HEAT STORAGE TYPE AIR CONDITIONER
PROBLEM TO BE SOLVED: To remove the overcooling degree of refrigerant at the entrance of a third choking device and stabilize the control of refrigerant by changing the opening degree of a third choking device by the detected value of overcooling degree of refrigerant at the outlet port of an outdoo...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To remove the overcooling degree of refrigerant at the entrance of a third choking device and stabilize the control of refrigerant by changing the opening degree of a third choking device by the detected value of overcooling degree of refrigerant at the outlet port of an outdoor side heat exchanger upon storing cold heat. SOLUTION: An opening degree is maintained in a condition that it is small by the opening degree regulating means 203 of a third choking device 22, then, the opening degree is changed by the opening degree regulating means 203 of the third choking device 22 after the detecting value of the overcooling degree detecting means 204 at the outlet port of an outdoor side heat exchanger 3 has become 5deg. once to control the overcooling degree of refrigerant at the outlet port of the outdoor side heat exchanger 3. According to this method, refrigerant, entered a cold heat storage heat exchanger 10, is recovered into a refrigerant circuit to circulate it and remove the overcooling degree of refrigerant at the outlet port of the outdoor side heat exchanger 3 whereby the overcooling degree of the entrance of the third choking device 22 is removed and the control of the refrigerant can be stabilized. |
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