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Installation 2-7
Connecting the UPS to Utility Power
Connect the UPS to a grounded utility power outlet.
WARNING: To reduce the risk of electric shock or damage to the equipment,
take these precautions:
■ Plug the input line cord into a grounded (earthed) electrical outlet that is
installed near the equipment and is easily accessible.
■ Do not disable the grounding plug on the input line cord. The grounding
plug is an important safety feature.
■ Do not use extension cords.
Connecting Devices to the UPS
Before connecting load equipment, verify that the UPS will not be overloaded
by the total VA rating of the devices. The load must not exceed the VA rating
of the UPS.
Volts x Amps = VA per device
If the devices list the power in Watts, use the following conversion equation:
Watts x 1.35 = VA
VA/1000 = KVA
After verifying that the UPS will not be overloaded by the cumulative VA
rating of all load equipment, connect the power cords from the devices to the
appropriate output receptacles on the UPS.
WARNING: To reduce the risk of electric shock, the combined earth conductor
leakage current from all connected devices must not exceed 3.5 mA.
CAUTION: Do not plug laser printers into the UPS. The instantaneous current
drawn by this type of printer may overload the UPS.
Powering up the UPS
When the unit is plugged in for the first time, the UPS automatically initiates a
self-test. The front panel LED display lights will go on and off during the
self-test. If the self-test is completed successfully, the UPS enters Standby
mode.
NOTE: The self-test initiates when the UPS is plugged in for the first time. Afterward,
when the UPS is disconnected from utility power, the unit will come back up in the mode
it was in when utility power was lost.