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February 28 - The 55th International Air-Conditioning, Heating, Refrigerating Exposition (AHR EXPO) was held at McCormic Place in Chicago from January 27th to 29th, 2003.
AHR EXPO has been in existence since 1930 and it is the oldest and largest trade show in North America for the heating, ventilation, air conditioning and refrigeration industry.
It was the best attended and largest in its 73 year history with 1,401 companies represented (actual exhibitors were around 1,800) at almost 400,000 square feet total space covering most of the South and North Halls of McCormic Place. Mr. Hank Stevens, show manager, told to the press at the AHR EXPO Media Breakfast that pre-registered attendance of 29,331 is an AHR EXPO record. This number does not include walk-up registration and the estimated 21,000 people who are staffing exhibit booths.
The international participants were counted to 239 companies and over 4,000 attendees out of 29,331 pre-registered visitors are from 110 deferent countries outside the U.S.

Among the international visitors are a delegation from China that includes the Chinese Association of Refrigeration (CAR). Ms. Zhang Ping, Deputy Secretary General, lead a team of 6 managers of CAR and Beijing International Exhibition Center (BIEC) to promote the coming China Refrigeration 2003 (CR 2003) in Beijing from April 9th to 11th, 2003. As a matter of fact, Ms. Peng Lu of BIEC said that all the booth over 600 for CR 2003 were totally sold out and many companies are lining up for waiting.

This year a new development was made to award an AHR Expo Innovation Award Scholarship. The first award was presented to the John A. Logan College in Carterville, ILL at the AHR Expo Media Breakfast.
Among the above award winners, the booth of TURBOCOR was surely the most visited one. The crowd of visitors was very impressed with totally new concept of TT 300 Centrifugal Refrigerant Compressor. The compressor is not only 30% more efficient than other compressors in its size range, but also it is Oil-Free, lightweight, quiet and soft-start.

Samsung Electronics and Telefonica, Spain's largest telecommunications operator, have announced the joint opening of a home network showroom in downtown Madrid. Here, local consumers have an opportunity to experience home network services first hand.
The showroom is an extension of a joint ADSL project started with Telefonica last May. That project encompasses home networks, PCs, and the Hot Spot Service. (This service involves the installation of wireless LANs in airports, universities, offices and other environments with high user density. PDAs, notebook PCs and other terminals are connected to the wireless LAN to provide always on access to the Internet.) The new showroom paves the way for the two companies to cooperate continuously in the home network business and other future-oriented digital areas.
The showroom opening ceremony was accompanied with an official announcement of Telefonica's Casa (home) Digital vision, a model for digital services of the future. More than 300 people attended the ceremony, including reporters from local and foreign broadcasting companies, newspapers and magazines. The event received a great deal of attention in Spain. After the press conference, many of the people who took part in the home network demonstrations at the showroom said they were excited by Samsung's total solutions and felt like they were in future reality. Mr. Sang Heung Shin, President of SESA, said, "This cooperation with Telefonica serves as a bridgehead into the European market. We plan to work closely together in the home network business for the long term, marketing ADSL-related solutions".

February 27 - RefComp, leading company in the production of screw and reciprocating compressors for air-conditioning and refrigeration, will be present at this year's Climatizacion 2003 edition together with its sister company Thermokey, producer of heat exchangers with an exceptionally wide range of products. The year 2002 has closed with not very positive figures for the world of a/c in general, but the two Italian companies kept up, even increased in their turnover, thanks to the variety in the offer to customers.
RefComp supplies a wide scope of products, including screw compressors for A/C applications, with the widest range from 40Hp to 240Hp and for refrigeration from 30Hp to 120Hp; reciprocating compressors in semi-hermetic and open execution from 1Hp up to 160Hp. The latest achievements, specially concerning the screw technology, are manifold: first of all the enlargement of the S series (compact screw compressors) with the 240Hp model, the SRC-S-603, with a displacement of 650 m³/h and a cooling capacity of approximately 600kW (conditions +2^o/+40^oC with R22/R407C).
The new model will feature the same winning characteristics of the S series, such as a step/stepless capacity control system, cast-iron oil separator for reduced noise level, improved bearings for long operating life and absence of vibration. Secondly, the enlargement of the W series (screw compressors for refrigeration) with models of 100 and 120Hp, with a slide valve system of capacity control in step and stepless version, and a system with a new sensor for the precise detection of the capacity control piston during the stepless operation mode.
The cutting-edge technology which is employed in RefComp facilities for the manufacturing of compressor parts and rotors (automatic CNC centers) with extremely small tolerances, gives the screw compressors one of the lowest noise level available on the market.
Besides, in case of hard working conditions like high condensing temperature and/or low evaporating temperature, as it could be necessary to adopt the oil cooler system or the liquid injection device, RefComp takes a step ahead introducing a special electronic device in order to control, with the maximum precision and flexibility, an electronic liquid injection valve: the so-called LCM (Liquid Control Module) system.

February 25 - Daikin industries Ltd. has decided to shift refrigerants of all packaged air conditioners (PACs) from R407C to high-pressure refrigerant R410A, in order to accelerate the energy saving strategy for PACs furthermore. As the first step, the company will adopt R410A in "Ve-upII" (7 basic models of outdoor unit) intended for the renewal market in the building AC field, aimed to increase its share with the industry's top energy saving performance. Daikin intends to shift refrigerants of all ACs ranging from RACs to large ACs (corresponding to 100 hp) to R410A within RY 2003.
In the field of PACs, the new refrigerant R410A has been used in commercial units up to 10 hp, while units adopting R407C have also been available.
However, since the trade leader Daikin has decided to totally adopt R410A, the share of models adopting R407C will dwindle rapidly.
Since the pressure of R407C is almost same as that of old refrigerant R22, it has been unnecessary to newly develop system components and compressors.
However, to adopt R410A, it has been necessary to change the specifications because of the higher working pressures. Therefore, there has been lack of concerted steps among the makers reflecting differences in their ways of thinking.
Now that Daikin has taken earnest steps for R410A adoption, other makers will very likely follow it. Toshiba Carrier and Sanyo Electric AC, which have already developed R410A models, will expand their lineups.
Daikin is the first adopter of R410A in the field of large AC systems such as building AC systems, having so far adopted it in models up to 16 hp. By a combination of outdoor units, it is possible to configure up to 48 hp system at max as R410A system.

February 23 - Aermec Launches IDROSPLIT Independent AC and Heating System.
The IDROSPLIT module and the condensing unit together make up a low power consumption water chiller that offers a sufficient water flow to supply several terminal units.
The thermal head across the evaporator can be restricted to just 2.5.
Users can activate only a selected number of installed fan coils to regulate room conditions without having to exclude any sections of the water circuit.
These appliances form the core of an air conditioning and heating solution that is particularly suitable for homes in both new construction and modernization projects: the IDRO-SPLITR system.
Appealing and functional styling

• Fully electronic adjustment and control with microprocessor card.
• Prearranged for connection to a boiler with immediate summer/winter changeover.
• Option of installing an air-cooled outdoor condenser unit (CX series) or an extremely quiet indoor water-cooled type (CWX series) equipped with a high efficiency rotary compressor.
• Water can be supplied to all fan coils in the circuit so that the occupants in each room can choose whether or not to switch on individual units.

February 20 - Mitsubishi heavy Industries (MHI), jointly with Mitsubishi Corp., has received an order for large district cooling (DC) plant which supplies chilled water to the new metropolitan center to be developed extensively in Singapore Marina South. The order is Singapore District Cooling (SDC), a JV company established by government-related entity in Singapore and Dalkia from France.
The current project is Phase-1 construction of DC plant which supplies chilled water to complex facilities consisting of two high-rise (50-storied) buildings and other buildings where offices, restaurants and amusement facilities, etc. are accommodated. In the future, they will become a business center representative of Singapore, and the two highrise buildings serve as the central facilities.
The cooling equipment constructed under Phase-1 construction project has 16,210 RT of capacity, cooling about 400,000 m2 of space. In Marina South District extension works will be continued until 2013, and the final capacity will reach 43,000 RT when Phase-4 construction is accomplished.
The main equipment is composed of two 2,800 RT centrifugal chillers, two 2,000 RT centrifugal chillers, one 850 RT centrifugal chiller, and ice thermal storage tanks 42,178 RTH (refrigeration ton/hour) in capacity (two systems). The time for delivery is February 2005.

February 19 - Mitsubishi Heavy Industries, Ltd. (MHI) has commenced marketing, in Europe, of two models of gas heat pump air-conditioners (GHP), which satisfy "CE marking" requirements, from January 2003. The two models are heat pump type multi-indoor-unit air-conditioners, "16 hp (horsepower) GHCP450HMTE4" and "20 hp GHCP-560HMTE4" that are capable of linking a maximum of up to 20 indoor units in a network.
GHP are commercial-use units that utilize environmentally friendly, city gas as a fuel for its engines to drive compressors in its outdoor units. In Japan, the demand for GHP is over 40,000 units per year. The GHP system has the following advantages:

• Energy conservation through utilization of exhaust heat from engines
• Reduction in contract demand of electricity
• Curbing of CO2 (carbon dioxide) emissions
• Stable heating operation even at an outdoor temperature of -15^oC

Februry 17 - CLIMATIZACION will feature, for the first time in its history, the GALLERY OF INNOVATION, where the most innovative products and services will be staged. CLIMATIZACION 2003, the International Air-Conditioning, Heating, Ventilation and Refrigeration Exhibition, has already adjudicated 100% of the surface available for its tenth edition, which will take place at FERIA DE MADRID, from 26th February to 1st March 2003. With still two months to go for its opening, the space reservation has surpassed all the expectations, achieving a net surface occupation of almost 48,000 m2, 30% more than at the previous edition. These data confirm the outstanding position of CLIMATI-ZACION within the international circuit and consolidate the fair as the most important European event within the air-conditioning sector, after the fair held in Germany. In Spain, CLIMATI-ZACION is the most important commercial event of the sector.
As far as the participation is concerned, the fair will feature some 486 direct exhibitors, of which 57 will come from different countries such as Germany, Belgium, China, Denmark, France, Israel, Italy, Morocco, Netherlands, Tunisia and Turkey.
The International Guest Programme has been designed in order to enhance the international status of the fair. This programme has already achieved some excellent results at the last edition. At this edition the programme will focus especially on professionals from France and the United Kingdom, two particularly attractive markets for Spanish exports.
CLIMATIZACION is specially targeted at engineers and consultants, architects and technical architects, installers and technicians, maintenance companies, builders and promoters, indoor architects and all the professionals related to the industry; a very wide group at which the promotional campaigns of the fair are addressing.

Februry 15 - The introduction of photovoltaic power generation into residences in Japan has been expanding rapidly since 1994 when the subsidy system was initiated by the Japanese Government, now bringing the quantity of residential solar cell production to largest in the world and occupying 40% of world total production. Makers include Sanyo, Sharp, Mitsubishi Electric Corp. (Melco), and Kyocera, and total shipments have continued to increase at the pace of 40%/year since 1999, nearing 200,000 kW in 2001 on the output basis.
The Government's subsidy system provides a certain amount of subsidy to installation (\100,000 per 1 kW of output in 2002). Last year, there were nearly 30,000 applications for this system. In the case of photovoltaic power generation, installations on the roofs of houses account for an overwhelmingly large percentage. In recent years, however, house makers are endeavoring to sell such types of system which are installed in one piece with building members.
Along with the increase in production, prices are continuing to drop, and this is furthermore bolstering the diffusion. Although the installation cost was about \2,000,000 per 1 kW in 1994, the average price of systems installed in 2001 by utilizing the subsidy system was below \700,000, thus dropping to the level nearly 1/3 that 7 years ago.
However, since this subsidy system will terminate in 2002, the makers' own efforts are required for future diffusion. Photovoltaic power generation systems are being installed not only on the roofs of houses, but also on those of public facilities, factories, schools, office buildings, etc. Installations on these buildings are also benefited with the government subsidy, and half the installation cost is subsidized for systems whose output is larger than 10 kW. The number of installations utilizing this subsidy system has been increasing annually from 11 in 1992 when the system was initiated, to 218 in 2001. From now on, the number of installations on non-residential buildings is expected to increase furthermore.

February 13 - JARN took part in AHR Expo 2003 held in Chicago, USA from January 27 to 29, 2003.
Despite of the sluggish economy worldwide, tens of thousands of visitors came and saw firsthand the latest technologies, products and services exhibited by approx. 1,800 exhibitors from various countries as well as North America.
Many visitors dropped by at JARN booth and paid much interest to JARN magazines and Directory. Our staff members were very busy greeting them with much gratitude and explaining about our publications and activities. Also, we visited almost all of JARN's customers at their booths who participated from all over the world.
In the near future, JARN will take part in CLIMATIZACION 2003 in Madrid, Spain being held from February 26 to March 1, 2003.
And furthermore, we will be exhibiting at China Refrigeration 2003 (Beijing) in April, HALFKO Show (Seoul, Korea) in May, Bangkok RHAVC 2003 (Thailand) in September, etc, etc.
JARN readers are always welcome to our booth in those international exhibitions.

February 11 - Galanz has begun taking the offensive to Chinese market with AC having a newly patented 4-dimensional fan.
While many other competitors incurred unfavorable results in RY 2002, Galanz could sell 600,000 units, up 50%, in Chinese market alone. Early in October when the new RY 2003 started, the company declared "war" by developing the AC with new-concept fan.
The new AC is a packaged AC (PAC) finished with stainless steel featuring both excellent design and performance. The indoor unit's panel is a streamlinedly designed, dynamic display panel. It is characterized by 4-dimensional air blowing, multi-functions, high COP, individualistic design, etc. The main features differentiating the new PAC from competitive products are as follows:
(1) Highest level of comfortableness realized by 4-dimensional air blowing from four angles.
(2) Air purifying effects given by negative ion generation, special filter, and nanotech multilayered photo catalytic cleaning effect. Also, degerming function works automatically during AC operation.
(3) Due to adoption of imported scroll compressor, speedy cooling/heating and low-noise operation have been realized.
(4) The outdoor unit is finished with stainless steel. PGA is adopted as compressor oil, thereby lengthening the AC life.

February 7 - The 14th Annual Earth Technologies Forum (ETF), the preeminent conference and exhibition on global climate change and ozone protection technologies and policies, will open on Earth Day, April 22, 2003 at the Hyatt Regency on Capitol Hill, Washington, D.C. The three-day conference will conclude on April 24. "The Earth Technologies Forum is unique in that it provides a vital link between participants and key decision makers, resulting in a conference that encourages significant discussions and healthy debates," said Kevin Fay, Director of the International Climate Change Partnership (ICCP), an ETF sponsor.
In addition to ICCP, the Forum is sponsored by the Alliance for Responsible Atmospheric Policy, in cooperation with the U.S. Environmental Protection Agency, U.S. Department of Energy, U.S. Agency for International Development, United Nations Environment Programme, United Nations Development Programme, Environment Canada, Industry Canada, Australian Greenhouse Office, Netherlands' Reduction Plan for the Non-CO2 Greenhouse Gases, and the World Business Council for Sustainable Development, as well as over 90 international organizations and industry associations.
"ETF is the only international conference designed to provide up-to-date information on two of the most significant environmental issues affecting industry today - climate change and ozone protection," said Dave Stirpe, Alliance Director. "Over 900 participants from 50 countries attended the 2002 Forum, and more are expected in 2003 as climate change challenges governments and industries to act."

February 5 - Recently, demand for large-capacity window type RACs from overseas markets has been reportedly increasing. To meet this market demand, Chigo, a major AC manufacturer based in Guangdong, China, has succeeded in developing a large-capacity window type model whose cooling capacity corresponds to 2~3 hp to cover 38~45 m² of room space.
Incorporating a compressor of world-famous brand, the new model features high COP, low noise, outstanding durability, wide air blowing by large-diameter centrifugal fan, and max. air blowing distance of 6 m. In the room as wide as 40 m2, it can create a refreshingly cool environment in every corner, according to the company.
Chigo has developed the new window type model with high cost performance. The company is widely known for high product quality not only in China but also overseas. It seems to be developing about 100 models every year with highly innovative technologies, blessed with a technical advisory team composed of about 50 wise and famous professors and also an R&D team composed of about 300 doctors, masters, etc.
Chigo has acquired many certificates such as Energy Saving Product Certification (China), CE Certification (EU), First Class Energy Saving Certification (Hong Kong), and SASO Safety Certification (Saudi Arabia).
Chigo window type RACs are supplied to about 100 countries including those in Europe, USA, UAE, and Hong Kong.

February 3 - Guangzhou Hualing Air Conditioning & Equipment Co., Ltd., a leading AC manufacturer based in Guangdong, China, has launched Super Inverter Multi Systm, which adopts the latest technologies to integrate different types of indoor units into the same cooling system, based on the load of environment, according to the company.
The unit includes inverter compressor and electronic expansion valve to control the system in the best refrigerant volume, so as to realize the most economical operation and create the most comfortable air-conditioning environment.
The products meet different environment demands, especially for residence with many rooms or a big living room, business offices and so on.
Furthermore, the modular multi system is a practicable solution for multi-layer buildings. It combines intelligence and humanity in a whole, and is an ideal selection that the comfort air-conditioning environment demands.
Flexible Design.
A single outdoor unit can connect with max. 16 indoor units, and the total capacity is 50%-130% of outdoor unit, with flexible configuration in capacity.
A wide choice of more than 30 indoor units. Therefore, different setting up can be selected and assembled flexiblely in accordance with room structure and decoration layout.
Modularized design of outdoor unit enable customer to set up the air-conditioning system with different capacity according to actual requirements.
Super Energy Saving.
Adopt flexible inverter scroll compressor.
The digital inverter controller can automatically regulate the speed of compressor in accordance with the load of room, so as to realize energy-saving operation.
Microcomputer can control the refrigerant volume through precision sensor and electronic expansion valve, so as to keep the system at the best running mode to meet the system and load requirements.

February 1 - Midea, one of China's largest residential AC manufacturers recently announced the nationwide launch of their new series of central air-conditioner, the MDV (D) series, powered by the Copeland Digital Scroll. The launch was kicked off with a technical session in Beijing on October 24. The session was attended by over 250 people from various industry segments - China HVAC industry experts, architects, consultants, design engineers, builders and contractors. Similar launch events were held in Guangzhou, Shanghai, Nanjing and Hangzhou. The launch has created excitement in the China air-conditioning industry, since this is the first launch of a China central a/c system using the revolutionary new Copeland Digital Scroll technology.
The MDV (D) series of central air-conditioner, powered by the Copeland Digital Scroll, has many advantages. The heart of the MDV (D) system is the Digital Scroll compressor with high COP, even at part loads, allowing for greater energy savings to the end user. The Digital Scroll compressor has the widest capacity range in the industry from 10%-100% and this allows the MDV (D) system to deliver the exact capacity output as is required. The system delivers very tight temperature control within the air-conditioned space and is a great benefit for end user comfort. The principle of operation of the Digital Scroll is very simple and no complicated electronics or bypass valves are required. Consequently, the system design is very simple and this enhances the reliability of the system. The system only requires a compact electronic control package and there is no issue of electromagnetic interference. The system is perfectly suited for installations that are sensitive to electromagnetic interference, like telecommunication or electronics industry applications. The MDV (D) system is built on a very flexible platform - up to 16 evaporators can be connected to a 10HP system. Also, since MDV (D) is a multi evaporator system, it uses only one condensing unit, thus improving the aesthetics of the building exterior and interior.

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