APC ACRC301S User's Guide download pdf (Page 16)

10 InfraStruXure InRow RC—Operation and Maintenance

Control the Environment

The InRow RC utilizes a chilled water coil, a valve to modulate fluid flow through the chilled water

coil, and a set of fans to control airflow through the coil. The control strategies employed depend

upon the deployment strategy of the cooling group.

In an In-Row environment, the InRow RC supplies constant-temperature supply air to the common

cold aisle. The fan speed is modulated to ensure that the desired volume of air reaches the IT

equipment.

In a HACS or RACS environment, the InRow RC neutralizes the heat accumulated in the common

hot aisle and expels it back into the environment after the heat is neutralized while maintaining the

desired temperature gradient across the group.

Setpoints

Path: Main > Set Group Setpoints

A setpoint is the target value that a cooling group will maintain in

the rack. The default setpoints are appropriate for most cooling

applications.

Cool. Set the temperature that the cooling group should maintain

if you have chosen the In-Row rack deployment strategy. The

setpoint must be within 60.8–77.0°F (16.0–25.0°C).

Supply Air. The setpoint must be within 32.0–73.4°F

(0.0–23.0°C).

• For an In-Row rack deployment strategy, the desired

temperature of the common cold aisle.

• For a HACS or RACS deployment strategy, the desired

temperature of the air expelled into the surrounding

environment.

Note

The Supply Air setting is defined by the field service representative when the cooling

group is commissioned.

On/Standby

View Alarms

Clear Alarms

View Event Log

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Clear Event Log

Configure Modbus

Set Date & Time

Set Password

Set Display Units

Configure Display

Configure Network

About InRow RC

Set Identification

Service Intervals

View Run Hours

Configure Unit

Configure Group

Set Group PID

View Group Status

View Unit Status

Set Group Setpoints

Set Unit Thresholds

Cool: 72.3 F

Supply Air: 71.2

Fan Spd: Med High

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APC ACRC301S User's Guide Page 16

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