APC ACRD500 Installation Manual download pdf (Page 33)

25InRow RD Operation and Maintenance

Run hours

The cooling unit records the number of hours each of its components has operated. When a component is

replaced, use the Reset Run Hours option to reset the run hours for the displayed component to zero.

Path: Main > View Run Hours

Components:

• Air Filter

– Reset Run Hours

Note: Replace air filters with APC air filters only.

• Fans

– Fan Number

• Reset Run Hours

• Condensate Pump

– Reset Run Hours

• Compressor

– Reset Run Hours

Thresholds

Set alarms to alert you to threshold violations.

Path: Main > Set Unit Threshlds

When the monitored input violates the unit threshold, an alarm will occur. Set thresholds for the

following sensors:

• Rack Inlet: The temperature of the air entering the rack at the rack inlet sensor.

• Supply Air: The average temperature of the air output from the cooling unit, measured by the

upper and lower supply air temperature sensors.

• Return Air: The temperature of the air entering the cooling unit at the temperature sensor.

Service intervals

Path: Main > Service Intervals

The service interval depends on environmental cleanliness. Each component interval setting has an

alarm. If enabled, the alarm will sound when the component interval has elapsed. The alarm is cleared by

selecting Clear Alarms in the main menu. Set the number of weeks to service the following:

• Air Filter Interval: The default is 18 weeks.

• Compressor Interval: The default is 52 weeks.

• Condensate Pump Interval: The default is 52 weeks.

• Fan Interval: The default is 52 weeks.

Note: The Air Filter interval alarm is enabled by default. The Condensate Pump,

Fan, and Compressor interval alarms are disabled by default.

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APC ACRD500 Installation Manual Page 33