APC InRow Specifications download pdf (Page 20)

14 InRow Chilled Water Air Conditioners Technical Specifications 990-4618C-001

Control type

The controller utilizes proportional/integral/derivative (PID) settings, a time-proven precision environmental

control method. This allows for custom tuning of control variables to achieve optimal system response.

Functions

• Supply and Return Air Conditions

• Operational Mode Control

• Data Logging (ACRC301 series)

• Event Logging

• Alarms

• Redundant Group Control

• Fan Speed Adjustment

• Input/Output Module Programming

Logging

The event log keeps a record of all alarms and events. Each event log contains a time/date stamp as well as

operating conditions at the time of occurrence. The controller also displays run time, in hours, for major

components (air filters, fans, power supplies, and condensate pump).

The data log displays measurements about the cooling unit, the power input to the cooling unit, and the

ambient temperature of the cooling unit.

Control

The touch-screen LCD display interface provided on ACRC301S/ACRC301H units is protected by a

configurable password and provides access to information and settings for the unit.

• Supply Temperature Setpoint 15–30.2°C

(59–86.4°F)

• Cool Setpoint 18–35°C

(64.4–95°F)

• Rack Inlet High Temperature Threshold 10–65.6°C (50–150.1°F)

• Entering Chilled Water High Temperature Threshold 1.7–37.8°C (35–100°F)

• Supply Air High Temperature Threshold 10–65.6°C (50–150.1°F)

• Return Air High Temperature Threshold 10–65.6°C (50–150.1°F)

The backlit, four-line by twenty-character display interface provided on the ACRC500/ACRP500 series units

is protected by a configurable password.

• Supply Temperature Setpoint 15–30.2°C (59–86.4°F)

• Rack Inlet Temperature Setpoint 18–32°C (64.4–90°F)

• Rack Inlet High Temperature Alarm 0–100°C (32–212°F)

• CW Inlet High Temperature Alarm 0–37.7°C (32–100°F)

• Air Supply Temperature High Alarm 0–100°C (32–212°F)

• Return Temperature High Alarm 0–100°C (32–212°F)

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APC InRow Specifications Page 20