Service manual

Installation ProceduresEnsure that All Power is Off
24 InfraStruXure System – Service Manual – Installation and Start-Up 990-1467C
3. Set the Main Input (A) and Bypass Input (B) switches and the Cross Tie Input (X) circuit breaker
(if applicable) on the PDU to the OFF position.
4. Open (turn OFF) the Q1, Q2, and Q3 circuit breakers on the PDU.
5. Set each upstream utility circuit breaker that will feed the PDU to OFF.