W.Tech RAA Series Manual de usuario descargar pdf (Pagina 25)

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.

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W.Tech RAA Series Manual de usuario Pagina 25

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