Combined system for maximal energy economy
In the combined system for heating and water heating for household use with heat pump and solar panels is obtained maximal electricity savings. How is it achieved?
In this case the main source for heating is the heat pump, whether it is water source or air source. Capitalizing energy from the environment the unit as given it in the building and in the boiler through one of the embedded in it coils, increasing he water temperature in the boiler to 45-48°C.
In the presence of sunlight even in the coldest winter days the temperature in the solar collectors increases. When it reaches 50oC the controller includes the circulator pump to the collector and they start to give up energy in the heater through the second coil.
Consequently the temperature in the heater increases to values overwhelming the temperature of exclusion of the heat pump compressor.
Henceforth by water in the heater a heat transfer begins from the warmer water in the heater to the heating installation through the coil, connected to the heat pump. Thus, while there is intensive sunlight and if there isn’t big energy consumption at the moment the heat pump won’t start, or it will but for a short time only if the temperature in the heater falls below 45°C.
Naturally if you need it, the heat pump will turn on to heat the water and the building, but in every case of sun shining one vacuum tube solar collector type CAU 12 provides you absolutely free energy in about 1,8 kW for heating water for household needs and helps heating the building, which added to the extreme efficiency of the heat pump – up to 1:4 in water source type and to 1:3 in the air source type, provides you the cheapest absolutely autonomous and automated way to heat the building and provide hot water.
