Xuzhou Sheng Erda Refrigeration Electrical Services Limited II. When installed there to open the valve emptying: as follows: after the internal and external machine fixed, 1. Connect Xuzhou Hisense air conditioning maintenance, mainly to connect the inner and outer tubes are tight, pay attention to certain connected, to prevent refrigerant leak. 2. Allen hit the autopilot switch on the air conditioning to work to open the high-pressure valve (thin tube valve) Xuzhou Hitachi central air conditioning maintenance, gas and fluoride mouth with a hex withstand thimble (fluoride mouth on the low pressure), so that the inside of the ran out of air-conditioning maintenance, about 10 seconds you can, do not wait too long, so as not to run too much refrigerant. So you can make the air inside the pipe to put out. 4. Then the high and low pressure valves are open, both inside and outside the machine's power cord is connected to it. Note: The connecting pipe is copper, not the disk into a dead corner, otherwise it will affect the flow of refrigerant can cause cooling and heating. Demolition when the first harvest of fluorine, otherwise it will cause leakage of fluorine. Xuzhou Sheng Erda Refrigeration Electrical Services Limited air conditioner according to the functional classification ∷ generally divided into single cold type, heating type, electric auxiliary heating. ∷ single cold type: Suitable for the summer and warmer in winter warmer areas, or areas of adequate heating in winter. ∷ being of type: Suitable for areas with hot summers and cold winters: heat capacity and should be selected is greater than the cooling capacity of the air conditioning system to ensure that the heating effect. ∷ electric auxiliary heating type air-conditioning closet: In addition to the general characteristics of air-conditioning closet, but also increases the electric auxiliary heating element to ensure a strong winter heating. Air conditioning improper use, or the surrounding conditions change, the external power accidents caused by objective factors such as the failure of some non-substantive Xuzhou air conditioning repair parts, making it difficult to judge the family and eager to please people hands-on maintenance, thus increasing the real failures caused by human not only increase the costs, but also affected the normal family life and work in the hot summer. So in the context of home air conditioning to help readers improve the use of knowledge, improve their quality of life. Xuzhou air conditioning repair parts, 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.