Turn Ups From Mechanical Bypass To Normal Mode - Powerware 8 - 15 kVA User Manual

8. Turn OFF the S2 switch to disconnect UPS bypass input:
ON OFF OFF
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:
ON OFF OFF
2. Remove the locking plate of the S1-3 switches.
3. Turn ON S2 switch to connect bypass input to UPS:
ON OFF
ON
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.
6. Use LCD to transfer the UPS to internal static bypass. Remember to verify the transfer
before proceeding the next step.
1022403
Revision B1
UPS 8 – 15 kVA, 230V 50/60 Hz output
User's Guide
39