Description
"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, just according to your needs.
Connections:
• 6 sensor inputs for Pt1000 temperature sensors
• CAN-interface for SOREL Connect
• 3 relays and 2 PWM/0-10V outputs
Accessories:
6 PT1000 temperature sensors, e.g. TT/S2 + TH...
Optionally Grundfos VFS sensor for heat metering
Optionally Grundfos RPS sensor for pressure monitoring
Optionally SOREL global solar radiation sensor (GSR)
Features:
• for 42 basic systems with solar or solid fuel boiler with additional functions for unused relays
• Self-explanatory operation via 4 entry keys
• Multilingual full-text menu with help texts and graphic mode with animations
• High-contrast lighted display with 128x64 dots
• Function check and graphical system analysis with long-term memory for statistics about heat quantity and operating hours
• RTC Real Time Clock with >24h power reserve
• White housing RAL9003, protection class IP40, dimensions H 163mm W 110mm D 51mm
• Mounting hardware, spare fuse and user manual
Technical Features | ![]() |
---|---|
Temperature sensors Pt1000 | 6 |
Relay outputs 230V* | 3 |
Outputs 0..10V or PWM signal for speed control of high-efficiency pumps | 2 |
VFS/RPS sensors | 2 |
Number of applications | 42+ |
LEDs red/green for display of operating status | 1 |
Simple heat metering | Yes |
Flow based heat metering (Grundfos VFS sensor) | Yes |
Pressure monitoring (Grundfos RPS sensor) | Yes |
Time and temperature-controlled thermostat function | Yes |
Battery-backed Real Time Clock | Yes |
Legionella protection via solar | Yes |
Legionella protection via additional heating | Yes |
Cooling function | Yes |
Setup wizard | Yes |
System protection | Yes |
Collector protection | Yes |
Storage protection | Yes |
Anti-freeze programs | Yes |
Recooling | Yes |
Start logic for vacuum tube collectors | Yes |
Control program for self-dumping systems (drain-back) | Yes |
Data storage with statistics and graphic analysis | Yes |
Error memory and analysis with date and time | Yes |
Menu blocker | Yes |
Ethernet connection (via data logger) | Yes |