[Car air conditioner] How to use the A/C button and heating and cooler | When the wind smells or lukewarm?
Explains the correct usage of air conditioning and heating of the air conditioner and the A/C buttons.The impact on fuel economy, the cost of repairing the air conditioner, the cause of the odor, the maintenance method, etc.To improve fuel efficiency and save gasoline bills, should we avoid using cooling and heating as much as possible?I will answer the question.
When should I press the A/C button when heating?
【車のエアコン】A/Cボタンと暖房・クーラーの正しい使い方｜...の画像はこちら >>©algre/stock.adobe.comThe A/C buttons of the air conditioner of the car are cooled and dehumidified
The button with the "A/C" of the car air conditioner is for moving the machine called the compressor with the power of the engine.By moving the compressor, a refrigerant (air congress) that cools the air inside the car circulates in the air conditioner.
In other words, the air conditioner of the car has only a function to cool and dehumidify even if the A/C button is turned on, and there is no function to warm the air like a home air conditioner (excluding some electric vehicles).
In winter, turn on the heating and press the A/C button when the glass is cloudy.
When heating with the air conditioner of the car, you should press the A/C button when you want to get cloudy windows formed by condensation.
If the temperature difference between the outside temperature and the inside of the car is severe, the water in the air cooled by the window will be condensed.In addition, when you get on a large number of people at a time, the humidity inside the car is also high due to breathing and sweat by people.
In such a case, if the heating of only the blast is used, the window glass will easily become cloudy, so it is necessary to press the A/C button to dehumidify the inside of the car.
Conversely, if you hold the A/C button of the air conditioner, the air inside the car may dry out more than necessary.I would like to be careful about too dehumidification, such as damaging my eyes and throat, or when people who are vulnerable to drying are on board.
風向き切り替えなども活用しよう
If the temperature outside the car and the humidity are lower than the inside of the car, it is effective to use the outside air introduction.However, depending on the outside temperature and humidity, it may not be very effective.
In such a case, if you combine dehumidification with the A/C button of the air conditioner, wind -oriented switching, or outside air introduction, you will be able to get the glass cloudy efficiently.
By turning the wind direction as a window (defloster), turning the warm air to the window glass, or introducing the outside air to the inside of the car, it can make the window glass less cloudy.
Car takes time for heating to start working
©MICHAEL ZECH/stock.adobe.comBecause the car is hot air due to the heat of the engine
Even if you press the A/C button of the air conditioner in many cars, the only function of cooling and dehumidification is that the car has a heat source called the engine.It is a mechanism that allows you to warm the air inside the car simply by applying the wind of the wind fan to the cooling water of the heated engine.
The heat coming out of the engine is usually abandoned, so using this heat is more efficient because it is necessary to make energy for heating.However, it takes time for the engine to warm up and the heating starts to work.
In other words, if the air conditioner of the car is turned on and the temperature is low, it does not cool down at all, the A/C button may be just off.Let's check once before you are in a hurry.
In addition, in the auto air conditioner, the A/C button is automatically pressed when the air conditioner is turned on, but it can be used as a heating without moving the compressor by cutting the A/C button.。
We also recommend using engine starters
If you want to leave immediately with a warm car, it is recommended that you start the engine with an engine starter shortly before you go out.The following is the following at this time.
Also, be careful not to bother the surroundings with exhaust gas, etc., even when the car is heated out of the garage and keeps the engine starting.Of course, don't forget that you don't leave the key in the car.
For those who are cold and spicy at the beginning of running, I also recommend a retrofit seat heater
If it is difficult to heat first with an engine starter, a steering heater (handle heater) or seat heater is recommended.In this case, you don't have to freeze even in the car you start running.
Especially recently, a retrofit -type seat heater that can be used for genuine and without seat heaters is on sale.
Is the A/C button on the air conditioner of the car unrelated to fuel economy?
The Moby editorial department actually verified the air conditioner (cooling) on the A/C button on a hot day, and whether the fuel economy changes without attaching it.
The difference in fuel economy is about 3.0km/l.In other words, it was found that pressing the A/C button in the summer and using cooling would worsen fuel economy by about 10 to 20%.
This is due to the need for compressor pressure when cooling the air at a high temperature with a refrigerant and increases the load on the engine.However, cutting a cooler in the car can be a risk of heat stroke just because fuel efficiency is improved.Use it moderately depending on the temperature.
The fuel economy does not deteriorate even if heating is attached!Why?
Unlike air conditioning, car heating has little effect on fuel economy.If you are heating only with winds without pressing the A/C button, the effect on fuel economy will be reduced, so do not put up with heating without heating.
In winter, the air conditioner refrigerant can be efficiently cooled in the outside air, so even if the A/C switch is turned on, the required compressor driving power will be much smaller.It is said that the compressor itself has improved, so that fuel efficiency deteriorates to a few percent.
What is the proper temperature of cooling that does not deteriorate fuel economy?
The proper temperature of cooling, which does not deteriorate the fuel efficiency of the car, is 25 ° C for Japanese cars and 22 ° C for foreign cars.It is important to note that if you make it more lukewarm than this temperature, fuel efficiency will be improved.Whether the set temperature is higher or lower, the effect on fuel economy seems to be almost the same.
If you are worried about fuel economy, you should fix the air conditioner setting temperature.
In the case of cooling, it is said that if the inside of the car becomes cool to some extent, switching to an inner circulation will work better.
How to use the air conditioner you want to try in the pollen season
©Shopping King Louie /stock.adobe.comA driver with severe hay fever does not want to bring pollen into the car as much as possible.In the "outside air introduction" mode that incorporates air from the outside, pollen will enter the car with the outside air.
In order to prevent pollen in the car, it is recommended to use an air conditioner in the air circulation mode.
If the air conditioner "Auto" is turned on, the car may automatically switch to the outside air introduction, so it is recommended that you turn off the auto air conditioner during the pollen season.
It is also recommended to use air purifiers for cars such as plasma cluster.
Shut out the sneezing runny sleep!6 Recommended hay fever measures for cars
[Tips for preventing deterioration] How to use the air conditioner of the car
The air conditioner of the car has a usage to prevent deterioration.Remember how to use cooling and heating that extends your life can prevent useless troubles and prevent extra expenses.
With low rotation speed during air conditioning on -on
Turn on the air conditioner as low as possible with the engine speed.Electromagnetic clutches can be prevented by reducing the rotation difference between the engine side and the compressor side.
Air conditioning off when driving sports
The air conditioner compressor increases the number of revolutions in proportion to the engine speed.Although it has a protective function that escapes over pressure, when running the engine to high rotation, turning off the air conditioner as much as possible will help the compressor protection.
Check the amount of cooling water regularly
There is little thing to do with a simple heating, but we recommend checking frequently cooling water to prevent overheating.
Cooling water has a role in cooling the engine and is also called radiator or coolant solution.Since it gradually evaporates, regular inspection is required.
Occasionally turn A/C on.If you do not use it, it will break down
If the air conditioner compressor is left untreated for a long time, the lubricant in the movable portion may stick.If you force it in that state, you may be damaged by the movable part, which may lead to air conditioner leaks or movable parts.
Therefore, it is more likely that the A/C switch is turned on occasionally and the air conditioner compressor is operated regularly.
Failure of car air conditioner?Common symptoms and causes
If the air conditioner, which is often used in summer and winter, has a problem, tends to be considered a breakdown.
However, the cause of the air conditioner no longer working was that the windows were vacant, the outside air was introduced, it was just a blast, and it was covered with dust without cleaning the filter for years.There are things.
If the air conditioner does not work, don't rush to break down immediately, but first check the points that are likely to cause.
Heating does not work / does not warm
原因①冷却水不足
In the event of a shortage of cooling water, the cooling water does not come to the indoor heater core, so the temperature of the heater core does not rise and there is no warm air.Depending on the car, the engine is distorted by overheating and stops the engine before falling into a symptom of warm air.Regardless of summer and winter, check the cooling water frequently.
原因②サーモスタットの故障
A car thermostat is installed between the engine and a radiator hose, and refers to a valve that opens and closes due to hot water temperature.
Immediately after the engine starts, the thermostat closes to close the radiator to the rising water temperature.When the water temperature rises, the thermostat opens and the cooling water is poured to the radiator, and the cooling water cooled by the driving style is circulated.As a result, the role of thermostat is to stabilize the water temperature of the engine.
If the thermostat remains open due to aging, the heating will be reduced because the water temperature will be difficult to rise.In addition, even if the water temperature decreases due to a high -speed driving when the thermostat is broken, the performance of the heating will decrease.
The lower the temperature, the lower the water temperature, so in winter when heating is required, the symptoms of reducing heating performance tend to occur.
Cooling does not work, does not cool, lukewarm
原因①エアコンガス漏れ・ガス不足
The most common cause of cooling is the lack of air conditioning gas.Unless the air conditioner gas is short of leakage, the performance can be restored by replenishing the air congus.
It is said that the sealed air conditioner gas does not leak, but the car is always exposed to vibration, and in fact gas leaks from the slight gap in the plumbing part.
The older a car, the more the deterioration of the joining part tends to increase, and the more leaked amount, but it is within the normal range if the gas is insufficient in 2-3 years.
原因②コンプレッサー不良
The compressor itself is rarely broken because it is very strong and durable.However, there have been many cases where the power of the engine is transmitted to the compressor via a belt and the defect of the intermittent electromagnetic clutch causes the air conditioner to work.
When the air conditioner is turned on, the electromagnetic clutch flows to the electromagnet and the engine power is transmitted to the compressor, but if it breaks, the compressor does not turn, so the air conditioner does not come out of the air conditioner.
Since electromagnetic clutch and compressor repairs are heavy maintenance, it is a good idea to bring them to the maintenance shop.
How much is the maintenance and repair cost of car air conditioner?
©Odua Images/stock.adobe.comThe cost of repairing heating and cooling will vary greatly depending on the failure.
表を参照するIn addition, it will be difficult to repair with DIY because it is complicated and repairs require specialized knowledge and safety measures.Ask a dealer or repair shop.
How to replenish the air congus | It's cheap to replenish it yourself ...
Air conditioning gas can be cheaper to replenish it yourself.In order to replenish it yourself, you need to prepare an air conditioner gas itself and a charge hose.Connect these with a short hose, connect the other to gas, and inject gas into the car air conditioner device side.
However, handling is dangerous, so you need a technology that can understand the precautions and can respond even if trouble occurs.In addition, each part before the gas charge must be performed, and if the parts are cracked, it may be removed immediately even if they are replenished.
From the above, if you have no knowledge or experience in maintenance, it is recommended that you ask a professional such as a maintenance shop or a specialist to replenish the air conditioner gas.
Isn't the air conditioner of the car smell?Frequently used causes
If the air conditioner smells, it may not be due to failure.Before you decide that this is also a breakdown, let's check the parts that tend to cause odor.
Smell cause ① Dirty of the air conditioner filter
The dirt on the air conditioner filter leads to the odor of the air conditioner.The air conditioner filter plays a role in removing not only the air outside the car, but also the dust, dust, and pollen in the car.As you run, it gets dirty, your eyes are clogged, and it has a negative effect on the inside of the car, so early replacement is required.
Smell cause ② Mold on evaporator
The odor that comes out of the air conditioner of the car may be due to dirt such as mold and germs accumulated in the air conditioner's thermal exchanger, "Evaptrator", and dirt such as tobacco.
The air -conditioned air is cooled through the evaporator, but the water in the air condensation.And this moisture generates "mold" in the evaporator, causing the smell of the air conditioner.
The air conditioner for home use has the function of drying the water in the evaporator, making it difficult for mold to breed, but the air conditioner of the car has no function and becomes a heavenly place for mold.It will be.
The operation of the air conditioner through a molded evaporator also sprinkles mold spores in the car, so if the air conditioner feels smell, we recommend that you wash it immediately.
How to maintain and replace the air conditioner filter
What is the time to replace the air conditioner filter?
Most car manufacturers about air conditioning filters have been replacing for a year or 10,000 km in one year.
Where is the air conditioner filter?
In general, air conditioner filters are often attached to the back of the glove box.However, depending on the model, it is necessary to replace it from the engine room side, in which case it will be difficult.
If you do not know the location of the filter, or if it is difficult to replace it on your own, ask a dealer or maintenance shop.
What is the price of the air conditioner filter?
The price of the air conditioner of the car itself is not so expensive, 2,000-3,000 yen, and can be purchased at car supply stores and mail order.Check the actual thing and find the same size on the mail order site.
How to replace the air conditioner filter
Here is a replacement method if the air conditioner filter is on the back of the glove box of the passenger seat.
1. グローブボックスを外し、フィルターを露出させる
When the glove box is removed, there is a lid for attaching and detaching the air conditioner filter.Since there is a nail on both sides, press it inward and remove it.
2.フィルターを外す
When you remove the cover, the filter appears.Since the filter is a wavy paper, pinch both ends and pull out.
3.新しいフィルターを取付ける
After removing the air conditioner filter, install the new filter in the opposite procedure and complete the replacement.
動画で確認したい方はこちら
Evaptrator cleaning method
Depending on the type of car, it is not easy to remove the evaporator, the effect of the commercially available cleaning solution may not be obtained, and it may require a high cost and time to completely remove internal dirt.In such a case, it is better to ask a contractor.
If the evaporator can be removed, it can be easily washed with a cleaning solution that can be purchased for about 3,000 yen.
If you ask a specialty store or dealer, it seems that it costs about 5,000 to 40,000 yen, depending on the model.The time required is about 30 minutes, so it is a good idea to ask for regular inspections.
The A/C button of the car is OK to use it aggressively.Daily air formation is important
Car air conditioners have different mechanisms for cooling and heating.The correct way to use the A/C button for turning the air compressor is used during cooling and use it for moisture and cloudiness when heating.
If the A/C button is turned on, the fuel economy will deteriorate during cooling, but it does not have to use the A/C button when heating, so it has little effect on fuel economy.
Even if the air compressor does not use it at all, it may cause a failure, so let's take a look at the opportunity while maintaining the air conditioner.
車の暖房を使うときに確認したいこと
A暖房はエアコンのA/Cボタンを押すべき？
The air conditioner of the car has only the function of cooling and dehumidifying even if the A/C button is turned on, so you do not need to press the A/C button when you want to warm the car.
A冬場はいつA/Cボタンを使えばいい？
When the windshield is cloudy or condensed, press the A/C button to dehumidify.It is also effective to use air conditioner wind -oriented (defloster) and outside air introduction.
A車の暖房を付けると燃費は悪くなる？
The fuel efficiency gets worse as the time to turn the compressor is longer.In other words, heating that does not have to press the A/C button frequently has little effect on fuel economy.
A暖房を付けても車が暖まらない原因は？
If the car does not warm up even though the car heating is used correctly, it may be due to a shortage of cooling water or a breakdown of the thermostat.First, check the amount of cooling water.