Necessary knowledge before and after using the freezer
1. For the first time, the machine should be empty first to run 1-
2 hours, turn off the machine when the operation reaches a stable state, and then put the food into the machine.
2. The freezer adopts a fully automatic digital display numerical control microcomputer thermometer to prevent frequent incoming calls from being cut off (Or frequent switch)
Protect the compressor, the compressor will be delayed for two minutes after all refrigeration equipment are turned on (
Although there is delay protection, it cannot be switched on or off frequently)
3. When the freezer leaves the factory, the temperature has been adjusted and locked. Generally, it does not need to be adjusted.
If it is mechanical temperature control, the temperature of the freezer should be adjusted according to the ambient temperature.
4, the freezer defrosting is automatically controlled by the microcomputer, the freezer will stop running and enter the defrosting state (
Note: it is normal for the temperature to rise slightly during defrosting)After defrosting, the freezer will automatically refrigerate.
5. There should be more than 10 cm intervals before and after the freezer, which is conducive to the good ventilation of the cold suspect to ensure the cooling effect of the equipment.
Food should not be placed too close to the air outlet, and appropriate gaps should be kept when the goods are placed, so as to facilitate air-conditioning convection and uniform temperature.
Pay attention to the working condition of each component of the commercial freezer and whether the power supply is stable during use.
Whether the refrigeration, electrical and wind systems are operating normally.
1. Whether the electricity is stable: the power supply of the freezer must use an independent socket. The current capacity of the socket and the power cord must conform to the freezer, and the socket must be reliably grounded;
When the voltage is unstable, it is recommended to use a voltage stabilizer with more than five times the power to observe the refrigeration system, the electrical system and the air system to determine whether they work normally.
2. Refrigeration system: observe whether there are cracks, damages, frosting and condensation in each pipeline of the refrigeration system;
There is no collision and friction between refrigeration pipelines, pipelines and shells, especially at the welding of refrigerant pipelines and joints. There will be oil stains at any leakage, clean soft cloth and soft paper can also be used to wipe the joint between the welded part of the pipeline and the joint, and observe whether there is oil stain to judge whether there is leakage.
3. Electrical System: observe whether the fuse of the electrical system is blown, whether the insulation of the electrical conductor is intact, whether the circuit board is broken, whether the connection is loose, etc.
In particular, whether the electrical connection is in good contact, the wiring screws and connectors are easy to loosen and cause poor contact.
4. Air system: observe whether there is too much dust on the air filter screen, heat exchanger coil and fins; Whether the air inlet and air outlet are unblocked; Whether the fan and fan blades are running normally; Whether the wind power is normal, etc.
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