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Groundwater (well water) water source heat pump system
Advantages of the system

* Environmentally friendly: using groundwater as the cooling and heating source, energy conversion, reducing the emission of CO2 and other atmospheric pollutants, avoiding cooling tower noise and mould pollution;
* Energy saving: cooling and heating source temperature conditions are better than ambient air, with high operating efficiency;
* Cost saving: integrating heating, air conditioning and domestic hot water, enhancing economy;
* Stable: water temperature conditions are relatively; * Stable: the water temperature conditions are relatively stable, the fluctuation range is much smaller than the air temperature changes, making the operation reliable and stable;
* Flexible: the unit options are diverse, decentralized water fans can simultaneously air conditioning, heating and achieve the effect of four controls;
* Aesthetic: compared with air-cooled heat pumps without outdoor units, to ensure the aesthetics of the building facade;

Standard or code reference
"Renewable Energy Law of the People's Republic of China"
Article 24 The state treasury establishes special funds for the development of renewable energy, which are used to support scientific and technological research, standard development and demonstration projects for the development and utilization of renewable energy.
Suitable applications
Areas with rich groundwater, such as Beijing, Tianjin, Hebei, Heilongjiang, Jilin and Liaoning.
System principle

Summer: cool underground well water (relative to ambient temperature) is passed through the water source heat pump unit to take away heat from the air-conditioning system refrigerant carrier, making the room cooler.
Winter: Warm underground well water (relative to ambient temperature) is passed through the water source heat pump unit to exchange heat for the air-conditioning system refrigerant carrier, making the room warm.

Project example
Beijing Public House
Building area: 15,000 Floor area: 60,000
Function: Hotel/Conference centre/Office
Total cooling/heating load: 4,490kW/4,896kW
Operating time: November, 2005
System form: Groundwater water source heat pump system
Unit type: Water-water type water source heat pump unit MWH series (with heat recovery, providing domestic hot water)
Unit type: Separate water-loop heat pump unit MSR series
Representative projects
Macau New TV Production Centre, Beijing Public House, Beijing Kunlun Apartment, Zhengzhou Zhongmou Jing Yuan Resort, inside Tangshan Hart Shopping Centre, etc.
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