Operation
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3.1.1 Operator Control Panel
The Operator Control Panel enables the operator to perform the following tasks:
• Obtain a quick indication of operational status:
• Is the critical bus OK?
• Is the UPS system OK?
• Is the battery available?
• Is the bypass line availab le?
• Monitor the power flow through the UPS system and monitor all meter readings:
• Is the critical load being supplied power from the UPS system or bypass?
• Are input, battery, and output voltage, frequency, and current readings at nominal levels?
• How much battery time is still available during an outage?
• Is the battery recharging after discharge?
• Execute operational procedures:
• Perform critical bus transfer/retransfer between the UPS and the bypass line.
• Start-up and shutdown the UPS.
• Shutdown the system instantly in the event of an emergency.
• Access status reports and history files:
• Obtain a complete listing of the present status of the UPS including input, output, and bat-
tery voltage, frequency, and current readings, and any alarms that may be present.
• Review a complete history report of all events leading up to and immediately after a fault con-
dition.
• Examine an archive listing of all alarm conditions tha t have occurred over a period of time.
• Make adjustments to programmable parameters (access limited by Security Access function):
• Set the date and the time functions.
• Change the auto-dial phone number and the modem options.
• Select the number of auto-retransfer attempts.
• Make adjustments to the UPS output voltage before performing a manual load transfer.
3.1.2 Navigation Buttons
The Navigation Buttons are located below the Display Screen.
Figure 4 Navigation buttons
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