APC Automatic Disconnect Switch Uživatelský manuál stáhnout pdf (Strana 18)

3-2

LCD, Push Buttons and LED Indicators

The alphanumeric liquid crystal display (LCD), push buttons, and LED indicators are located on

the top half of the front panel. They are shown in Figure 3-1, and described in the table below.

Figure 3-1. UTS Controls and Indicators

UTS Controls and Indicators Summary

Control or Indicator Description

LCD alphanumeric display The green liquid crystal display (LCD) is a 2-line display with 20 characters

per line that is used to show UTS status, and any important warnings or

informational messages. During configuration and setup, the LCD also

displays the value or setting that is being entered and/or changed.

System Status button This button is used to cycle the UTS through the various system options or

settings, which are displayed on the LCD.

System Setup button This button is used to configure or change the UTS system settings.

Circuit Status button This button is used to cycle the UTS through the various circuit options or

settings, which are displayed on the LCD.

Circuit Setup button This button is used to configure or change individual UTS circuit settings.

Down/Up Arrow buttons The Down and Up arrow buttons are used to step through the various options

during configuration and setup, and to scroll between the various status and

informational displays.

Source Indicators (Green) The three green LED indicators on the front panel under Source show the

status of the power sources, which include: Utility, Generator, and UPS.

When one of these LEDs is ON (lit) it indicates that particular power source

is normal and available.

When a LED is OFF (not lit) it indicates that the source is not available to

supply power to any of the loads on the circuit.

When a LED is flashing it indicates that a fault or abnormal condition exists

that should be corrected.

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APC Automatic Disconnect Switch Uživatelský manuál Strana 18