Powerware UPS20-30kVA User Manual
37
UPS 20-30 kVA, 230 V 0/60 Hz output
User’s Guide
1026743
Revision B
Revision B
2. Use LCD to turn the UPS on internal static bypass mode. Select: CONTROL -> GO TO
BYPASS MODE. Remember to verify the transfer before proceeding the next step.
3. Remove the locking plate of the S1-3 switches.
4. Turn ON the S1 switch to bypass UPS:
4. Turn ON the S1 switch to bypass UPS:
. Turn OFF the S3 switch to disconnect UPS output:
6. Use LCD to turn UPS OFF.
7.
7.
Turn F1 battery breaker and F2 input to OFF position.
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 maintenance bypass mode, see below:
10. UPS is now in the maintenance bypass mode, see below:
Turn UPS from maintenance bypass to normal mode
The procedure to turn the UPS back to normal mode is described below.
Figure 18 The service (bypass supplying the load) positions of the three MBS switches.