Solar Differential Controller Facilities V-DCS4 pro (professional)
Three – Four and Five Sensors, PWM Ready

General characteristics :

  • Controller central unit in wall-mounted protection box IP 40.
  • Bright LCD Screen 4X16 lines on a blue background (blue backlight) with continuous status display of basic functions (Configuration we have selected, Auxiliary Source Status, Sensor Temperatures and Relay Status).
  • It supports and controls more than 9 different systems (configurations) of solar installations for the production of DHW or solar heating as well as heating devices from alternative energy sources.
  • Temperature control from 3 to 5 sensors depending on the configuration.
  • Control up to 4 collector circulators with or without different orientation.
  • Differential control up to 4 thermowells.
  • Auxiliary source control for DHW production from oil, gas, solid fuel boilers, pellets or heat pumps.
  • Control of two-way valves or three-way bypass valves.
  • DHW recirculation control for large plumbing installations in buildings, hotels.
  • Control of hydraulic heating circuits radiator.

 

Damage detection or correction (calibration) system of sensors.

Manual relay activation system.

Collector protection system against overheating and cold.

Hydraulic piping protection system against collector overheating.

Thermal tank protection system against overheating as well as automatic cooling for stagnation installations.

One-click factory reset option.

It supports and controls all types of circulators

(conventional on-off, electronic inverter or variable speed PWM).

 

  • Variable operating scenario for PWM powered electronic circulators.
  • Full parameterization of the factory settings from an easy-to-use and understandable menu.
  • 230 VAC power supply. • Four dry contacts Relay 6A/230 VAC – 30 VDC.
  • Outputs for electronic variable speed PWM pumps.

The sensors of the device are type V-KTY81120


 

Indicative diagrams of supported configurations