Powerware 8 - 10 kVA User Manual
UPS 8 – 15 kVA, 230V 50/60 Hz output
User’s Guide
1022403
Revision B1
Revision B1
39
8.
Turn OFF the S2 switch to disconnect UPS bypass input:
9.
Remount the locking plate of the S1-3 switches to the position to prevent the use of them.
10.
UPS is now in the mechanical bypass mode, see below:
Turn UPS from mechanical bypass to normal mode
The procedure to turn the UPS back to normal mode is described below.
Figure 46.
The service (bypass supplying the load) positions of the three MBS switches.
No break transfer from Mechanical Bypass to normal mode:
1.
The normal start position should be following:
2.
Remove the locking plate of the S1-3 switches.
3.
Turn ON S2 switch to connect bypass input to UPS:
4.
Turn the F1 battery and F2 input breakers to ON position.
5.
Use LCD to “Turn UPS on” and wait until fully started.
- Make sure the UPS is not displaying alarms or notices alarm with the green LED lit.
- You may verify the output voltage from the meters screen of the LCD.
- Make sure the UPS is not displaying alarms or notices alarm with the green LED lit.
- You may verify the output voltage from the meters screen of the LCD.
6.
Use LCD to transfer the UPS to internal static bypass. Remember to verify the transfer
before proceeding the next step.
before proceeding the next step.
ON
OFF
OFF
ON
OFF
OFF
ON
ON
OFF