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Euroster UNI4

Euroster UNI4
Euroster UNI4
Weather-compensated control unit for independent control of heating systems with 2 heat sources and 2 heating circuits with mixing valves. Equipped with anti stop pump protection system.

Euroster UNI4 is a universal weather controller for independent control of heating systems with 2 heat sources and 2 heating circuits with mixing valves (e.g. radiator and floor heating). Advanced control algorithms ensure trouble-free operation of the installation, and the graphic display and multifunction knob - intuitive and friendly operation of the controller. Euroster UNI4 has a number of useful functions and an anti-stall anti-stop pump system that prevents seizing of the unused pump impeller. After the end of the heating season, the system automatically starts the pump every two weeks for 30 seconds (for the system to work after the season, the controller should be left turned on).

Benefits
  • control of two central heating circuits with mixing valves (e.g. radiator and underfloor heating),
  • control of the domestic hot water tank charging pump with the option of switching on priority,
  • time control of the hot water circulation circuit,
  • cooperation with two heat sources and a heat buffer,
  • ability to control the heat source with an operating schedule,
  • heating or cooling control with the ability to switch between heating and cooling,
  • independent setting of temperature and weather curve for each heating circuit,
  • independent control of each heating circuit room regulator and schedule,
  • change of the SUMMER/WINTER heating season,
  • automatic turning off and on of heating depending on the outside temperature,
  • control of mixer actuators based on the PI algorithm,
  • domestic hot water circulation control in accordance with the set work schedule,
  • possibility of turning off the control of the heating circuit mixer,
  • disinfection function of hot water circuits,
  • output for controlling a gas boiler or other heating device,
  • alarm output,
  • register of dangerous and alarm events,
  • possibility of test switching of outputs,
  • overheating protection, antifreeze protection,
  • multi-language support.
  • cooperation with underfloor heating manifolds
Technical specification
Controlled device two heating circuits with mixing valves, a hot water circuit, a
hot water circulation circuit
Supply voltage 230V 50Hz
Maximum power consumption 4 W
Maximum output load 100 W (each output)
Driver output relay, voltage for pumps, valve actuators and alarm output
relay, voltage-free for controlling a boiler or other heating device
Temperature measurement range from -30°C to +120°C
Temperature adjustment range from +5°C to +90°C
Accuracy of temperature control 1°C
Accuracy of temperature indications 1°C
Visual signaling backlit LCD display, RGB LED
Working temperature from +5°C to +40°C
Storage temperature from 0°C to 45°C
Level of security IP 20
Color gray, RAL7035
Assembly method on a 35 mm DIN rail, installation in a protective cabinet
Mass 545 g
Standards, approvals, certificates compliance with EMC, LVD and RoHS directives
Guarantee 2 years
Dimensions: width/height/depth (mm) 159.5/90/59
Equipment Euroster UNI4 controller, power cord, temperature sensors (7 pcs.), sensor bands, expansion plugs, user manual with warranty
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