1. Hot water coils offer fully modulating control through the use of a 3 way valve. The hot water coil, connections and valves are all tested at pressure of 15 bars. Frost protection is provided by forcing the opening the 3 way valve when supply temperature from hot water coil falls below 8°C and by stopping the outdoor fan when that supply temperature falls below 6°C. In addition to that, the 3 way valve is also opened at 10% value if the outdoor temperature falls below an adjustable value.
2. Hot water coils are always factory fi tted, wired and fully tested, prior to shipment.
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Dongfeng Commercial Vehicles is a well-known truck manufacturer in the vehicle industry. In the engine area, Dongfeng Commercial Vehicle's products are also excellent.
On December 17th, the DDi45 engine produced by Dongfeng Commercial Vehicle Co., Ltd. won the third “Rundi Cup†I trusted in the light-power group of the commercial vehicle evaluation “I trust the Power Awardâ€.
In this regard, Dong Yong Commercial Vehicle Co., Ltd. engine plant manager Wang Yong said: "We are very honored to receive this award, but also thanks to experts and users of our products affirmed."
Advanced technology is affirmed It is understood that the DDi45 engine adopts advanced technologies such as electronically-controlled common rail, supercharged intercooler, four-valve, and rear gear chamber, and has developed four types of models: 103, 118, 132, and 147 kW. 650 Nm, minimum fuel consumption 196 g/(kWh), noise ≤ 93.7 dB(A). At the same time, the development of a double tangential air intake branch low eddy current + tumble air intake system, with a small air platform shrunk shallow "ω" type combustion chamber, electronically controlled central jet efficient clean combustion system, mastered Efficient clean combustion system design and development technology.
“The DDi45 engine is an important component of our core competitive advantage. It is the result of accumulated experience and technical precipitation of commercial vehicles for more than 40 years. We have completely independent intellectual property rights. This engine won the first prize for scientific and technological progress in China's machinery industry in 2010. It has good fuel economy, good fuel economy, low noise, and its emission has reached the national IV level. It adopts the current mainstream electronically-controlled high pressure common rail + SCR technology and is mature and reliable. In the future, it can also be upgraded to the national V emission standard according to need.†: "The DDi45 engine has been praised not only by the expert judges, but also by the market and users. The Dongfeng Tianjin vehicle that matches this engine has become the industry's leading mid-cap model and established the industry benchmark."
The power boost provides support for the transformation. “Dongfeng Commercial Vehicle Co., Ltd. is a leading commercial vehicle company in China. Creating an autonomous engine and controlling the core technologies are our unrelenting strategic goals. We are also committed to the realization of 'China's east wind and the world's east wind.' 'Strong vision of strategic support.' Said Wang Yong.
Recently, Dongfeng Commercial Vehicle Co., Ltd. held a dealership meeting. At the meeting, from January to November, Dongfeng Commercial Vehicles achieved sales of 155,000 heavy-duty trucks, an increase of 13% year-on-year. The annual sales are expected to reach 163,000. Tianlong and Tianjin, the key commodities, continued to grow. In the first 11 months, Tianlong and Hercules heavy truck platforms increased by 20% year-on-year, and Tianjin Zhongka Platform increased by 17% year-on-year. In addition, the sales volume of Dongfeng Commercial Vehicles IV products has been steadily increasing, maintaining the industry’s sales volume.
Continuously providing customers with satisfactory products and creating greater value is the unswerving goal of Dongfeng Commercial Vehicles. In 2013, Dongfeng Commercial Vehicle continued to enhance its technical research and development capabilities and new product projects proceeded smoothly. For example, new powertrains such as the new X7 series engine have been developed.
Based on macroeconomic and market analysis, Huang Gang, general manager of Dongfeng Commercial Vehicle Co., Ltd., believes that the domestic demand for medium- and heavy-duty trucks will be around 1 million units in 2014, and the overall development will be more environmentally friendly, smarter, and higher-end. Faced with the demand situation of heavy trucks in 2014, Dongfeng Commercial Vehicles will continue to deepen the transformation of the second phase of marketing, create segmented industry star products, integrate resources, restructure subdivided industry business models, and achieve one-stop resource advantages driven by customer orders. Increase customer value.
"In the future, we will uphold the brand concept of trust, professionalism and technology, continue to provide the market with energy-saving, environmental friendly, customer satisfaction power products, continue to create value for customers, and contribute to social development." Said Wang Yong. 