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Crestron CEN-UPS1250 Uninterruptible Power Supply
“OUTLET DELAY2” Screen
OUTLET DELAY2:5SEC
PRESS TO CHANGE
LOWBATWARNING setting – This screen lets you set the unit to sound an alarm
and illuminate the LOW BATT LED on the front panel whenever the battery pack’s
estimated runtime remaining drops to or below the programmed setting (2 to 26
minutes).
“LOWBATWARNING” Screen
LOWBATWARNING:2MIN
PRESS TO CHANGE
BATREPDATE setting – This function allows you to input the exact date a
replacement battery pack is installed in the unit. First, use the up/down arrow buttons
to set the correct month, then press the SETUP button to move the cursor to the day
of the month field. Set the day of the month using the up/down arrow buttons. Press
the SETUP button to move the cursor to the year field. Set the year using the
up/down arrow buttons.
“BATREPDATE” Screen
BATREPDATE:02/19/07
PRESS TO CHANGE
DO QUICK SELFTEST setting – This function lets you manually initiate a selftest
to ensure the battery pack is in good health and that the unit is operating properly.
NOTE: When you advance to this screen, press the up/down arrow buttons to start
the selftest. During the selftest, the same screens that were previously defined in this
manual are displayed. (Refer to “Performing the System Test” on page 22 for
details.)
“DO QUICK SELFTEST” Screen
DO QUICK SELFTEST:NO
PRESS TO CHANGE
DO RUNTIME CAL setting – This function allows you to manually initiate a
runtime calculation test to calibrate internal measurements, which should result in
more accurate runtime estimates. This should be done once every six months or
when the connected load size changes significantly. Once initiated, the unit will
operate on battery power until a low battery condition occurs.
NOTE: Before you initiate RUNTIME CAL, the battery must be at 100% capacity
(fully charged) and the load must be greater than 10% of the rated load.
Operations & Installation Guide – DOC. 6635A Uninterruptible Power Supply: CEN-UPS1250 • 29