Tripp Lite SU40KX, SU80KX, SU20KX owner manual AC Input/Output Wiring Single UPS

17 – Wiring (continued)

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.

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4 •2 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

Bwith a 4 AWG (5.189 mm) ground cable. Keep the ground cable connected at all times after installation.

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	•3	Remove the UPS system’s front bezel to expose the circuit
			breakers. First, confirm that the main input circuit breaker switch
7			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					is
							Q4
			off.
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		Confirm the phase of each cable, then connect the cables according
	•4
9			to the UPS system terminal block diagram in Section 7-3. See
			Section 7-5for 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.
10			Failure to observe proper phase will damage the UPS system
			and create a risk of personal injury and property damage.
11		Replace the UPS system’s terminal block cover.
	•5
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1

B

A

2

Q4 Q3 Q2 Q1

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R S T N R S T N	R S T N
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