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Freezer×トレイン・ジャパン - List of Manufacturers, Suppliers, Companies and Products

Freezer Product List

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Low-cost, high-efficiency turbo chiller "CenTraVac"

For those who prioritize cost. A long-selling machine with the world's highest efficiency that reduces initial costs, power consumption, and management fees.

This is a turbo refrigeration unit with a history of continuous improvements since its development in 1938, along with many achievements and reliability. Not only is it highly efficient and environmentally friendly, but its design is also backed by years of research and technological expertise in the structure of refrigeration units. With a simple structure and consideration for customer safety and environmental protection, it boasts an overwhelming market share worldwide and contributes to energy savings in buildings and factories around the globe. 【Features】 ■ Low-pressure refrigerant (R-123) ■ World’s highest efficiency COP 6.6 (50 Hz) ■ Non-flammable ■ Low rotation, low noise, low vibration ■ Simple structure with high reliability ■ Can be delivered in sections

  • Other air conditioning equipment

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Air Conditioning Basics: What is the Refrigeration Cycle?

Currently, the promotion of non-Freon alternatives is being advanced with further consideration for the environment!

Air conditioning equipment such as air conditioners and turbo refrigerators creates cold water and air by utilizing refrigerants and refrigeration cycles. This article explains the refrigeration cycle of air conditioning, including the relationship between changes in the state of matter and pressure. Please take a moment to read it. 【Contents】 ■ Heat and state changes ■ Pressure and changes in matter ■ Refrigeration cycles of turbo refrigerators and home air conditioners ■ Why are refrigerants (such as Freon gas) commonly used? *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF document or feel free to contact us.

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Air Conditioning Basics: Refrigeration Cycle and p-h Diagram

The advantage of using an economizer for gas-liquid separation after depressurization is that it can reduce power consumption!

Air conditioning equipment such as air conditioners and turbo refrigeration units generates cold water or air by repeating four processes known as the refrigeration cycle. In this column, we will explain the p-h diagram, which illustrates the state of the refrigerant during each process on a single line diagram, allowing us to understand the conditions and values of each component and apply this knowledge to the design and operation of refrigeration units. Please take a moment to read it. [Contents] ■ What can be understood from the p-h diagram ■ p-h diagram for single-stage compression ■ p-h diagram for multi-stage compression *For detailed content of the article, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.

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Air Conditioning Basics: What is Surging?

Introducing the compression methods of turbo refrigerators and the causes of surging!

Surging is a phenomenon in which the discharge gas pressure of a centrifugal compressor is overcome by the pressure on the discharge side, resulting in the inability to discharge gas or the occurrence of gas backflow. When surging occurs in a centrifugal compressor, vibrations become intense, and operation becomes unstable. This indicates that the pressure head of the compressor is insufficient. This article provides a detailed explanation of the causes of surging in turbo refrigerators and the surging limits, so please take a moment to read it. [Contents] ■ Compression method of turbo refrigerators ■ Causes of surging in turbo refrigerators ■ Surging limits of turbo refrigerators *For more detailed information, you can view it through the related links. *For further details, please refer to the PDF materials or feel free to contact us.

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Methods for Reducing Running Costs of Air Conditioning Equipment LCEM

Efforts to reduce the running costs of air conditioning can be considered an important issue!

Air conditioning accounts for a significant portion of a building's energy consumption. For example, in office buildings, air conditioning represents about 28% of energy consumption (according to the Energy Conservation Center, Japan). In other words, when considering energy costs related to building operation and management, such as measures against global warming and reductions in utility expenses, energy-saving measures for air conditioning can be effective. This article introduces key points for reducing the running costs of air conditioning. [Contents] ■ The challenges of energy-saving air conditioning are solved by LCEM ■ Considerations by stage ■ Examples of systems that reduce air conditioning running costs ■ Benefits for energy-saving companies *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

  • air conditioning

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What causes the carbon dioxide emitted from buildings?

A solid foundation for paving the way to decarbonization! Introduction of useful air conditioning information.

Carbon emissions (or carbon production) refer to a general measurement of the amount of CO2 generated directly, indirectly, or through the value chain. On the other hand, the carbon footprint represents the total impact of an organization, expressed as the sum of all carbon emissions. While these terms are sometimes used interchangeably, it is important to understand the differences between them. Specific actions at the operational level have a significant impact on the carbon footprint, making the total carbon emissions the most important factor for decision-makers in buildings and facilities. [Contents] ■ Scope 1 "Direct" emissions ■ Scope 2 "Indirect" emissions ■ Summary *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

  • air conditioning
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[Case Study of Refrigeration and Control System] Mercedes-Benz USA Headquarters

Improving the overall reliability of the system and employee comfort! Examples that have brought about various effects.

We would like to introduce a case where a turbo chiller and control system were adopted by Mercedes-Benz. The company experienced a malfunction with their chiller, and the facility manager requested technology that could achieve reliability, durability, and high efficiency simultaneously, as well as a quick response to minimize the rental costs of the chiller. By implementing our turbo chiller and control system, three benefits were achieved: improved reliability and efficiency, energy savings and cost reduction, and optimization of performance along with comfort. [Challenges] ■ Reliability and durability ■ Technology that achieves high efficiency simultaneously ■ Quick response to minimize chiller rental costs *For more details, please refer to the related links or feel free to contact us.

  • Refrigerators and freezers

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[Case Study on Turbo Refrigeration System] Snow Brand Milk Products Co., Ltd.

Rapid cooling after heat sterilization! Introducing a case study of a non-Freon refrigerant turbo freezer.

We would like to introduce a case study of the implementation of the "R-514A adopted ultra-low GWP turbo refrigeration unit" at Snow Brand Megmilk Co., Ltd. The refrigeration units currently in use at the company were using old refrigerants such as CFCs, HCFCs, and HFCs. As part of their efforts to reduce environmental impact, a non-fluorocarbon refrigeration unit using R-514A was considered. The equipment was introduced in a ratio of one turbo refrigeration unit to five screw refrigeration units, and optimal control was adopted according to the load. [Case Overview] ■ Challenges - Transition all refrigerants to those with minimal environmental impact as much as possible. ■ Results - Achieved the goal of non-fluorocarbonization of the turbo refrigeration unit in a system that utilizes both turbo and screw refrigeration units. *For more details, please refer to the related links or feel free to contact us.

  • Cooling system

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The Fluorocarbon Emission Control Law is set to be revised, with consideration for strengthening penalties.

Considering the strengthening of regulations from four perspectives! Introducing the background of regulatory enhancement and what lies ahead.

On January 16, 2019, the Ministry of the Environment and the Ministry of Economy, Trade and Industry solidified their policy to strengthen regulations on alternative refrigerants under the Fluorocarbon Emission Control Law. According to survey results compiled by the Ministry of the Environment in December 2018, it was revealed that 63% of alternative refrigerants used in equipment such as air conditioners and refrigerators are disposed of without being recovered at the time of equipment disposal. The Ministry of the Environment has begun considering imposing stricter penalties on businesses, as they see this as contributing to delays in measures against global warming. [Contents] ■ Survey results from the Ministry of the Environment (December 2018) ■ Consideration of strengthening regulations from four perspectives ■ Background and future of regulatory strengthening *For detailed information, please refer to the related links. *For more details, please refer to the PDF materials or feel free to contact us.

  • air conditioning
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Things companies should understand regarding the amendment to the "Fluorocarbon Emission Control Act."

Are you missing out by not knowing? An introduction to the suppression of freon emissions, said to be a cause of ozone layer destruction.

The "Freon Emission Control Law," which came into effect in April 2015, is a revised law that modifies the previous "Freon Recovery and Destruction Law." The suppression of Freon emissions, which is said to be a cause of ozone layer depletion, is an important theme in global environmental issues. Here, we will introduce what companies should understand under the revised "Freon Emission Control Law." [Contents] ■ What has changed with the revision of the Freon Emission Control Law? ■ Increased efforts by managers due to the revision of the Freon Emission Control Law ■ Mindset during Freon leaks based on the Freon Emission Control Law ■ Compliance with the Freon Emission Control Law *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

  • air conditioning
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Japan's Response to the Kigali Amendment

A digest on the future of HFC regulations based on the Kigali Amendment to the Montreal Protocol!

The "Kigali Amendment," which establishes obligations for the phased reduction of HFC consumption. In Japan, in anticipation of the issuance of the Kigali Amendment on January 1, 2019, a response plan was compiled in September 2017. In response, a public comment period was held from October 6 to November 6, 2017, but this time we will explain the proposal prior to the reflection of public comments. Please take a moment to read it. [Contents] ■ Japan's response to the Kigali Amendment - Basic policy for domestic guarantees - Regulated substances - Handling of standard limits - Handling of destruction quantities - Other considerations *Detailed content of the article can be viewed via the related link. *For more information, please refer to the PDF materials or feel free to contact us.

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Turbo chiller using ultra-low GWP non-Freon refrigerant.

Excluded from the 'Fluorocarbon Emission Control Law' and 'High-Pressure Gas Safety Law'! A full lineup covering all capacity ranges from small to large.

This is a turbo chiller that was the first in the world to adopt non-Freon refrigerants, significantly reducing environmental impact. Due to the use of low-pressure refrigerants, it is not subject to the High-Pressure Gas Safety Act, eliminating the need for qualified personnel and various notification management tasks. Additionally, as it is non-combustible, there is no need to comply with the regulations and guidelines required for 2L (mildly flammable) refrigerants. 【Features】 ■ Non-Freon and ultra-low GWP ■ Low-pressure refrigerant ■ World’s highest efficiency COP 6.5 (50 Hz example) ■ Non-combustible ■ Low rotation, low noise, low vibration

  • air conditioning

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Air Conditioning Basics: What is a Turbo Refrigeration Machine?

It is possible to manage air conditioning for a wide area all at once! Introducing the work and types of turbo chillers.

Train is a long-established manufacturer that has conducted advanced technological revolutions in the development of turbo refrigeration systems. It has fundamentally changed the industry's perception of large air conditioning systems, and the continuation of this technological innovation has resulted in high-efficiency turbo refrigeration systems that quickly adopted non-fluorocarbon refrigerants such as "R-1233zd" and "R-514A." This article will explain the structure and mechanism of turbo refrigeration systems. [Contents] ■ Methods of air conditioning ■ Central air conditioning ■ The work of turbo refrigeration systems ■ Types of turbo refrigeration systems ■ Components of turbo refrigeration systems ■ Refrigerant circulation in turbo refrigeration systems *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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Air Conditioning Basics: What is an Absorption Chiller?

We will introduce the types of refrigerators and absorption refrigeration cycles!

An absorption chiller uses "water" as a refrigerant and is a device that produces chilled or hot water by utilizing the absorption refrigeration cycle. Since it uses "water" found in nature, it is also called a natural chiller. This article will explain the structure and mechanism of absorption chillers, comparing them with turbo chillers that are often used for the same purpose. [Contents (excerpt)] ■ Types of chillers ■ Vapor compression refrigeration cycle ■ Absorption refrigeration cycle ■ Absorbent: What is lithium bromide? ■ Advantages of absorption chillers *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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Air Conditioning Basics: Primary Energy Conversion

The COP of absorption chillers is calculated from primary energy! Comparing the efficiency of chillers under the same conditions.

When comparing the COP of absorption chillers and turbo chillers, the COP of turbo chillers listed in catalogs is around 6, which is high, but this value is calculated based on the power consumption of secondary energy. On the other hand, the COP of absorption chillers is calculated from primary energy, and to compare the efficiency of chillers under the same conditions, a primary energy conversion is performed. This article provides a detailed explanation of primary energy conversion. [Contents] ■ Primary energy and secondary energy ■ Power generation loss and transmission loss ■ Primary energy conversion values *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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