• On-Off control

  • Two relay outputs for pump and heater control

  • Two NTC probe input for collector and boiler control

  • NTC probe input offset adjustments can be performed

  • Collector frost protection

  • Boiler overheat protection

  • Lower and Upper alarm limit can be adjusted to dependent on set point value

  • CE marked according to European Norms


Environmental Conditions
Ambient/Storage Temperature0...50 ºC / -25...70 ºC
Relative Humidity80% relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C
Protection DegreeAccording to EN 60529 Front panel: IP65, Rear panel: IP20
HeightMax. 2000m
Electrical Characteristics
Supply230V AC +10% -20% 50/60Hz or 12/24V AC/DC ±10%
Power Consumption5VA
External ConnectionsScrew-terminals
Scale-60.0 ... 150.0 °C
Sensitivity0.1 °C (selectable 0.1 ºC or 1 ºC)
Accuracy±1 °C
Time Accuracy±1%
Pump Relay Output250V AC, 8A (resistive load), NO, 1/2HP, 0.37kW 240V AC (inductive load)
Heater Relay Output250V AC,8A (resistive load), NO+NC, 1/2HP, 0.37kW 240V AC (inductive load)
Life ExpectancyMechanical 30.000.000 operations (under no load), Electrical 100.000 operations (8A at 250V AC, resistive load)
Control TypeSingle set-point, pump and heater control
Control AlgorithmOn-Off
HysteresisAdjustable between 1...20.0 °C
Mounting MethodPanel mounting
DimensionsW77xH35xD61 mm
WeightApprox. 190g (after packaging)
Enclosure MaterialSelf extinguishing plastics
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