Efficient control

PID: advanced climate control

Advanced climatic control system for optimal management of indoor comfort, from heating in winter to cooling in summer, including air renewal and humidity control.

For a device to keep a certain value constant, such as a speed, temperature, level or route etc., it needs a regulator. Something to correct eventual and inevitable fluctuations from the desired value.

If we think of the automatic pilot of a ship which has to maintain a chosen course, it is easy to understand how wind, currents and waves are sources of error which the regulator has to counter. If we set a temperature in a room, the regulator must be able to correct errors due to internal and external environmental changes such as variations in heat loss to the outside, variations in heat gain due to radiation at the different hours of the day, or internal losses or gains due to the presence of people and the switching on of electrical equipment.

Since every room is unique in its characteristics and energy needs, the control unit must be able to recognise the area with the greater need, automatically setting the system parameters to meet it. In addition, as climatic conditions change, the unit must redefine the problem area in real time.

This allows the unit to manage indoor comfort in both winter and summer and air renewal and humidity control.

This optimised management of comfort is made possible by a proportional-integral-derivative control system, or more simply "PID" - the most efficient system available for controlling room temperature.

The PID controller regulates the system on the basis of 3 inputs:

  • Proportional action: the value for room temperature at that point in time
  • Integral action: past values for room temperature
  • Derivative action: prediction of variation of room temperature

The advanced control system is able to select the most suitable water temperature based on external temperatures and building characteristics. Finally, to ensure comfort when the user wants it, the unit starts and stops the system according to whether movement is detected in the room. In doing so, the set temperature is reached exactly when needed, reducing unnecessary energy consumption and any drop in comfort levels.




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