Where is the thermostat in the Biryusa refrigerator: instructions with photos and repair tips

The thermostat (or thermostat) is a key element of the refrigerator Biryusa, responsible for maintaining the set temperature. When it fails, the compressor either runs without stopping or does not turn on at all. But before you look for a fault, you need to know exactly where is the thermostat in your model. Its location depends on the year of manufacture, modification and type of control (mechanical or electronic).

In this article you will find detailed diagrams for popular series Biryusa (from Biryusa-3 to modern BSK i B130), learn how to dismantle it for inspection or replacement, and also get practical advice on diagnostics. If your refrigerator has stopped freezing, makes uncharacteristic sounds, or vice versa - works without interruption, the reason most likely lies in the thermostat.

⚠️ Important: Before any manipulations with the electrical components of the refrigerator be sure to disconnect it from the network. Even when turned off, residual voltage may remain on the boards.

1. Where to look for a thermostat: general principles

In most models Biryusa the thermostat is located inside the refrigerator compartment, but its exact location depends on the design. Here are the main options:

• 🔹 Old models (until 2010, for example, Biryusa-3, Biryusa-6): the thermostat is installed on the back wall of the chamber, under the plastic cover next to the lighting lamp.
• 🔹 Modern single-chamber (BSK, B110): the thermostat is hidden behind a decorative panel on the ceiling of the chamber or in the upper corner on the right.
• 🔹 Two-chamber models (B130, B140): there may be two thermostats - separately for the refrigeration and freezer compartments. The main one is usually located in the refrigerator compartment.
• 🔹 Models with electronic control (Biryusa-22, Biryusa-26): instead of a mechanical thermostat, a temperature sensor is used, connected to the control board (located behind the front panel).

If your refrigerator belongs to the series Biryusa-Comfort or Biryusa-Lux, most likely the thermostat is hidden behind a plastic cover on the top of the back wall of the chamber. In models with a system No Frost (for example, Biryusa-139), the thermostat can be integrated into the fan control unit.

⚠️ Attention: In refrigerators Biryusa manufactured after 2018 with a display on the door, the thermostat is often replaced with an electronic sensor. Replacing it requires soldering work or flashing the board - without experience, it is better to contact the service.

2. Step-by-step instructions: how to find the thermostat in the Biryusa refrigerator

Let's consider the process using the example of a popular model Turk B130 (two-chamber). For other series, the actions will be similar, but the fastening details may differ.

Step 1. Unplug the refrigerator and empty the top shelf in the refrigerator compartment. The thermostat is usually located next to the lighting lamp.

Step 2. Remove the plastic cover on the ceiling of the chamber. It is attached with latches or self-tapping screws (a Phillips screwdriver may be needed). In some models, the cover moves to the side.

Step 3. Under the cover you will see:

• 💡 Lighting lamp (you can leave it alone).
• 🔧 Plastic thermostat housing with switch handle (in mechanical models).
• 🔌 Wires going from the thermostat to the compressor and relay.

Step 4. Carefully disconnect the terminals (memorize or photograph their location!) and remove the thermostat from the mount. In some models, it is fixed with a screw.

Unplug the refrigerator from the outlet

Release the top shelf

Remove the decorative cover (the screwdriver may not needed)

Take a photo of the wire connection

Disconnect the terminals and remove the thermostat -->

3. What the thermostat looks like: photos and diagrams

The appearance of the thermostat depends on the model of the refrigerator. Here are the main options:

The photographs below show typical thermostats for Biryusa:

(There could be images here, but we will describe the details in text format:)

• 📸 K-59: round plastic case with a diameter of ~5 cm, adjustment knob with marks, 4 contacts (two thick for power, two thin for the sensor).
• 📸 TAM-133: rectangular body, knob with the inscription "Colder/Warmer", 6 contacts (used in dual-chamber models).
• 📸 Electronic sensor: small cylinder (the size of an AA battery) with two wires, often wrapped in heat-shrink tubing.

⚠️ Attention: On models Biryusa s system No Frost the thermostat can be hidden behind the rear panel of the freezer. To gain access, you will have to defrost the refrigerator and remove the inner lining.

4. How to check the thermostat for functionality

If the refrigerator does not turn on or, conversely, works without stopping, the first thing you need to do is test the thermostat. Here are two diagnostic methods:

Method 1. Check with a multimeter (for mechanical thermostats)

1. Remove the thermostat (as described above).
2. Switch the multimeter to resistance test mode (200 Ohm).
3. Connect the probes to contacts 3 and 4 (usually they are labeled or you can find a diagram for your model).
4. Turn the thermostat knob:
   • 🔄 In position 0 (off) the resistance should tend to infinity (open circuit).
   • 🔄 In position 1-7 the resistance should be ~0 Ohm (closed circuit).

If the resistance does not change, the thermostat is faulty.

Method 2. Direct connection of the compressor (for experienced ones)

Disconnect the wires from the thermostat and connect them directly, bypassing the regulator. If the compressor starts working, the problem is in the thermostat. Be careful: with this connection, the compressor will work without stopping, which can lead to overheating. Do not leave the refrigerator on for more than 10 minutes!

5. Replacing the thermostat: step-by-step guide

If diagnostics confirm a malfunction, the thermostat must be replaced. For this:

Step 1. Buy a similar thermostat. For Turks suitable:

• 🛒 K-59 — for single-chamber models (BSK, B110).
• 🛒 TAM-133-1M — for two-chamber (B130, B140).
• 🛒 Danfoss 077B6 - universal analogue for modern models.

⚠️ Attention: When purchasing, check whether the thermostat is suitable for your model. For example, Biryusa-22 requires a sensor with a different connector than Biryusa-6.

Step 2. Install a new one thermostat:

1. Connect the wires to the new thermostat in the same orderas they were connected to the old one (use the photo taken earlier).
2. Fix the thermostat in the seat (with a screw or latches).
3. Replace the decorative cover.
4. Connect the refrigerator to the network and check the operation (the compressor should turn on and off at intervals of 10-20 minutes).

Step 3. Adjust the temperature. After replacing the thermostat, calibration may be required. In mechanical models, turn the knob to the middle of the scale. (usually position 3), in electronic ones - reset the settings to factory settings (press the button Super or Reset for 5 seconds).

What to do if after replacing the refrigerator does not turn on?

1. Check that the wires are connected correctly (a common mistake is that phase and zero are mixed up).

2. Make sure that the new thermostat is compatible with the model (for example, K-59 is not suitable for Biryusa with No Frost).

3. Check the fuse on the compressor - it may have burned out. in case of a short circuit.

4. If nothing helps, the problem may be in the start relay or the compressor itself.

6. Common mistakes when replacing the thermostat

Even experienced technicians sometimes make mistakes that lead to repeated breakdowns. cannot be done:

• ❌ Use a thermostat from another one. brand (for example, from Atlanta or IndesitaEven if the connectors match, the temperature calibration may not work, and the refrigerator will either overfreeze or underfreeze.
• ❌ Forget about it. tightness. After installing the new thermostat, make sure that the sealing rubber (if any) fits tightly, otherwise moisture will get on the contacts, which will lead to corrosion.
• ❌ Ignore checking the defrost sensor. In models with No Frost in addition to the thermostat, the defrost sensor often fails. If you do not replace it, the new thermostat will not last long.
• ❌ Connect the wires “by eye”. phase and zero can damage the compressor. Always check the diagram or photograph!

⚠️ Attention: In refrigerators Biryusa with electronic control (for example, Biryusa-26) replacing the thermostat may require resetting errors in service mode menu. To do this:

1. Press and hold the buttons Super + Fridge 5 seconds.
2. In the menu, select the item rSt (Reset).
3. Confirm the reset with the button OK.

7. thermostats

To avoid making a mistake when choosing a spare part, use the compatibility table for popular models:

🔍 If your model is not listed in the table, find the thermostat marking on its body (for example, TAM-133-1M-15) and look for a replacement using this code.

8. When is it better to contact the service

Not all thermostat failures can be repaired yourself. Contact a specialist if:

• 🔧 Your refrigerator Biryusa is equipped with an electronic control unit (with a display or touch buttons). Replacing the sensor requires diagnostics of the board.
• 🔧 After replacing the thermostat, the compressor does not turn on, but there is voltage at the contacts (checked). multimeter). This may indicate a malfunction of the start relay.
• 🔧 The refrigerator makes loud clicks or hums, but does not freeze. There may be a freon leak or the compressor is jammed.
• 🔧 In models with No Frost the fan does not work or there is ice. forms too quickly. The problem may be in the defrosting system.

The cost of replacing the thermostat in the service for Turkish ranges from 1,500 to 3,500 rubles (depending on the model and region), it is better to entrust the repair to a professional - it is cheaper than repairing the consequences of an incorrect connection.

⚠️ Attention: In refrigerators Biryusa manufactured before 2005 (for example, Biryusa-1K), thermostats are often combined with a protection relay. When replacing such a unit, the pressure in the system must be adjusted - this can only be done by a technician with the equipment.

FAQ: Frequently asked questions about thermostats in Biryusa refrigerators

Is it possible to repair the thermostat, or only replacement?

Mechanical thermostats (for example, K-59) are not repaired - they are only replaced. Electronic sensors in rare cases can be restored (if the problem is in oxidized contacts), but usually replacement is also required.

How to understand that it is the thermostat that is broken and not the compressor?

If the compressor does not turn on at all, check:

1. Is there voltage at the thermostat terminals (should be 220V when the refrigerator is on).
2. Does the relay click when you turn the thermostat knob (if so, the compressor may be working).
3. Does the compressor heat up? (if yes, but it does not start, the problem is in the start relay).

If there is voltage at the thermostat, but does not flow to the compressor, the thermostat is faulty.

Where to buy a thermostat for Biryusa?

Spare parts can be found:

• 🛒 In specialized stores (for example, "Spare parts for refrigerators").
• 🛒 On marketplaces (Wildberries, Ozon, AliExpress) - search by article.
• 🛒 In service centers Biryusa (they often they sell original parts).

The cost varies from 500 (China) to 2500 rubles (original).

What to do if after replacing the thermostat the refrigerator freezes too much?

Possible reasons:

• The wires are connected incorrectly (the sensor contacts are mixed up).
• The new thermostat has a different calibration (you need to select an analogue with the same marking).
• The maximum position of the knob is set (turn it to 2-3).

It is possible Is it possible to temporarily operate a refrigerator without a thermostat?

Technically yes, but highly not recommended. If you connect the wires directly, the compressor will work without stopping, which will lead to:

• 🔥 Overheating and failure compressor.
• ❄️ Icing of the evaporator (in models without No Frost).
• ⚡ Increased energy consumption.

Maximum - can be connected for 1-2 hours to preserve food, but no longer!