The Realization of a CO2 Heat Pump Defrosting Method
Author(s): Yang Junhong
Pages: 30-32
Year: 2016 Issue: 1
Journal: Refrigeration & Air-Condition
Keyword: CO2 heat pump; frost judgment; defrosting; evaporator; hot gay bypass;
Abstract: Air source CO2 heat pump running in winter, due to the external environment of low temperature, high air humidity and so on, often formation frost layer in the evaporator surface, thereby reducing the efficiency of the heat pump, and even affect the normal operation of the heat pump units, this paper will according to the practical application of the CO2 heat pump, design a CO2 heat pump intelligent defrosting method, is used to solve the CO2 air source heat pump defrost problem under the low temperature, high humidity environment.
Pages: 30-32
Year: 2016 Issue: 1
Journal: Refrigeration & Air-Condition
Keyword: CO2 heat pump; frost judgment; defrosting; evaporator; hot gay bypass;
Abstract: Air source CO2 heat pump running in winter, due to the external environment of low temperature, high air humidity and so on, often formation frost layer in the evaporator surface, thereby reducing the efficiency of the heat pump, and even affect the normal operation of the heat pump units, this paper will according to the practical application of the CO2 heat pump, design a CO2 heat pump intelligent defrosting method, is used to solve the CO2 air source heat pump defrost problem under the low temperature, high humidity environment.
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