990-4618A-001 InRow™ Chilled Water Air Conditioners Technical Specifications 9
Microprocessor Controller
The microprocessor controller user interface allows the unit to be turned on or off and displays the
configuration and condition of the unit.
Microprocessor controller
The microprocessor controller is standard on each system. The controller provides precision control for the
demanding requirements of the following environments:
• Data centers
• Control rooms
• Clean rooms
• Switch rooms
• UPS rooms
The easy-to-use display interface allows the operator to select options from the menu-driven interface to
control and monitor the connected air conditioning system.
Open architecture
The InRow CW protocol is open for integration with all building management systems. Communication
interface on the system can be Modbus RS485 or Ethernet.
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.
Critical Alarm LED
Warning Alarm LED
Check Log LED
Status LED
Liquid Crystal Display (LCD)
Menu Selection scroll keys
Escape key
Enter key
Help key
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