
20
1
5
8
3
6
10
2
9
4
7
11
12
13
Main
Input
O
OFF
O
OFF
O
OFF
O
OFF
Front Panel
Back Panel
8 – Start-Up, Shutdown and Bypass
8-1 Control Panel and Breaker Diagrams
“NORMAL” LED•
“BATTERY” LED•
“BYPASS” LED•
“FAULT” LED•
LCD Status Screen•
“ESC” (Escape) Button•
Scroll Buttons (• and )
Enter Button (• )
ON Button•
OFF Button•
“EPO” (Emergency Power Off) Button•
Output Circuit Breaker Switch•
Manual Bypass Circuit Breaker Switch•
Bypass Input Circuit Breaker Switch•
Main Input Circuit Breaker Switch•
8-2 Preliminary Checklist (Single UPS)
All circuit breaker switches should be off, including the breaker of the external battery cabinet (if present).•
Confirm that no voltage potential exists between Neutral and Ground.•
Confirm that the input power source matches the rating (voltage, frequency and phase) of the UPS system.•
Note: After start-up, the UPS system will perform a brief self-test and display the results on the LCD screen. After a successful self-test, the UPS
system will provide AC power to the connected equipment load.
8-3 Normal Start-Up Procedure (Single UPS)
If there is an external battery cabinet connected, switch on the •
circuit breaker
A
of the external battery cabinet.
Confirm that the manual bypass circuit breaker switch •
A
is off.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
Control Panel
Circuit Breaker Switches
1
2
1
2
A
E
F
G
K
A
B
C
D
H
I
J
Main
Input
O
OFF
O
OFF
O
OFF
O
OFF
LN M
O
Front Panel
Back Panel
Main
Input
O
OFF
O
OFF
O
OFF
O
OFF
Front Panel
Back Panel
A
200803004 93-2793 SU80k manual 4C.indd E20200803004 93-2793 SU80k manual 4C.indd E20 6/16/2008 1:43:27 PM6/16/2008 1:43:27 PM