Quick Freeze function in LG refrigerators: principle of operation and settings

Modern LG refrigerators are equipped with many smart features designed to extend the shelf life of foods and preserve their nutritional value. One of the most popular options is the fast freezing mode, often marked on the control panel as Quick Freeze. Many users, when encountering this button for the first time, do not fully understand its purpose and are afraid to press it unnecessarily, for fear of spoiling equipment or food.

In fact, the use of this function is critical for the correct preparation of meat, fish and vegetables for future use. Quick Freeze allows you to create extremely low temperatures in the freezer in a short period of time. This helps to form microscopic ice crystals inside the cellular structure of the product, which prevents cell rupture during freezing and retains juice, taste and vitamins after defrosting.

In this article we will analyze in detail what exactly happens inside the compressor when the mode is activated, how long it should work and what nuances of operation there are. Understanding these processes will allow you to make the most of the capabilities of your LG refrigerator and enjoy fresh food all year round.

The principle of operation of the fast freezing mode

When you activate the function Quick Freeze, the compressor control algorithms go into maximum performance mode. Unlike normal operation, where the temperature is maintained in a given range with periodic pauses, here the cooling system operates continuously. This is necessary in order to remove heat from the newly loaded products as quickly as possible.

The main goal is to pass through the so-called “crystallization zone” of water in the products as quickly as possible. If freezing occurs slowly, the water has time to collect into large ice crystals, which destroy the tissue of meat or vegetables. Quick freezing in refrigerators LG creates conditions under which moisture freezes instantly, forming many tiny crystals invisible to the eye.

Technical nuance of the compressor operation

When Quick Freeze is activated, the system can ignore standard defrost cycles and operate at maximum power for up to 24 hours, after which it will automatically return to normal mode.

It is worth noting that in models with technology Linear Cooling this process is even more efficient due to precise temperature control. The system minimizes temperature fluctuations, which is a key factor for quality freezing. Thus, you get a product that, after defrosting, is practically no different from fresh.

When you need to turn on quick freezing

The mode Quick Freeze should not be used all the time, but only in situations where you need to freeze a large amount of fresh food. If you simply store already frozen semi-finished products, activating this function will be redundant and will lead to unnecessary energy consumption.

Optimal scenarios for turning on the mode:

  • 🍖 You bought a large amount of fresh meat or fish and plan to divide them into portions for long-term storage.
  • 🍓 The season has come berries, fruits or vegetables, and you want to prepare them for the winter, preserving maximum vitamins.
  • 🥟 You have prepared a lot of homemade dumplings, dumplings or cutlets and want to quickly “grab” them so that they do not stick together.
  • 🧊 You need to quickly get a large amount of ice for a party or receiving guests.

It is important to understand the difference between regular freezing and accelerated freezing. During normal operation of the refrigerator, the temperature drops gradually. If you place warm or room temperature foods in a large volume, they will cool slowly, which will negatively affect their structure. The function Quick Freeze solves this problem by creating a “shock” cold.

📊 How often do you use the fast freezing mode?
Daily
Once a week
Only on holidays
I don’t use it at all

This mode is also useful if you defrosted the freezer for cleaning and loaded food into it. In this case, it is necessary to quickly restore the temperature mode so as not to spoil the contents.

Instructions: how to activate and disable the function

The process of enabling the fast freezing mode may vary slightly depending on the specific model of your LG and the type of control panel (touch or push-button). However, the general algorithm of actions remains the same for most modern devices.

To activate the mode, follow these steps:

  • ❄️ Find on the control panel the button labeled Freeze or Quick Freeze (sometimes indicated by a snowflake).
  • ⏱️ Press and hold this button for 3 seconds until the corresponding indicator appears on the display.
  • 🔔 Make sure that the function indicator lights up (usually it is constantly on or flashing).

☑️ Check before starting Quick Freeze

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As for shutting down, in most cases the refrigerator LG does this automatically. Once the quick freeze cycle has completed (usually takes about 24 hours, but depends on the load), the appliance will automatically return to the standard temperature settings. If you need to turn off the function manually ahead of time, simply press the same button Freeze again or hold it until the indicator goes off.

⚠️ Attention: It is not recommended to load warm food into the freezer without first turning on the Quick Freeze mode, as this may lead to a temporary increase in the temperature of already frozen food stored nearby.

How long does the quick freezing cycle last?

The duration of the function Quick Freeze is an important parameter that worries many users. The standard algorithm laid down by the engineers LGis designed to work in enhanced mode for 24 hours. This time is enough to completely freeze even a large volume of fresh food to its core.

However, the actual time of intense compressor operation may vary. It depends on several factors:

  1. The volume of loaded products.
  2. Their initial temperature.
  3. The ambient air temperature in the room.
  4. The technical condition of the door seals.

After After the programmed time has elapsed (usually a day), the refrigerator automatically switches to an economical temperature maintenance mode. The indicator Quick Freeze extinguishes, signaling the end of the cycle. If you turn on the "idle" function without loading new products, it will still run a full cycle and then turn off.

This is due to the fact that the compressor and system fans No Frost operate at maximum speed. This is a normal phenomenon that does not require intervention.

The influence of the mode on electricity consumption

The use of the mode Quick Freeze inevitably leads to an increase in electricity consumption. Since the compressor operates continuously and at high power, energy consumption can increase by 1.5–2 times compared to normal operation of the refrigerator.

However, do not be afraid of this increase. Firstly, the mode is turned on rarely and works for a limited time (usually one day). Secondly, the quality of the frozen food is worth it. Properly frozen meat or berries retain their properties for months, whereas with slow freezing they can lose their taste and benefits after just a couple of weeks.

Comparison of compressor operating modes:

Parameter Normal mode Quick Freeze
Operation compressor Cyclic (on/off) Continuous
Cooling speed Low/Medium Maximum
Energy consumption Standard Increased
Noise Low High

If you use tariffs with day and night rates, it makes sense to plan to load products and turn on Quick Freeze at night, when electricity is cheaper and the noise of a running compressor will not disturb.

Common mistakes when use

Despite the simplicity of the function, users often make mistakes that reduce efficiency Quick Freeze. One of the most common mistakes is turning on the mode long before loading products. Although this will not harm the equipment, it will lead to wasted energy consumption, since the freezer compartment is already cooled.

The other extreme is to turn on the function after the food has already been in the chamber for several hours. In this case, the process of formation of large ice crystals has already started, and it is pointless to “catch up” with the temperature. The correct algorithm: first turn on Quick Freeze, wait about 30-60 minutes (until the chamber cools down to extreme values), and only then load the products.

It is also a mistake to violate packaging rules. Even the most powerful mode will not help if the products are not sealed. The system No Frost circulates dry air, which can quickly dry out the surface of unprotected meat or fish, creating a so-called “freezer burn.”

⚠️ Attention: Never fill the freezer with more than 2-3 kg of fresh food at a time, even with the Quick Freeze mode turned on. This can disrupt air circulation and lead to poor-quality freezing in the depths of the chamber.

Comparison with analogues from other manufacturers

The quick freezing function is present in most leading manufacturers of household appliances, but it can be named and operated differently. This function is often integrated into the overall temperature control system. Other brands have the following names and features: Function LG this function is often integrated into the overall temperature control system Smart Cooling.

Other brands have the following names and features:

  • ❄️ Samsung: Function Power Freeze. It works on a similar principle, freezing food in a short time. Some models also have a function Ice Max for accelerated ice production.
  • 🧊 Bosch/Siemens: Mode SuperFrost. It often has automatic shutdown, but in some models it requires manual shutdown, which users forget about.
  • 🌡️ Electrolux: Function Extra Freeze. Allows you to quickly freeze food using the maximum power of the compressor.

The main advantage of implementation in refrigerators LG often lies in more accurate electronics and the ability to fine-tune via the application LG ThinQ (in supported models). This allows you to control the freezing process remotely and receive notifications about the completion of the cycle.

When choosing a refrigerator, you should pay attention not only to the presence of the “Quick Freezing” button, but also to the freezing power, which is indicated in the technical specifications (kg/day). For modern models LG this figure is usually from 9 to 12 kg per day, which is an excellent result for long-term use.

Is it possible to leave the Quick Freeze mode on all the time?

Technically, the refrigerator will work, but doing so is strictly not recommended. The compressor will work non-stop, which will lead to rapid wear, significant waste of electricity and possible freezing of the evaporator, despite the No Frost system. Use the mode only when necessary.

Why does the refrigerator make a lot of noise after turning on Quick Freeze?

The increased noise is caused by the compressor operating at maximum speed and more intensive operation of the cooling system fans. This is a normal situation for high power mode. Usually, after a day, when the mode turns off, the noise level will return to normal.

Will food freeze in the refrigerator if you do not turn on Quick Freeze?

Yes, food will freeze in normal mode, but this process will take much longer. Slow freezing creates large ice crystals that damage the structure of the food. After defrosting, such products may lose juice, become flabby and less tasty.

How to understand that the Quick Freeze mode has turned off?

The end of the mode is signaled by the corresponding indicator on the control panel going off (the Freeze button stops lighting or blinking). In some models with a display, a corresponding message or sound signal may appear.