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Room thermostat, heating/cooling, surface-mounted, 230V AC, 3-stage fan output

KTRRB-117.163

Room thermostat, heating/cooling, surface-mounted, 230V AC, 3-stage fan output

The KTRRB climate controller has been developed especially for air-conditioning systems in 2- or 4-pipe systems with closed when de-energised valves. In this case, the KTRRB is used as a single-room temperature controller with internal sensor or as an external control device with optional remote sensor. The optional external upstream sensor is used for automatic changeover of the controller in heating or cooling mode in 2-pipe operation depending on the inlet temperature; alternatively, this input may be used as a H/C changeover contact. In the event of a sensor failure or short circuit, the heating is controlled with a duty cycle of 30% in order to prevent cooling down or frost damage in the room. Using an internal switch, the existing contact input can be configured as an ECO contact or standby contact. ECO function: When this function is selected, in heating mode the temperature is reduced by 3K and in cooling mode increased by 3K. Standby function: When this function is selected, the controller is switched off (frost protection still active). Surface mounting / wall mounting or using an adapter plate on a flush-mounted socket.
  • Art.-Nr.: MA601400

    Technical data

    Actual temperature displayNo
    Additional heating switchNo
    Ambient temperature, lower value0 °C
    Ambient temperature, upper value40 °C
    AssemblyComplete device
    Bearing temperature, lower value-20 °C
    Bearing temperature, upper value70 °C
    ColourPure white
    Control behaviour2-point
    Control range, lower value5 °C
    Control range, upper value30 °C
    Cooling control functionYes
    Degree of contamination2
    Depth26 mm
    DesignBerlin 3000
    DisplayNo
    ECO function (reduction)Yes
    ECO temperature reductionApprox. 3 K
    Electric connectionScrew terminals
    Electronic controlYes
    Energy efficiency classI
    External settingYes
    Fan switch 3-stageNo
    Heating / cooling switchNo
    Heating control functionYes
    Height110,7 mm
    Housing materialPlastic ABS
    Maximum air humidity (non-condensing)95 % r.H
    Maximum switching currentHeating 5(1)A, cool 5(1)A, fan 3(1)A
    Maximum switching voltage230 V AC, 50 Hz
    Mechanical range reductionYes
    Minimum switching voltage230 V AC / 50 Hz
    Mounting / attachmentSurface mounting
    Neutral zoneApprox. 2 K
    Number of control ranges1
    Number of outputs2
    Number of outputs, cooling1
    Number of outputs, heating1
    Off / fan man / fan auto switchNo
    On / Off switchYes
    Operating voltage230 V AC / 50 Hz
    OperationRotary knob and switches
    Output signalSwitching (230 V AC, 50 Hz)
    Potential free switching contactNo
    Protection classII, following appropriate mounting
    RAL colour number (similar)9010
    Safety and EMCIn accordance with DIN EN 60730
    ScaleDegree Celsius
    SealableNo
    Sensor elementNTC internal, optional NTC external
    Sensor externalNo
    Surface propertiesMatt
    Switch/lamp night-time reductionNo
    Switching difference0.5 K
    Switching difference, can be adjustedNo
    Switching power1150 W heating / cool
    Temperature controller versionClimate controller
    Thermal feedbackNo
    Type of protectionIP30
    Width110 mm
    With explosion protectionNo
    Circuit diagram Circuit diagram

    Downloads

    Instructions

    Datasheet

    PhotoTypeArticlenumberFeaturesKind
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    VOORL-318.009DA490010Terminal strip, H/C changeover via external contact, max. 8 room thermostats and 32 valve actuators, IP20Suitable product
    VOORL-318.053DA490210Terminal strip, H/C changeover via external contact, pump logic, max. 8 room thermostats and 32 valve actuators, IP20Suitable product
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