Buying a new refrigerator is always a joyful event, marking the renewal of household appliances in the kitchen. However, the euphoria of the purchase can give way to anxiety when the question arises about the correct connection, because German engineering requires a special approach to installation.
Refrigeration equipment Liebherr is famous for its reliability and complex electronics, which requires compliance with strict rules when first started. Incorrect installation can lead to compressor failure or incorrect operation of the NoFrost system, so it is important to carefully study each stage of preparing the unit for operation.
In this article we will analyze in detail the connection process, from unpacking to the first freezing of products. You will learn why you cannot turn on the device immediately after delivery, how to set the horizontal level and what parameters need to be configured in the digital display for economical operation.
Preparatory stage and unpacking of equipment
The first thing to do after delivering the box to the apartment is to let it warm up to room temperature, especially if the transportation was carried out in the cold season. A sudden change in temperature can cause condensation inside electrical circuits, which can result in a short circuit when plugged in.
Carefully remove the packaging cardboard and remove all fixing elements, including tape and foam inserts. Pay special attention to the inside of the camera: there may be shelves, drawers and documentation that the manufacturer packed to save space.
- 📦 Check the integrity of the case for dents and chips.
- 📄 Find the warranty card and user manual.
- 🧊 Remove all internal shelves and trays for washing.
It is important to remove all shipping stickers from the inside of the doors and from the seals. If left on, the adhesive tape will dry out over time and begin to crumble, contaminating food or preventing the door from sealing tightly.
Selection of installation location and ventilation requirements
The location of the refrigerator plays a critical role in the efficiency of its operation and the longevity of the compressor. German engineers Liebherr design equipment with certain thermal gaps in mind, ignoring which will lead to overheating of the condenser.
Do not install the unit near heat sources such as radiators, ovens or in direct sunlight. The minimum distance from the back wall to the wall should be at least 5-7 centimeters for free air circulation.
⚠️ Attention: Installing the refrigerator in a niche without maintaining ventilation gaps can lead to an increase in energy consumption by up to 30% and a reduction in the service life of the compressor.
If you plan to build the refrigerator into a kitchen unit, Make sure the model you choose is built-in. Freestanding models require more space on the sides and top to dissipate heat.
Shipping bolts and cabinet alignment
One of the most common mistakes is forgetting the shipping tray or bolts that must be removed before use. In some models, the compressor may be fixed with springs or bolts that need to be loosened or removed according to the instructions.
Leaving the refrigerator is not just a matter of aesthetics, but a technical necessity for the correct operation of the self-closing door system. If the body is tilted, the door may not fully adhere to the seal, causing ice to freeze.
Use a building level to check the horizontal position. Adjustment is carried out by rotating the front support legs. This usually requires the key included in the delivery kit, or a regular adjustable wrench.
☑️ Check before leveling
The door should open freely and close on its own under the influence of gravity if you open it about 30 degrees. If this does not happen, you need to slightly increase the forward angle of the body by tightening the front legs.
Connecting to the electrical network and grounding
Refrigerators Liebherr are energy-intensive devices, so the requirements for electrical wiring must be high. It is strictly forbidden to use extension cords, tees and adapters, as they may not withstand the starting currents of the compressor.
The socket must be installed in close proximity to the device so that the power cord is not strained. Grounding is required, since modern electronics are sensitive to static electricity and voltage drops.
| Network parameter | Required value | Tolerable deviation |
|---|---|---|
| Voltage | 220-240 V | ± 10% |
| Frequency | 50 Hz | ± 2% |
| Current strength | 10 A (min) | No restrictions |
If power surges frequently occur in your home, it is recommended to install a high-quality stabilizer or surge protector. This will protect electronic control module from combustion and preserve food in the event of an emergency power outage.
First start-up and setting of temperature modes
After the refrigerator has stood in a vertical position for at least 2-4 hours (or better yet a day), you can proceed to the first inclusion. Insert the plug into the outlet and press the power button on the control panel or inside the camera.
Modern models are equipped with a digital display, which can show the factory settings immediately after turning on. You will need some time to set the optimal parameters for your needs.
- ❄️ For the refrigerator compartment, the optimal temperature is +4...+5°C.
- 🧊 In the freezer compartment, the value should be set to -18°C.
- 🍺 In the BioFresh zone (if available) the temperature about 0°C is ideal for meat and fish.
Do not immediately load the chambers with a large amount of warm food. It is better to let the unit enter the no-load mode so that the compressor works the first cycle and turns off.
Setting up smart functions and SuperFrost mode
Many models Liebherr equipped with the function SuperFrost or SuperCool, which allows you to quickly freeze large quantities of food or cool the chamber before loading. This mode can be activated via the touch panel.
When turned on SuperFrost the compressor runs continuously for a certain time (usually up to 65 hours) until you manually turn off the function or it resets automatically. This is useful when you have brought a lot of food from the store.
⚠️ Attention: Long-term operation in super freezing mode unnecessarily leads to increased wear on the compressor. Use this function only when the camera is fully loaded.
If your model supports Wi-Fi connection and app control SmartDeviceBox, now is the time to pair with your smartphone. This will allow you to remotely control the temperature and receive notifications about open doors.
Maintenance and control of operation after installation
On the first day of operation, listen carefully to the refrigerator. A slight gurgle of refrigerant and the occasional hum of the compressor are normal sounds. However, grinding, knocking or continuous vibration should alert you.
Check the tightness of the seals around the entire perimeter of the door. To do this, you can use a simple test with a sheet of paper: clamp the sheet between the door and the body, it should be removed with noticeable force.
Check for condensation or ice formation regularly. If you notice water on the floor or an ice crust on the back wall, the operating rules may have been violated or adjustments to the settings are required.
Frequent errors during self-installation
Users often neglect the instructions, relying on experience in operating other equipment. However Liebherr has its own design features, ignoring which leads to problems.
One of the main mistakes is installing the refrigerator on a soft floor without leveling stands. This causes distortion and vibration, which is transmitted to the entire body and adjacent furniture.
What to do if the refrigerator makes noise after installation?
If noise appears after installation, check whether the refrigerator pipes are touching the wall or furniture. Also make sure that all transport elements have been removed and the legs are firmly attached to the floor.
Another mistake is placing the refrigerator in an unheated room (balcony, garage). The climatic class of the device must correspond to the ambient temperature, otherwise the oil in the compressor will thicken and it will fail.
Questions and answers (FAQ)
How long is it impossible turn on the Liebherr refrigerator after delivery?
If transportation was vertical, 2-3 hours are enough to stabilize the oil. If horizontal, it is recommended to wait at least 12-24 hours.
Why are the side walls of the refrigerator warm to the touch?
This is normal. In modern models, capacitors (heat exchangers) are built into the side walls of the case, so they heat up during the process of heat removal.
How to properly wash a new refrigerator before use?
Use a warm solution of baking soda or a mild detergent. Do not use abrasive powders or solvents, which can damage plastic and rubber seals.
What does a flashing temperature indicator mean?
Flashing usually indicates that the temperature inside the chamber has risen above the permissible limit. Check whether the door is tightly closed and whether you have loaded too much warm food.