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Bus AC: How to Choose and Key Considerations

06
 26,
2024

The focus of this article is to show you how to choose the right bus AC and which bus AC parts must be confirmed with the bus air conditioner manufacturer. I am sure you will get a lot out of it after reading it. You will know which parts must not be fooled by the cheap price, or you will suffer a big loss later.

bus ac

How to choose a bus air conditioner?

Bus AC stands for bus air conditioner. It specifically refers to the air conditioning system used in buses. Its presence is very important for safe driving and the comfort of the passengers.

The main components of a bus air conditioner are compressor, condenser, expansion valve, evaporator, condensing fan, evaporating fan, and control system, etc.

bus ac

Which type of air conditioning a bus uses depends largely on the type of bus. If it is a traditional fuel bus, then it can only use a traditional bus AC. If it is a new electric bus, it will need to install an electric bus AC. This is because the two types of air conditioners are driven differently and therefore there is no way they can be used indiscriminately.

① The first step is very simple.

The type of bus air conditioner needs to be judged in relation to the type of bus. Choose a conventional air conditioner for conventional buses and an electric air conditioner for electric buses.

② The second step is to choose the cooling capacity of the bus AC.

It needs to be determined based on the size of the bus and the expected number of passengers. Regular buses can directly choose the corresponding model based on the length mentioned in the title of TKT bus AC.

For example, "13M-14M Diesel Big Bus Air Conditioner", which corresponds to your bus being fuel driven and between 13-14m in length. Usually a 13-14m bus needs 38-40kw of cooling capacity. a 8-10m bus needs around 20-26kw. a 6-7m bus needs around 15-18kw.

bus ac

Conventional Diesel Bus Air Conditioning

Then again, "10M-12M Electric Bus Air Conditioning", it corresponds to your bus being purely electric powered and between 10-12m in length. Usually a 10-12m bus needs a cooling capacity of around 35-42kw. an 8-10m bus will need around 20-26kw of cooling capacity. 6-7m buses are usually around 10-16kw.

Electric buses have different components than conventional buses. Even if the length of the bus is the same, the actual passenger space of the bus is different. Therefore the cooling capacity required for air conditioning is also different. TKT HVAC has extensive OEM experience in providing customized bus AC services. Inquiries are welcome.

electric bus ac

Electric Bus Air Conditioning

In addition to the length of the bus, the cooling capacity is also related to your local temperatures. If your local temperature is not very high and there is a cost reduction consideration, you can also choose a lower air conditioning model. Of course, if you have enough budget, I suggest you should choose the corresponding length. Because now the global temperature continues to rise, if you find that the cooling capacity is not enough, and then replace a new air conditioner, the cost is very big.

If you need all the bus air conditioner solutions, please click.

For expert and engineer advice, please leave your contact details.

③ The third step is to identify the core component configurations used by the bus air conditioner supplier - the determining factor of bus AC quality.

A bus AC is a complex air conditioning system. It is made up of a series of parts such as the compressor, condenser, and evaporator. Damage to any one of the parts will cause the system to fail to operate.

Among them, the quality of the core and vulnerable parts usually determines the stability and service life of the bus air conditioner. If you are greedy for the low price of purchase, you are likely to get endless after-sale problems and insufficient cooling capacity in return.

The compressor is one of the important parts of the bus AC.

First of all, the type please make sure to recognize the scroll compressor. This is the most advanced type of compressor nowadays.

Secondly, please make sure to recognize the big brands, such as BOCK, BITZER, SANYO, and so on. They are world-famous brands with the best performance and stability. As a 24-year bus AC expert, I remind you that this part is not to be saved.

Scroll compressors

A high quality bus air conditioning compressor is very important.

The evaporator and condenser are important parts in determining heat transfer efficiency.

If they are of average quality, they may lead to problems such as reduced heat exchange efficiency, increased energy consumption, and decreased system stability.

Let's say you are a person with a large meal. The meal is very flavorful, but you are only given a very small, very small spoon. If you now have only 10 minutes to eat, you will not be able to finish all the food even if you try harder.

Please be sure to choose the copper tube and aluminum sheet type for the evaporator and condenser cores rather than the parallel flow.

Parallel flow core is made of aluminum, which is cheaper and lighter, and can save cost. But compared to the copper tube aluminum sheet type, it is in the most important heat transfer efficiency, corrosion resistance and comprehensive life, the gap between the two is very large.

core

Condenser cores and evaporator cores are very important.

As a top bus air conditioner brand, we have 24 years of experience. Therefore, we clearly understand how to optimize the price of the product while guaranteeing the quality of the product.

If you still want to know more details about the configuration, please leave your contact information and talk to TKT HVAC engineers.

④ The fourth step: Bus AC Warranty

A bus air conditioner price is affected by the cost of its individual parts and the cost of labor. Aside from that, it also has a lot to do with how long it takes to file a warranty and what it covers. The top bus air conditioner manufacturers usually have a warranty period of 18 months. For special projects, they are generally willing to accept requests to extend the warranty for an additional fee.

Any product and part has its own lifespan. If it meets the customer who can use it, the life span will be longer. If it meets the customer who will not use it or uses the environment poorly, then the life span will be shorter. The same is true for bus air conditioners. Are you willing to be a customer who will use it or a customer who won't use it?

Therefore, when purchase a bus AC, on the one hand you need to choose a bus air conditioner manufacturer that emphasizes on product quality. On the other hand you need to learn how to properly use and maintain your bus air conditioner.

When summer comes, the bus AC will keep running at a high frequency for a long time. In order to use it better, it is very important to take good care of it. That way it won't drop the ball at critical moments. Here are some of the most common maintenance requirements. Be sure to schedule your employees to complete them.

1, Condenser and evaporator cleaning
Check and clean the air path to ensure it is clear. It is recommended to clean them 2-3 times a year.

2, Return to the cleaning of the grille
Wash with water and dry completely. Clear 1-2 times per month is recommended.

3, Confirmation of refrigerant condition
Regularly observe whether the refrigerant quantity in the system is sufficient through the liquid-viewing mirror. If the sight glass is transparent without bubbles, the refrigerant is normal; if there are bubbles, it means that the refrigerant is insufficient, and it is necessary to look for the leakage parts and replenish the refrigerant.

4, Inspection of each joint
Regularly check whether each joint of the gas line and pipeline is firm. If found even deal with it to avoid refrigerant leakage. Recommended 2-3 times a year.

If you want to know more, please feel free to leave your contact information and talk to our engineers.

The working principle of a bus AC is similar in nature to that of a home air conditioner. They are both based on the properties of refrigerants.

First, bus air conditioners evaporate into a gas by means of a refrigerant that absorbs heat from the inside of the bus in an evaporator. The heat inside the vehicle is absorbed and therefore cooling is achieved.

In the second step, the refrigerant quickly removes heat through the action of the condenser and condensing fan. After the heat is removed it changes back to a liquid state. This allows it to continue to absorb heat from the car inside the evaporator.

In the third step, the continuous flow of refrigerant is not something that can be accomplished spontaneously. It requires the impetus of a compressor. The compressor is the key to continuous circulation, thus ensuring continuous cooling.

The cycle is completed by multiple parts running at the same time, and is not really sequential. I'm just explaining it for ease. I have a more detailed article on this, if you don't understand it yet click on it. https://www.busthermo.com/bus-aircon-news/

bus air conditioner parts

In addition to similar principles, other places are very different.

1, scale size: the size, cooling capacity and weight of bus air conditioners are much larger than home air conditioners.

2, Functionality: the bus air conditioner is used in a more complex environment. It needs stronger shock resistance, corrosion resistance, high temperature resistance, etc..

3, maintenance: bus air conditioning frequency of use, power and passenger capacity is usually higher, so regular maintenance and maintenance is very important.

In summary, the price of bus air conditioning is much higher than home air conditioning. After all, one is a commercial product, one is a residential product. The difference in performance and quality is huge.

The focus of choosing a bus AC is the cooling capacity and product quality and after-sales service. It is normal for a bus air conditioner to be more expensive if you have high requirements for the three key elements. If you have a limited budget or choose a supplier with an extremely low quote, then you have to accept that one or even two of these points are not excellent.

It is a universal truth that you get what you pay for. For example, Samsung cell phones are believed to be a familiar brand of cell phones. It mainly consists of high-end models in the Galaxy S and Note series, as well as low-end and mid-range models in the Galaxy A and M series. The different models all address basic call functions, running of commonly used apps, and other functions. They are all of one brand, so why do they still have different prices? Obviously because they have different part configurations. High-end models choose top processors, lens modules, screen materials, etc., which correspondingly improve the performance, camera, and screen experience.

After knowing so much, what quality of bus AC do you want to choose?

TKT EV solution

Contact TKT HVAC Now: Bus Air Conditioner Manufacturers in China

Email: md@tkt-hvac.com
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