PV heating

rosenthal design 
DeltaTherm<sup>®</sup> PV

DeltaTherm® PV

The DeltaTherm® PV immersion heater controller detects excess current, e.g. produced by PV systems, calculates the power available and redirects it to an electric heater. Thus, excess PV current can be directly converted into thermal energy and stored. By means of a Datalogger or the Communication module, the self-generated current can be visualised via the www.VBus.net Internet portal.

Customer examples on www.VBus.net


incl. sensor module, 3 current sensors and 1 Pt1000 sensor (FRP6)
Article no.115 006 53 | Price bracket  B | Price on request
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  • Increase in self-consumption
  • Stepless control of an electric immersion heater
  • Household current priority
  • Suitable for all grid-connected PV systems
  • 0-10 V power control (optional)
  • Internal backup heating with mains current (optional)
  • Smart Remote access (optional)
  • Inverter power limitation (optional)
DeltaTherm® E sensor
Inputs: 3 current inputs for CT, 3 voltage inputs
Power supply: 100 – 240 V~ (50 – 60 Hz)
Supply connection: type Y attachment
Standby: < 1 W
Rated impulse voltage: 2,5 kV
Data interface: VBus®
Functions: energy measuring unit
Housing: plastic, PC (UL 94 V-0)
Mounting: DIN rail in the domestic distribution board
Indication/Display: 2 operating control LEDs
Ingress protection: IP 20 / DIN EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Pollution degree: 2
Dimensions: 71 x 90 x 58 mm

DeltaTherm® PV
Inputs: 2 Pt1000 temperature sensors, 2 digital switching inputs, 0-10 V control input
Outputs: 2 digital switching outputs, variable power control up to 3 kW (electric immersion heater)
Power supply: 100 – 240 V~ (50 – 60 Hz)
Supply connection: type X attachment
Data interface: VBus®
Functions: controlling an electric heater for using excess PV current for heating a store
Housing: sheet metal, powder-coated
Mounting: wall mounting
Indication/Display: text display
Operation: buttons
Ingress protection: IP 0 / DIN EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Dimensions: approx. 226 x 302 x 84 mm

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