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Use the UPS/STANDBY button to do three things:
Switch your UPS’s Operating Mode: While your UPS is plugged
into a live AC outlet, press the UPS/STANDBY button and hold it
until you hear a beep (about 2 seconds) to toggle between the following
operating modes. Choose your UPS’s operating mode based on the
regional guidelines in Step 3 of the Quick Installation section.
• UPS Mode: ENABLES battery backup. UPS Conditions: While
receiving adequate utility line power, the UPS supplies power to its
AC receptacles and charges its batteries; its “ ” indicator light will
be lit. If the utility line power fails or becomes inadequate, the UPS
will supply inverted AC power to its receptacles if its batteries are
sufficiently charged. Setting Advantages: Provides battery backup
during blackouts or brownouts.
• STANDBY Mode: DISABLES battery backup. UPS Conditions:
While receiving adequate utility line power, the UPS supplies power
to its AC receptacles and charges its batteries; the “ ” indicator
light will be flashing. Setting Advantages: Continues to charge the
battery when power is present while turning OFF the inverter to pre-
vent battery depletion during power outages when equipment is not
in use.
Cold-Start Your UPS: You may “cold start” your UPS and use it as
a stand-alone power source when utility power is not present, providing
that the UPS battery is charged. To “cold start” your UPS, press and
hold the UPS/STANDBY button until you hear a beep (about 2 sec-
onds), then release it. The “ ” indicator light will illuminate and AC
power inverted from stored battery power will be provided at the UPS
receptacles.
Shut Down Your UPS: Press and hold the UPS/STANDBY button
when AC line power is absent (i.e. during a blackout, or when the UPS
is unplugged) to deactivate your UPS.
Use the MUTE/TEST button to do two things:
Silence the UPS On-Battery Alarm: Press and hold this button to
silence the UPS On-Battery alarm, a series of short beeps followed by a
brief pause that is activated when the UPS is providing AC power from
battery. Note: When the battery is nearly depleted, the Low Battery
alarm—a continuous beep that cannot be silenced—will alert you to
immediately shut down connected equipment.
Run a Self-Test: Your UPS performs a self-test whenever it is first
plugged in. To have it run a self-test at another time, leave your connected
equipment on. With your UPS plugged in and in the UPS mode, press
and hold this button until you hear a beep (about 2 seconds) then release it.
Results of a Self-Test: All the LEDs will be lit and the UPS will emit
several short beeps as it momentarily switches to battery to test its
charge and load capacity. The test will last at most 10 seconds. If the
Buttons
Basic Operation
200204142 93-2010 Revised Hospital Grade UPS Owner’s Manual.qxd 4/29/02 11:12 AM Page 6