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SKU Z019336

Viessmann EM-S1 solar module extension - wall mounted - Z019336

Original price £537.00 Ex-VAT
Original price £537.00 Ex-VAT - Original price £537.00 Ex-VAT
Original price £537.00 Ex-VAT
Current price £299.55 Ex-VAT
£299.55 Ex-VAT - £299.55 Ex-VAT
Current price £299.55 Ex-VAT
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Solar module extension.

PlusBus subscriber EM-S1 solar module extension.

The EM-S1 solar module extension is to control heating systems with solar DHW heating, functions.

  • Control and display via the heat generator control unit
  • Switching the solar circuit pump
  • Solar circuit pump speed control via PWM signal
  • Only use solar circuit pumps with PWM input.
  • Suppression of DHW cylinder reheating by the heat generator subject to solar yield
  • Collector safety shutdown
  • Electronic temperature limitation in the DHW cylinder
  • Switching of a transfer pump for the DHW cylinder
  • Interval function
  • Frost protection function

Comprising of:

  • EM-S1 Module Extension
  • Cylinder temperature sensor
  • Collector temperature sensor