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LCD DISPLAY SELECT SWITCH
Momentarily press the "SELECT" switch on the front panel to browse through different
power readings on the LCD Display. The LCD Display will show which one of four
operational modes your UPS is currently in:
Normal, Economy, On-Battery, or Bypass.
Also, as you press the "SELECT" switch, the LCD Display will browse through load. input,
bypass, output and battery conditions.
"NORMAL" MODE OPERATION
"ON-BATTERY" MODE OPERATION
"ECONOMY' MODE OPERATION "ON
BYPASS"
MODE OPERATION
OPERATION ON BYPASS-VOLTAGE OUT OF RANGE
While in Bypass Mode, the
UPS
monitors the input voltage, which on Bypass equals the
output voltage.
If
the output voltage passes out of an acceptable range (between
15%
higher
and
20%
lower than nominal), the UPS displays the condition on its
LCD
and stops
supplying output power to its load. If power levels return to an acceptable level. the UPS
resumes supplying power to the load, and its
LCD
reports that output voltage was too high
or too low at one time, but has returned to nominal.
OPERATION ON OVERLOAD
When the
UPS
detects an output overload, it will commence a countdown (the length of
time depending on the severity of the overload). If the UPS is still overloaded at the end
of the countdown, the UPS will automatically shut down and go into Bypass Mode.
Bypass Voltage Condition
>
15Oh
Higher
than
Nominal
>20% Lower
than
Nominal
Was Too High. Now Nominal
Was Too Low. Now Nominal
LCD
Display Message
BYPASS AC TOO HI
BYPASS AC TOO
M
BYPASS AC WAS HI
BYPASS AC WAS LO
Overload Condition
102%
-
125%
125%
-
150%
>150%
11
LCD
Display Message
Overload 102%
Load=XXXOh
X.XXKW
Overload 125%
Load=XXXOh
XXXKW
Overload 150%
Load=XXXOh
X.XXKW
Countdown to Shutdown
1
minute
30 seconds
2 seconds