American Power Conversion PX Power Supply User Manual


 
Maintenance Bypass Operation for Installations with Optional MBP
Symmetra PX 10-40 kW 208 V Operation & Maintenance Guide - 990-4104B 19
2. Set the Symmetra PX UPS DC Disconnect Breaker and System Enable Switch to the ON
position.
3. If applicable, set the XR Battery Enclosure DC Disconnect Breaker to ON.
As soon as the DC Disconnect Breaker and the System Enable Switch are set to the ON
position, the UPS transfers to Static Bypass Operation (with the load supported).
The H2 LED above the Q2 Breaker should then illuminate, indicating that it is safe to
operate the Q2 Breaker.