LTDC
“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.
Inputs
Outputs
Sorel Connect
Menu Languages
| LTDC | |
|---|---|
| Sensor inputs PT1000 | 6 |
| Relay outputs 230V | 3 |
| Relay output voltage-free | ✕ |
| Outputs 0..10V or PWM signal for speed control of high-efficiency pumps | 2 |
| Number of applications | 42+ |
| 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 | ✓ |
| 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 | 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 | ✓ |
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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