Brochure

Thermostats & Hygrostats
features
A-61
www.sbt.siemens.com/hvp/components
Description
Applications
The RDU Series Room Controller with LCD is designed for
heating and cooling systems.
The RDU... Series of Room Temperature Controllers are
used for control of the following:
• Individual room temperature HVAC applications that are
heated or cooled.
• 0 to 10 Vdc valves or damper actuators.
Room Temperature Controllers
with LCD for Heating and
Cooling Systems
RDU...
• Modulating Proportional + Integral (P+I)
control
• Control depending on room or remote air
temperature
• Output for a 0 to 10 Vdc actuator
• Automatic heating/cooling changeover
(RDU50U)
• Manual heating/cooling changeover
(RDU50.2U)
• Operating modes: Normal, Energy Saving
and Off
• Operating mode changeover input for
remote control
• Selectable installation and control
parameters
• Adjustable minimum limitation for cooling
output
• Optional selectable Direct Acting or
Reverse Acting output
• Selectable display of room temperature or
set point
• Fahrenheit or Celsius selectable
• Minimum and maximum set point limitation
• Operating voltage 24 Vac
• Available with or without logo
RDU50.2U Room
Temperature Controller.
RDU50U Room Temperature
Controller.
New!