トレイン・ジャパン List of Products and Services

In building management, improving the indoor environment has become a very important factor for tenant retention and ensuring the safety and hygiene of workers and visitors. Many building owners and managers may be considering the introduction of high-performance air purifiers that can improve indoor air quality (IAQ) to an appropriate level without making extensive modifications to large-scale HVAC systems. This article explains the system configuration and mechanisms of the Train Air Cleaning System. [Contents (excerpt)] ■ What is the Train Air Cleaning System (TACS)? ■ System configuration and mechanisms ■ Sterilization effects on airborne bacteria ■ Characteristics of TACS ■ Examples of integration into AHUs *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.

• Clean Room

In contrast to "room air conditioners" primarily used in households, air conditioners used in stores and large facilities are generally referred to as "package air conditioners." This article explains the types and features of package air conditioners. It provides detailed information on the mechanisms of package air conditioners and the differences between them and multi air conditioners for buildings, so please take a moment to read it. [Contents] ■ Types of commercial air conditioners ■ Differences between package air conditioners and multi air conditioners for buildings ■ Mechanism of package air conditioners ■ Mechanism of rooftop package air conditioners *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.

• Air conditioning

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 from 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, you can view it through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

• Refrigeration units, boilers, cooling towers

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 an 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 chillers and the limits of surging, so please take a moment to read it. [Contents] ■ Compression method of turbo chillers ■ Causes of surging in turbo chillers ■ Surging limits of turbo chillers *You can view the detailed content of the article through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

• Refrigeration units, boilers, cooling towers

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," which is found in nature, it is also referred to as 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 purposes. [Contents (Excerpt)] - Types of chillers - Vapor compression refrigeration cycle - Absorption refrigeration cycle - Absorbent: Lithium bromide - Advantages of absorption chillers *For detailed content, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.

• Refrigeration units, boilers, cooling towers

Train is a long-established manufacturer that has carried out 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 explains 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.

• Refrigeration units, boilers, cooling towers

When expressing the capacity and efficiency of refrigeration machines and chillers, various units are used. This article explains representative units related to air conditioning equipment. In actual properties, if the annual load pattern and cooling water temperature are known, and if the analysis results show that the annual operating ratio and cooling water temperature at partial load differ from the values in the IPLV calculation formula, it is also necessary to adjust the calculation formula values to match the analysis results. [Contents (Excerpt)] ■ Before the calculation formula - Basics of refrigeration and heat ■ Unit of refrigeration capacity: "Refrigeration Ton" ■ Calculation formula for refrigeration tons ■ Efficiency of refrigeration machines: What is COP? ■ Calculation formula for IPLV (Integrated Part Load Value) *Detailed content of the article can be viewed via related links. *For more information, please refer to the PDF document or feel free to contact us.

• others

Air conditioning equipment such as air conditioners and turbo refrigerators 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 at each stage on a single line diagram, allowing us to understand the conditions and values of each part and apply this knowledge to the design and operational status of refrigeration machines. 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 refer to the PDF materials or feel free to contact us.

• others

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

• others

Train, as an environmental expert in the HVAC industry, is actively transitioning to non-fluorinated next-generation refrigerants to achieve sustainability. As the second phase of this transition to non-fluorinated refrigerants, we will soon announce a turbo chiller that uses the refrigerant "R-514A." This article provides a detailed explanation of the benefits of the refrigerant used in Train's turbo chillers and the services related to refrigerant conversion. [Contents] ■ Main features of the non-fluorinated refrigerant R-514A ■ About the turbo chiller using R-514A ■ Refrigerants suitable for conversion from HFC refrigerants *For detailed information, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

• others

As one of the measures to combat global warming, there is a demand for the reduction of HFC refrigerants with high GWP values (Global Warming Potential), which are widely used in air conditioning and refrigeration equipment. This article explains the current main applications of HFC refrigerants in refrigeration and air conditioning equipment, and what types of refrigerants will be transitioned to in the future. Please take a moment to read it. [Contents] ■ Proportion of HFC emissions by equipment type ■ Status of transition from HFCs to low GWP refrigerants by application ■ Progress of transition to low GWP refrigerants in various applications *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.

• others

Freon was developed by humanity for use in devices aimed at cooling objects. It is an artificial substance that evaporates easily and has the property of dissolving oils, which has led to its application in various products and industrial uses. However, Freon also has its weaknesses. The Montreal Protocol, which came into effect in 1989, regulates two types of specific Freons: CFCs and designated Freons: HCFCs. Specific Freons are to be completely phased out by 1996, and designated Freons will soon be abolished as well. This article outlines the new refrigerants and explains the benefits of their introduction. [Contents] ■ The relationship between new refrigerants and Freon ■ From alternative Freons to new refrigerants ■ The trend of new refrigerants will continue to be a focus *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.

• others

Keynote speech by Tetsuro Kishimoto, Chairman of the Environmental Energy Network 21, on "Trends in Next-Generation Low GWP and Non-Freon Refrigerants in the Air Conditioning and Refrigeration Industry," is presented here in its third installment. In this final installment, we will cover "Amendments to the High-Pressure Gas Safety Act and the Fluorocarbon Emission Control Act," "Trends in Refrigerants," and "Protecting the Global Environment." We encourage you to read it. [Contents (Excerpt)] ■ Summary of the keynote speech "Trends in Next-Generation Low GWP and Non-Freon Refrigerants in the Air Conditioning and Refrigeration Industry" ■ Speaker Profile ■ Amendments to the High-Pressure Gas Safety Act and the Fluorocarbon Emission Control Act (Slides No. 25-29) ■ Trends in Refrigerants (Slides No. 30-32) ■ Protecting the Global Environment (Slides No. 33-43) *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.

• others

This is the second installment of the explanation of the keynote speech by the chairman of the Environmental Energy Network 21, titled "Trends in Next-Generation Low GWP and Non-Fluorinated Refrigerants in the Air Conditioning and Refrigeration Industry." This time, we will cover the topic of "(3) Development of Low GWP and Non-Fluorinated Refrigerants," focusing on "Requirements for Refrigerants" and "New Indicators (GTP)." Please take a moment to read it. [Contents] ■ Summary of the keynote speech "Trends in Next-Generation Low GWP and Non-Fluorinated Refrigerants in the Air Conditioning and Refrigeration Industry" ■ Speaker Profile ■ Requirements for Refrigerants (Slides No. 14-20) ■ About New Indicators (Slides No. 21-24) ■ Notes on Handling of Presentation Materials *Detailed content of the article can be viewed through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

• others

On April 19, 2017 (Wednesday) in Tokyo and April 21 (Friday) in Osaka, we held a "Product Launch Event for the New Turbo Refrigeration Unit Utilizing Non-Freon Next-Generation Refrigerant R-514A" for invited guests. As part of the keynote speech, the Chairman of the Environmental Energy Network 21 delivered a presentation on "Trends in Next-Generation Low GWP Non-Freon Refrigerants in the Air Conditioning and Refrigeration Industry." In this context, we will explain the content of the presentation, including the birth of refrigerants and trends in next-generation refrigerants, in three parts. [Contents] ■ Keynote Speech Digest: "Trends in Next-Generation Low GWP Non-Freon Refrigerants in the Air Conditioning and Refrigeration Industry" ■ Speaker Profile ■ History of Refrigeration, Air Conditioning, and Refrigerants (Slides No. 3-5) ■ Background of Freon Countermeasures (Slides No. 6-12) ■ Notes on Handling of Presentation Materials *Detailed content of the article can be viewed through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

• others

The "International Symposium on Environment and New Refrigerants" (Kobe Symposium) was held on December 6 (Thursday) and 7 (Friday), 2018. This event, organized by the Japan Refrigeration and Air Conditioning Industry Association, has been held biennially since 1994 and is highly regarded internationally as a platform for the presentation of information on the environment and refrigerants by government bodies, organizations, research institutions, universities, and companies. In this article, we will provide a report on our participation in the 13th Kobe Symposium. [Contents] ■ Program Overview - Day 1: 12/6 (Thursday) - Day 2: 12/7 (Friday) ■ Impressions (from our participants) *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.

• others

This is a packaged air conditioner suitable for large spaces such as restaurants, kitchens, amusement parks, supermarkets, home centers, cinemas, and factories. In addition to heating and cooling, it features an outdoor air intake function that maintains fresh air quality at all times, eliminating the need for air purifiers even in indoor environments where odors are a concern. 【Features】 - Automatic switching between heating and cooling even in winter - Can be used as an external air conditioning unit - Easy installation without the need for refrigerant piping work - Simple maintenance for inspections and repairs during business hours - Various options available, including all-fresh air systems

• Air conditioning equipment

Leveraging the experience and achievements of a long-established manufacturer of refrigeration units, we offer a wide range of "control and monitoring systems" including air conditioning equipment, system controllers, sensors, and software, providing comprehensive support from installation to after-sales service. From building automation to integrated management of multiple facilities, we propose highly flexible system construction primarily based on web technology that is optimal for our customers. 【Features】 ■ Extensive lineup of control devices ■ Consistent support ■ Proposal for system construction primarily based on web technology

• Monitoring and Control Equipment

This is a turbo chiller that was the first in the world to adopt non-Freon refrigerants, significantly reducing environmental impact. Due to its low-pressure refrigerant, 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 equipment

This is a turbo chiller 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 technical expertise in the structure of the chiller. With a simple structure and consideration for customer safety and environmental protection, it boasts an overwhelming share in the world market, achieving energy savings in buildings and factories worldwide. 【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

• Air conditioning equipment