Small Temperature Difference Controller for simple systems For 9 solar, storage and solid fuel boiler-systems The STDC is available in different versions with variable relay combinations. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both, just according to your needs. Connections: 3 sensor inputs for Pt1000 temperature sensors 1 relay plus 1 optional PWM0-10V output Features: for 9 basic systems 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 115mm W 86mm D 45mm Mounting hardware, spare fuse and user manual Basic systems: Solar with storage Solar with swimming pool Solid fuel boiler with storage Storage transfer Return flow increase Thermostat function Universal Delta T Stop valve Solar with heat exchanger and pool (V3 and V4 only) THIS CONTROLLER IS NOT SUITABLE FOR SPEED CONTROL OF A-RATED DOMESTIC HEATING PUMPS STDC Version 3 Technical features Temperature sensors Pt1000: 0 Relay outputs 230V* of which for speed control of standard pumps: 1 0 Outputs 0..10V or PWM signal: 1 VFSRPS sensors: 0 Number of applications: 9 LEDs redgreen for display of operating status: 0 Simple heat metering: Yes Flow based heat metering (Grundfos VFS sensor): No Pressure monitoring (Grundfos RPS sensor): No Time and temperature-controlled thermostat function: Yes Battery-backed Real Time Clock: Yes Legionella protection via solar: Yes Legionella protection via additional heating: No Cooling function: No 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): No 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): No Warranty: 2 Years
£136.68
Large Temperature Difference Controller for complex systems For 36 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: 5-6 sensor inputs for Pt1000 temperature sensors CAN-interface for SOREL Connect 3 relays and up to 2 PWM0-10V outputs Features: for 36 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 Basic systems: Solar with storage Solar with swimming pool Solid fuel boiler with storage Storage transfer Return flow increase Thermostat function Universal Delta T Stop valve Solar with heat exchanger and pool Solar with thermostat Solar two-zone storage Solar with heating circuit Solar with bypass Solar with heat exchanger Solar with 2 collector surfaces Solar with 2 collectors and 2 pumps Solar with 2 storages and 2 pumps Solar with 2 storages and valve Solar with storage transfer Solar with pool and heat exchanger Solar with thermostat and valve Solar with solid-fuel boiler Solar with cooling 1 (collector cooling) Solar with cooling 2 (collector cooling) Solar with cooling 3 (storage cooling) Solar with storage and solid-fuel boiler Solar with heat exchanger 2 zones Solar with heat exchanger 2 storages 2x solar Solar with thermostat and storage transfer Solar with thermostat and return flow increase Solar with 2 collector surfaces, 2 storages and 2 valves Solar with 2 collector surfaces, 2 storages and 2 pumps Solar with swimming pool, storage, heat exchanger and valve Solar with 3 storages and 3 pumps Solar with 3 storages and 2 valves Additional functions for unused relays: Solar bypass Backup heating control Cooling function Return flow increase Anti-legionella function Storage transfer Universal DeltaT Always On Solid fuel boiler control Signaling with activated protection function Signaling with new information message Pressure monitoring Booster for fast system loading Heating circuit Parallel operating with R1 Parallel operating with R2 Thermostat 2 LTDC Version 5 Technical features Temperature sensors Pt1000: 5 Relay outputs 230V* of which for speed control of standard pumps: 3 0 Outputs 0..10V or PWM signal: 2 VFSRPS sensors: 2 Number of applications: 36+ LEDs redgreen 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 program: 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 Warranty: 2 Years
£277.00
PT1000 Temperature sensor Temperature sensor; suitable replacement or addition to the following controllers: Sorel STDC, MTDC, LTDC, XTDC . Temperature sensor has high temperature silicone rubber coating suitable for use in solar panel manifold temperature port. Length: 2M
£13.55
Sensor inputs PT1000 8 Relay outputs 230V 6 Relay output voltage-free 1 Outputs 0..10V or PWM signal for speed control of high-efficiency pumps 2 Number of applications 48+ 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 ✓ Ethernet connection X (only in V2) Dimensions Height x Width x Depth in mm 228 x 180 x 53 Housing colour RAL 9003 Protection Class IP40 Mounting Hardware, Spare Fuse and User Manual ✓
£550.00
Medium Temperature Difference Controller for midsize systems For 25 basic systems with additional functions for unused relays The MTDC is available in different versions with variable relay combinations. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both, just according to your needs. Sensors and power cable not included. Connections: 3 sensor inputs for Pt1000 temperature sensors 2 relays and optional PWM0-10V outputs Features: for 25 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 Basic systems: Solar with storage Solar with swimming pool Solid fuel boiler with storage Storage transfer Return flow increase Thermostat function Universal Delta T Stop valve Solar with heat exchanger and pool Solar with thermostat Solar two-zone storage Solar with heating circuit Solar with bypass Solar with heat exchanger Solar with 2 collector surfaces Solar with 2 collectors and 2 pumps Solar with 2 storages and 2 pumps Solar with 2 storages and valve Solar with storage transfer Solar with pool and heat exchanger Solar with thermostat and valve Solar with solid-fuel boiler Solar with cooling 1 (collector cooling) Solar with cooling 2 (collector cooling) Solar with cooling 3 (storage cooling) Additional functions for unused relays: Solar bypass Backup heating control Cooling function Return flow increase Anti-legionella function Storage transfer Universal DeltaT Always On Solid fuel boiler control Signaling with activated protection function Signaling with new information message Pressure monitoring Booster for fast system loading Heating circuit Parallel operating with R1 Parallel operating with R2 Thermostat 2 DESIGNED FOR SPEED CONTROL OF A-RATED HEATING CIRCUIT PUMPS PWM 0-10V MTDC Version 5 Technical features Temperature sensors Pt1000: 0 Relay outputs 230V* of which for speed control of standard pumps: 2 1 Outputs 0..10V or PWM signal: 1 VFSRPS sensors: 0 Number of applications: 25+ LEDs redgreen for display of operating status: 1 Simple heat metering: Yes Flow based heat metering (Grundfos VFS sensor): No Pressure monitoring (Grundfos RPS sensor): No 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): No Warranty: 2 Years
£166.50
