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ATON - Power to Heat

Stufenlos regelbarer Heizstab (50 W - 3 kW)
Stufenlos regelbarer Heizstab (50 W - 3 kW)
ATON Energiezähler
ATON Energiezähler

ATON - Power to Heat

Icon Energy management, Power-to-Heat

ATON is a plug & play solution for using surplus PV energy – without additional wiring. It consists of an energy meter and an immersion heater, which can be variably controlled from 50 W to 3 kW, for installation in a buffer cylinder. Through CORA, the energy meter specifies the output the immersion heater can consume. The immersion heater sends all measurements (high limit safety cut-out, internal temperature and the values of the two external sensors) back to the energy meter via radio or cable connection.


  • Paired and programmed on production for minimal installation effort
  • Freely programmable for individual requirements
  • Energy meter and immersion heater are connected ex works
  • Up to 12 immersion heaters per energy meter
  • Wireless range ~1 km free space / 2 reinforced concrete ceilings or walls


  • Optimisation of on-site consumption rate
  • Central heating backup
  • Domestic hot water heating outside the heating season
  • DL bus for controlling power controllers for enhanced energy management
  • Remote access, datalogging and visualisation via C.M.I.

The immersion heaters are Teflon coated from now on (ATON serial number EZ3-003450, from 10th of may). This allows installation in enameled DHW cylinders (we do not recommend usage in stainless steel cylinders).

Icon x2techIcon CORA-FIcon CORA-DLIcon DL-masterIcon Interfaces

Scope of delivery:

  • Immersion heater EHS-R 3kW (screw thread 1 1/2")
  • DHW tank sensor BFPT1000
  • energy meter CAN-EZ3A
  • 3 current sensors (50 A, the CAN-EZ3 can measure 3x 10 kVA)
  • external radio antenna


  • DL bus
  • CAN bus
  • Micro SD card
  • CORA-F (wireless)
  • CORA-DL (wired)

Interfaces (EHS-R):

  • CORA-F (wireless)
  • CORA-DL (wired)

The immersion heater received approval for drinking water installations, and starting with serial no. EZ3-003450 (10th of May 2021), it is suitable for installation in enameled DHW cylinders, thanks to the new Teflon coating. We do not recommend the usage in stainless steel cylinders. Up until that serial number, our immersion heaters have only limited suitability for installation in DHW cylinders due to the galvanic reactions. Please refer to the manual in such cases.

CAN-EZ3 Firmware

EHS / EHS-R Firmware


The CAD software TAPPS2 allows creating configurations graphically for all x2 devices and the UVR1611.


The program TA-Designer enables the programming of the CAN-Touch and the easy creation of an online schema for the C.M.I. and the BL- NET.


Winsol enables the recording and evaluation of the data recorded by the data logger (C.M.I., BL-NET or D-LOGG).


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