Technological instructions for the operation of climate control on Lada Vesta

Lada Vesta is a representative of passenger cars produced by AvtoVAZ OJSC, and its comfort is determined by the ability to maintain optimal temperature conditions in the cabin. The climate control on the Lada Vesta is also responsible for heating the windshield. The first reviews from sedan owners emphasized the advantages and noted the disadvantages of climate control. Read the article and find out how the air conditioner works on Vesta.

Climate control operating modes on Lada Vesta

Climate control on the Lada Vesta has two modes of operation: automatic and driver-controlled.

Climate control

Manual

Manual control has the following functions:

Ventilation in the legs;
Blowing the glazing of the interior and legs.

It is now possible to use functions using heating:

Leg;
Blowing windshield and side windows;
Ventilation of the leg area;
The climate control system has the ability to direct hot air flow to the windshield.

Auto

When you press the AUTO key, the control unit independently not only supplies the desired air temperature to the Lada’s interior, but also controls:

Air flow speed with the value displayed on the display;
Distributes air flows through certain deflectors;
Controls the temperature of the supplied air;
Depending on the environment, it switches on recirculation and air conditioning modes.

You should know that you cannot use a closed air intake damper for a long time, as in this case the windows will fog up and an unpleasant odor will appear in the cabin, and the driver may experience oxygen starvation, which will lead to an emergency.

Checking heating efficiency

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We start the engine and warm it up to operating temperature. We check that the inlet and outlet pipes of the heater radiator are heated and have approximately the same temperature. If the pipes have different temperatures, then it is possible:

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low coolant level in the expansion tank (which antifreeze is better)

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An air lock has appeared in the engine cooling system (air can be released through a special valve)

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Heater radiator clogged (replace)

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We install the temperature regulator on the stove control unit all the way to the red zone. We make sure that the temperature of the air leaving the panel deflectors begins to rise. If it blows cold, it means:

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the damper drive is faulty (the damper does not open, preventing air from passing through the heater radiator)

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The heater control unit is faulty (how to remove)

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Disadvantages identified during operation

Despite the fact that the car with an air conditioning system entered the market quite recently, some comments have already appeared in the work. Having systematized reviews of the Lada Vesta with climate control, we can highlight the following main disadvantages:

The central vents have a limited range of adjustment;
Turning on the air conditioner is accompanied by an incomprehensible crunching and rustling sound;
The system is not very efficient in summer; it supplies cool air, but it is desirable to have cold air;
The installation step should be 0.5 0 C, but now there is a step of 10 0 C, which is not enough to ensure comfortable conditions;
The dampers crunch when switching them;
The feet are blown not into the shoe area, but slightly higher, which is bad in severe frosts;
It is inconvenient to turn on the heated windshield, rear windows and side mirrors with one switch.
When turned on in severe frosts, uneven heating occurs; the rear one warms up much earlier than the front one. This defect can be eliminated by reprogramming the on-board computer. In Lada Vesta, when the MAX function is turned on, increased airflow is installed not only on the windshield, but also on the air conditioner. The default is the maximum temperature of the latter.

Air conditioner prevention

Before turning on the air conditioner for the first time after purchasing a car, as well as after a break in operation of the air conditioner for 60
days or more
, regardless of the external operating conditions and time of year, it is recommended to carry out preventive maintenance of the air conditioning system:

start and warm up the engine until the idle speed stabilizes, the air conditioning should be turned off;
turn on the fan at 6th speed;
set the minimum cooling temperature;
select the direction of air flow “into the face”;
turn on recirculation;
turn on the air conditioner and let it run for at least 5 minutes at an engine speed of no more than 1200 rpm.

When operating the vehicle in the cold season (winter)

It is recommended that at least once a month at positive outside temperatures (in a warm room, but not lower than +2 °C), preventive maintenance of the air conditioning system according to the algorithm described above.

Modern climate control

Equipping the Lada Vesta with climate control opens up unique opportunities for drivers. After all, there is no need to enter parameters manually. When the automatic mode is activated, several parameters on the terminal are controlled.

The climate control includes a modern electronic unit. It is designed to monitor and control the temperature range inside the car and in the environment. After comparing the characteristics, the unit determines in what mode the air conditioning, ventilation system and heating will operate.

The climate control on the Lada Vesta differs in that there are two methods for adjusting the parameters.

Manual mode

This mode is distinguished by the following functionality:

Air supply to feet, side and windshields.
Ventilation.
Supply of hot air to the foot area, onto the windows.

Auto mode

If you select the automatic mode of operation of the Lada Vesta climate control, then the included control unit will control:

Air temperature in the cabin.
The speed of movement of air masses.
Air supply and temperature level.

The climate control system independently determines the appropriate mode: air conditioning, recirculation.

Valve and evaporator design features

The evaporator is located in the air conditioner unit and is presented in the form of aluminum tubes with fins. The latter elements improve heat transfer. When the cabin fan turns on, air masses blow through the evaporator tubes. The air, cooling, flows into the cabin. At the bottom of the evaporator there is a tray and a drainage hole, which is designed to remove excess moisture from the interior of the Lada Kalina. Therefore, this hole must be free.

Another equally important element of the air conditioning system is the thermostatic valve, which is located in the evaporator housing. The refrigerant, passing through the hole, reduces the pressure and begins to boil. The valve body has a control element that changes the flow area of the hole taking into account:

If during the repair or replacement of parts of the air conditioning system at least 1 unit was opened, the receiver must be replaced with a new one. Otherwise, when charging the system, the refrigerant will not be drained. Acids can form inside the air conditioner, destroying parts of the main device.

Pipelines are used to combine all elements of the system into a single circuit. They are made of aluminum alloys. The manufacturer Kalina recommends protecting metal sections of pipelines from kinks and dents. Otherwise, the performance of the air conditioning system will be reduced. Moving parts in certain areas have synthetic inserts.

In those places where the pipeline is connected, an O-ring is installed. When repairing an air conditioner in the event of disconnection of sections of pipelines, the O-rings are replaced with new parts. If the pipeline connection is presented in the form of a thread, it is tightened to a certain point. It must be taken into account that excessive or weak tightening can lead to deformation of the sealed areas and leakage of refrigerant.

Benefits of installing climate control

What benefits did car owners receive after installing a climate system?

The set temperature regime is maintained automatically. If necessary, the control unit adjusts the set mode. Manual adjustment is not necessary.
The system includes an efficient electronic unit. It makes it easy to set temperature changes. Therefore, cooling and heating are carried out quickly.
Car drivers concentrate on the road and maneuver. The temperature or air supply is not adjusted. All these actions are performed automatically. If necessary, reprogram the control unit.
Functions such as heating and cooling are turned off automatically when they are not needed. As a result, fuel costs are reduced and the load on the generator and power unit is reduced.
When using a properly functioning system, the likelihood of freezing of windshields and side windows is reduced. After all, if necessary, warm air is supplied to the surface.

Search and fix

1.Check the pressure in the system, if it is below the permissible level of 2 bar, the air conditioner may work, however, the air will be warm or not cool enough. 2. It also happens that the ambient temperature is less than +3 degrees Celsius, because when the minimum temperature threshold is reached, the air conditioner stops cooling. 3. Check the clutch fuse in slot F24 and relay K12. Carry out a visual inspection; the fuse must be intact and its seat must not have signs of oxidation or other abnormalities. Try wiggling the relay and if that is the problem, the air conditioner may start working. But keep in mind that if this was the reason, then it is worth carrying out repairs, otherwise the working relay may fail at the most inopportune moment. 4. The clutch may have burned out, and the air conditioner refuses to work because of this. If the compressor itself jams, specific clicks will be heard and the clutch will rotate freely. 5. If the air conditioning works but does not produce warm or hot air, then the cause may be a low freon level. This happens when there is leakage through loose connections. In this case, a special liquid is poured into the system, which glows when exposed to UV rays. The leak is detected and corrected, and then the system is refilled with freon.

If troubleshooting the air conditioner does not produce results, I advise you to contact specialists; if they have the necessary special equipment, they can easily find the cause and quickly eliminate it.

We wash Kalina's air conditioner video

What shortcomings have been identified?

Although the Lada Vesta car with climate control went on sale not so long ago, drivers and craftsmen have identified several shortcomings. You need to familiarize yourself with them in advance so that there are no problems during use.

The flaps that move when the system is running are a bit crunchy. Therefore, inexperienced drivers may be wary. Their condition is periodically checked in order to prevent deterioration of the climate system and its rapid failure.
The heated warm air mass is directed slightly higher than the pedals. It is not profitable to install air ducts this way, since the frosts in our country are quite severe.
The blowing and heating of the rear windshields is uneven. Therefore, the ice crust from the rear window comes off faster. Therefore, acceptable visibility is not ensured. It is problematic to make appropriate changes to the settings of a unit such as air conditioning or climate control. Only responsible professionals can handle this.
The central deflectors included in the composition have a small range for adjustment. This introduces certain restrictions.

In order to successfully use the climate control installed in the Lada Vesta car, you need to study the purpose of the control unit and buttons. After all, how effective the device will be depends on the correct use of the buttons. Therefore, in some cases, the help of a master or specialist may be required.

Video about climate control of Lada Vesta

Lada Vesta entered the Russian open spaces. The creators of this car presented many convenient options, promising a comfortable ride for the driver and passengers. Among other things, they promised climate control, which is already commonplace for foreign cars.

The first sales of Vesta have long passed, but the promised innovation has not yet appeared in the showroom. The factory installs a standard set - a heater for the cold season and an air conditioner for the hot season. It was decided to postpone the introduction of the combined system a little, but it will be introduced into the Lada Vesta, according to the plant management, without fail.

Solution

If you discover this failure of the Vesta air conditioner, you must go to the dealership. Such a defect must be recognized as a warranty case. As a result, the tube will be ordered and replaced. However, there is also an unpleasant moment - usually these tubes take a very long time to get to the dealership center (although not always). So don’t be surprised if you have to wait about a month for the part to arrive.

It is recommended to additionally secure the tube with clamps

Also, car owners who are faced with the problem of a Vesta air conditioner breakdown, after it was resolved at a Lada dealership, additionally fix the tube to the body using plastic clamps for greater reliability.

The current configuration is heat-cold in manual mode

On models currently being produced, even in the “sophisticated” modification of the Lada Vesta, the driver must manually switch the heating or cooling modes. This is manual climate control. To maintain the desired temperature, a complex consisting of a “stove”, an air conditioner and a fan is used. The mode control panel is located on the center console just above the gearshift lever.

The panel interface on currently produced Vesta cars is clear and easy to master in a few steps. The left handle (vernier) regulates the temperature of the air supplied to the cabin. Switching from heater to air conditioner is done by simply pressing this vernier. By turning the right knob you can change the fan modes. When you press it, air recirculation is turned on or it switches to natural air flow.

Via PC

How to activate the function:

Run ddt4all. Select a port. Select an adapter. Check the box and click Connect.
In the window that opens, click the button marked with a circle (with a magnifying glass).
Select search by CAN.

We set the values in the left windows, as shown in the photo below.
In the right window we find the parameter “CL_CountryCfg”
Change the values (1-hot climate with a gradual change in temperature (default); 2-hot climate with a sharp change in temperature; 3-temperate climate; 4-cold climate)
Enable Expert mode (in the menu at the top, second icon from the left).
Save with the “CL_CountryCfg” button, which is located to the right of the zone number.

What are the different modifications equipped with?

The equipment of the air conditioning system depends on the configuration of the Lada Vesta. We present the changes as the model becomes more complex.

Only the simplest model – CLASSIC with a manual transmission – does not have air conditioning.
From the COMFORT model, seat heating for the driver and front passenger has been added to the options.
From the COMFORTOPTIMA model, a heated windshield is added to the air conditioning in the car.

As climate options increase gradually from model to model of Lada Vesta, the buttons on the control panel are also activated. The maximum will be reached by the middle of the list.

What the control panel will look like in the future

When climate control is installed on the Lada Vesta, the general appearance of the control panel will remain the same. However, the content will change. So there will no longer be icons on the left vernier, but divisions will appear, which you need to navigate by. With their help, the driver will be able to visually control the level of warm or cold air supply.

But this is for manual control mode. In Lada Vesta it will be possible to switch to automatic, and then the climate system will independently set the temperature in the cabin, based on the sensor. To switch to automatic mode, just press the desired key in the bottom row.

You can switch from the air conditioner to the stove and vice versa by pressing the vernier. Air recirculation is started in the same way, only with the right handle. The temperature display in the Lada Vesta is displayed on a small digital display installed in the place where the graphic temperature scale is located in cheaper models. As in the simpler version, all buttons and knobs are equipped with indicator lights that light up after the mode is activated.

Standard heater radiator

The antifreeze circulation circle between the heater radiator and the cooling system radiator is common, as a result of which dirt and debris penetrate into the heater. The quality of heating decreases. You can restore high-quality airflow by flushing the heating system.

The heater radiator is the same in design as the radiator of the Lada cooling system, only smaller. They have a common antifreeze range. Dirt from the expansion tank may also end up in the small interior assembly. Unfortunately, the radiator cannot be repaired. Need a replacement. When we come closer to the question, it turns out that the standard unit does not have a serial number. There is only a code - UT-00006936, according to which they can sell you another spare part. Therefore, before purchasing, check with the seller for information.

What shortcomings have already been identified?

Despite the short period of time that has passed since the Lada Vesta left the assembly line, some shortcomings in the operation of the equipment have already been discovered.

The climate control flaps move with a quiet crunch that can alert the driver.
The bottom airflow is not directed towards the pedals, but slightly higher. A strange decision for a country where severe frosts are common and shoes need to be heated.

Heating modes for the windshield, rear window and mirrors are activated with one key