Filter
Top Products
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.
Comet 40-150kVA
Operation3 —4 86-160310-00 E00