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Storage
For SmartPro Models Only: CAUTION! Your UPS has an internal power source. Its outlets
may still deliver current, even after the UPS is unplugged, until the UPS is completely turned
OFF (deactivated). Before storing your UPS, turn it completely OFF: with the UPS ON and
receiving utility power, press and hold the POWER button for one second (an alarm will beep
once briefly after the interval has passed); then, unplug the UPS from the wall outlet. If you
store your UPS for an extended period of time, recharge the UPS batteries once every three
months: plug the UPS into a wall outlet; allow it to charge for 12 hours; and then unplug it and
place it back in storage. Note: after you plug the UPS in, it will automatically begin charging its
batteries; however, it will not supply power to its outlets (see Quick Installation section). If you
leave your UPS batteries discharged for an extended period of time, they will suffer a permanent
loss of capacity.
For OmniSmart Models Only: All connected equipment should be turned off, then disconnected
from the UPS to avoid battery drain. Unplug your UPS from its AC receptacle. CAUTION:
Your UPS has an internal power source. Its outlets may still deliver current after it is
unplugged, until the UPS is deactivated. To deactivate the UPS, press and hold its
UPS/STANDBY button. Your UPS is now ready for storage. If you plan on storing your UPS
for an extended period of time, fully recharge the UPS batteries once every three months by
plugging the UPS into a live AC outlet and letting the UPS charge for 12 hours. If you leave
your UPS batteries discharged for an extended period of time, they will suffer a permanent loss
of capacity.
Storage & Service
Power Sensitivity Adjustment (Select Models Only): This dial is
normally set fully counterclockwise, which enables the UPS to pro-
tect against waveform distortions in its AC input. When such distor-
tion occurs, the UPS will normally switch to providing PWM sine
wave power from its battery reserves for as long as the
distortion is present. In areas with poor utility power or where the
UPS’s input power comes from a backup generator, chronic waveform
distortion could cause the UPS to switch to battery too frequently,
draining its battery reserves. You may be able to reduce how often your
UPS switches to battery due to waveform distortion by experiment-
ing with different settings for this dial. As the dial is turned clock-
wise, the UPS becomes more tolerant of variations in its input
power’s AC waveform. NOTE: The further the dial is adjusted clock-
wise, the greater the degree of waveform distortion the UPS will
allow to pass to connected equipment. When experimenting with dif-
ferent settings for this dial, operate connected equipment in a safe test
mode so that the effect on the equipment of any waveform distortions
in the UPS’s output can be evaluated without disrupting critical oper-
NORM DELAY
Basic Operation
continued