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Frequency conversion supermarket refrigerated showcase
author: supermarket refrigerated showcase category: walk-in display coolers Views: 559Time: 2016-08-22
frequency conversion supermarket refrigerated showcase
frequency conversion supermarket refrigerated showcase adopts microcomputer control technology and frequency conversion compressor. The inverter compressor changes the input and output power of the compressor by adjusting the speed of the compressor. The principle of the frequency conversion supermarket refrigerated showcase is: when the temperature in the cabinet differs greatly from the set temperature, the compressor runs at high speed and cools quickly. When the temperature in the cabinet is close to the set temperature, the compressor runs at low speed to maintain the temperature in the cabinet. Ordinary supermarket refrigerated showcase compressors are frequently started, noisy, high temperature stability, and high energy consumption. Inverter type supermarket refrigerated showcase uses inverter compressors, which not only improves performance, but also has obvious energy saving and noise reduction effects. The frequency conversion refrigeration system is similar to the ordinary dual-temperature dual-control refrigeration system, except that a -7℃ evaporator and a three-way connecting pipe are added. The operation of the
solenoid valve is controlled by the computer board. The solenoid valve is electrically connected to the capillary
1, so that the refrigerant passes through the refrigerating and freezing evaporator, and the refrigerating and freezing chambers are cooled at the same time, but the -7℃ room does not cool; the solenoid valve is electrically connected Pass the capillary.
2, the refrigerant passes through the -7℃ evaporator and the freezing evaporator, the -7℃ room and the freezer are cooled at the same time, but the refrigerating room is not. In addition to the function of temperature control for refrigeration and freezing, the electric control panel also has the temperature setting of the supermarket refrigerated showcase and -7℃ room determined by the current temperature sensed by the environmental sensor, and has the functions of -7℃ room priority and quick freezing. The temperature display area shows the refrigerated and -7℃ room temperature respectively.
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