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