APC ACRD500 Installation Manual download pdf (Page 22)

InRow RD Operation and Maintenance14

Operation

Display Interface

Item Function

1 Critical Alarm LED (red) When lit, a critical alarm condition exists and requires

your immediate attention.

2 Warning Alarm LED (yellow) When lit, a warning alarm condition exists. Failure to

correct this condition could cause a critical alarm.

3 Check Log LED (yellow) When lit, at least one new event has been logged

since the last time the log was checked. Only events

that pertain to the operation of the cooling unit will

activate the LED.

4 Status LED (green) When lit, the cooling unit is receiving electrical

power. When flashing green, the Cooling Unit is

downloading firmware for the controller. This takes

about one minute.

5 Liquid Crystal Display (LCD) View alarms, status data, and context-sensitive help,

and modify configurable items.

6 Up and down arrow keys Select menu items and access information.

7 ESC key Return to previous screen or cancel current operation.

8 Enter key Open menu items and input changes to cooling group

level and cooling unit level settings.

9 Help key Display context-sensitive help. Press the help key for

information about each option on the screen and for

instructions on performing tasks.

ESC

Status

Chec k

Log

Warning

Critical

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APC ACRD500 Installation Manual Page 22