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“Medium” Temperature Difference Controller for midsize systems. For 25 basic systems with additional functions for unused relays. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both.



Sorel Connect


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Sensor inputs PT1000 4
Relay outputs 230V 2
Relay output voltage-free
Outputs 0..10V or PWM signal
for speed control of high-efficiency pumps
Number of applications 25+
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)
Pressure monitoring via Grundfos direct sensor (RPS)
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 card via data logger
Ethernet connection via data logger
Dimensions Height x Width x Depth in mm 163 x 110 x 51
Housing colour RAL 9003
Protection Class IP40
Mounting Hardware, Spare Fuse and User Manual


Storage transfer
Solid fuel boiler with storage
Solar with pool
Solar with storage
Return flow increase
ZRS 3Zonenventil
3-Way Zone Valves ZRS 134
Data logger
Data logger
PT100 Fuehler
PT1000 Temperature sensors
Immersion sleeves

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.

Request Simu


Where to buy

Find your national SOREL contact person or the nearest SOREL retailer


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