“Large” Temperature Difference Controller for complex systems. For 42 basic systems with additional functions for unused relays, VFS and RPS flow and pressure metering, remote control and data logging via external data logger. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both.





Sorel Connect

Menu Languages


Sensor inputs PT10006
Relay outputs 230V3
Relay output voltage-free
Outputs 0..10V or PWM signal
for speed control of high-efficiency pumps
Number of applications42+
Extension of pre-defined systems
by selectable additional functions
LEDs red/green for display of operating status
Statistics and graphic analysis of data memory
Flow based heat metering via Grundfos direct sensor (VFS / VVX)2
Pressure monitoring via Grundfos direct sensor (RPS)2
Battery-backed Real Time Clock > 24h
Time and Temperature-controlled thermostat function
Legionella function via solar
Legionella protecion via additional heating
Cooling function
Setup wizard
System protection
Collector protection
Storage protection (CP Tmax)
Anti-freeze protection
Start logic for vacuum tube collectors
Control program for self-dumping systems (drain-back)
Function control and error memory with date and time
Menu blocker
Power supply for universal voltage range (100…240VAC) and reduced standby consumption
CAN bus connection for SOREL Connect
Data logging on microSD cardvia data logger
Ethernet connectionvia data logger
Dimensions Height x Width x Depth in mm163 x 110 x 51
Housing colourRAL 9003
Protection ClassIP40
Mounting Hardware, Spare Fuse and User Manual



PC Simulation

Virtual simulators of any SOREL controller are available free of charge for easy product trial, technical trainings or to facilitate your customer support.

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Where to buy

Find your national SOREL contact person or the nearest SOREL retailer