VARIO sol-nova 2.0

Dual-circuit solar stations with controller for solar systems up to 110 m²

Compact design for space-saving installation
Generously dimensioned counterflow plate heat exchanger for maximum transfer capacity with minimum temperature rise
For collector areas from 20 to 110 m²
Extensive measured values and digital interfaces

Areas of application

Our VARIO sol-nova 2.0 product family offers compact 2-circuit solar transfer stations for solar thermal systems. The compact hydraulic assemblies integrate the self-sufficient controller, generously dimensioned plate heat exchangers and the speed-controlled high-efficiency pumps for the primary (solar) and secondary (buffer) circuits. The actuators and sensors are largely pre-wired and connected to the controller. Depending on the flow operating mode, the different types allow collector areas of 20 to at least 110 m². If the solar circuit is designed professionally, significantly larger areas can be realized.

Compact design

Space-saving installation and easy access for maintenance

Intelligent networking

Extended software allows the memory sensor data to be read in via Modbus

Model variety

Three sizes S, M and L for solar collector areas up to approx. 110 m²

Structure

Solar heat can be integrated particularly efficiently into heating systems via 2-circuit solar stations because it has a target temperature. However, many heating controllers do not have the necessary control function. Here the
Station VARIO sol-nova as a stand-alone device with integrated controller.

Functions

Combined delta T and target temperature control in the solar and buffer circuit
Forward switching
Collector minimum temperature
Test start function
Energy and operating hours meter
Automatic summer/winter time changeover
Storage tank maximum temperature limit
Collector cooling function
Pump protection function
Emergency operation in the event of a sensor fault
Solar-side pressure, glycol and air bubble monitoring

Application

The actuators and sensors are largely pre-wired and connected to the controller. Depending on the flow operating mode, the different types allow collector areas of 20 to at least 110 m². If the solar circuit is designed professionally, significantly larger areas can be realized.