Commercial refrigeration classification
commercial refrigeration classification commercial refrigeration can be classified according to cooling methods and temperature control methods. 1. Classified by cooling method According to the cooling method, commercial refrigeration can be divided into three types: direct cooling, indirect cooling, and mixed cooling. (1) Direct cooling type commercial refrigeration This type of commercial refrigeration is also called frosted commercial refrigeration. It is equipped with a freezing evaporator and a refrigerating evaporator, which directly capture the heat of the freezer and refrigerator for cooling and cooling. Since most commercial refrigeration currently uses direct cooling, this book and some materials refer to direct cooling unless otherwise specified. (2) Inter-cooled commercial refrigeration is only equipped with a freezer compartment evaporator. The evaporator’s cold capacity is blown into the freezer and refrigerating compartment by a fan for cyclic cooling, so it is also called air-cooled commercial refrigeration. Since the frost only forms on the surface of the evaporator, the refrigerated evaporator is in the compartment on the rear wall of the freezer or in the compartment between the refrigerator and the freezer. Therefore, no frost can be seen in the freezer and refrigerator, so it is called frost-free commercial refrigeration. The temperature of the refrigerator compartment is adjusted by adjusting the opening degree of the air door to control the amount of cold air. (3) Mixed-cooling commercial refrigeration This type of commercial refrigeration is also called direct-air cooling commercial refrigeration. Generally, the refrigerating room adopts the direct cooling type, which can make the food moisturizing, fresh, and not air-dried. 2. Classified by temperature control mode commercial refrigeration According to temperature control mode, it can be divided into three types: dual temperature single control, dual temperature dual control, and electric control. (1) Dual temperature single control commercial refrigeration Only one thermostat is installed in the refrigerating room to control the start and stop of the compressor, directly controlling the temperature of the refrigerating room and indirectly controlling the temperature of the freezing room. Ordinary commercial refrigeration generally adopts this temperature control method. Therefore, unless otherwise specified in this book, it refers to this type of control method. (2) Dual temperature dual control commercial refrigeration Thermostats are installed in the refrigerator compartment and the freezer compartment to control the work of the compressor. (3) Electronically controlled commercial refrigeration This type of commercial refrigeration is also called computer-controlled commercial refrigeration, The thermistor is used as a temperature sensor to detect the temperature of freezing and refrigeration, and feedback to the computer board to control the start and stop of the compressor, so as to realize the temperature control of the freezer and refrigerator. The above articles are from refrigerated showcase supermarket refrigerated showcase and commercial refrigeration. For details, please log in: www.ihdjx.com Free Order Hotline: +86 18019567573 Contact: Mr. Shao 26066250@qq.com
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