Moving or simply buying new household appliances is always associated with excitement and haste. You want to quickly unpack the box, wipe down the shelves and finally start the unit so that it starts cooling the food. However, haste in this matter is the main enemy of the long service life of the device. The question of how long the refrigerator should sit after transportation is one of the most critical for maintaining the performance of the compressor. Ignoring the rules for initial startup can lead to failure of the heart of the cooling system. Oil that should be in the compressor crankcase may have entered the refrigerant circuit during tilting and shaking. If you start the motor immediately, it will try to compress the liquid, which will cause water hammer or critical wear of parts. compressor.
Ignoring the initial start-up rules can lead to failure of the heart of the cooling system. Oil that should be in the compressor crankcase may have entered the refrigerant circuit during tilting and shaking. If you start the engine immediately, it will try to compress the fluid, which will cause water hammer or critical wear of parts.
In this article we will analyze in detail what the waiting time depends on, how to properly prepare the equipment for the first start and why manufacturers insist on a pause before plugging it into the network. Following these simple but important recommendations will allow you to avoid expensive repairs in the future.
Physics of the process: why you can’t rush
To understand the need for waiting, you need to look inside the structure. Not only gaseous refrigerant circulates in the system, but also special compressor oil. It is necessary to lubricate the rubbing parts of the motor and is located at the bottom of the compressor. During transportation, especially if the refrigerator was tilted or shaken strongly, the oil flows into the evaporator or condenser tubes.
If you turn on the unit immediately, the oil will not have time to drain back into the crankcase. As a result, the engine will run dry, which will lead to rapid overheating and jamming of the piston group. In addition, the entry of oil into the refrigerant circuit can cause blockage of thin capillaries, which will disrupt the entire refrigeration cycle.
⚠️ Attention: An attempt to start a compressor with oil in the circuit often leads to irreversible damage that is not recognized as a warranty case, since this is a violation of operating rules.
The time required for the oil to drain depends on the viscosity of the liquid and the design of the compressor. Modern models may have a more complex system of tubes, where retained liquid takes longer to drain. Therefore, there is no universal “exactly one hour” rule, although you can often hear just such a recommendation.
Factors influencing settling time
There are several key parameters that determine exactly how long your refrigerator should stand before turning on. Not all devices are the same, and the conditions for their transportation also differ.
First of all, consider the position in which the transportation was carried out. If the refrigerator was transported strictly vertically, without strong shaking, the risks are minimal. If the equipment was placed on its side or tilted strongly when entering the doorway, the waiting time increases. The type of refrigerant and the design of the compressor are also important.
The ambient temperature plays an important role. If you brought the refrigerator in winter from frost, you cannot turn it on immediately, even after settling. A sudden change in temperature will cause the formation of condensation inside electrical circuits, which can lead to a short circuit.
Below is a table that will help you navigate the waiting time depending on the conditions:
| Conditions of transportation | Carrying position | Recommended waiting time |
|---|---|---|
| Vertical | Without tilting more than 10 degrees | 1-2 hours |
| Horizontal | Lying on your side or back | 4-8 hours |
| Winter transportation | Any position + frost | 4 hours + time for warming up |
| Strong shaking | Vertical, but uneven road | 3-4 hours |
Rules for transportation and bringing into the premises
Proper preparation begins even before the moment you think about switching on How you transported the refrigerator directly affects its recovery time. The ideal option is to transport it in an upright position with secure fixation. In this case, the compressor oil remains in place, and the risk of it getting into the cooling system is minimal.
However, situations often arise when it is impossible to transport large equipment vertically. When transporting lying down, it is important to follow the rule: you need to place the refrigerator only on a certain side, usually opposite the outlet of the compressor tubes. You can find out on which side a particular model can be placed in the instructions Indesit, LG or Beko.
When bringing it into an apartment, you should also not neglect accuracy. Sharp jerks and impacts cause oil to splash throughout the system. If you transported equipment in winter, let it stand in the packaging or just in the room for several hours so that the temperature of all parts is equal to room temperature. This will prevent the plastic elements from becoming brittle and moisture forming.
Step-by-step instructions: preparing for the first start
The required time has passed, the refrigerator has warmed up (if it was in the cold), and you are ready to turn it on. Don't rush to load products right away. There is a clear algorithm of actions that will ensure the correct start of the system.
First remove all shipping materials: tape, foam, protective film. Pay special attention to the internal fastenings - some models come with fixed shelves or drawers that need to be released. Wipe the interior surfaces with a soft cloth to remove dust accumulated during unpacking.
Place the refrigerator on a flat surface. Use a building level to check for levelness. The legs of the unit are usually height adjustable. This is important not only for stability, but also for the correct operation of the self-closing door system and oil distribution in the compressor.
☑️ Preparation for the first start
Only after all the preparatory steps have been completed and the waiting time has expired, you can insert the plug into the socket. Make sure that the outlet is grounded and meets the power requirements.
Nuances for different types of refrigerators
The modern market offers many modifications, and each has its own characteristics. Older models with conventional compressors are more demanding on settling time. New inverter models may be less sensitive to tilts, but it’s still not worth the risk.
Refrigerators with the system require special attention No Frost. They have a more complex air circulation system and many fans. Oil getting into the air passages or sensors can disrupt the operation of the automation. Therefore, for such models, it is better to increase the waiting time to a maximum of 6-8 hours.
⚠️ Attention: In refrigerators with two compressors (separately for the refrigerator and freezer compartments), the waiting time is calculated based on the longest oil return cycle, usually 4-5 hours.
If you have a model with a gas defrosting system or other specific functions, please refer to the manual. The manufacturer Samsung or Whirlpool can specify individual requirements for their flagship lines.
Frequent errors when first turned on
Many users, wanting to get results faster, make critical mistakes. The most common of them is loading products immediately after switching on. The refrigerator must run idle to reach the desired temperature and stabilize the mode.
Another mistake is setting the temperature mode to maximum immediately. A sudden start at full power puts excess stress on the compressor, which has already been stressed during transport. It is better to set average values, and after a few hours adjust them.
The smell of plastic is also often ignored. After the first turn on, it is inevitable, but if you put food in immediately, they can absorb extraneous aromas. Allow the equipment to “ventilate” for at least a couple of hours.
What to do if the refrigerator makes noise after turning it on?
A slight hum during the first hours of operation is normal. The oil is distributed throughout the system, and the compressor enters operating mode. If the noise does not subside after a day or is similar to knocking/grinding, contact service.
Checklist before loading food
Before filling the chambers with food, make sure that everything went well. After switching on, listen to the operation of the unit. The compressor should start smoothly, without sudden jerks or loud clicks.
Check the cooling. After 1-2 hours of operation, it should become noticeably cooler inside. The doors must close tightly and the seal must fit around the entire perimeter. If you smell burning or see sparking, immediately turn off the device.
⚠️ Attention: Technical characteristics and installation requirements may vary depending on the specific series of equipment. Always check the official user manual for your model.
Only after ensuring stable operation, you can gradually download the products. Do not fill the chambers completely on the first day, let the cold be evenly distributed throughout the entire volume.
Is it possible to transport a refrigerator lying down if there is no other option?
Yes, you can, but subject to strict rules. You only need to lay it on the side opposite the compressor tubes (usually the left side when viewed from behind, but it’s better to check the instructions). After such transportation, the waiting time should be at least 4-6 hours, and it is better to leave it overnight.
What will happen if you turn on the refrigerator immediately after transportation?
At best, nothing will happen, if you are lucky and the oil has not gone far. In the worst case, the compressor will suffer a water hammer, the piston will jam, or the winding will burn out due to operation without lubrication. Repair in this case is often not economically feasible.
Do you need to remove the shelves during transportation?
It is better to remove glass shelves and heavy drawers or securely fix them with tape so that they do not damage the insides of the camera when shaking. However, the design of the shelves itself should not be disturbed if they do not interfere with the closing of the doors.
How to understand that compressor oil has entered the system?
Signs may be: insufficient cooling when the compressor is running, an unusually loud sound of operation, long switching cycles without reaching the temperature. Only a technician with a pressure gauge can make an accurate diagnosis.
How long should you wait if the refrigerator was delivered in winter?
In this case, a double rule works. First, let it sit in a warm place for 3-4 hours to equalize the temperature of the case (so that there is no condensation), and then add time for the oil to drain (another 2-4 hours). Overall, it is better not to turn it on for at least 6-8 hours after bringing it into the house.