBP close
as soon as charged.
The critical load is immediately supplied by the bypass source. The UPS is in
Bypass mode, until the inverter turns on and the UPS transfers to Normal mode.
The status indicator on the UPS control panel indicates the UPS is in Bypass
mode.
6. On the UPS, set the Battery switch to ENABLE.
7. If system is equipped with motor operated breaker CB1, proceed to Step 8;
otherwise, proceed to Step 11.
8. On the UPS, turn the Mode key switch to NORMAL for one second.
NOTE If system is equipped with Inrush Protection Option, the inrush contactor closes before UPS
breaker CB1 closes.
9. Confirm UPS breaker CB1 has closed by viewing the breaker position on the LCD
Mimic screen.
The rectifier and the input/rectifier cooling blowers turn on.
10. Proceed to Step 13.
11. Close UPS breaker CB1.
The input/rectifier cooling blowers turn on.
12. On the UPS, turn the Mode key switch to NORMAL for one second.
The rectifier turns on.