Abstract
In order to improve EER of the ground source heat pump system and reduce heat transfer area of the ground heat exchanger, the authors had developed a series connection ground source heat pump water chiller-heater unit, after theoretical analyses, proved that placing the water chilled in front of the hot water unit could acquire a higher EER comparing to the opposite. In the meantime, this unit had a higher EER than a common water chiller-heater unit or a water chiller-heater unit with condensing heat recovery device. In an air conditioning system of ground source heat pump, employing the above mentioned unit can also reduce heat transfer area of the ground heat exchanger. It suggested that series connection ground source heat pump water chiller-heater unit is a kind of technology with a great development potential.
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