Hydronic Heating Smart Control Systems
Typically, the smart control systems compose of sensors of signal acquisition, elements transferring decisions and instructions, as well as actuators to perform the required action. An example of the smart control devise is a smart thermostat, which learns what temperature is needed in the room and builds a schedule based on this information. The operation of smart system is based on the elements of closed loop control, energy efficiency and networking capabilities.
It applies self-learning, thus automatically adapts itself after some time of usage and programs itself. Moreover, it can use sensors and the smart phone’s location to determine if people are away and program itself on an eco-temperature to save energy. It also has a week of data history and contains the data about energy saving. The Figure below depicts this kind of NEST Learning Thermostat, which is used in systems installed by The Green Power Company.
Smart systems are generally technological autonomous or collaborative systems with the capability to sense, actuate and control the given situation. More complex PLC system can predict, decide or assist to make decisions based on the available data.
The thermal comfort standards are required to maintain an indoor climate, that building users find thermally comfortable. It is important to sustain an appropriate temperature and humidity in indoor environment, as it has a significant impact on working performance and health conditions. Therefore, the matter of thermal comfort is meaningful, as the appropriate living conditions have to be provided. Moreover, the temperature and humidity affects energy consumption and therefore sustainability.
The environmental conditions change; nevertheless there are some standard values that indicate relevant indoor comfort conditions, which help to make decisions about the sizing and design of heating (or cooling) systems, depending on outdoor climate, clothing and activity.
The standard range for optimum thermal comfort for sedentary work is between 20⁰C and 26⁰C.