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Solar controllers

From simple to complex solar systems.

The TEM solar controllers combine proven technology with the latest knowledge in energy management. The product range includes simple differential temperature controllers up to controllers for complex solar thermal systems for domestic hot water heating and central heating backup.

The TEM system devices are equipped with eBUS communication. This allows TEM system controllers to be easily integrated. The integrated solar yield calculation communicates to the TEM system controller when and how much solar energy is available. This prevents from unnecessary use of auxiliary heating sources and measurably increases the efficiency of the entire system. Via RC 7020 the system can optionally be operated and monitored via PC/Internet.

Due to the predefined hydraulic variants – the Es 6522 SZ has 52 preprogrammed hydraulic applications – and the generous terminal compartment on all units, installation and set up are relatively simple.

Our solar controllers guarantee an effective and safe operation of a solar system. Whether simple differential temperature control or complex systems including heating control, TEM solar controllers have already proven themselves 1000 times in the market.

Are you interested in our solar controllers? We are glad to help you.

Product brochure TEM solar controller (PDF)

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Solar controllers from TEM


ES 4801

The ES 4801 is specially designed for simple applications and is suitable for wall mounting.

ES48xx TEM
  • User-friendly 4-button operation
  • Control of thermal solar systems
  • Additional free relais output
  • Data sheet ES 4801 (PDF)
ES 5921/ ES 5931

The ES 5921/ES 5931 are universal solar controllers and suitable for wall mounting.

ES5921 TEM
ES 6522

Complex applications and comfortable operation do not have to contradict each other.

ES65xx TEM
  • Backlit graphical display
  • Basic hydraulic variants already pre-programmed
  • Clear operating concept
  • Data sheet ES 6522 (PDF)
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