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Operation (continued)
TheUPSwillthenbeginacountdown.IftheUPSisstilloverloadedattheendofthecountdown,theUPSwillautomaticallygotoBYPASS
MODEtoprotectitsinverter.Thedurationofthecountdownvarieswiththeseverityoftheoverload,asfollows:
Overload Condition Countdown Duration
102% - 125% 1 minute
125% - 150% 30 seconds
> 150% Immediate Bypass
Bypass Messages
WhileinBYPASSMODE,theUPSmonitorsitsinputvoltageandpassesthatinputpoweralongtoconnectedequipment.TheUPSwillnot
providebatterybackupinBYPASSMODE.Iftheoutputvoltagedeviatesfrom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.
Bypass Voltage Conditions
L1 > 15% Higher
Than Nominal Voltage
L2 > 15% Higher
Than Nominal Voltage
L1 > 20% Lower
Than Nominal Voltage
L2 > 20% Lower
Than Nominal Voltage
L1 Voltage Was Too High,
Now Returned to Nominal Voltage
L2 Voltage Was Too High,
Now Returned to Nominal Voltage
L1 Voltage Was Too Low,
Now Returned to Nominal Voltage
L2 Voltage Was Too Low,
Now Returned to Nominal Voltage
BYPASS AC1 HIGH
LOAD1 = XXX% X.XKW
LCD Screen Messages
BYPASS AC2 HIGH
LOAD1 = XXX% X.XKW
BYPASS AC1 LOW
LOAD1 = XXX% X.XKW
BYPASS AC2 LOW
LOAD1 = XXX% X.XKW
BYPASS AC1 WAS HI
LOAD1 = XXX% X.XKW
BYPASS AC2 WAS HI
LOAD1 = XXX% X.XKW
BYPASS AC1 WAS LO
LOAD1 = XXX% X.XKW
BYPASS AC2 WAS LO
LOAD1 = XXX% X.XKW
OVERLOAD!
LOAD1 = XXX% X.XKW
OVERLOAD!
LOAD2 = XXX% X.XKW
Overload Messages
WhentheUPSdetectsanoutputoverload,itsLCDwillswitchtothefollowingdisplay:
201102170 932611.indd 14 3/30/2011 10:22:17 AM