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6 – Wiring
6-7 AC Input/Output Wiring (Single UPS)
•
After de-energizing all input and output (AC and DC) of the UPS
1
system, remove the terminal block cover from the UPS system.
•
If you did not connect the ground cable in
2
UPS system's grounding terminal
with a 4 AWG (5.189 mm) ground cable. Keep the ground cable
B
connected at all times after installation.
•
Remove the UPS system's front bezel to expose the circuit breaker.
3
First, confirm that the main input circuit breaker switch
the bypass input circuit breaker switch
confirm that the manual bypass circuit breaker switch
Third, confirm that the output circuit breaker switch
•
Confirm the phase of each cable, then connect the cables according
4
to the UPS system terminal block diagram in
Section 6-5
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
create a risk of personal injury and property damage.
•
Replace the UPS system's terminal block cover.
5
200803004 93-2793 SU80k manual 4C.indd E15
200803004 93-2793 SU80k manual 4C.indd E15
(continued)
Section
6-6, connect the
to your facility's earth ground
A
are both off. Second,
B
D
Section
1
B
2
and
A
C
is off.
O
is off.
OFF
Main
Input
A
Front Panel
3
6-3. See
4
5
15
A
O
O
OFF
OFF
B
C
Back Panel
1
2
3
4
5
6
7
O
OFF
8
D
9
10
11
12
13
6/16/2008 1:43:19 PM
6/16/2008 1:43:19 PM
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