Tripp Lite SU40KX Owner's Manual for 3-Phase UPS 932688 - Page 20

7 - Wiring (continued) 1 7-7 AC Input/Output Wiring (Single UPS) •1 After de-energizing all input and output (AC and DC) of the UPS 2 system, remove the terminal block cover from the UPS system. +- 3 4 •2 5 If you did not connect the ground cable in Section 7-6, connect the UPS system's grounding terminal A to your facility's earth ground B with a 4 AWG (5.189 mm) ground cable. Keep the ground cable connected at all times after installation. 1 B 6 2 • 3 7 Remove the UPS system's front bezel to expose the circuit breakers. First, confirm that the main input circuit breaker switch Q1 and the bypass input circuit breaker switch Q2 are both off. Second, confirm that the manual bypass circuit breaker switch Q3 is off. Third, confirm that the output circuit breaker switch Q4 is off. 8 3 • 4 9 10 Confirm the phase of each cable, then connect the cables according to the UPS system terminal block diagram in Section 7-3. See Section 7-5 for cable size requirements. Cabling should be protected by flexible conduit and routed through the appropriate knockouts in the terminal block cover. Warning: Observe proper phase rotation by connecting R to R, S to S, T to T and N to N. Failure to observe proper phase will damage the UPS system and create a risk of personal injury and property damage. A Q4 Q3 Q2 Q1 R ST N R ST N R S T N 4 11 •5 Replace the UPS system's terminal block cover. +- 12 13 5 14 20