Eaton 93PR - 4.8.1. Supported Battery Configuration

Eaton 93PR 500 kW UPS
User's and Installation Guide 67
2. Perform transfer from double conversion mode to bypass mode as described in Chapter 6.4.3 Transfer from Normal
Mode to Bypass mode. Remember to verify the transfer before proceeding to the next step.
3. Turn the MBS from UPS position to Bypass position.
4. Perform the LOAD OFF procedure in Chapter 6.4.7 UPS system and critical load shutdown.
5. Turn OFF the rectifier switch to disconnect UPS rectifier input.
6. Turn OFF the output switch to disconnect UPS Inverter output.
7. Turn OFF the bypass switch to disconnect UPS bypass input.
UPS is now in the Maintenance Bypass Mode:
Output
Output
Maintenance
bypass input
Static
bypass input
Rectifier input
Bypass switch
Input switch Output switch
Maintenance bypass switch (MBS)
Input switch (open)
Horizontal position
Output switch (open)
Horizontal position
UPM cabinet
IO cabinet
Bypass switch (open)
Horizontal position
MBS switch (closed)
Vertical position
Front view
Figure 6-9: Maintenance Bypass Mode