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Solar controller DeltaSol® AL E HE

Solar controller DeltaSol® AL E HE
Solar controller DeltaSol® AL E HE
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The DeltaSol® AL E HE controller
The DeltaSol® AL E HE controller is especially designed for standard solar systems with a high-efficiency pump and an electric backup heating. It is equipped with a PWM output and two high-current relays to which an electric immersion heater of up to 3 kW (230 V~) can be connected. The heater can be directly connected to the controller without the need of auxiliary relays. For data communication, the controller has a RESOL VBus®.
  • - Direct connection of an electric immersion heater up to 3 kW (230 V~)
  • - DHW heating with rapid heat-up and thermal disinfection
  • - Time and temperature control of the electric backup heating
  • - Solar backup heating suppression
  • - Heat quantity measurement via VFD Grundfos Direct Sensor™
  • - PWM output for the speed control of a high-efficiency pump
  • - Quick access to the holiday and the manual modes
  • - Status display for a bidirectional HE pump
  • - Drainback option and tube collector function
  • - Commissioning menu
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