Tag Archives: solar hot water heaters

Solar water heater energy efficiency standards to complete the end of October

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energy efficiency standards to complete the end of October

      Recently, China\\ s solar thermal industry in a business alliance Secretary-General Huozhi Chen said the new conference, after more than a year continue to promote solar water heater energy efficiency standards will be completed by the end of October this year all the work, will the national energy efficiency labeling management center to trial.

Huozhi Chen also revealed that on August 4 will convene experts to discuss energy efficiency standards will eventually be able to limit the value of such efficiency standards and reached a consensus to determine the content of the final manuscript. Reporters learned that the solar energy efficiency standards is divided into five, the current submission from each company\\ s solar water heater products, the market sales of are mainly concentrated in three energy-efficient products, energy efficiency of products 1, 2 less.

Currently, the market for electric water heaters and gas water heaters are mandatory energy efficiency labeling system. However, compared to the first two water heaters, solar technology expert Lessons has noted that solar water heater without electricity, two do not have gas, full is the use of clean energy. Should first improve the standard of other products, come to implement energy efficiency rating system.

However, Huozhi Chen believes that solar water heaters mandatory implementation of energy efficiency standards will help improve the industry threshold, the number of workshops and hands motley crew eliminated. Solar energy efficiency standards for the final implementation date, Huozhi Chen and give confirmation.

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Solar water heaters will be a cold day you heard of spontaneous combustion it?

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will be a cold day you heard of spontaneous combustion it?

Firemen found the above installation of seven , there are three sets of solar water heater is burning, water heaters, insulation materials and outer wires have been burned.

    Recently, the fire command center received a report: Fuxi ivan Lane medicine company dormitory roof solar water heater combustion occurs, there are already three water heater ignited, also smoke a lot of smoke. After receiving the police command, fire officers and men wondering: \"Solar water heaters can also spontaneous combustion?\"

    Arrived at the scene, officers and men under the direction along the tenants have looked, I saw on the roof of a residential building there smoke coming out, but do not see the fire there. On to the roof, the firefighters found above the installation of seven solar water heater, there are three sets of solar water heater is burning, water heaters, insulation materials and outer wires have been burned. Then, in conjunction with residential property, the whole area off, the firefighters will cut the three wires of solar energy, and earth, the separation line of fire, the fire die down.

    On the fire, the district\\ s residents are wondering: \"good water heater, outdoor temperature was so low, how can you on fire?\" In this regard, the reporter of a solar water heater maintenance personnel to a consultation, he replied: \"The House fire may be due to water heater water heater heating cable power for too long cause spontaneous combustion. \"I know that most of the freezing measures adopted solar water heaters are installed heating cable, cold in hot water after a short tube power, can make water within the ice melt. In general, the power within 15 minutes of ice-melting effect can be achieved, then they have to cut off the power. Once connected to the water heater short circuit on the wire, spontaneous combustion may occur on accidents.

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Expert Answers to teach you easily use solar water heaters

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Expert Answers to teach you easily use

With the promotion of energy saving, new energy products into people\\ s vision. is one of the more mature and popular products. Pursuit of new products at the same time, you understand its performance and use common sense it? In the purchase of solar water heaters, they should pay attention to what the problem? If you are plagued by these problems, the contents of this issue that we believe will help you.

    With the promotion of energy saving, new energy products into people\\ s vision. Solar water heater is one of the more mature and popular products. Pursuit of new products at the same time, you understand its performance and use common sense it? In the purchase of solar water heaters, they should pay attention to what the problem? If you are plagued by these problems, the contents of this issue that we believe will help you.

    Use: often used to avoid failure

    Solar water heaters in the process of the Central Standing Committee to use some small problems, most recently, the newspaper received a lot of convenience to the reader\\ s hotline telephone consultation, the League of Master Zhao convenience issues of concern to the reader to do the answer. In fact, some of which can solve your own problem.

    Ms. Lee asked: \"solar water heater in fine weather, why is the water temperature has been able to come up?\" Zhao said the master, there are several reasons for this situation can cause. First, look at the location of water heater installed, the top of trees or tall buildings, etc. Is there such a shelter materials. If it is not such a problem, there may be not related strictly on a valve, tap the top of the hot water tank out, leading to water up the mountain. If the valve on the loose, replace the new one. In addition, it may be within the vacuum tube collectors or fouling, need cleaning.

    Now buy solar water heaters are mostly automatic Sheung Shui, but sometimes it causes water plus some dissatisfaction. This is how to handle it? Master Zhao said that this situation could start to look for the water pressure is sufficient, if it could be excluded for this reason there is water leaking from top to bottom, you can try their own investigation about pipes, valves or fittings, the problem part of the replacement. In addition, it is leaking water tank itself, which you need to find maintenance personnel to replace the tank or welded.

    It is understood that the solar water heater is put into use, the best is often used to avoid memory management does not stay put for a long time out of the water, leading to lower the temperature, affect the next time the user uses, especially in winter also prone to cause pipe cracking. It is recommended to use 4-5 times a day is best, each time interval of 4 hours.

    The selection: collector performance is the key

    Many readers concerned about the process of using solar water heaters in question, but before that, how to choose a cake and water heaters, is also critical. Zhao you master a few suggestions here, but if you are worried about this, might learn from it.

    The main solar water heater is to use, so first of all is to see how the performance of its collector. Currently on the market, the domestic vacuum tube to \"Sun-core\" and \"U.S. core\" as well. Separately, the collector area is also a reference to the coefficient of the larger collector area, the greater the heat gain. Second, is the heat capacity of water tank, water tank insulation thickness and tank insulation material is the ability to affect an important indicator. Finally, the perspective is to install solar water heaters, because the angle and intensity of solar radiation is different from the best solar water heater and a tilt angle to obtain a higher heat. On the Chinese mainland latitude, 33 ° -55 ° tilt angle for the best.

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How the acceptance of solar water heaters

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How the acceptance of

Installed before the water heater should be no shade and facing south, to slant 10 degrees West. Tanks, piping, valves, fittings should be no water leakage. Not out of line pipe insulation, drain bag phenomenon. Vacuum tubes and vacuum tank plug location appropriate ? no damage, leakage, white phenomenon.

    First, how to water heater inspection

    Installed before the water heater should be no shade and facing south, to slant 10 degrees West. Tanks, piping, valves, fittings should be no water leakage. Not out of line pipe insulation, drain bag phenomenon. Vacuum tubes and vacuum tank plug location appropriate ? no damage, leakage, white phenomenon.

    Second, how to improve water

    1. Do a good job up and down the water pipe insulation.

    2. Selection of small thermal conductivity of aluminum tube and cross-linked tubes.

    3. Choose high-capacity water heater vacuum tube or longer, stay hot water, to improve the base temperature.

    4. Sheung Shui immediately after the evening bath, try to keep the tank full overnight, to prevent the half tank water temperature is high, when the upper air circulation cooling overnight.

    5. Full release after the water a little more water, the water hot water return pipe from the overflow after the expansion.

    6. Even the sun two days, or half tank of water, sun one day, the water temperature can be increased.

    7. Shower room temperature is low, Yuba or heater can be used to improve room temperature. Bath when the water temperature is low, add some water fill temperature.

    8. Using electric heating device, fill up water power, cut off power after bathing.

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Solar water heaters and other low carbon stocking into the mainstream of rural

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and other low-carbon stocking into the mainstream of rural

\" s, security, environmental protection and saving the cost of living, it is convenient to do now we are very particular about the New Year to \\ low carbon\\ .\" In her face filled with a happy smile. Today, the Spring Festival approaching, both in Nanjing, such as solar water heaters, electric cars, gas saving products such, more and more farmers and friends of all ages.

    Recently, Jiang Ning County are rural villagers Huang Fengxia bamboo board under tiles on roof home is to install solar water heaters. \"Solar water heaters, security, environmental protection and saving the cost of living, it is convenient to do now we are very particular about the New Year to \\ low carbon\\ .\" In her face filled with a happy smile. Today, the Spring Festival approaching, both in Nanjing, such as solar water heaters, electric cars, gas saving products such, more and more farmers and friends of all ages.

    In recent years, with the improvement of living standards, vigorously push forward the rural South City in the same material civilization, spiritual civilization attaches great importance to efforts to promote a civilized, progressive, healthy and environmentally friendly \"low carbon\" lifestyle. Currently, the county\\ s most rural people in the New Year when repairing, pay attention to the family from a simple vision into a practical attention to the social environment.

    Lai village water around enough to tell the villagers XIAO notes that \"the state has been advocating low-carbon life, I used to think too far away from us, but we think carefully, in terms of our cousin, the usual water-saving, less fertilizer pesticides, can be considered a \\ low carbon\\ life!. \"in the new rural construction, cooking with a clean low-carbon gas phase out of the wood fire, go out with electric cars as a means of transport. \"I married him, talk about a condition, to build a digester. We were thinking about more than raising a few pigs, pig manure digester filled, re-use of biogas, biogas residue kinds of vegetables and fruits to use technology to fortune get rich! \"just left town Zhenjun married undefeated shy Fang Tong said. And now, young people in rural areas began in the solar water heater, electric cars, biogas, etc., as he got married, \"the three major New Year.\"
 

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Thirty thousand yuan installation of solar water heater is not burning hot water in winter

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Thirty thousand yuan installation of is not burning hot water in winter

Mr. Wang reflects: In 2007, I bought a Solar Equipment Co., Ltd. Hangzhou Heriot , but from the second year I found it a problem. Past few years I have asked them to repair it several times, but did not fix. Hope to help defenders.

    In September 2007, Mr. Wang spent 30,000 yuan to buy a set of solar equipment Co., Ltd. Hangzhou Heriot model FT303M solar water heater. \"This can use solar energy, but also with electric heating system, so when cloudy water heater can also use the same time, I can set the desired temperature insulation, once the water temperature is lower than my tank set given temperature, electric heating system will automatically start the heating. \"Wang said.

    However, from the second year, Mr. Wang discovered that this water heater is not as advertised so easy to use. \"Summer time is just fine, but in the winter, this water heater to die, and I found that solar heating alone, even if the sun full two solar day, the water temperature reach high standards, the use of such water bath will be very much the cold. when heating systems need electricity to the water added to 60 ?. \"Mr. Wang said,\" and the water heater insulation is also very bad in winter, the water I cooked the day
, The next morning will become a normal temperature, there is simply not take. Even ordinary water heater insulation is better than it. \"

    Hangzhou Heriot Solar: The device does not require no maintenance problems

    Problems are identified, Wang repeatedly Solar Equipment Co., Ltd. Hangzhou Heriot repair. \"The equipment warranty is three years, but to repair a lot of times they are not out to solve the problem now has ?????, the old problems are not resolved.\"

    Mr. Wang said, on March 14 this year, he was with the help of Xiaoshan, Hangzhou Industrial and Commercial Solar Equipment Co., Ltd. Heriot consultation, and finally signed an agreement. \"Agreement, the business within a month to help me fix the water heater, or give me for a new water heater.\"

    A week later, Heriot Solar Equipment Co., Ltd. Hangzhou sent to home repair. However, the maintenance staff in the post-test that, Mr. Wang of the water heater and no quality problems, no maintenance.

    For this answer, Mr. Wang is very satisfied: \"The water heater insulation, water heaters generally do not even like, they do not go to check the insulation system and now I find them to repair, they do not come.\" The thought of spending the equipment 3 million, Mr. Wang was not worth it for himself.

    Consumers are demanding business maintains \"Heriot\" recommend to a third party testing

    Recently, reporter learned from the Xiaoshan industry and commerce, the contradiction between Mr. Wang and businesses have focused on the quality of the water heater, consumers suspected quality problems, but no businesses found that after repeated testing of quality problems. If consumers want to prove the existence of quality water heater problems, you can go to testing organizations to help, as long as the detection of water heaters do have quality problems, you can require businesses to implement the agreement on the contract.

    Subsequently, the reporter contacted Heriot Solar Equipment Co., Ltd. Hangzhou person in charge of Mr. Wu.

    Mr. Wu said: \"the quality of our water heater is absolutely no problem and he can go to a third party to detect, if it is a quality problem, we are sure to give him change, and, Mr. Wang of the water heater is not directly from our company purchase, our company is a semi-finished products factory, this one is responsible for solar energy, we have tested this part many times, are no quality problems. other parts of the problem, then he should find from where to buy where responsible, and this tube does not belong to us. \"

    This explanation for Mr. Wu, Mr. Wang retorted: \"The company name is on the order Heriot Solar Equipment Co., Ltd., Hangzhou, and who also had to install their company. How can they say no go so?\"

    Mr. Wu said: \"This company is later acquired over, before the things we do not know.\"

    In this regard, Xiaoshan business relevant staff said: \"In this case, depends on how the original purchase agreement is agreed upon. Mr. Wang, the business sector can then explain the current situation in the business of the duties and powers range, we will do our best to give help. \"

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Resolve the next few years China solar water heater market trends

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Resolve the next few years, China solar water heater market trends

    According to statistics, since the 1990s, China\\ s solar water heater industry to maintain rapid growth for 10 years. In 1992, China\\ s annual production capacity of solar water heater industry, only 50 million square meters by 2005, China\\ s solar water heater output has exceeded 15 million square meters, 6.4 million square meters in 2000, more than two times. Industry output value of more than $ 15 billion.

    At present, China has become the world\\ s largest producer of and solar water heater market, the industry has become the only scale in the production and use of a world leader on renewable energy industry. With the solar thermal industry competition becomes more intense, long-term development vision of the solar companies began to work on the most important innovation, both in the core technology or appearance of the image, whether it is the collector technology, insulation technology or energy-efficient technologies, and building integrated solar technologies have made rapid development and progress.

    Retail sales in 2010 exceeded the national water heater industry 46.5 billion yuan, sales more than 28 million units sold. Among them, total retail sales of solar water heaters more than 20 billion, a larger proportion. January 1, 2010, \"domestic controller\" officially promulgated national standards. In the same year, \" with the rubber seal\" is officially implemented. Also solar water heater energy efficiency standards by the end of October 2010 all the work, to the State energy efficiency labeling management center trial. Implementation of these standards, raise the threshold for market access of solar water heaters, regulate the industry. These files are mainly semi-forced to choose as the core market power, although effective in the short term and can not produce immediate results, but in the long run, will inevitably lead to a higher level of the industry forward.

    At present, China\\ s urban and rural residents of the rapid growth in demand for hot water bath. In rural areas and small cities, solar water heaters have become to improve people\\ s quality of life and building a moderately prosperous society in an important tool. With the development of high-temperature solar water heaters and building integrated solar technology has improved, the application of solar water heaters provide hot water is no longer confined areas, are gradually heating, cooling, drying and industrial applications, the direction of expansion.
 

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Rooftop solar water heaters must be lightning safety

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Rooftop must be lightning safety

    s as clean energy in urban and rural areas are widely used in residential roof or a roof, reporters often see a variety of solar water heaters. Recently, reporter learned from the Municipal Meteorological Bureau, roof-mounted solar water heater, be sure to install lightning protection equipment.

Recently, the reporter visited found that solar water heater because of its hot water using solar energy to provide services, convenient and clean, but also solar, dual power, therefore many households use, especially in rural users. In order to better absorb the sun, solar water heater is usually installed in the roof of the building residents. \"The roof to install solar water heaters, installation unreasonable if there may be lightning attack, lightning incidents occur.\" According to the Municipal Meteorological Bureau staff, in accordance with national requirements, installation of solar water heaters must be installed lightning protection equipment.

Reporters learned that the solar water heater has been struck by lightning events had occurred in the city, although no casualties, but also resulted in damage to household electrical appliances at home. Solar water heaters are generally installed on the roof, the location is generally higher than the building, if the roof is not installed lightning protection equipment, the metal composition of the device is likely to be lightning attacks. Water heaters and other appliances will not only cause damage, may also cause explosive combustion, resulting in casualties.

According to reports, the installation of solar water heaters should be installed at around the same time lightning lightning rod above the water heater equipment. Meanwhile, from the roof into the interior of the solar water heater power lines, water pipes and other equipment should also take protective measures.

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