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5.0 Operation
5.7 Extended capabilities - continued
● On-battery output voltage (220/230/240 Vac versions only) - The UPS’s on-battery
output voltage may be set to a nominal 220, 225, 230 or 240 Vac. The UPS’s default setting
is 225 Vac.
● Utility failure sensitivity - The UPS’s sensitivity to line voltage distortions may be
customized to allow use of the UPS in “noisy” electrical environments or with fuel
powered generators. High, medium and low sensitivity settings may be chosen. The
high setting provides the best protection from all utility voltage vagaries. The medium
setting is selected where rapid low amplitude line voltage fluctuations occur frequently
as the result of motor load switching in air conditioners, elevators, etc. The low setting
is selected when the UPS is operated from an inexpensive fuel powered generator. The
UPS’s utility failure sensitivity default setting is high.
● Low battery warning interval - The UPS’s low battery warning may be customized
to activate at a time 2, 5, 7 or 10 minutes prior to shut down. The UPS’s low battery
warning interval default setting is 2 minutes.
● Audible alarm operation - The UPS’s audible alarm beeps four times every 30
seconds in response to failed utility conditions. The alarm beeps continuously when
low battery conditions are reached. This is the default operation. Audible alarm
operation may be customized such that an indication in response to utility failure is
delayed by 30 seconds, silenced until low battery conditions are reached, or muted
during both utility failure and low battery conditions.
● Minimum battery capacity to restart - The UPS may be customized so that it will not
restart upon restoration of the utility until the battery has been recharged to within 0%,
10%, 25% or 90% of full capacity. This function eliminates unexpectedly short run times
when repetitive utility failures occur. The UPS’s minimum battery capacity to restart
default setting is 0%.
● Shut down, turn off delay - The UPS’s shut down or turn off delay interval may be
customized to 20, 180, 300 or 600 seconds. The UPS’s shut down delay default setting
is 20 seconds. Extension of the shut delay is useful where the time between issuance of
the UPS shut down command, and actual completion of the operating system shut-
down routine is longer than 20 seconds.
● Turn on delay - The UPS’s turn on delay may be customized to 0, 60, 180 or 300
seconds. The UPS’s turn on delay default setting is 0 seconds.