Solar Control Module (SM1)

£524.40
£340.86 inc VAT
Back Order

Solar control module, type SM1

  • Function extension inside enclosure for wall mounting.
  • Electronic temperature differential control for dual mode DHW heating and central heating backup with solar collectors in conjunction with oil/gas boilers.
  • With output statement and diagnostic system.
  • Control and display via the boiler control unit.
  • Heating of two consumers via a collector array.
  • Second temperature differential controller.
  • Thermostat function for reheating or utilising excess heat.
  • Solar circuit pump speed control via pulse pack control or solar circuit pump with PWM input (Grundfos).
  • Suppression of DHW cylinder reheating by the boiler, subject to the solar yield.
  • Suppression of reheating for central heating by the boiler with central heating backup.
  • Heat-up of the solar preheating stage (with DHW cylinders from 400 litre capacity).
  • Order immersion temperature sensor, part no. 7438702, if the following functions are required:
  • For DHW circulation diversion in systems with 2 DHW cylinders.
  • For return changeover between the boiler and the heating water buffer cylinder.
  • For heating additional consumers.

We have placed cookies on your device to help make this website better.