Din rail solar controller Elios Din

Digital differential solar thermal controller-Elios Din for solar heating plants: it compares temperatures of fluids in the collectors and the storage tanks and, when the difference is greater than DeltaT, starts the heat exchange through the pump. 3 temperature inputs (1 Pt1000 and 2 NTC sensors), 2 on-off relay SPST outputs, 1 alarm relay output SPDT. Additional thermostats for driving auxiliary heat sources. LED display show the value of all temperatures. 
Configuration of 5 different system layouts. Offset correction for the measured temperatures. Adjustable antifrost.

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Technical features
  • Power supply 230V ~ ±10% 50Hz
  • Power absorption 1,5VA
  • Inputs 1x PT 1000 classeB/2 x NTC 10K Ohm @ 25°C
  • Sensor operating range Pt 1000: -50 .. 200°C / NTC -50 .. 110°C
  • Temperature reading range Pt 1000: -40 .. 200°C / NTC 0 .. 120°C
  • Accuracy ±1°C
  • Resolution 0,1°C
  • Offset adjustment S1, S2, S3: ±5°C
  • Contacts rating 2 x 3(1)A max @ 250V~ (SPST) voltage free
  • Protection grade IP40
  • Operating temperature range 0°C .. 40°C
  • Storage temperature range -10°C .. +50°C
  • Humidity limits 20% .. 80% non-condensing
  • Case ABS VO self-extinguishing, RAL 9003
  • Dimensions H90 W52,5 D73mm
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