Moving to a new apartment or simply changing place of residence is often accompanied by the need to transport large household appliances. The refrigerator is one of the most vulnerable units on this list, as its internal structure requires special attention when moving. Many owners make a critical mistake, trying to immediately plug the cord into the socket after bringing a bulky box into the kitchen.
However, haste in this case can be very expensive. Compressor, which is the heart of the cooling system, is extremely sensitive to the position of the device while driving. The oil, which should be in the crankcase, actively moves through the system pipes during shaking and tilting. If you start the engine at this moment, you can cause its breakdown, which cannot be corrected by simple repairs.
That is why the question of how long the refrigerator should stand before turning on is paramount for the safety of the equipment. The waiting time directly depends on the ambient temperature, duration and method of transportation. In this article, we will analyze in detail all the nuances so that your equipment will serve for many years without failure.
⚠️ Attention: Ignoring the settling time can lead to water hammer in the compressor, since the liquid refrigerant oil does not have time to drain back into the crankcase.
Why you cannot turn on the refrigerator immediately
The main reason for the need for a pause lies in the design of the compressor. Inside this mechanism is compressor oilwhich lubricates the rubbing parts and helps remove heat. In normal operation it is located at the bottom of the unit. However, during transportation, especially if the refrigerator was tilted more than 40 degrees or strongly shaken, the oil is pushed into the system circuit - into the evaporator or condenser.
If you turn on the unit immediately, the oil that gets into the tubes will create a plug. The compressor will begin to operate in water hammermode, trying to push incompressible liquid. This creates a colossal load on the valves and piston group. In the best case, the device simply will not start due to the protection being triggered; in the worst case, mechanical destruction of the components will occur.
In addition, when a cold compressor is abruptly started after transportation in winter, condensation may form inside the electrical circuit. Moisture on the contacts causes a short circuit. Therefore delayed start timer in the form of a simple wait is not a whim, but a technical necessity for stabilizing all physical processes inside the case.
The influence of the season on the settling time
Air temperature is a key factor that determines how quickly the oil will return to the crankcase and condensate will evaporate. The physical properties of liquids and gases change depending on heat, so the approaches to summer and winter transportation are radically different.
In the warm season, processes proceed faster. The oil has a lower viscosity and flows more easily through the tubes back into the compressor. However, even in summer a pause cannot be neglected. The minimum time that you need to wait is 2 hours, but it is better to aim for 4 hours, especially if the journey was long.
Winter transportation is a separate risk scenario. In the cold compressor oil thickens, becoming like honey or even a solid substance. If you bring a frozen refrigerator into a warm place and immediately turn it on, the thick oil will not have time to spread, and the mechanism will run dry. In addition, a sharp temperature change causes abundant condensation.
Depending on the method of transportation
Not only the weather affects the waiting time. Exactly how you transported the refrigerator - standing, lying down or in special packaging - plays a decisive role. With vertical transportation, the risks are minimal, but with horizontal transportation, oil is guaranteed to flow into the circuit.
Let's consider the main scenarios:
- 🚛 Vertical transportation: If the unit was transported strictly vertically, without strong tilts, 2-3 hours are enough to stabilize the pressure and spread the oil.
- 📦 Horizontal transportation (lying down): This is the riskiest option. Oil flows freely into the evaporator. A maximum standing time is required - from 6 to 12 hours for gravity to do its job.
- 🏗️ Transportation with a strong slope: If the tilt angle exceeded 40 degrees, equate this to horizontal transportation. The risk of oil getting into the system is high.
It is also worth considering the condition of the roads. Shaking on primer or poor asphalt promotes emulsification of the oil - it mixes with the coolant, forming foam. Such a mixture needs more time to separate and return to its original state.
⚠️ Attention: Manufacturers often indicate in the instructions the exact settling time for a specific model. If the documentation has been preserved, priority is given to the recommendations of the manufacturer.
Table of recommended waiting time
For ease of perception of information, we have systematized the data in a table. It will help you quickly figure out how much time you need to allocate for resting your equipment depending on the conditions.
| Conditions of transportation | Season | Minimum laying time | Optimal time |
|---|---|---|---|
| Vertical, without shaking | Summer | 2 hours | 3-4 hours |
| Vertical, without shaking | Winter | 4 hours | 8-12 hours |
| Horizontal (lying) | Summer | 6 hours | 12 hours |
| Horizontal (lying) | Winter | 8 hours | 24 hours (fully warmed up) |
| Strong tilt (>40°) | Any | 6 hours | 12 hours |
Please note that the specified time intervals are the minimum required for startup. If you have the opportunity to wait longer - for example, leave the refrigerator for a day before turning it on for the first time - this will in no way harm the device, but will only increase the reliability of its operation.
Proper preparation for the first start
The required time has passed, the refrigerator has settled, and now it is important to correctly carry out the procedure for the first start. Don't just plug the cord into the network. There is an algorithm of actions that will help ensure that the equipment is in good working order.
First, you need to conduct an external inspection. Make sure there are no dents on the case and that the rear grille (condenser) is not deformed. Check the integrity of the power cord. Then remove all packaging, tape and protective films. Pay special attention to the internal fastenings - if you transported the refrigerator with the compressor fixed inside (shipping bolts), they must be removed.
☑️ Preparation for switching on
Next follows the defrosting stage if the equipment has been in the cold. Even if you waited 24 hours, there might still be moisture left inside. The doors must be open for 1-2 hours before turning on, so that the smell of new equipment disappears and possible condensation evaporates.
An important point is level installation. Refrigerator must stand steadily, without distortion. If the door is skewed, it may not close tightly, which will lead to constant operation of the compressor and its rapid wear. Use adjustable legs to set the horizon.
What to do if the shipping bolts are lost?
If you unscrewed the bolts that secure the compressor during transportation, but lost them, don’t worry. They are not needed during operation. The main thing is not to screw them back in, since in working condition the compressor must hang on the shock absorber springs.
First hours of operation and diagnostics
After you have turned on the device, do not rush to load it with products. An empty refrigerator should run idle for at least 2-4 hours. This is necessary so that it reaches operating temperature and the automation turns off the compressor.
During this cycle, listen to the operation of the unit. Quiet humming and periodic gurgling of freon in the tubes is allowed. However, extraneous knocking, grinding or excessively loud noise should alert you. If the compressor hums but does not start, or runs continuously for more than an hour without cooling the chambers, this is a sign of a malfunction.
Check the housing heating. The side walls may become slightly warm - this is normal operation of the capacitor. But if it’s so hot that you can’t touch it with your hand, or, conversely, the compressor is icy, but there’s no cold, you need to call a technician.
⚠️ Attention: If after switching on the plugs are knocked out or the circuit breaker in the panel is triggered, immediately turn off the device. Restarting without diagnostics can lead to a fire.
Frequent errors during operation after moving
Even observing the standstill time, users often make other mistakes that nullify all precautions. One of the most common is loading warm products immediately after startup. This puts a huge load on the compressor that has just started working.
Another mistake is installing the refrigerator close to the wall or in a niche without gaps. Free space is required for air circulation around condenser . If the heat exchange is disrupted, the equipment will wear out.
It is also not recommended to wash the internal shelves with hot water immediately after delivery if the refrigerator was in the cold. A sudden change in temperature can lead to cracks in the plastic or tempered glass of the shelves.
Is it possible to transport the refrigerator plugged in?
Absolutely not. Transporting a working refrigerator is technically impossible and dangerous. The compressor is not designed to operate during shaking and tilting, and the power cord will create a risk of short circuit.
What will happen if you turn on the refrigerator 1 hour after winter transportation?
There is a high probability that the thick oil will not have time to return to the crankcase, and the compressor will be damaged due to operation without lubrication or water hammer. The wiring may also burn out due to condensation.
Is it necessary to defrost the refrigerator before transportation?
Yes, definitely. The presence of ice and water inside will increase the weight, create a risk of leakage and damage the insides when shaking. Defrost, wash and dry the unit before the loaders.
Does the brand of the refrigerator affect the settling time?
In principle - no. The physics of the compressor operation is the same for Indesit, LG or Turks. However, in modern inverter models, the requirements for oil quality and system cleanliness may be higher, so it is better to withstand the maximum period.