Contents 3
Contents
Component identification............................................................................................................... 5
UPS front panel......................................................................................................................................... 5
UPS front panel controls and LED indicators .................................................................................................. 6
UPS T750 NA/JPN rear panel.................................................................................................................... 7
UPS T750 INTL rear panel.......................................................................................................................... 8
Installation ................................................................................................................................... 9
Precautions............................................................................................................................................... 9
Electrical requirements ............................................................................................................................... 9
Checking the battery recharge date ............................................................................................................. 9
Connecting the batteries........................................................................................................................... 10
Selecting the UPS voltage configuration...................................................................................................... 11
Connecting the host computer ................................................................................................................... 12
Connecting the serial communications port ....................................................................................... 12
Connecting the USB communications port ......................................................................................... 13
Connecting the Network Transient Protectors............................................................................................... 13
Connecting the UPS to utility power ........................................................................................................... 13
Connecting devices to the UPS .................................................................................................................. 14
Charging the UPS batteries....................................................................................................................... 14
Powering up the UPS ............................................................................................................................... 15
UPS operations........................................................................................................................... 16
Initiating a self-test ................................................................................................................................... 16
Silencing an audible alarm....................................................................................................................... 16
Audible alarm conditions................................................................................................................ 16
Powering down the UPS ........................................................................................................................... 16
Power management .................................................................................................................... 18
HP Power Manager features ..................................................................................................................... 18
Maintenance .............................................................................................................................. 19
Updating the UPS firmware ...................................................................................................................... 19
Cleaning battery spills ............................................................................................................................. 19
Troubleshooting .......................................................................................................................... 20
UPS does not start ................................................................................................................................... 20
Audible alarm sounds .............................................................................................................................. 20
UPS operates on battery only .................................................................................................................... 20
UPS frequently switches between utility and battery power............................................................................ 21
UPS does not provide the expected backup time ......................................................................................... 21
UPS emits a slight clicking noise ................................................................................................................ 21
Power LED flashes ................................................................................................................................... 21
Voltage Configuration LED is green ........................................................................................................... 21
Output Load Level LED is red or flashing red ............................................................................................... 22
Battery Charge LED is red......................................................................................................................... 22
Battery Warning LED is amber .................................................................................................................. 22
Site Wiring Fault LED is red ...................................................................................................................... 22
Specifications ............................................................................................................................. 23
UPS physical specifications....................................................................................................................... 23
UPS input specifications ........................................................................................................................... 23
UPS output specifications.......................................................................................................................... 23
