| 摘要 |
A dual temperature refrigeration system which includes a first and second evaporator coil which chills water and freezes water within a tank for producing carbonated water. A restrictor tube is connected between the first evaporator coil and the second evaporator coil for reducing the temperature of the refrigerant flowing through the second evaporator coil. When the demand occurs for chilled water, a switch provided in a by-pass conduit extending around the second evaporator coil is opened, permitting the refrigerant to by-pass the second coil which is used for producing an ice bank in the carbonator.
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