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Heat pumps that utilize air as a source of heat and cold are called air source heat pumps. Air source heat pump is easy to install and use, and is widely used. Air source heat pump hot water system is to air as a heat source, through the electric energy drive compressor work, promote the system refrigerant circulation movement, the surrounding environment air temperature, absorb the heat, bring to the output of the condensing end, release heat to heat the cold water heat pump hot water system. Its features are:
1. heat energy from the air, not affected by the climate, can be used all year round all-weather;
2. small space, easier to install, no longer affected by the level of residence, to realize the integration with the building;
3. the use of environmentally friendly materials, without any waste gas and water emissions, absolutely environmentally friendly;
4. its biggest advantage is more affordable.
Domestic air source heat pump water heaters are mainly composed of a mainframe and a water storage tank. The main unit includes the compressor, throttle valve, evaporator and temperature control device, and the condenser coil is set in the water storage tank.
In the working process, the water in the water storage tank is gradually heated, when the hot water temperature rises to the set upper temperature, the compressor stops working: when the hot water temperature drops to the set lower temperature, the compressor works again, so that the hot water temperature changes within a certain range. The cold water is fed from the lower part of the water storage tank and the hot water flows out from the upper part. The tanks are available in sizes 80, 100, 120 L, etc.
(1) Obvious energy saving and environmental protection effect;
(2) Can "shift peaks and fill in valleys", the development of low valley electricity;
(3) can realize the integration of hot water, heating, cooling, improve energy utilization;
(4) to facilitate the use of geothermal, building waste heat and other low-grade energy utilization, recovery.