Ground source heat pump is a form of water source heat pump, it is the use of water and ground energy (groundwater, soil or surface water) for cold and heat exchange as a source of heat and cold water source heat pump in winter to heat "Come out to supply indoor heating, at this time can be a" heat source "; summer to remove indoor heat, released into the groundwater, soil or surface water, at this time can be" cold source. " Ground source heat pump heating air conditioning system is divided into three parts: outdoor heat exchange system, water source heat pump units and indoor heating air conditioning terminal system. Water source heat pump which there are two main forms: water - water or water - air type. Between the three systems by water or air heat transfer medium for heat transfer, water source heat pump and ground heat transfer medium for the water, and building heating air conditioning at the end of heat transfer medium.
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