Step Xuzhou 圣尔达 Refrigeration Electrical Services Ltd. received fluoride: a. Cool Status: Two outdoor unit connecting pipe valve cover, open with a wrench. With five hex wrench Xuzhou central air conditioning installation and maintenance, into thin (pressure valve) valve port, the valve quickly shut the air conditioning repair, after about 20 seconds in the coarse valve (low pressure) shut, and then shut down, power outages. Such a fluorine received outside the machine. This can disassemble. Xuzhou Sheng Erda Refrigeration Electrical Services Ltd. Third, when the air conditioning operation will occasionally produce some products like water "rushing" sound. This is the air conditioning operation, the internal state of the refrigerant is changing from a liquid into a gas, then change back to a liquid by gas. This normal physical phenomena in the refrigeration system to a certain speed flow, due to some resistance, it will produce a flow of "rushing" sound, is a normal phenomenon. Fourth, the wind sent a slight odor. Some people think that air conditioning with the smell of the wind sent a freon leak caused. Freon is actually odorless cleaning Xuzhou wedding dresses, from indoor smoke smell and other odors. The new air-conditioning efficiency through the use of activated carbon adsorption filter layer Xuzhou strong air conditioning maintenance and fluoride, not only to remove tiny dust particles, but also to remove the smell of smoke and other odors, air purification greatly improved. Xuzhou central air conditioning maintenance | Sheng Erda refrigeration (certified) | air conditioning maintenance provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou Sheng Erda Refrigeration Electrical Services Limited (xzktw.com) Xuzhou, Jiangsu, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Sheng Erda leader in refrigeration staff warmly welcome all inquiries negotiations to create a better future Sheng Erda refrigeration.