Abstract
The developed system included a newly developed groundwater-source heat pump system capable of hybrid operation combining free cooling and heat pumping was installed. In order to prevent scale deposition in the piping and equipment through which groundwater was to flow and clogging of the wells and ground, a water treatment system was installed. Winter test operation was started in November, 2011. Summer test operation was started in June, 2012, and ended in September. Test data obtained in the first year of operation were analyzed. The successful test operation results thus obtained indicate that the developed system is superior in performance to a typical conventional system.
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