SOREL STDC Solar Controller
SOREL controller for solar thermal and heating control applications.
Small Temperature Difference Controller STDC by SOREL for simple solar systems. For 9 solar, storage and solid fuel boiler-systems.
For availability, installation compatibility and correct technical selection, contact Thomas Moudouros Ltd.
Technical table
| Specification | Value |
|---|---|
| Sensor inputs PT1000 | 3 |
| Relay outputs 230V | 1 |
| Relay output voltage-free | ✕ |
| Outputs 0..10V or PWM signal for speed control of high-efficiency pumps | 1 |
| Number of applications | 9 |
| 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 | ✓ |
| Recooling | ✓ |
| 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 | ✕ |
| Ethernet connection | ✕ |
| Dimensions Height x Width x Depth in mm | 115 x 86 x 45 |
| Housing colour | RAL 9003 |
| Protection Class | IP40 |
| Mounting Hardware, Spare Fuse and User Manual | ✓ |
Technical documents (6)
For an accurate quote, send us
- Where the product will be used
- Quantity or dimensions where available
- Photos, drawings or material list if available
- Whether you need store collection or delivery
- Photo or drawing of the existing controller/control panel
- System type: solar, boiler, buffer or combined setup
- Number of sensors and pumps to be controlled
- Existing controller model, if replacing an old unit