Start-Up Procedure: InfraStruXure System
50 InfraStruXure System—Installation and Start-Up
3. Set the Main Input (A) and Bypass Input (B) switches and the Cross Tie Output (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 the upstream main (and bypass, if applicable) utility circuit breaker to OFF.