Comet 40-150kVA
Graphical User | This display provides specific information concerning normal UPS operation as |
Interface Display | well as faults. |
Emergency Power Off | This red Emergency Power Off (EPO) pushbutton is used to stop the unit during |
| an emergency situation only. All power is removed from the load. |
Load not protected LED | This red LED turns on when any of these conditions occur: |
| ◗ Direct supply of power to the load by AC input power via the "Static Switch" |
| because of Inverter shutdown (voluntary or following an overload or an |
| internal fault). |
| ◗ Battery power is not available. Battery circuit breaker is in the "OFF" position |
| or battery not connected. |
Fault LED | This yellow LED indicates an operating fault or an environmental fault. However, |
| the load continues to be supplied by the Inverter. |
Battery Status LED | This yellow LED indicates: |
| ◗ Inverter operation on battery power following an AC input failure or detection |
| of an AC input voltage outside of tolerances. |
| ◗ It flashes to indicate that the low battery shutdown warning level has been |
| reached. |
| ◗ If the LED flashes when the system is not on battery power, battery |
| conditions should be checked. |
Load protected LED | This green LED indicates that the Comet is operating normally. The load is |
| protected and supplied via the Inverter output. Bypass Switch SR1 must be in the |
| "NORMAL" position. |
Inverter on | This green pushbutton is used to start the inverter. |
Inverter off | This gray pushbutton is used to stop the inverter. |
Fault Reset | This key clears the faults stored in memory. Clearing of alarms in memory is |
| accepted only after the alarm conditions themselves have been corrected. |
Security Key | This key enables forced operation. The security key must be held down while the |
| desired function is executed. Refer to the Forced Transfer section. |
Buzzer Reset | This key allows the user to silence the buzzer after a particular alarm. However, |
| the buzzer will sound if another alarm occurs. |
3 | Operation |
