APC ACRD200 Installation Manual download pdf (Page 29)

21InRow RD Fluid Cooled Operation and Maintenance

View Status Readings

The display interface has several options for viewing the status of the cooling unit, the cooling group to

which the cooling unit belongs, and the environment being controlled. The status readings for the

cooling unit are available under the View Unit Status option in the main menu, and status readings for

the cooling group are available under the View Group Status option on the main menu or on the

scrolling status screens.

Scrolling status screens

When the display interface is idle, it scrolls through screens of status information. Press the up or down

arrow key to interrupt the automatic scrolling and view a specific status screen.

Cooling unit status

Path: Main > View Unit Status

The cooling unit status screens contain information specific to this cooling unit.

Op Mode. The cooling unit is in one of the following modes:

• On: The cooling unit is cooling.

• Standby: The cooling unit is receiving power but not enabled for cooling.

• Idle: The cooling unit is not operating in normal mode due to active critical alarms.

For more information, see “Idle On Leak” on page 11.

Cool Outpt. The actual cooling output of the cooling unit.

Cool Demnd. The amount of cooling that the rack currently requires.

Rack Inlet. The temperature of the air entering the rack.

Supply Air. The temperature of the air leaving the cooling unit.

Return Air. The temperature of the air entering the cooling unit.

Fan Speed. The speed of the fans that regulate the air flow through the cooling unit.

Suction Temp. The temperature of the refrigerant in the suction line of the compressor.

Air Flow. The rate of air moved by the cooling unit.

Filter DP. The air filter differential pressure.

Input State. The state of the input contact.

Output State. The state of the output contact.

OHE Input St. The state of the input contact.

OHE Outpt St. The state of the output contact.

Suction. The suction pressure of the compressor.

Discharge. The discharge pressure of the compressor.

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APC ACRD200 Installation Manual Page 29