SUDC Sequence Of Operation SUDC208V42P30M, SUDC208V42P40M SUDC208V42P60M & SUDC208V84P60M The 30M/40M/60M suffix in the distribution center part number indicates an integral 3 breaker maintenance bypass in the bottom of the cabinet. The feature enables makebefore-break isolation of the UPS from the critical load for maintenance of the UPS. The drawing illustrates power flow and sequence of operation of the bypass switch. It is important to follow the procedure correctly to avoid damaging the UPS or dropping the critical load. Out to Panel UPS SW3 Output SW2 1 Put the UPS into bypass by turning off the inverter (press the red button then turn the manual rotary switch to bypass on the back of the UPS) 2 Using the Key, retract SW2 bolt and close SW2 SW1 input Input Panel 3 Using key, retract bolt and open SW3 4 Open SW1 The UPS is now in bypass. To return to normal operation, reverse the process. 1111 West 35th Street, Chicago, IL 60609 USA 773.869.1234 • www.tripplite.com Copyright © 2010 Tripp Lite. All trademarks are the sole property of their respective owners. Wiring The drawing below shows bypass utility input A , UPS isolation input B , and UPS isolation output C termination points. The bypass output D is prewired to the distribution panel, which reduces installation time. Use the attached table as a wiring guideline subject to NEC and local codes. Flexible cable and conduit is recommended for ease of installation. Access panels are located on the side and rear of the bypass enclosure for access to termination points. Front View Side View C D A B Wiring Guidelines Tripp Lite P/N Voltage DP Poles SUDC208V42P 208Y/120V 42 DP Breaker 225A SUDC208V42P30M 208Y/120V 42 225A SUDC208V42P40M 208Y/120V 42 SUDC208V42P60M 208Y/120V 42 SUDC208V84P60M 208Y/120V 84 225A 225A 225A MBP 20 & 30kVA 40kVA 60kVA 60kVA MBP KAIC Rating Cable Size Breaker 10 000 AWG 100A 18 4 AWG 150A 225A 225A 65 65 65 2 AWG 000 AWG 000 AWG Tripp Lite follows a policy of continuous improvement. Product specifications are subject to change without notice. Made in China. 1111 West 35th Street, Chicago, IL 60609 USA 773.869.1234 • www.tripplite.com 201010141 93-3066