Thomas & Betts 9395 - Manual (Page 64)

UPS 225 - 275 kVA
User’s and Installation Guide
1027212
Revision B
4
Turn UPS from mechanical bypass to normal mode
The procedure to turn the UPS back to normal mode is described below.
1. The normal start position should be following:
2. Turn ON rectifier switch to connect rectifier input to UPS.
3. Turn ON Static bypass switch to connect bypass input to UPS:
4. Perform UPS start-up procedure (bypass mode) contained in paragraph 5.3.2.
5. Turn S10 switch from bypass position to UPS position to connect UPS output to load.
6. Perform transfer from bypass to normal mode as described in paragraph 5.3.5.
Remember to verify the transfer before proceeding the next step.
7. UPS is now in Normal mode, see below: