Supermarkets are indispensable shopping venues in cities. When we go to the supermarket to purchase frozen food, we often choose from the refrigerators. Based on this purchasing habit, merchants usually attach great importance to the placement of chest freezer to promote product sales. However, do you know that the placement and usage of freezers are carefully arranged?
How to place and use chest freezers in an energy-efficient and cost-effective way? Here we will offer some tips.

1. The store owner should consider the placement of the chest freezer.
The freezers in the supermarket should be placed in a cool and ventilated area, avoiding direct sunlight and keeping away from heat sources.
Places with heat sources will increase the power consumption of the electric refrigerators. At the same time, the location of the freezers should also be convenient for customers to move around        and select food.

2. We should be aware of the properties of the objects stored in the freezer.
Chemical reagents or medicines that are flammable or volatile are not allowed to be stored in the supermarket refrigerator.
Items with odors, and those that require preservation and moisture protection (such as fish, acids, vegetables, fruits, etc.) should be sealed well with plastic films or other packaging materials           before being placed in the refrigerator for storage.

3. If any leakage is detected, we should promptly replace the seal to prevent the gap from losing cold air and causing the refrigerator to lose its cooling and insulation functions.

4. Do not keep the freezer door open for a long time or open it frequently.
When opening the chest freezer in the supermarket, keep the duration short, the frequency low, and the opening angle moderate. This can reduce the loss of cold air and is beneficial for energy         conservation.

5. Before consuming frozen food, it should be thawed in the refrigerator in advance.
This not only helps lower the temperature of the refrigerator but also saves electricity.

6. Remove the frost from the freezer in a timely manner.
The moisture in the supermarket freezer comes from the water content of the food and the air that enters the freezer when the door is opened. This moisture will condense into frost on the             evaporator. The lower the temperature inside the box, the faster the frost forms and the thicker the frost layer becomes. The frost conducts heat more slowly than metal, which hinders the cooling       effect of the evaporator and increases power consumption.
Therefore, for freezers without an automatic defrosting function, when the frost thickness on the evaporator exceeds 4-5 millimeters, it is necessary to perform manual defrosting promptly.

7. After the compressor in the supermarket freezer stops running, there is a significant pressure difference between the suction side and the exhaust side. If we start the equipment at this time, the     piston pressure of the compressor will increase, which could potentially damage the motor.
Therefore, in case of power outage, store staff should promptly unplug the power plug or shut down the machine. Even in a temporary power outage, the machine should not be restarted until 3       to 5 minutes have passed.

8. Don’t stack food densely in the supermarket freezer; leave some space between the stored items to allow for air circulation and ensure uniform temperature.
We can use smaller packages to reduce the freezing time. This approach saves energy and is also convenient for storage and access.

Have you learned the above tips?

 

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