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Supermarket refrigerated showcase Solenoid valve disassembly, diagnosis and maintenance (3)

, The most common is the breakdown of supermarket refrigerated showcase diodes. Use the multimeter RxlO～Rxlk gear to measure the resistance at both ends. Normally, the forward resistance should be infinite between 300Q and 5kQ due to different measurement gears. If the forward and reverse resistances are both close to zero or very small, it is a diode breakdown: the forward and reverse resistanc...

commercial refrigerationTIME：2016-08-22
commercial refrigeration cabinet management

commercial refrigeration cabinet management commercial refrigeration is an indispensable part of ensuring the long-term supply of fresh and perishable food to the market, adjusting the imbalance of food supply with seasonal changes, and improving people's lives. Doing a good job in cabinet management is very important to ensure the quality of refrigerated food and improve the economic benefits...

display refrigeratorTIME：2016-08-22
Display cooler cabinet management (2)

display cooler cabinet management (2) 3. Requirements for the management of food in the cabinet 1) Requirements for the food stored in the display cooler must be fresh, clean and qualified after inspection . If the fish needs to be rinsed, plate it according to the type and size: the meat and by-products are required to be trimmed clean, free of hair, blood, and pollution. The food must be c...

display refrigeratorTIME：2016-08-22
Commercial refrigeration cabinet management (3)

Commercial refrigeration cabinet management (3) The following types of foods can be put into commercial refrigeration after selection, sorting or packaging. (1) Foods, vegetables, and fruits that are of different quality and are highly mixed, with a rotten degree of more than 5%. (2) Contaminated or contaminated food. (3) Meat products and scattered food that cannot be stacked. 3) Stri...

display freezerTIME：2016-08-22
Supermarket refrigerated showcase refrigeration system components disassembly, diagnosis and maintenance

supermarket refrigerated showcase refrigeration system components disassembly, diagnosis and maintenance 1. Anti-dew pipe removal and diagnosis Because the anti-dew pipe belongs to a high-pressure system, the failure rate is high and it is hidden Inside the supermarket refrigerated showcase door frame, it cannot be disassembled or replaced, and can only be thrown away. Supermarket refrigerated...

display refrigeratorTIME：2016-08-22
Commercial refrigeration refrigeration system components disassembly, diagnosis and maintenance (2)

II. Commercial refrigeration condenser disassembly, diagnosis and maintenance The condenser is a commercial refrigeration high-pressure pipeline with a relatively low failure rate. The exposed and shielded cooling costs; the shielded condenser can be disassembled and repaired: the built-in condenser cannot be disassembled or repaired if it is damaged, and the exposed condenser can only be inst...

commercial refrigerationTIME：2016-08-22
Commercial refrigeration refrigeration system components disassembly, diagnosis and maintenance (3)

III. Commercial refrigeration evaporator disassembly, diagnosis and maintenance General commercial refrigeration The evaporator is hidden in the commercial refrigeration body and cannot be disassembled and repaired. Leaks are only available Inlaid hair dropper in freezing and cold storage rooms. Hair droppers can be purchased. But it is most practical to make yourself with copper pipes. A few ...

commercial refrigerationTIME：2016-08-22
Commercial refrigeration cabinet management (4)

commercial refrigeration cabinet management (4) The safety period of commercial refrigeration refrigerated food must be carefully grasped, the first-in first-out system shall be implemented, and regular or irregular food quality inspections shall be carried out. If the food is going to exceed the storage period, or if it is found to have deteriorated, it should be handled in time. Special requ...

display refrigeratorTIME：2016-08-22
display cases cabinet management (5)

display cases cabinet management (5) 2. Do the maintenance and maintenance of the building carefully to prevent the freezing and thawing cycle of the building structure and the freezing and frosting . (1) For display cases without floor antifreeze measures, in the cold storage room of chillers, the floor should be prevented from freezing during use. (2) In order to protect the floor and pr...

commercial refrigerationTIME：2016-08-22
Hygiene and disinfection of commercial refrigeration

Hygiene and disinfection of commercial refrigeration 1. When commercial refrigeration enters and exits commercial refrigeration, it needs to come in and out of the commercial refrigeration, which will increase the chances of microbes contaminating the surrounding environment. Environmental hygiene is very important. There should be no sewage and garbage around the commercial refrigeration, an...

walk-in display coolersTIME：2016-08-22

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