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ETT Step control

Step controllers are used for step-by-step connection of electric heating coils or refrigeration compressors.

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ETTAdjustable steps

ETT-6 step controllers are used for step-by-step connection of electric heating coils or refrigeration compressors. They are also ideal for staged connection of fans, cooling packs, pumps, compressors and boilers. ETT-6 is particularly suitable for ventilation systems where the supply air temperature is controlled by sectional electric heating coils or several refrigeration compressors. ETT-6 can be connected to an EFS power controller, providing a cost effective and accurate, infinitely variable regulation of very large electric heating coils in the entire output range.

  • Three-point control
  • Extendable for up to 12 relays
  • Proportional control output
  • Can be connected to an EFS power controller
  • Ideal for staged connection of fans, cooling packs, pumps, compressors and boilers

Product Downloads

Product Sheet, ETT-6, English
File type/size:PDF ( 298.27 KB )
Product Sheet, ETT-6, Russian
File type/size:PDF ( 1.42 MB )
Product Sheet, ETT-6, German
File type/size:PDF ( 301.83 KB )
Product Sheet, ETT-6, Danish
File type/size:PDF ( 305.32 KB )
Instructions, ETT-6
File type/size:PDF ( 1.68 MB )
Product Catalogue, HVAC Controls & Drives, 2020
File type/size:PDF ( 2.79 MB )

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