Electronic Thermostats

Electric Room Thermostats-RAA… Series

Electric Room Thermostats-RAA… Series

  • Two-point control algorithm for on/off control

  • 24 to120, 277 Vac line

  • Two mounting styles: electrical wall box or dry wall

  • Dual Fahrenheit/Celsius scale (RAA20U)


Electric Fan Coil Thermostats-RAB… Series

Electric Fan Coil Thermostats-RAB… Series

  • Fan Speed Switch (RAB90.1U) for remote switching location (24 to 120, 277 Vac)

  • Two-point control algorithm for on/off control

  • Line voltage 2-pipe or 4-pipe fan coil applications

  • 3-speed fan control

  • Fan on only for ventilation

  • Manual or external changeover

  • Two mounting styles:  electrical wall box or drywall

  • Adjustable upper/lower limit stops

  • Dual Fahrenheit/Celsius scale


Room Temperature Controllers for Two-pipe Fan Coil Unit (RCC10U)

Room Temperature Controllers for Two-pipe Fan Coil Unit (RCC10U)

  • Output for on/off valve actuator

  • Output for three-speed fan

  • Dual setpoint temperature scale

  • Control depending on the room or return air temperature

  • Automatic Heating/Cooling changeover

  • Operating modes:  Normal, Energy Saving, Frost Protection and Off

  • Operating mode changeover input for remote control

  • Selectable control parameters


Free Energy Band™ Room Temperature Controller for Four-pipe Fan Coil Units (RCC30U

  • Outputs for on/off valve actuators

  • Outputs for three-speed fan

  • Dual setpoint temperature scale

  • Control depending on the room or return air temperature (remote sensing)

  • Automatic Heating/Cooling changeover

  • Operating modes: Normal, Energy Saving, Freeze Protection and Off

  • Operating mode changeover input for remote control

  • Selectable control parameters

  • Free Energy Band between Heating and Cooling for energy conservation


Room Temperature Controllers for CAV Systems (RCU15U/RCU50U/RCU50.2U)

Room Temperature Controllers for CAV Systems (RCU15U/RCU50U/RCU50.2U)

  • 0 to 10Vdc output for heating or cooling (RCU50U and RCU50.2U)

  • ON/OFF or PWM outputs for heating and cooling (RCU15U)

  • Control depending on room or return air temperature (RCU15U)

  • Automatic heating/cooling changeover (RCU15U and RCU50U)

  • Manual heating/cooling changeover (RCU50.2U)

  • Operating modes: Normal, Energy Saving, Freeze Protection and Standby (RCU15U and RCU50U)

  • Operating modes: Normal and OFF (RCU50.2U)

  • Active 0 to10Vdc input for setpoint shifting (RCU50U)

  • Operating mode changeover input for remote control (RCU50U)

  • Adjustable minimum limitation for cooling output (RCU50U)

  • Operating voltage 24 Vac


Room Temperature Controllers for CAV and VAV Systems (RCU61U)

  • Modulating P-control

  • 0 to 10 Vdc output for cooling

  • Floating output 24 Vac for heating

  • Operating modes: Normal, energy saving and standby

  • Active 0 to10 Vdc input for remote setpoint shifting

  • Operating mode changeover input for remote control

  • Adjustable minimum limitation for cooling output

  • Operating voltage 24 Vac

  • Ergonomic design

  • Dual Fahrenheit/Celsius scale


Room Temperature Controller with Two 0 to 10 Vdc Outputs (RLA162.5U)

Room Temperature Controller with Two 0 to 10 Vdc Outputs (RLA162.5U)

  • Automatic heat/cool changeover

  • Automatic day/night setpoint changeover via external contact

  • Room temperature control through modulating control of valve or damper actuators with selectable operating action of control signals for heating only, cooling only, or heating and cooling in sequence

  • Relay input for fan, pump or other controls

  • Minimum limitation of the supply air temperature

  • Outputs are independently selectable directacting (DA) or reverse acting (RA)

  • Adjustable proportional band


Room Temperature Controllers with LCD for Heating and Cooling Systems (RDU20U/RDU50U/RDU50.2U)

Room Temperature Controllers with LCD for Heating and Cooling Systems (RDU20U/RDU50U/RDU50.2U)

  • Liquid Crystal Display(LCD)

  • Modulating Proportional+Integral (P+I) control

  • Control depending on room or remote air temperature

  • Output for a 0 to10 Vdc actuator (RDU50U and RDU50.2U)

  • Output for a floating (floating) or on/off output actuator (RDU20U)

  • Adjustable actuator runtime (RDU20U)

  • Automatic heating/cooling changeover (RDU20U and RDU50U)

  • Manual heating/cooling changeover (RDU50.2U)

  • Operating modes: Normal, Energy Savingand Off (RDU20U and RDU50U)

  • Operating mode changeover input for day/night remote control

  • Selectable installation and control parameters

  • Adjustable minimum limitation for cooling output (RDU50U)

  • Optional selectable Direct Acting or Reverse Acting output (RDU50U and RDU50.2U)

  • Selectable display of room temperature or setpoint

  • Fahrenheit or Celsius selectable display

  • Minimum and maximum setpoint limitation

  • Operating voltage, 24Vac


Room Temperature Controller with LCD (RDX42.22U)

Room Temperature Controller with LCD (RDX42.22U)

  • Outputs for one-stage compressor and reversing valve or on/off valve actuators

  • Output for auxiliary electric heating

  • Output for a one-speed fan

  • Room or return air temperature control

  • Manual heating/cooling changeover

  • Operating modes: Normal (heating, cooling), EnergySaving, Off

  • Operating mode changeover input for remote control

  • Selectable installation and control parameters

  • Operating voltage, 24Vac

  • Liquid Crystal Display(LCD)


Room Temperature Controllers with LCD for Two-Pipe Fan Coil Units

Room Temperature Controllers with LCD for Two-Pipe Fan Coil Units

RDF10U
 ■ Output for an on/off valve actuator

RDF20U
 ■ Output for an on/off valve actuator and an electric heater

RDF50.1U
 ■ Modulating PI control
 ■ Output for a 0 to 10 Vdc valve actuator

RDF60.1U
 ■ Modulating PI control
 ■ Output for a floating valve actuator

ALL MODELS
 ■ Outputs for a three-speed fan
 ■ Control depending on the room or the return air temperature
 ■ Automatic heating/cooling changeover
 ■ Continuous heating or cooling mode
 ■ Operating modes: Normal, Economy and Standby
 ■ Operating mode changeover input for remote control (Day/Night)
 ■ Air movement control function for avoiding damage resulting from moisture
 ■ Selectable installation and control parameters
 ■ Display of room temperature or setpoint (selectable)
 ■ Electronic minimum and maximum setpoint limits
 ■ Operating voltage 24Vac

Miscellaneous Electric Thermostats

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