Free Energy Band
RCU61U
Technical Instructions
Document No. 155-328P25
October 6, 2016
Room Temperature Controller
for CAV Systems
Siemens Industry, Inc.
Description
The RCU microprocessor controlled CAV room controller is designed for air only, or air
and water heating and/or cooling systems. Controllers have proportional response.
Features
•
Modulating P-control
•
0 to 10 Vdc output for cooling
•
Three-position output 24 Vac for heating
•
Operating modes: Normal, Energy Saving, Frost Protection, Standby, and Off
•
Active 0 to 10 Vdc input for setpoint shifting
•
Operating mode changeover input for remote control
•
Adjustable minimum limitation for cooling output
•
Deadband between heating and cooling
•
Operating voltage 24 Vac
Application
Individual room temperature control in HVAC installations that are heated or cooled.
Controlling these types of equipment:
•
Valve actuators
•
Air damper actuators
Product Number
RCU61U
With three-position signal for heating, without operating mode selector
