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Operation (Special Conditions)
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.
Overload Condition LCD Display Message Countdown to Shutdown
102% - 125% Overload 102% 1 minute
Load=XXX% X.XXKW
125% - 150% Overload 125% 30 seconds
Load=XXX% X.XXKW
>150% Overload 150% 2 seconds
Load=XXX% X.XXKW
Bypass Voltage Condition LCD Display Message
>15% Higher than Nominal BYPASS AC TOO HI
>20% Lower than Nominal BYPASS AC TOO LO
Was Too High, Now Nominal BYPASS AC WAS HI
Was Too Low, Now Nominal BYPASS AC WAS LO
ON BYPASS
LOAD = XXX% X.XXKW
ON BYPASS
BYPS = XXXV XX.XHz
PRESS SELECT KEY
ON BYPASS
OUT = XXXV XX.XHz
PRESS SELECT KEY
PRESS SELECT KEY
ECONOMIC MODE
LOAD = XXX% X.XXKW
ECONOMIC MODE
IN = XXXV XX.XHz
ECONOMIC MODE
OUT = XXXV XX.XHz
ECONOMIC MODE
BATT = XXXV XXX%
PRESS SELECT KEY
PRESS SELECT KEY
PRESS SELECT KEY
PRESS SELECT KEY
ON INVERTER
LOAD = XXX% X.XXKW
ON INVERTER
IN = XXXV XX.XHz
ON INVERTER
OUT = XXXV XX.XHz
PRESS SELECT KEY
ON INVERTER
BATT = XXXV XXX%
PRESS SELECT KEY
PRESS SELECT KEY
PRESS SELECT KEY
ON BATTERY
LOAD = XXX% X.XXKW
ON BATTERY
IN = XXXV XX.XHz
ON BATTERY
OUT = XXXV XX.XHz
ON BATTERY
BATT = XXXV XXX%
PRESS SELECT KEY
PRESS SELECT KEY
PRESS SELECT KEY
PRESS SELECT KEY
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
ECONOMY MODE
LOAD=XXX% X.XXKW
ECONOMY MODE
BATT=XXXV XXX%
ECONOMY MODE
IN=XXXV XX.XHz
ECONOMY MODE
OUT=XXXV XX.XHz
ON BYPASS
OUT=XXXV XX.XHz
ON BYPASS
BYPS=XXXV XX.XHz
ON BYPASS
LOAD=XXX% X.XXKW
ON BATTERY
BATT=XXXV XXX%
ON BATTERY
OUT=XXXV XX.XHz
ON BATTERY
IN=XXXV XX.XHz
ON BATTERY
LOAD=XXX% X.XXKW
ON INVERTER
LOAD=XXX% X.XXKW
ON INVERTER
IN=XXXV XX.XHz
ON INVERTER
BATT=XXXV XXX%
ON INVERTER
OUT=XXXV XX.XHz