Tripp Lite SU100KX2 Owner's Manual for SU120KX2 3-Phase UPS 933141 - Page 21

8 - Start-Up, Shutdown and Bypass (continued) 1 8-3 Standard Start-Up Procedure (Single UPS-SUS) •1 With the external battery cabinet connected, switch on the circuit breaker of the external battery cabinet. 2 3 1 4 •2 Confirm that the manual bypass circuit breaker switch Q3 is off. 5 Q3 Output Manual Bypass Bypass Input Main Input 6 2 •3 Switch on the bypass input breaker switch Q2 and then output circuit breaker switch Q4 . After a brief initialization process, the LCD screen will show "ON AUTO BYPASS", the "BYPASS" LED will illuminate and UPS system output will be supplied by Q4 Q2 7 the input power source via the bypass path. Output Manual Bypass Main 3 Bypass Input Input 8 •4 Switch on the main input circuit breaker switch Q1 . If the AC input power source is normal, the UPS system is ready for start-up. Note: In addition to the external battery cabinet breaker being turned on, the normal on-line running status of the four (4) circuit breakers is: Q1 , Q2 and Q4 On (closed); Q3 Off (open). This is shown in the diagram 4 to the right. Q1 9 Output Manual Bypass Main 4 Bypass Input Input 10 •5 Press the ON button A for 3 seconds (until you hear a beep), then release the button. The inverter will activate and synchronize with the bypass source, then automatically switch from auto bypass C mode to online (normal) mode. The "BYPASS" LED B will turn off and the "NORMAL" LED C will illuminate. B A 11 5 12 13 12-212-93-3141.indb 21 14 21 12/28/2012 11:17:31 AM