Page 17SK-90510-Y4_ENENGLISH5. OperationsMBP11Ki / MBP11Ki31:1. Put the UPS in "internal Bypass mode" (refer to the UPS user manual)2. Verify that the UPS is on Bypass mode by checking UPS display panel (refer to the UPS user manual)3. Set the MBP manual Bypass switch to "Bypass" position. The "Bypass mode" red light of the MBP goesOn, indicating that the load is supplied directly by AC source, or Bypass AC source (*)4. Switch the Normal AC source switch and the Bypass AC source switch (*) of the MBP to the "0"position and wait 30 seconds5. UPS stops, the UPS can now be disconnected, as described below:• First lock the Normal AC source switch (4) and the Bypass AC source switch (5) (*) of the MBP to the "0"position (the switch protection frames are able to fit a cable tie or a metallic locker).54• After opening the UPS I/O terminal blocks cover, check if hazardous voltage is no longer present on UPSterminal blocks by using an electrical safety tester.• Disconnect the MBP power power cables, and the MBP detection cable (following UPS versions).• On each MBP power cables just disconnected from the UPS, link the wires together (line and neutralwires linked to ground wire).• Replace the UPSHazardous voltage and lost load risk: do not manipulate the MBP manual Bypass switch without UPSconnected to the MBP power cables(*) only in case of Bypass AC source option connected (MBP11Ki and MBP11Ki31 only).UPS BYPASS