Commercial freezer pseudo-failure refers to the freezer in use, non-itself parts, components problems caused by a variety of failures. Commercial freezer in the overhaul, must first exclude these pseudo-fault, in order to make the overhaul work smoothly. The following tells you what are the common pseudo-faults of commercial freezers.
Cold cabinet improper use, placed in an uncomfortable position, poor ventilation, condenser dust accumulation too much and not timely cleaning, these will make the condenser heat dissipation is poor, so that the cold cabinet refrigeration effect becomes poor.
Too much food stored in the cooler, hinder the circulation of cold air, will make the cabinet temperature is high. Frequent opening of the cold cabinet door, the compressor on time is bound to be extended.
The compressor is hot when the cold cabinet is running, and the compressor constantly dissipates the heat absorbed by the refrigerant in the evaporator through the condenser. So the temperature of the compressor shell generally also has 80 ℃ to 90 ℃, which is the nature of its work.
Freezer freezer does not frost and ice, this phenomenon indicates that the freezer is too much moisture, and the temperature is high. Moisture may come from the food, but also may be too many times related to open the door, especially the single-door freezer is more likely to produce such phenomena. The solution is to remove the ice on the surface of the freezer, and then adjust the thermostat to reduce the temperature inside the freezer.
Cold cabinet work cabinet produce water sound, which is the movement of refrigerant in the pipeline, when the flow to the evaporator, its state is liquid, liquid refrigerant flow will issue a clear sound of water, sometimes in the shutdown can still be heard soon after. This is because the refrigerant movement inertia caused by, is a normal sound.
Refrigerator normal work shell heat, evaporator in the cabinet absorbed heat and compressor work heat is located outside the cold cabinet condenser dissipated. At present, some condenser is located behind the refrigerator, some are hidden in the sides of the box. Normal heat dissipation, condenser surface temperature can reach 50 ℃ to 60 ℃. Therefore, the shell of commercial refrigerator heat is a normal phenomenon.
Refrigerator in different seasons cooling effect is different, the refrigerator is equipped with compensation heater and power saving switch, used in the winter on the cabinet heating, appropriate to improve the cabinet temperature, to solve the winter ambient temperature is low, the thermostat is not easy to act to make the compressor start running problem. Winter if this switch is not closed, there may be poor refrigeration effect phenomenon.
According to national standards, the voltage fluctuation of the cooler is allowed to range from 187 V to 242 V. Insufficient power supply voltage or plug and socket contact is poor in both cases may make the voltage added to the commercial cooler is lower than the working voltage, and the cooler does not start or start frequently. When the voltage fluctuation is too large, it is best not to use.
Post time: May-31-2023
