3.
Turn on the static bypass switch to connect bypass input to the UPS.
4.
Turn the MBS from the bypass position to the test position.
5.
Perform the UPS start-up procedure (bypass mode) in Section
.
6.
Turn the MBS from the test position to the UPS position.
7.
Perform the transfer from the bypass mode to the double conversion mode
.
The UPS is now in the double conversion mode.
Figure 41. Double conversion mode
A Static bypass input
1
Maintenance Bypass Switch (MBS)
B Rectifier input
C Out
Eaton 91PS/93PS UPS 8–40 kW
User's and installation guide
©
Eaton Corporation plc 2018. All rights reserved.
Revision: 005
Document ID: P-164000493
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