RWD62U Controller
Installation and
Commissioning Guide
Document No. 129-410
October 1, 2004
Item Number 129-410, Rev. 010
Function
The RWD62U is a three-input, two-output device used to control temperature, humidity,
air pressure, fluid pressure, air/fluid velocity, and air quality in commercial and industrial
facilities.
Application
The RWD62U is used for comfort control in HVAC systems. Two analog outputs with
0 to 10 Vdc voltage are provided for either two-stage heating or cooling, or heating and
cooling. The main analog input (X1) can be set as °F, °C, % or none specified (-----).
The default is °F.
The second analog input (X2) can be used for the following applications:
• PI Limiter function (absolute and relative limit)
• Remote setpoint function
• Setpoint compensation
• Winter/summer mode changeover (analog or digital input) (reversal of
heating/cooling output)
•
Cascade control function
• Maximum priority for cooling/dehumidifying
A separate digital input is provided for day/night mode changeover.
The RWD62U controller is intended for either DIN rail mounting in a switchboard or
screw mounting with a protective enclosure.
Desired output configuration and auxiliary function must be entered for initial set-up.
See Service (PS) Mode Screen Sequence.
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