How Truck Refrigeration Units Work

Truck chillers units can be roughly divided into compressors, condensers, and evaporators. How do they work to achieve refrigeration?

Compressor—Under the driving of the engine, the refrigerant vapor in the evaporator is continuously sucked, compressed to form a high-temperature refrigerant vapor, and discharged to the condenser to create a high pressure condition for the continuous condensation and heat release of the refrigerant in the condenser.

Zhengzhou Guchen industry Co., Ltd. as the distributor of QP series compressors and truck refrigeration unit for ambient temperature manufacturers supply original imported QP compressors and other original compressor spare parts for truck refrigeration units with competitive pricing. The QP compressors for the R404a refrigerant, it will make refrigeration units has the advantages of below: 

▲ Low failure rate

▲ Stable working performance

▲ Long-term service life 

▲ Easy to install

Condenser - The heat contained in the high temperature and high pressure refrigerant steam discharged from the compressor is released to the outside air flowing through the condenser, and the refrigerant vapor is condensed into a refrigerant liquid. Most of the condensers are arranged in front of the head cooling water tank, and are cooled by the cooling fan and the windward airflow generated by the car.

Evaporator—low temperature and low pressure The refrigerant liquid continuously evaporates and vaporizes, absorbs the heat flowing through the evaporator air to cool the air in the cabin. The evaporator is arranged in the vehicle compartment and is usually supplied by a centrifugal fan.

Zhengzhou Guchen industry Co., Ltd. produce various refrigeration units, apply for small to big truck, direct drive, diesel powered and electric powered transport reefer units for your fresh, frozen or deep frozen transport, and each type of refrigeration unit has a very good quality evaporator and condenser, the cooling effect is very good, and the price is cheap, welcome to contact us!

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What is Cold Chain Transportation

What To Consider When Buying A Truck Refrigerated Unit

The cold chain transportation mode can be road transportation, water transportation, rail transportation, air transportation, or it can be a comprehensive transportation mode composed of various transportation modes.

Guchen Thermo manufacture all kinds of truck refrigeration system, direct drive truck refrigeration units, apply for small to big truck, direct drive, diesel powered and electric powered transport reefer units for your fresh, frozen or deep frozen transport. 

For example the TR-550 direct drive truck refrigeration units are vehicle engine driven units, suitable for medium or big refrigerated trucks with 20~30 m³ or 5.1 meter length truck bodies. With its R404a Eco-friendly refrigerant, the cooling capacity is up to 5800W, to make temperature in truck bodies at -18℃ to +30℃.

The objects of cold chain transportation are mainly divided into three categories:

1, fresh products: vegetables, fruits; meat, poultry, eggs; aquatic products, flower products.

2, processed foods: frozen food, poultry, meat, aquatic products such as packaged cooked food, ice cream and dairy products; fast food ingredients.

3, pharmaceutical products: all kinds of drugs that require refrigeration, medical equipment and so on.

Cold chain transport temperature

Refrigerated transportation (-18°C to -22°C): Provides transportation of frozen transport vehicles that comply with standards such as frozen foods, meat, ice cream, etc.

Refrigerated transportation (0°C～7°C): Provide transport of refrigerated transport vehicles that meet the standards such as: fruits, vegetables, beverages, fresh milk products, flowers and plants, cooked food products, various types of cakes, various food materials and other goods.

Constant temperature transportation (18°C～22°C): Provide transport of heat-insulated, temperature-controlled transport vehicles that comply with standards, such as chocolate, confectionery, pharmaceuticals, chemical products, and so on.

As the biggest direct drive split truck refrigeration manufacturers in China, Guchen Thermo manufacture all kinds of truck refrigeration system, the temperature of these units are from -30℃ to +30℃, so they can meet your needs for your fresh, frozen or deep frozen transport. 

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Truck Refrigeration Unit Maintenance Knowledge - Cleaning Condenser

Cleaning heat network process

Stype1: Remove the outer hoodCleaning the radiator is not a difficult task. The first step is to remove the outer hood of the truck refrigeration unit.

Step2: remove the cooling fan

The radiator is installed in the front of the truck refrigeration unit, and the rear or upper side is the cooling fan. Both the front and rear sides can be easily cleaned after the fan is removed.

Step3: check the cooling network

Check the surface of the heat sink and the large debris such as branches and leaves between the cooler and the cabinet to ensure that the cold machine stops working under the premise of manual cleaning.

Step 4: Brush Cleaning

If there are too many attachments, it is recommended to use a brush to clean the foreign matter attached to the surface of the heat-dissipation net first before using the air pump.

Step 5: Air Pump Cleaning

The cooling fan of most truck refrigeration system is an air suction fan, which is easy to clean in the opposite direction. Some vehicles cannot clean the air pump when they cannot enter the air pump.

Step 6: Wash with water

When all the surfaces of the condenser are cleaned, very colored water will flow from the lower part of the car. At this time, it will continue to be cleaned. When the water flowing out is clean and transparent, the condenser and the water tank have been cleaned.

Step 7: Install the cold hood

Turn on the cold machine before the washing is completed. Use the wind to suck any foreign substances that may remain. The cleaning is basically completed. Then, the outer hood is installed and fixed to end the cleaning work.

Guchen Thermo manufacture all kinds of truck refrigeration system for sale, apply for small to big truck, direct drive, diesel powered and electric powered transport reefer units for your fresh, frozen or deep frozen transport. Contact us: info@guchenthermo.com

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Hot Sale Model: TR-350 Truck Refrigration Units Customers Feedback

Brief Introduction of Guchen Thermo TR-350 Truck Refrigeration Unit​

TR-350 truck refrigeration is vehicle engine driven and condenser front mounted units. suitable for 5 ~ 25m³ small and medium sized or 3.9 meter length to 4.2 meter length refrigerated truck bodies. It has one condenser fan and two evaporator fans,large cooling capacity, R404a refrigerant, -30℃ ~ +30℃ temperature for fresh, forzen and deep frozen transport. 


Photo: TR-350 truck refrigeration condenser(left) and evaporator(right)

​Customers Feedback on TR-350 Truck Refrigeration Units

As one of the most popular models of Guchen Thermo truck refrigeration units, the TR-350 models get our customers highly appreaciated! Let's see some installation photos from our customers! 

1. TR-350 Truck Refrigeration Export to Nicaragua 

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Photo: TR-350 truck direct drive refrigeration unit installation in Nicaragua

2. TR-350 Transport Refrigeration Export to Mexico

Photo:  TR-350 truck refrigerated system price list in Mexico and installation

3. TR-350 Refrigeration Units for Truck Export to Barbados

Photo: TR-350 truck refrigeration unit direct drive price list installation in Barbados

4. TR-350 Truck Reefer Units Export to Morocco

Photo: TR-350 truck refrigerated system installation in Morocco 

5. TR-350 Transport Refrigeration Units Export to Middle East

Photo: TR-350 truck reefer units for sale installation in Middle East

That are some of TR-350 vehicle refrigeration units installation feedback, all of our customers think very highly of TR-350. For other models, please see our truck refrigeration catalog or you can contact us directly for recommendation. 

To be Guchen Thermo Distributors in Your Local Areas

Distributors make the business more easily and conveniently. We are looking for distributors. As for now, we have some of distributors around the world, and according to the distributors feedback, Guchen Thermo is popular in the local areas market. So it is a bright future and a graet chace to coperate with us! We also give the preferential policy to our distributors, if you have interest in being a distributor, welcome to send email for details. 

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How to Set Temperature in Summer?

Guchen Thermo as the leading direct drive truck refrigeration unit manufacturers always devoted to customers demands on transport refrigeration units. With the hot summer is coming, more and more customers ask for what the temperature that they should set when transport frozen foods. So here we can see it for reference only. 

Fresh fish is -3℃ for better; meat or beef is 2℃ to 5℃ can be kept for one week; pasteurized beer is better for 10℃ to 25℃, cask beer is better for 0℃ to 5℃; fresh milk is better for 2℃ to 4℃. 


Photo: Guchen Thermo direct drive split truck refrigeration manufacturers

What’s more, it should also take ambient temperature and load or upload cargoes into consideration, after all the refrigerated trucks are not equal to mobile cold store, so when you set temperature, lower few ℃ is more safe. 

For the product choose: TR-450S, 550S, 760S electric integrated standby system truck refrigeration is very suitable for hot summer use, large cooling capacity, fast cooling speed, standby system, keep your cargoes fresh all the time！ 


Photo: Guchen Thermo truck refrigeration direct drive suppliers


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What Business Field of Truck Refrigeration Units Used for ?

With the species of storage cargoes increasing, many of cargoes will be gone bad if not keep refrigerated temperature conditions when transportation. So the cold chain logistics emerge at the right moments. Lots of business field needs cold chain logistics to deliver to end users, such as medical field, beverages field, meat field, fast frozen food and dairy products field are more popular in cold chain logistics. 
1.Medical Field
Medical cold chain logistics is that when medical manufacture and delivery, based on refrigeration technology and medical GMP and GSP management deliver medical under the low temperature, needs special device such as truck refrigeration or van refrigeration equipment. Generally to say, if it requires 2℃ to 8℃ low temperature transportation condition, it also belongs to medical cold chain logistics. 

With the economy development in many of countries, the medical security promoted a lot. More and more countries focus on the medical cold chain logistics. Guchen Thermo astruck reefer suppliers, can supply direct drive truck refrigeration condenser front mounted price list, for more please contact us! 
2.Beverage Field
Beverages are more popular in hot summer! Especially in these years, the beverages kinds are increasing and it delivers to the customers hands more frequently. Keep the beverages safe and cool is important. Guchen Thermo can supply integrated electric standby truck freezer units for this field, help reduce fuel consumption, keep beverages safe. Our truck freezer price are competitive compared with the same transport refrigeration. 
3.Meat Field
Meat products, such as beef, fish, mutton, chicken and so on are more common in the ordinary family dining-tables. With the meat industry growing fast, the cold chain logistics for meat products are in needed. For the meat transportation, Guchen Therm TR-550 truck freezer units especially designed for meat. 
4.Fast Frozen Foods Field
Fast frozen foods make our life convenient. It is frozen fast under the temperature of -25℃ and needs -18℃ or less to store and transport. As for the fast frozen foods, it has a higher demands to transportation temperature, so the truck refrigeration units should be high quality. Guchen Thermo TS series diesel engine truck freezer units and integrated electric standby truck refrigeration units are suitable for fast frozen food delivery. 
5.Dairy Products Field
Most of people get used to drinking milk every day. So it needs fresh chiller delivery for milk products, especially at summer. If not transport in good conditions, it may result in lots of loss. 
Cold chain transportation are the important part of cold chain logistics. With the development of countries, refrigeration technology is development too. Guchen Thermo as thetruck reefer supplier are devoted to china direct drive truck refrigeration unit and van refrigeration, supply competitive price to our customers.  

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3 Matters Should to Attention to when Use Truck Refrigeration Unit

Truck refrigeration as the main part of refrigerated truck can keep the cargoes fresh. Users should pay attention to the maintenance of truck refrigeration system. We conclude into 3 matters that should to care when use the truck refrigeration. Let’s see the tips!1.Truck Refrigeration should Match to the Right Truck Body Size
Usually, different brands of truck refrigeration also have the different models for different size of truck body. Large cooling capacity and airflow is used for the large truck body size. If the truck body size is not matched, it may result in the bad refrigerating effect. So if you think your truck refrigeration units not refrigerating well, please check whether the units’ cooling capacity is not enough. 


Photo: Guchen Thermo TR-200 china truck refrigeration unit direct drive installation 2.Place Cargoes in Suitable Position 
When you place cargoes, please do not make cargoes close to truck body platform floor, leave some space for the air flow in order to have a better refrigerating effect. 
3.Clean and Disinfect Refrigerated Trucks 
Not only for the food security, but also for a better refrigerating effect, clean and disinfect refrigerated trucks are very important. For example, milk, meat, butter, cream, fruits and vegetables are easy to absorb into strong smell, so if you before transport such as fish or other things that have a strong smell, please clean and disinfect trucks. About Guchen Thermo Co.,Ltd
Guchen Thermo is truck refrigeration manufacturers in China, all of our truck refrigeration unit made in China have high quality and competitive price. So we are looking fortransport refrigeration system suppliers to sell our truck refrigeration and van refrigeration in local areas. Interest please contact us!

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