Points to note for maintenance of household central air conditioners
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23
2020-12
Guangzhou York Air Conditioning-Company Annual Meeting
With the love and support of all friends, the company has achieved a performance of 30 million. All colleagues of York Air Conditioning gathered together to share the hard-won happiness fruits. Mr. Zhong also gave a passionate speech at the York Air Conditioning Annual Conference. Looking back on the past 2010, we are full of emotions. Looking forward to the future, we will work harder and strive for success, one step closer, to provide new and old customers of York Air Conditioning The best quality service provides the most competitive development platform for the company's colleagues.
23
2020-12
(York Air Conditioning) March 2011 Summary Meeting
In March 2011, Guangzhou York Air Conditioning achieved a performance of more than 3 million. A commendation meeting was hereby held. The highest department performance award, the highest personal performance award, the best contribution award, the best progress award, the most potential, and the most core team were selected. Awards and other series of awards. The York Air Conditioning Conference is a summary of 2010 and a target deployment for the upcoming sales season in 2011.
23
2020-12
Analysis of maintenance and repair of central air-conditioning in shopping malls
Large and medium-sized shopping malls use central air-conditioning to adjust the temperature and humidity of the shopping malls throughout the year and to supplement fresh air to improve the shopping environment. However, if the central air-conditioning system is not maintained, the cooling effect of the air-conditioning will be worse and worse. The power consumption will be more and more, the cost will be higher and higher, and the equipment damage will be serious. Some users The air-conditioning system was basically paralyzed after more than a year of use. So, how to maintain and repair central air conditioners in large and medium-sized shopping malls?
23
2020-12
Maintenance of household central air conditioner
1. Maintenance of indoor unit 1. Clean the air inlet filter of the evaporator (or cooler) regularly (time interval is 1 to 2 months). It can be washed with a small amount of detergent in the clean water, then rinsed with clean water, dried and installed. 2. Regularly clean the ash on the evaporator (coil) fin, use a hard nylon brush to remove the ash, and use a vacuum cleaner to absorb the ash after washing. 3. Frequently check whether the condensate drain pipe is unblocked. If it is blocked, remove the blockage in time to make the condensate unblocked, otherwise it will overflow the drain pan.
23
2020-12
Points to note for maintenance of household central air conditioners
Recently, air conditioners have become the vanguard of home appliance stores. Both merchants and buyers have become more concerned about air conditioners. So when purchasing air conditioners, we also need to pay attention to their maintenance. The editor summarizes the 5 precautions for air conditioning maintenance, and I hope it will help everyone.
07
2020-12
The development and application of vacuum science
People may be influenced by the translation of foreign books and periodicals. Usually when reviewing the history of vacuum science, they often mistakenly believe that the pressure experiment of Torriselli in 1643 and the invention of the aspirator by Glick in 1650 are the earliest discoveries of the phenomenon of vacuum. In fact, as early as the sixth century BC, my country adopted the wind box blasting method in iron smelting technology. At that time, the wind box was called "鞲鞴". During the Warring States Period, the book "Lao Zi's Tao Te Ching" stated that "Yan Ying" was unyielding and unyielding. This is a recorded description of the use of the principle of vacuum suction. This device was not invented until the 16th century in Europe. The “cupping” medical method created by the Jin Dynasty alchemist and doctor Ge Hong (218-36 AD) in the "elbow reserve emergency prescription" introduced by the use of the thermal expansion and contraction of gas, is precisely the vacuum technology in medicine. Specific examples of application. Because the phenomenon that occurs in a cupping jar is a perfect process of obtaining and applying vacuum. This method of obtaining vacuum is even more than that obtained by Torrisi using mercury to drive away the atmosphere in the glass tube. Gaoming. Because burning paper in the tank heats the atmosphere, it can not only drive away part of the atmosphere in the tank, but also burn off the oxygen in the tank, which can generate a vacuum of at least four-fifths of the atmospheric pressure in the tank. That is equivalent. In the tank, a low pressure of 6 × 104 Pa is obtained. As for the comparison between Glick’s air extractor and the wind box air extraction used in ancient China, the air extraction principle is the same. However, in China’s "Tiangong Kaiwu" book The recorded use of "wind box blasting iron making" is at least several hundred years earlier than Glick's extraction of the gas in his "metal hemisphere". Therefore, when we review the development of vacuum science, we should not forget us. Ancestors and contributions to the development of vacuum technology in the early stages of mankind.
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