| 摘要 |
A heat pump system installed on the discharge line of a refrigeration system with floating head pressure (condensing temperature as low as 60.degree.F ) to extract the total rejected heat by the refrigeration system and to elevate the temperature level of the total rejected heat to a value usable in heat reclaim coils with the purpose to provide comfort heating of the building during the cold periods of the year. When no heat reclaim is required, the heat pump system is used for air conditioning and subcooling purposes.
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