1.
Follow the normal start position:
Figure 41: Maintenance bypass mode
A
Static bypass input
1
Maintenance Bypass Switch (MBS)
B
Rectifier input
C
Output
2.
Turn on the rectifier switch to connect rectifier input to the UPS.
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.
Do the UPS start-up procedure (bypass mode) in
Section
.
6.
Turn the MBS from the test position to the UPS position.
7.
Do the transfer from the bypass mode to the double conversion mode as
described in
Section 7.4.4 Transfer from the bypass mode to the double
The UPS is now in the double conversion mode.
© Eaton Corporation plc 2020. All rights reserved.
Revision: 006
Document ID: P-164000493
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Eaton 91PS/93PS UPS 8–40 kW
User’s and Installation Guide
