We disable the automatic activation of the air conditioner on the Hyundai Solaris. Hyundai Solaris: System operation Self-refueling of the Hyundai Solaris air conditioner

We disable the automatic activation of the air conditioner on the Hyundai Solaris. Hyundai Solaris: System operation Self-refueling of the Hyundai Solaris air conditioner

15.06.2019

Conditioner forsolaris V basic equipment not included, must be purchased for additional fee. But in hot summer weather it is much more pleasant and comfortable to drive with the air conditioner on. So solaris air conditioner buy costs.

Hyundai Solaris air conditioner - device

The main element of the air conditioner is the compressor, which is mounted on top of the engine. It forces the refrigerant to move through pipes and radiators, cooling and drying the surrounding air. The compressor is driven by a belt from the engine.

The compressor rotor is switched on by means of a friction clutch having electromagnetic control- then the refrigerant begins to move. At the same time, a characteristic click of the clutch is heard, but if it is not there, the air conditioner is faulty.

There are many reasons for this - it can be refrigerant leakage from the main components of the air conditioner, failure of the pressure sensor, failure of the clutch electromagnet windings, electrical malfunctions and other malfunctions that only specialists in their field can find out.

The next most important node is solaris air conditioner radiator. It is installed in the same place where the engine radiator is located, using special fasteners. The refrigerant, moving through the thin tubes of the radiator, gives off the accumulated heat into the space.

Another one the most important detail- the evaporator, which actually cools the air. It also looks like a radiator, but the exact opposite happens here - the heat from the surrounding air is absorbed by the boiling refrigerant. As a result, the air is cooled to the desired temperature and the air blower delivers it to the passenger compartment.

    Condensation forms on the evaporator, which is a favorable environment for any mold and bacteria, and there comes a time when a bad smell appears in the cabin. To avoid this, the evaporator should be treated with chemicals that prevent bacterial growth before use.

    Should be changed regularly cabin filter and clean the drain tube through which the condensed liquid flows.

    Every year in the spring, you should carefully wash the fins of the radiator of the air conditioner. In this case, a water jet under pressure should not be used, as very thin tubes can be destroyed.

Today, a rare car owner does not know what an air conditioner is in a car. Its presence is gradually moving from the category of luxury to an essential item. Like any other complex mechanism, the air conditioner sometimes refuses to perform the duties assigned to it. This problem leads to a dead end for many drivers, they do not know what to do in this case. Let's try to solve this problem together.

About possible malfunctions

It is possible to identify the malfunctions of the air conditioner yourself, but it is better to entrust the elimination of some of them to specialists. by the most important node in the air conditioning system is a compressor. It is with him that most of the faults are associated.

What signals problems with the compressor

The presence of constant noise or when turned on to the operating mode indicates that he is "sick" and needs treatment. All of this can be caused by:

  • Drive shaft bearing output.
  • Incorrect drive belt tension adjustment.

What do they do in this case:

  1. Check and, if necessary, correct the tension of the belt drive.
  2. Turns off electromagnetic clutch and the compressor shaft is turned by hand, which should turn freely. The engine does not need to be started.
  3. If heard extraneous sounds during rotation, and significant efforts are also required - you need to change the bearing.

If this is not done in time, there may be additional problems. When turning the bearing in the seat, the front cover of the unit is sometimes damaged. Cracks in the housing may cause refrigerant leakage. When the bearing “wedges”, the electromagnetic clutch fails due to overheating.

If extraneous noise appears only after the unit drive is turned on, then the reasons will be different:

  • When servicing the compressor, it was not topped up or refilled by unskilled or inattentive workers.
  • Violations of the circulation of the refrigerant in the system.
  • Failure of the fan or contamination of the air conditioner radiator.

If you postpone the elimination of these faults for a long time, you can wait for the compressor to jam. Keep the radiator clean, which can become contaminated with various debris while driving. For the manufacture of radiators, aluminum alloys are used, which are corroded by chemicals on the roads in winter.

Every car owner knows what air conditioning is for and how much this unit increases comfort when using a car in the warm season. However, not everyone knows how the system should be used correctly. You can find out more about what a Hyundai brand air conditioner is and what problems are typical for this unit below.

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Features of air conditioners

On Hyundai Solaris, Getz and other models, a compressor-type air conditioning system is used. The main elements of the system - the heater and the evaporator are mounted in one unit.

Below is a diagram of the movement of antifreeze through the system and the designation of the components:

  1. Pressure regulator.
  2. High pressure line.
  3. Receiver dryer.
  4. Valve.
  5. The radiator of an air conditioner, also called a condenser.
  6. The ventilating device of cooling of the power unit.
  7. Compressor unit.
  8. Highway low pressure.
  9. Valve.
  10. Air blower.
  11. Air conditioner evaporator.
  12. valve for adjustment.

The climate control compressor is mounted on the BC of the motor, its purpose is to circulate consumable by system. The assembly shaft is located in the front cover of the housing and it is mounted on bearing devices. The assembly pulley is on another bearing, and when you decide to turn on the system, it will always rotate. If the system is operating normally, a clicking sound may be heard upon activation, indicating that the clutch pressure shaft has engaged the drive pulley.

Common faults

On the Hyundai Accent or on any other model, the auto conder may not work correctly or fail, which may be due to different reasons. It can be an air conditioner belt, a belt tensioner pulley, a compressor, and many other components. In order for the air conditioning system to always work properly, at a minimum, it must be fully charged from time to time using filling station or on your own.

Remember that activities such as refueling the air conditioner or cleaning the air conditioner are mandatory for any system. Otherwise, the car owner runs the risk of facing serious malfunctions (author - Avtomatika channel - car air conditioners from A to Z).

Causes

  1. When the system is turned off, the clutch of the device begins to make sounds uncharacteristic for its operation. It can overheat, resulting in a burning smell in the cabin. IN this case, most likely, the problem lies in the destruction of the bearing device, so you just need to change it. If the system still works with the bearing replaced, the clutch itself may need to be replaced.
  2. In the event that, after turning on the system, a click is not heard, then there may be many reasons. It is possible that this is due to a freon leak, as a result of which the installation does not allow the compressor to work. Sometimes the cause lies in a non-working pressure regulator or a malfunction in the electrical circuits. The absence of a click may be due to the burnout of the coil winding, but it also happens that the compressor unit cannot start working due to the motor control unit. Usually, power unit blocks the operation of the device due to too much high speed or elevated temperature antifreeze.
  3. If the compressor device is jammed, then the clutch will work normally, however, the motor may stall from time to time, and when the system is turned on, third-party noises will be heard. If the reason lies in the internal pumping component of the unit, then it will have to be completely changed.
  4. One of the most unpleasant options for the car owner - a click appears and the clutch works, but air flow does not cool down. It will not be possible to accurately identify the cause of the breakdown at home; for diagnosis, it is better to contact specialists, since special equipment will be required for a quality check.

Roller bearing replacement

Usually the cause of the problem is tension roller, belt or air conditioner belt tensioner bearing. How the belt is replaced to ensure normal tension, we will not tell, since everything here is individual for each car.

But also a common problem is the destruction of the bearing device, step-by-step instruction for its replacement in the Accent model is given below:

  1. First of all, the old bearing is dismantled, it is not so difficult to do this - it is removed right wheel, the mudguard is dismantled with a key of 10. After unscrewing the bolts, you need to disconnect the clip located on the reverse side.
  2. Using a 12 wrench, it is necessary to loosen the strap tension, the adjustment nut is located on the left side of the tensioner. The central nut must be unscrewed with a 14 wrench.
  3. The old bearing device is pressed out. Wherein new bearing it is better to cool, for this place it on the street (if it is winter) or in the freezer.
  4. Further assembly is carried out in the reverse order.

Not everyone knows that the repair of the Hyundai Solaris air conditioner can be done independently. This does not require special knowledge, just the usual skills of a car enthusiast and the ability to handle tools.

Of course, this does not apply to all types of repairs, it is possible to replace the unit or disable the mechanism for its automatic activation, but more serious malfunctions will have to be repaired in the cabin.

If the device is completely out of order, you should self-replacement air conditioner Hyundai Solaris. This will require a partner, it is almost impossible to cope with numerous structural elements on your own. Work in your own garage with a pre-purchased spare part will take about 5-7 hours.

It is performed in the following order:

  • disassemble the purchased equipment, degrease, in some places it will be necessary to wash off the dust from the packaging;
  • release the air supply pipe where the heat exchanger is mounted, remove the glove box;
  • install equipment.

The cost of a replica air conditioner purchased outside of official dealer systems will not exceed 15,000 rubles. Installation of equipment in the cabin and air conditioning from the manufacturer will cost from 35,000 rubles.

Current repair of the Hyundai Solaris air conditioning system

Many drivers are not satisfied with the fact that the air conditioning system automatically works after the engine starts, autostart overloads the engine, and the car picks up speed worse.

The factory mechanism does not provide for the possibility of shutting down: programmers have laid down an algorithm for turning off the equipment by successively pressing several buttons, but using this technique is not always possible. Not all drivers know that there is more simple options how to disable automatic switch on air conditioner Hyundai Solaris.

Disabling auto-on is done in several steps:

  • the ignition key turns, but the engine does not turn on;
  • the mechanism is set to heating mode;
  • in 3 seconds, you need to have time to press the blower button 6-7 times;
  • make sure that the blower indicator blinks three times, this will indicate a shutdown.

Knowing how to turn off the air conditioner on a Hyundai Solaris, you can save its resource by avoiding equipment operation in situations where it is not necessary. Often repairs are limited to replacing knobs, but removing old regulators yourself can be difficult.

How to remove the handles of the Hyundai Solaris air conditioner and install new ones? To do this, you need to order a part by article in one of the online stores, then disassemble the air conditioning unit. Regular pliers remove regular handles. If you unscrew 4 screws, remove the front panel, you will have access to the standard handles. They need to remove the retaining rings and replace the handles.

Replacing the Hyundai Solaris air conditioner bearing will help solve some of the problems in the operation of the equipment. The bearing of the Hyundai Solaris air conditioning compressor is replaced in cases where there are problems with the operation of the drive or clutch.

Steps to replace a bearing:

  • unscrew the bolt and remove the retaining ring;
  • carefully remove the damper;
  • remove the old bearing from the coupling (this will require pliers);

  • insert new part(its cost starts from 1000 rubles).

Hyundai Solaris air conditioning service

The standard option for routine maintenance is refueling the Hyundai Solaris air conditioner. It is difficult to do it yourself, it is better to contact a car service.

Every two years of active operation of the machine, it is required to add freon (200 grams or more). Big expense refrigerant is associated with leaks, so it is necessary to check the tightness of the valves.

TO routine maintenance include replacement of the Hyundai Solaris air conditioning compressor. This is done in the following way:

  • turn on the fan heater and let it run for 3-5 minutes at idle;
  • find the battery and disconnect the wire from the negative terminal;
  • pump out the coolant. This will require a vacuum unit;
  • disconnect the suction lines;
  • install compressor;
  • check the performance of the bearings, make sure that there is no plaque, peeling, rust. Replace parts if necessary;
  • replace and restore system performance by installing all parts in reverse order.

You can install the air conditioner on the Hyundai Solaris at a service station, and if you have the device and tools, you can repair or replace it yourself. This will significantly save money.

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Air conditioning system Hyundai Solaris

On Hyundai Solaris cars, a compressor-type air conditioning system is installed. The units of the heater and evaporator of the air conditioner are arranged in one block. The controls for the air conditioning system are located in a block shared with the heater controls.

Rice. 2. Air conditioner compressor:

1 – pressure disk; 2 - drive pulley; 3 - front cover of the case; 4 - block of the electrical connector of the electromagnet coil; 5 - flange for fastening the low pressure pipeline; 6 – a cover of the block of valves; 7 - flange for fastening the high-pressure pipeline; 8 - fastening eye; 9 – housing of the pump part; 10 - plug of the filling hole; 11 - pressure plate damper

Compressor(Fig. 2) circulates the refrigerant in the system. The compressor shaft is installed in the aluminum front housing cover on bearings and sealed from the side of the drive pulley with an oil seal.

The compressor drive pulley 2 is mounted on a double-row ball bearing and constantly rotates when the engine is running. When the air conditioner is turned on, torque is transmitted from the pulley to the compressor rotor through friction clutch with electromagnetic drive.

Note

If the system is working properly, when the air conditioner is turned on, a click is heard - this is the clutch pressure disk 1, under the action of an electromagnet, engages with the drive pulley 2, and the compressor rotor starts to rotate.

But during the operation of the air conditioner, the following compressor malfunctions may occur.

1. If, when the air conditioner is turned off, the clutch makes extraneous sounds during rotation, heats up, or a burning smell appears, then its bearing has probably begun to collapse.

In this case, the bearing must be replaced (see Drive Sheave Bearing Replacement). In some advanced cases, it may be necessary to replace the compressor clutch assembly or its constituent parts.

2. If you don’t hear a click after turning on the air conditioner, then the following problems are possible:

  • there was a refrigerant leak, and the control system blocks the compressor from turning on;
  • the pressure sensor in the system has failed;
  • malfunctions in electrical circuits control systems;
  • the coil winding of the clutch electromagnet burned out;
  • the engine control unit for some reason (high engine coolant temperature, high engine speed) has blocked the compressor from turning on.

3. If the clutch rotates easily and freely, but when the air conditioner is turned on, you can clearly hear extraneous noise or even the engine stalls, then, most likely, the compressor is jammed. The internal pump part of the compressor cannot be repaired. In this case, the compressor will have to be replaced.

4. And the last, most unpleasant option.
A click is heard, the clutch easily rotates the compressor shaft, and there is no cooling of the air in the cabin. In this case, the compressor runs idle, pumping nothing. Only an experienced specialist with special control and diagnostic equipment can determine this malfunction.

It is possible to determine the cause of the malfunction most accurately after a complete diagnosis in a specialized service center repairing car air conditioners.

Rice. 3. Condenser:

1 - pipeline fastening flanges; 2, 4 – condenser tanks; 3 - honeycombs; 5 - receiver dryer

Condenser(air conditioning radiator) (Fig. 3) multi-flow type is located in front of the radiator of the engine cooling system. It is attached with four brackets to the radiator frame. The condenser cells are made of flat thin-walled aluminum tubes with internal longitudinal baffles for rigidity and external fins to improve heat transfer. Tanks are aluminum, with flanges for connection of pipelines and a receiver. The tanks are divided into sections along the height, therefore, passing through the condenser, the refrigerant flow changes direction several times. In the condenser, the vapors of the refrigerant compressed by the compressor are condensed and the heat released in this case is removed into the surrounding air.

When the air conditioner is turned on, the engine control unit turns on the power supply circuit for the electric fan of the engine cooling radiator, which improves heat transfer in the condenser and reduces pressure in the air conditioner system.

Helpful advice

At least once a year, preferably before the start of summer operation, wash the fins A condenser honeycomb from adhering dirt, dust and anti-icing reagents B. This will improve heat transfer, reduce the pressure in the system and increase the service life of the system elements.

Do not use washing machines with a water jet under the high pressure. This may damage IN thin-walled fins.

Even with regular washing the need to replace the condenser occurs much more often than we would like. The fact is that he is the first to take on the flow of anti-icing reagents, dirt and pebbles from the road.

And the walls of the tubes are thin. In most cases, the condenser is damaged by corrosion in the third and fourth years of operation.

If the tightness of the condenser is broken as a result of corrosion, then it is more expensive to repair it. Even if the master of argon welding manages to patch the hole, a leak may soon appear elsewhere.

By the way, the pressure in the system on hot days can reach up to 25–28 bar.

In addition, the complex structure of the condenser tube should be taken into account: along it is divided into channels by partitions, so it is highly likely that after welding, some of the channels will be blocked. Accordingly, the dissipated power will drop and the operation of the air conditioner will deteriorate, especially in traffic jams and in hot weather.

After each experiment with condenser patching, you will need to pay for removal / installation, welding of the condenser and charging the system with refrigerant. So it is better to immediately install a new condenser.

Evaporator located in the block of the heating (air conditioning) and air ventilation system in the cabin. The evaporator is made of aluminum tubes with external fins to improve heat transfer. Passing through the evaporator tubes, the boiling refrigerant actively absorbs heat from the air blowing over the outer finned surface of the tubes. The air is cooled and the air blower is supplied to the car interior.

Note

When the air passing through the evaporator is cooled, the water vapor contained in it condenses.

Condensate through the drain tube located on the bottom right side body panels, merges under the bottom of the car.

If the ambient humidity is high, a puddle of water may form under the car, which is an indirect sign of the health of the air conditioning system.

Warning

During the operation of the car, particles of road dust and dirt settle on the outer surface of the evaporator that is wet from condensate.

This layer becomes an excellent environment for life and rapid reproduction of putrefactive bacteria and fungal cultures. Over time, an unpleasant odor develops in the car.

It is especially strong when the air conditioner is turned off and in humid weather.

In order to minimize the risk of this problem, when buying a new car, it is necessary to carry out preventive treatment of the evaporator with special chemicals, regularly replace the cabin filter and clean the drain tube. If, despite the measures taken, the smell still appears, contact a specialized car air conditioning repair service to disinfect or flush the evaporator.

In case of very strong contamination, the evaporator will have to be replaced.

On the side surface of the evaporator there is a flange for mounting a thermostatic valve.

thermostatic valve block type located in the evaporator housing. The valve is attached to the pipelines and the evaporator using flange connections. After passing through the throttling hole in the valve body, the liquid refrigerant abruptly reduces its pressure and begins to boil. A regulating element is installed in the valve body, which changes the flow area of ​​the throttling hole depending on the pressure and temperature of the refrigerant. The control element is set at the factory and cannot be adjusted during operation.

Receiver dryer mounted on the condenser on the left side and forms a non-separable unit with it. Inside the housing there is a filter element (cartridge) filled with desiccant (silica gel) granules. The liquefied refrigerant passing through the receiver is cleaned of possible impurities, dirt and moisture. In the lower part of the housing there is a hole for replacing the filter element.

Warning

In case of repair or replacement of elements of the air conditioning system, if it was in an open state (any components were removed, pipelines were destroyed, etc.), the cartridge of the receiver-drier must be replaced. Otherwise, after charging the system, the refrigerant will not dry out and acids may form inside the system, which will destroy the parts of the air conditioner from the inside.

Pipelines connect all elements of the air conditioning system into a single sealed circuit. Pipelines and their fastening flanges are made of aluminum alloys.

Protect metal sections of pipelines from dents and kinks. Any narrowing of the flow area of ​​the pipeline leads to a decrease in system performance.

At the junctions individual elements The system is fitted with O-rings made of neoprene.

During the repair of the system, when disconnecting sections of pipelines, the sealing rings must be mandatory replacement. Tighten threaded pipe connections to the recommended torque.

Weak or excessively strong tightening leads to deformation of the sealing surfaces and refrigerant leakage.

Service valves for connecting diagnostic and filling equipment are located on the pipelines.

Note

This is how the service valves of the low pressure lines are located on the pipelines. A and high B pressure. The valves are closed with threaded caps to protect them from dirt. The caps are marked with the letters "H" and "L" for the high and low pressure lines, respectively.

The valves are equipped with spools, similar in design to the spools of the wheel tires, but differing from them in size.

A special key is used to turn the spools in and out.

Warning

Check for refrigerant in the system by pressing it is forbidden to touch the spools of service valves, since after such a check the valve spool may not close completely and the refrigerant will leak from the system!

Pressure meter installed in engine compartment on the right side of the pipeline section of the high pressure line.

According to sensor signals the electronic unit engine control switches off the air conditioning compressor in case of depressurization of the system or an emergency increase in pressure in it in order to protect the compressor from overloads.

Control block the heating, air conditioning and ventilation system is installed in the instrument panel.

The controls for the heating, air conditioning and ventilation system are described in detail in Sec. Vehicle device, see Heating (air conditioning) and interior ventilation.

Solar light sensor located in the instrument panel under the windshield. To increase the efficiency of the climate control system and more comfortable distribution of air flows, a solar light sensor is installed on the instrument panel near the windshield glass. Depending on the degree of heating of the passenger compartment by the sun's rays, according to the sensor signals, air flows are directed to the area of ​​\u200b\u200bthe face or legs of the driver and front passenger.

refrigerant. The system is charged with HFC134a (R134a) refrigerant. The total filling volume is (450±25) g.

Added to the refrigerant special oil FD 46XG (PAG) for compressor lubrication. It is strictly forbidden to use other types of refrigerants and oils in the system.

Note

During operation car air conditioner From time to time there are situations when maintenance of the air conditioning system or its repair is required.

For this, modern diagnostic and repair equipment is used. The most common situation is the depressurization of the system and the release of refrigerant from it.

Highly sensitive halogen leak detectors with sound indication are used to detect leaks.

In some complex cases, the method of the so-called ultraviolet diagnostics of the tightness of the air conditioning system is used.

The method consists in the fact that a special dye is introduced into the system in microdoses.

In places of microflows, the dye, together with the refrigerant, gradually comes to the outer surface of the system elements.

During the inspection of the system, the dye under the action of ultraviolet rays of a special lamp begins to glow (fluoresce) ...

…and refrigerant leaks become visible.

It should be noted that the dye does not have any negative effect on the system. It can be in the refrigerant and circulate through the system for an arbitrarily long time and serve its purpose only when a leak occurs.

After repairing the air conditioner, it is necessary to evacuate and charge the system with the appropriate refrigerant (R-134a).

The amount of air conditioner filling for each car model is individual.

To carry out high-quality refueling of a car air conditioner, you need:

– precision manometric blocks with special connecting tips;

– two-stage Vacuum pump for complete removal of air and water vapor from the system;

– high-precision (division value not more than 5 g) scales for dosing the charged refrigerant.

Due to the specific features of the repair of the air conditioning system, this section describes only the work on the removal and installation of individual elements and the system control unit. Work related to charging the system with refrigerant should be carried out in specialized service centers.

Warning

The air conditioning system is charged with high pressure refrigerant. Contact of liquid refrigerant on human skin causes severe frostbite, so all work related to maintenance, repair or dismantling of air conditioning system elements should be carried out, if possible, in specialized service centers equipped with professional technological equipment. When working on your own, take precautions.



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