Water central air conditioning system is composed of the end (indoor air handling terminal, etc.) system, water central air-conditioning host (also known as water source heat pump) system and water source water system. For the user heating, the water central air-conditioning system to extract low-grade heat from the water source, through the electric energy-driven central air-conditioning host (heat pump) "pump" to the high-temperature heat source to meet user heating needs. For the user cooling, the water source central air conditioning will be user-room waste heat through the water central air-conditioning host (cooling) transferred to the water source to meet user cooling needs. System diagram: heating conditions as an example (refrigeration conditions can be achieved by switching the valve, even if the water source into the condenser, evaporator refrigeration cycle water connected to the user system), the system principle see below: Category: Water source heat pump According to Different ways of using water can be divided into two kinds: closed system and open system. Closed system refers to the water side of a group of closed loop heat transfer casing, the casing is generally buried horizontally or vertically in the sea water or seawater, through the heat transfer with the soil or seawater to achieve energy transfer. Open system is what is commonly referred to as deep well recharge water source heat pump system. Groundwater is extracted through the construction of a pumping well group, sent to the water source heat pump unit through the second heat exchange or directly to the ground after the extraction heat or heat is released. Water source heat pump schematic: Deep well recharge open loop underground horizontal closed loop
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