Ac Input/Output Wiring (Single Ups) - Tripp Lite SmartOnline 3-Phase UPS Systems SU20KX Owner's Manual

7 – Wiring
(continued)
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7-7 AC Input/Output Wiring (Single UPS)

• After de-energizing all input and output (AC and DC) of the UPS
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2
system, remove the terminal block cover from the UPS system.
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4
• If you did not connect the ground cable in
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UPS system's grounding terminal
B with 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
A and the bypass input circuit breaker switch
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Second, confirm that the manual bypass circuit breaker switch
is off. Third, confirm that the output circuit breaker switch
off.
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4
• Confirm the phase of each cable, then connect the cables according
to the UPS system terminal block diagram in
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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 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
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create a risk of personal injury and property damage.
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• 5 Replace the UPS system's terminal block cover.
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200706017 93-2688 SU manual 4C.indd 20 200706017 93-2688 SU manual 4C.indd 20
Section 7-6, connect the
A to your facility's earth ground
B are both off.
C
D is
Section 7-3. See
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+N–
1
B
A
2
D C
3
R S T N R S T N
4
+N–
5
B A
R S T N
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