UPS + Isolation Transformer User Manual
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14
Display Functionality
The location should provide adequate airflow around the UPS. Provide a minimum
3
”
clearance on all sides for proper ventilation.
Applying Power to the UPS
Connect the power cord to a verified grounded 3 wire receptacle. Verify that the Site Wiring
Fault
“
SF
”
is off (120 VAC models only). Once properly connected and initially checked, turn on
the UPS by pressing and holding the front panel On/Off switch for 3 seconds.
Operational Tests
Observe the front panel of the UPS. The following table shows system status
behavior.
System Status
Output
Battery
UPS Front Panel
UPS LED DISPLAY
UNIT STATUS
UPS output on
Battery charge status in 20% increments
UPS in battery operation due to improper incoming AC voltage
Battery fault or battery disconnected
UPS load status in 20% increments
UPS overloaded
Unit in buck operation due to high incoming AC voltage
Unit in boost operation due to low incoming AC voltage
Fault
UPS over temperature
