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Display cooler overload protector disassembly, diagnosis and repair

display cooler overload protector disassembly, diagnosis and repair When the compressor is running normally, the display cooler overload protector should always be in the normal state, when the compressor is overcurrent or overheated When the time, it will automatically turn to the disconnected state, so as to achieve the purpose of protection. (l) Disassembly and assembly of the overload pr...

commercial refrigerationTIME：2016-08-22
Commercial refrigeration disassembly, diagnosis and repair of low temperature compensation devices

commercial refrigeration disassembly, diagnosis and repair of low temperature compensation devices low temperature compensation devices include low temperature compensation heating wires, thermostat heating wires, and some are also equipped with low temperature compensation switches or low temperature compensation thermostat. Low temperature compensation heater removal, diagnosis When the co...

commercial refrigerationTIME：2016-08-22
display cooler disassembly, diagnosis and repair of low temperature compensation switch

display cooler disassembly, diagnosis and repair of low temperature compensation switch (For power saving or winter) switch fixing screws, remove the switch. Installation is the reverse process of disassembly. (2) The low temperature compensation switch has a very low diagnosis and handling failure rate, and the damage modes are normally on and normally off. The resistance can be verified by...

commercial refrigerationTIME：2016-08-22
display cooler screw refrigeration compressor operation

display cooler screw refrigeration compressor operation screw refrigeration compressor start-up preparations screw refrigeration compressor start-up preparations can refer to piston refrigeration compressor. The display cooler screw refrigeration compressor should be inspected in the following steps before starting up. (1) Are there any obstacles around. (2) Observe the oil level to see ...

display freezerTIME：2016-08-22
What are the common failures of walk-in cooler refrigeration system

What are the common failures of walk-in cooler refrigeration system 1. Walk-in cooler common failure analysis and treatment of refrigeration system equipment used for walk-in cooler, except for its own refrigeration unit , Auxiliary equipment and supporting parts are more than other types of refrigeration system devices, so the daily maintenance and maintenance will also bring corresponding tr...

display refrigeratorTIME：2016-08-22
What are the common failures of commercial refrigeration refrigeration systems (2)

What are the common failures of commercial refrigeration refrigeration systems (2) 2) Safety device solenoid valve: The solenoid is overheated and burned, and it is easy to cause dirty blockage and brakes, which affect the refrigerant cycle. Pressure controller: The electrical control contact is aging, fouling and malfunctioning. At the same time, the signal capillary is easy to accumulate oil...

walk-in display coolersTIME：2016-08-22
display cases Fan motor disassembly, diagnosis and maintenance

display cases Fan motor disassembly, diagnosis and maintenance General display cases No fan. However, indirect cooling type display cases require a fan in the freezer to dissipate the cooling. Some display cases are equipped with condenser cooling fans at the bottom of the display cases. 1. Freezer fan motor disassembly, diagnosis and maintenance (l) fan motor disassembly, unplug the displ...

display refrigeratorTIME：2016-08-22
display cases Fan motor disassembly, diagnosis and maintenance (2)

display cases Fan motor disassembly, diagnosis and maintenance (2) refrigerated showcase BCD-180 fan motor repair, first use a knife to follow the gap of the coil core cover, gently Scribe off the surface resin glue, remove the outer cover to see the epoxy resin block, and then use a saw blade to saw along the rubber block one by one (be careful not to damage the silicon steel sheet and coil fr...

display refrigeratorTIME：2016-08-22
Supermarket refrigerated showcase Defrosting device disassembly, diagnosis and maintenance

Supermarket refrigerated showcase Defrosting device disassembly, diagnosis and maintenance The location of the defrosting device is installed behind the freezer air duct grid and in the refrigerator compartment component box. Among them, the defrosting thermostat, defrosting heater, and defrosting superheat fuse are installed in and near the evaporator behind the air duct grid of the freezer. ...

display refrigeratorTIME：2016-08-22
Failure analysis and treatment of commercial refrigeration refrigeration equipment

Failure analysis and treatment of commercial refrigeration refrigeration equipment The method of checking failure and the signs of normal operation 1. The method of checking the failure is due to the commercial refrigeration, the condenser, and the refrigerator. , Expansion valve and many equipment accessories are connected and interact with each other. Therefore, once the refrigeration devi...

walk-in display coolersTIME：2016-08-22

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