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Working principle of air source heat pump working principle of heat pump working principle of heat pump energy saving principle of heat pump 3. Advantages of heat pump 1. Working principle of air source heat pump In winter, air source heat pump the heat pump takes refrigerant as the heat medium, absorbs heat in the air (connected with heat exchange in the middle of the evaporator), improves the low-temperature heat energy into the high-temperature heat energy through the compressor, and heats the circulating water of the system (connected with heat exchange in the middle of the condenser);? In summer, the heat pump takes refrigerant as the refrigerant, absorbs the cooling capacity in the air (connected with heat exchange in the middle of the condenser), reduces the heat energy at high temperature to cold energy at low temperature by compressor, and circulates water in refrigeration system (heat exchange is connected in the middle of evaporator); Thus, the heat energy (cold energy) that can not be directly used can be regenerated into the heat energy (cold energy) that underfloor heating pump can be directly used. Only a small amount of electric energy is consumed, and the energy-saving return of 2-6 times of the input power is obtained, which is determined by the working principle of heat pump. ? as a renewable energy, air is an inexhaustible natural resource. Heat pump uses renewable energy air energy, supplemented by clean energy electricity, without any pollution in operation. It is a green environmental protection equipment vigorously promoted by the state for the development and utilization of renewable energy. The working principle of heat pump is shown in the following figure:? 2. Energy saving principle of air source heat pump? The figure below can help us understand the inevitability of energy saving of air source heat pump, because it is free to absorb heat from outdoor air, and it is mainly used to generate heat. The heat balance formula of air source heat pump is:? Heat supply = heat absorbed from outdoor air + consumedElectric energy? Cooling capacity = cooling capacity of absorbing outdoor air + consumed electric energy 3. Advantages of air source heat pump? 1) all weather operation throughout the year, not affected by night, cloudy day, rain, snow and other weather. ? 2) energy saving products: the air source heat pump unit uses air as the low-temperature heat source to generate heat, and the power consumption is only 1 / 4 of that of the electric boiler in the whole year. Compared with the coal-fired, oil-fired and gas-fired boilers, the air source heat pump unit can save more than 40% of the energy and recover the investment in a short time. ? 3) environmental protection and pollution-free: the system operates without any combustibles and emissions, and the refrigerant has zero pollution to the ozone layer, which has good social benefits. ? 4) safe and reliable operation: the whole system is a safe and reliable central air-conditioning system without the risks of flammability, explosion, poisoning and short circuit that may exist in traditional boilers (oil or gas or electric boilers). ? 5) long service life and low maintenance cost: the service life of the unit is more than 15 years; the operation is safe and reliable, the installation is convenient, and it can realize unmanned operation and automatic intelligent control. ? 6) water source heat pump comfortable and convenient, high degree of automation and intelligence: automatic controller is adopted in the system to realize heating in winter and cooling in summer all year round. ? 7) patented technology for the northern cold season: for the northern winter cold climate, the cantham air source heat pump has its own patented technology. After market verification, the product is the world's leading product in normal operation under - 23 ℃, and the only one that can operate normally in northern China in winterProducts of the same industry. Truly achieve "true heat pump is not afraid of cold". Thank you very much