How to set up the air conditioner for cold air? Switching guide for switching to cooling

Turn on the system in heating mode

When operating a split system, try not to use the random poke method, study the Instructions, because there are many models on the market and each manufacturer of this product tries to bring its own zest to the simple rules of operation.

We will try to describe several options for setting the air conditioner to heat and bringing it to the state we need.

# Option one

There must be a "MODE" key on the remote control. It can be located under the cover. If you still found it, click on it until you see the “sun” icon or the inscription “HEAT”.

On this remote control, the “MODE” key we need is clearly visible, with which you can switch the operating modes of the air conditioner

Using the “+” and “-” buttons, we will select such a temperature regime at which we will feel comfortable. Do not forget that for all the actions that you perform, the remote control must be directed towards the device, which will receive the signals sent to it and respond to them with a sound emitted.

You can make all the specified settings on the remote control, and then send it to the air conditioner by pressing the "ON" button. The desired changes must occur within five minutes.

When switched to heating mode, the fan in the indoor unit will not turn on immediately.

# Option two

You took a good look at your remote control, but you didn’t find the “MODE” key either on it or under the cover. But you see the icons "droplet", "fan", "snowflake" and "sun". We need the "sun", and we choose it.

On this diagram of the remote control from the HITACHI air conditioner, pictograms in the form of the sun, snowflakes and droplets are clearly visible (+)

We set the temperature so that it is higher than the one that is already in the room. For example, if you are now +18°C, set +25°C to feel the difference right away. Again, we make sure that the signal is received by the system.With a wireless remote control, the answer will be a sound, with a wired remote control, a light bulb will light up on the front of the unit.

After about five minutes, you should feel the result of your tuning.

# Option three

There are no keys labeled "MODE", "HEAT" on the remote control. The “sun” icon is also not found, although the “fan”, “snowflake” and, possibly, “droplet” are present.

This indicates that your model is not designed for space heating. Do not demand from her what she is not able to give you.

# Option four

The desired mode can be set directly on the air conditioner. To do this, turn on the device by pressing the power button. Let's find the mode selection key "MODE", with which we set the mode of operation we need.

We press this key until the required “HEAT” (heating) appears. As a rule, this function will be the fifth one after automatic mode, cooling, drying and ventilation.

Now we will need a remote control to set the desired temperature. With it, you can also order the desired fan speed of the device.

Pay attention to the operating temperature range, which in the form of a plate is probably indicated for your specific model in the Instructions. Please follow these manufacturer's recommendations to enjoy a properly functioning split system for as long as possible.

# Option five (sad)

It does not matter when the system does not provide heating for the simple reason that it is not included in the list of its functions. But this is certainly an inexpensive model that will definitely delight you on hot summer days. It is much worse when you have purchased an expensive model and you know for sure that it is simply obliged to work for heating, but you cannot start the process.

At the same time, you did all the necessary operations in full accordance with the Instructions, which you still had to look into, but the result was not obtained not only after five promised minutes, but even after an hour. Checking the batteries in the remote control did not clarify the situation: they turned out to be serviceable.

Well, you have to repair the air conditioner. Perhaps the cause of the breakdown was the incorrect installation of the device, which should be performed only by people who know what and how will work later. And now, if you do not want to completely destroy the device, disconnect it from the power source and look for the master. Further operation of the device is not yet possible.

Recommendations for use

There are special rules on the basis of which the air conditioner is operated at home.

1. It is necessary to carry out regular cleaning of the outdoor unit, especially the inlet grate.
2. All windows and doors to the outside must be closed when the split system is turned on. Such measures allow not to overload the product.
3. You can not use the air conditioner constantly during the day.
4. Timely maintenance increases the duration of proper operation of the split installation.
5. When the filters of the indoor unit are clogged with settled dust, users can independently remove, rinse and dry them naturally without using a hair dryer, so as not to damage the delicate mesh.
6. It is allowed to connect several indoor devices to one remote unit.

To follow these recommendations, it is enough to carefully read the instructions that are developed for each model of air conditioner.

What temperature to set for sleep?

Properly set temperature on the air conditioner can provide you with a comfortable sleep.Many modern models have a "sleep mode", just turn it on and you can go to bed. The desired temperature will be set automatically.

If it is not there, then the settings must be set manually:

• Raise the temperature by 1-2 degrees above daytime. At night, the human body cools down and additional heating is required.
• Adjust the blinds so that the air currents do not go to the bed.
• Set the shaft speed to minimum. In addition to observing the temperature regime, this will make the operation of the air conditioner quieter, which also contributes to a comfortable sleep.

Based on general recommendations, it turns out that the optimal temperature for sleep will be 25-27 degrees.

"Sleep mode" works according to the following principle. First, it resets the fan speed to a minimum. Secondly, it directs the blinds so that the air flows parallel to the floor. Thirdly, it raises the temperature to the desired level.

Some models increase the temperature in several stages. At first, the temperature rises to 25-26 degrees, and by the middle of the night to 27. This allows you to fall asleep in comfortable conditions and not freeze

The only problem that can arise during sleep is ventilation. Having set the optimal temperature of the air conditioner for the night, do not forget that the windows must be closed, otherwise the equipment will work for wear.

If the flow of clean air is very important, then you can leave a small gap in the window, but this is an acceptable maximum.

On modern double-glazed windows there is a micro-ventilation mode. It will be a good compromise between fresh air and comfortable temperature at night.

Another solution to this problem is to air the room just before going to bed.During sleep, a person consumes significantly less oxygen and this should be enough for the whole night.

Main causes of malfunctions

It is necessary to constantly monitor the operation of the air conditioner. In case of detection of malfunctions and malfunctions, disconnect the device from the network and repair it or contact the support service.

Causes of malfunctions:

1. Lack of cleaning, rinsing of the device
2. Lack of refrigerant charge
3. Always working at full capacity
4. Incorrectly set parameters of the microclimate of the room
5. Malfunction of the external unit, due to a breakdown of the air conditioner relay on the compressor.

You can avoid breakdowns with the help of careful operation, constant and timely care of the device, timely replacement of freon.

Advantages of air conditioning heating:

Energy saving

Heating with an electric heater

A classic electric heater in order to heat a room of 15 sq.m consumes approximately 1.5 kW to 2 kW. The heating will not be uniform and the air temperature next to the heater will be much higher than in the rest of the room, and therefore the heater will be set to a higher temperature than required. The time during which the electric heater is able to bring the room temperature to a comfortable level for a person can exceed 1 hour.

Air conditioning heating

Electricity consumption of the air conditioner in heating mode for a room of 15 sq.m. not higher than 0.7 kW. Ch., that is, more than 2 times lower. Such low energy consumption seems impossible if you do not know the principle of operation of the air conditioner for heating.The air conditioner itself does not produce heat, it only delivers it to the room by heat exchange. The same principle as for cooling, only in reverse. Heat is taken into the premises from the street, and the cold is brought out. Electricity is consumed only for the operation of the compressor and fans.

Heating of the apartment in the off-season.

In the off-season, when the central heating is still turned on, and the temperature outside is already below 10 degrees, you have to turn on the heaters. Although this time does not exceed one month in autumn and is possible with early frosts in spring, but in combination with summer cooling, this is an additional important argument in favor of the need to install an air conditioner in your apartment. In addition to high energy efficiency, such a functional ability of the air conditioner as automatic operation of maintaining the set temperature in Auto mode is very pleasant. You just need to turn on the air conditioner for heat or cold, set the temperature that is comfortable for you and maintaining the temperature will no longer require your participation.

Difficulties heating in the country

A country house is a place where living is seasonal and expensive capital heating is rarely required. In addition, the lack of gasification in garden associations makes heating not a cheap pleasure. The high price of heating is subject to a limit in electricity consumption due to lack of capacity, which makes heating with electric heaters impossible. Voltage drops are also superimposed on loaded networks.

Country heating with air conditioning

In country houses, where most often the walls consist of lightweight structures insulated inside and finished with decorative trim inside and out.Such walls work well to contain the temperature, but they do not accumulate temperature in any way. For this reason, a constant source of heat is required. This makes off-season heating of the entire house at the same time costly, and unnecessary due to non-permanent residence. Installing air conditioners in different rooms makes it possible to set different temperatures, which provides an additional opportunity to save energy. Along with the low cost of heating with air conditioning, the speed of bringing the temperature to a comfortable level is also important. Due to the ability to run a large volume of air through the heat exchanger, the air in the room heats up quickly

Some air conditioners have a surge protection function, which is also important in holiday villages with unstable power supply.

Cons of heating a room with air conditioning

A significant disadvantage of heating a room with an air conditioner is that prolonged operation of the air conditioner in this mode at outdoor temperatures below 0 degrees is not desirable. Even if you read in the instructions that the air conditioner works, for example, up to - 10, then this is not entirely true. Operation at negative temperatures involves heating the condensate drain. This is due for the most part to the fact that condensate forms in the outdoor unit during the “heating” mode and freezes when draining in the drainage outlet, forming a plug. After that, ice freezes inside the outdoor unit. Freezing ice can damage the fan. In addition, at At low temperatures, the energy efficiency of the air conditioner drops. If your air conditioner is not specifically designed by the manufacturer for low temperatures, then prolonged operation in heating mode, at outdoor temperatures below -7ºC, will inevitably lead to its breakdown.

Heat pump - air conditioning for heating

Heat pumps are essentially the same split systems, but specially adapted to operate at very low temperatures. There are heat pumps on the market for operation at -25°C, -30°C, and even down to -40°C. More about heat pumps.

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The nuances of operation in the cold season

Our goal is to keep warm without damaging the appliance we are about to use. To achieve it is very simple - you need to listen to the opinion of the manufacturer, which is contained in the Instructions for Use of the product.

The document indicates the temperature range in which the product will operate efficiently and stably. For most models - from minus 5 to plus 25 ° C.

But in the summer we often turn on the air conditioner even at high ambient temperatures. The consequences of such an excess of regime temperatures are a decrease in the performance of the device. However, it does not go out of order. In winter, violation of the recommended operating mode can lead to very disastrous results.

Why is this happening? In the most popular models, the condenser and compressor are located in the outdoor unit.

When the temperature drops below that stated in the Instructions, the aggregate state of the oil in the compressor crankcase also changes: it becomes thicker, ceases to envelop the moving elements of the device. This negatively affects their operational resource.

An icy outdoor unit of a split system indicates that the operation of this unit is delayed until it is completely freed from ice captivity

By the way, in the summer, violation of the regime also does not go completely without a trace.If the outdoor unit of the system is located on the sunny side, it is subject to severe overheating, in which the oil can also thicken. At the same time, rubbing parts, devoid of lubrication, wear out faster.

When performing the heating function, heat from the environment must be transferred to the room. This refrigerant, moving through the condenser of the outdoor unit (or evaporator), receives it from the outdoor air. If the temperature of this air is too low, the freon does not heat up as it should, and the thermal efficiency of the split system drops.

In addition, the evaporator-condenser and compressor heat up during operation. Upon contact with cold air masses, the surface of the parts is covered with condensate, which quickly turns into ice deposits. Under such conditions, the device simply stops working.

However, this is not the only reason for its failure. Frosty air leads to a failure in the phase transitions of the refrigerant. In the evaporator, freon does not go into a gaseous state, as it should be according to operating conditions. Entering the compressor in this state, it is capable of causing water hammer.

The reason for the icing of the device can be not only errors in the mode of its operation, but also precipitation, from which the same visor saves, which protected the device in time

When the air conditioner is operating in cooling mode, a large amount of air flows through it. When it comes into contact with the surfaces of the condenser and evaporator, condensate is formed, which is discharged to the outside by means of a drainage system. For drainage, a hose is used, located in a downward direction at an angle.

By turning on the device for cooling in winter, we risk getting a plug of frozen water in the drain hose.Condensate that has ceased to be discharged to the outside will inevitably enter the air conditioner, disrupting its operation.

Of course, expanding the temperature range for the safe operation of products is one of the top priorities for manufacturers of all models. For this, for example, oil heating systems in the compressor or drainage heating are introduced. The result is impressive.

For example, TOSHIBA products that are specially designed for Nordic countries can operate well at -20°C.

Is it worth it to install an air conditioner?

During the acquisition of this equipment, you need to understand that the air conditioner is a complex device and only professionals should install it. After all, if even the slightest errors are made during installation, the device will not perform its functions 100%, and the service life itself will be significantly reduced. There are several requirements in order to extend the service life:

• correct installation;
• careful operation;
• timely cleaning of filters.

Fulfilling the above conditions, it will be possible to avoid equipment breakdown and repair. Although the installation is expensive, but customers will be sure that there should be no problems during operation.

At present, there are a sufficient number of split systems (air conditioners), but the settings have general similarities. If desired, you can choose a device that, according to its characteristics, is best suited to the interior and personal requirements of the customer.

The settings are similar for different models of air conditioners.

Functionality of air conditioners

Air conditioners have long entered our daily lives and have become the same everyday attributes as an iron, refrigerator or washing machine.

Being one of the most popular and sought-after types of climate technology, which is designed to create more comfortable and favorable living conditions, the device is widely used in private homes and city apartments, offices and cars.

Depending on the functionality, professionals distinguish between split systems that perform:

• cooling only;
• lowering the temperature and heating;
• service at low and high temperatures;
• special abilities.

The last point combines aromatization and humidification, ionization, additional air purification and other functions. In addition to the coarse filter, which is located in all units without exception, additional filters are also available that provide fine cleaning.

On bio and carbon filters, ultraviolet and electrostatic, depending on the filter element, not only microscopic dirt particles and pollen are destroyed, but also viruses, bacteria and fungal spores.

Air conditioners with ionization, saturating the air with ions, make it look like a natural composition that forms after a thunderstorm or near a waterfall.

However, in addition to medical recommendations for the use of ionized air mass for allergies or asthma, there are also categorical prohibitions for patients prone to oncology, pneumonia or heart attack. Therefore, this function should be used carefully, especially in polluted rooms.

The ionization process can also be considered as additional fine filtration.The ionizer is placed in the body of the indoor unit, where negative ions are formed after the decomposition of water vapor.

Spreading throughout the room, they have an antibacterial effect, eliminate tobacco smoke and other unpleasant odors (cleaning from tobacco smoke will take 5-10 minutes, from bacteria - about three hours).

The process of humidifying the air in the room can take place either by simply using a steam generator or by placing a humidifying component in the outdoor unit, or by using ultrasound.

Main Modes

Most air conditioners support the main mode - cold, more modern models can produce space heating.

Mode types:

Filtering: All devices are equipped with a filter. Filter types may vary depending on the type of system and customer needs. Filtration efficiency range: from dust and other particles to dust, bacteria, viruses and odors, germs and smoke

It is important to replace the filters after the set time has elapsed. If filters are changed too late, there is a risk that contaminated, unspecified filters will start to return bacteria to the air rather than stop them.

Edit: Proper power selection ensures that no drafts are generated. This is the task of a specialist and must be performed by an assembler. A low efficiency system will not be able to maintain the desired temperature. A system with too much capacity will cause drafts and temperature fluctuations.

• Cooling
• Heating
• Air dehumidification
• Air ventilation in the room
• Automatic operation

Air conditioner in heating mode

Before turning on the unit for heating, you must make sure that the operation of the air conditioner for heating is supported. If there is no documentation for the air conditioner, then you need to find a description of this air conditioner model on the Internet, where everything will be described in detail. Also, the outdoor air temperature must comply with the parameters specified in the operating instructions.

In each split system, the principle of operation of the air conditioner for heating is different. This refers to the temperature level at which the device can be turned on. The most common air conditioner can be turned on at temperatures up to 5 degrees Celsius. But there are new models in which heating with air conditioning is allowed at a temperature of -25 degrees Celsius.

When the “heating” mode is turned on, cold air first enters, but after 5-10 minutes it starts to heat up. Not everyone knows about this feature and therefore they begin to intensively press the “heating mode” button. But such maneuvers harm the device. To avoid such misunderstandings, after turning on the heating mode, you need to wait from 5 to 10 minutes. This time will be enough to warm up the indoor unit and after that the air will start to warm up.

In addition, the external unit of the split system has a peculiarity - at low temperatures it begins to freeze over. And then the automatic defrosting starts. The principle of operation is that the fans stop for ten minutes, and melt water comes out through a special tube.

Operation of the air conditioner for heating in winter

Most split systems operate for heating at a temperature of -5 ... 25 ° C. If the indicators are lower or higher, performance is lost. In winter, air conditioners should not work.This is due to the fact that the oil dissolved in the refrigerant performs its function of lubricating the compressor parts only in this temperature range. Therefore, it is forbidden to use the equipment at lower temperatures.

The air conditioner works for heating only at temperatures specified by the manufacturer

Despite this, some companies claim that air conditioners can heat the room even during severe frosts, and for this it is necessary to install a winter starter. Such statements are not true.

The low temperature kit consists of three devices. The compressor crankcase heater warms up the settling oil and prevents it from thickening. An electric cable heater is installed inside the outside of the drain pipe, preventing ice blockage. The outdoor unit fan speed retarder is a controller that prevents the condenser from overcooling and freezing. These devices help to extend the operating temperature range only for using the air conditioner in cooling mode.

Some air conditioners can operate at temperatures below 5 °C

Inverter air conditioners are power-controlled systems. This means that when the air temperature set by the user is reached, the mechanism does not turn off and continues to work. But he does it at reduced power and constantly maintains the set parameters. The inverter extends the service life by at least 30%. This is due to the fact that starting loads are reduced. In addition, it is possible to achieve energy savings.

Recommendations for use

It is important that the difference between the temperature indicator on the street and installed on the air conditioner does not exceed 10 degrees. The optimal value is 7-10 degrees, it makes no sense to set it lower, it’s the same above

The most acceptable for your state of health is considered to be a temperature indicator by a difference of 5-7 degrees. The room itself is not recommended to be cooled to a temperature value within 23-24 degrees, this range is noted as the most comfortable among all.

It is recommended to take into account the following data:

• The lower the cooling temperature, the higher the load on the compressor will be, and the overall energy consumption of the equipment will also increase.
• If the temperature outside is high enough, it should be lowered gradually, approximately 2-3 degrees during each hour.
• Approximately 1-2 hours it is necessary to ventilate the room for 10-15 minutes. Without the subsequent supply of fresh air into the room, carbon dioxide poisonous gas will accumulate. In the future, this will lead to the fact that painful sensations will appear in the head area, some loss of consciousness will be observed.

Nuances of operation

Modern models of air conditioners are quite complex household appliances, the setting of which requires compliance with basic rules.

1. It is necessary to clearly select the power of the product depending on the volume of the room: in regions with a very hot climate, it is necessary to install systems with more power, with improved characteristics of the cooling mode.
2. Always correlate the operating mode of the product with the weather conditions outside.
3. In order to prevent the occurrence of any colds, it is necessary to fine-tune the equipment in the cold mode.
4. Carry out regular maintenance - these activities will allow you to ensure the normal operation of the product, and the whole family a safe and comfortable microclimate.
5. Installation, maintenance and repair of equipment should only be done by professionals.

Climate systems can be installed in any premises, regardless of their configuration and dimensions, because modern technology copes with the task without any problems. The user must only follow all the rules and recommendations voiced in this article.

Device

Modern models are equipped with similar device parameters.

Remote control - a small microcircuit that sends signals to control buttons, a battery pack. When a button is pressed, a specific command is sent to the device block.

Main buttons:

• Mode - change modes
• Swing - changing the position of the split-system blinds depending on the air flow
• Direction - offset blinds at a given angle
• Fan - changing the power of the air flow
• Turbo - setting the maximum fan power
• Reset - resetting all parameters
• Lock - setting a lock
• Led - light indication
• Clock - current time

If the device does not respond to key presses, it is necessary to check its condition for serviceability.

To do this, first of all, you should replace the batteries, check the integrity of the keys and the screen, use digital technology to check the condition of the infrared indicator.

Batteries cannot be replaced one at a time. Two new batteries from the same manufacturer should be installed at the same time.

If the air conditioner is not used for a long time, the batteries should be removed from the remote control.

In case of weak readings on the display and slow response of the air conditioner to the remote control signals, the batteries should be replaced immediately.

Do not recharge disposable batteries

Do not drop the remote control

Do not allow the remote control to fall into water

Do not operate the remote control at a distance exceeding 8 meters from the indoor unit

Periodically clean the remote control from dust and dirt.

Cooling in winter

If you have ever had to deal with server rooms, then you should know that the temperature of many of them in winter reaches the values ​​contraindicated for them. For this reason, the installation of air conditioners is necessary here. But here, as an addition, you will also need to purchase a winter kit, presented by a pressure switch, and some heating elements are also needed.

The pressure switch is responsible for adjusting the frequency of revolutions made by the fan in the outdoor unit, increasing or decreasing, thus, the pressure inside the condenser. And as for the heating element for the compressor crankcase, which has a built-in sensor, then at a certain temperature it starts or turns it off. At temperatures below zero, it heats the crankcase so that when the system is turned on, there is no water hammer and the compressor valves do not break. If the drainage goes outside, then a heating element is also needed to heat it, since at low temperatures the drainage pipe will freeze, which means that water from the indoor unit will begin to pour into the room, so the heating element is placed inside the pipe.If you only need all of the above options in winter, then you can install a seasonal switch - a kind of sensor that, at a certain temperature, will turn on or not turn on additional options.

Why is the air conditioner not heating?

There may be several reasons for this.

The lack of heat is due to various reasons: both breakdowns of the equipment itself, and temperature features

Table. Reasons why the air conditioner does not heat the air

The nature of the breakdown	Possible reasons	What to do?
Warm air is not supplied	The outside temperature is below the specified temperature range	To do nothing. Under such conditions, indoor air can warm up to a maximum of 3 °C. It has to do with how the equipment works.
The equipment is working, blowing from the indoor module	Possible damage to the 4-way valve. The part is responsible for switching seasonal operating modes	The valve needs to be repaired or replaced. As a rule, the device with such a malfunction operates in the mode that was before the failure of the spare part. If the repair is postponed, then a chain reaction and the occurrence of a number of other malfunctions are possible.
The equipment is in cooling mode, blowing from the indoor unit	The defrost mode is frozen or there is no such mode	Read the instructions and make sure that this mode is provided by the manufacturer
The heating mode does not work, the fan does not start, although the display indicators do not indicate malfunctions	Too cold weather	The system needs time to adjust to the new mode. In heating mode, the refrigerant circulates in the reverse direction. The system may not be able to regulate pressure well enough.Then you just need to wait a quarter of an hour, even if the red indicator lights up on the device panel. It does not hurt to check the defrost mode. It is necessary to check if there is ice on the outdoor unit

One of the common reasons for the lack of heat is the “Cold” setting preset by the manufacturer. This happens especially often with newly installed equipment. Also, the system will not work properly if there is not enough freon in it. In this case, you should also contact the service center. Besides. The reason for the lack of supply of warm air may be other breakdowns:

• violation of contacts;
• socket failure;
• network malfunction and others.

Air conditioner not working? I need to check the socket.

Operation of climate equipment in conditions that do not correspond to those specified by the manufacturer leads to breakdowns and malfunctions of the system. So, the heat exchange unit, fan blades, compressor are frostbitten. In addition, using the unit at low temperatures causes the outdoor unit to become covered in ice. This happens as a result due to the settling condensate that forms during the operation of the device. Both heat output and heat transfer deteriorate.

Block freezing can cause serious damage.

Turning on the air conditioner for heating

Split systems in our time quite successfully cope not only with their historical task - cooling the air, but can also help you heat the room. And although, as mentioned above, most air conditioners are not designed for operation in the winter season, progress does not stand still.

To date, a number of self-respecting companies produce split systems that can work even in frost at -25 degrees Celsius. This will allow you to optimally set the temperature mode.

How is such an interesting effect achieved? And it is achieved by the condensation of liquid in the air. This process is possible due to the presence of freon, which is subjected to high pressure and begins to condense in the thermal unit of the split system. The next step, this already liquid freon enters the outdoor unit, and there the pressure drops sharply, again turning it into a gas. All this machination looks very complicated, but for modern geniuses it was only necessary to establish production, and then the matter was small.