Central air conditioning system is driven by a series of fluid flow heat exchangers of various types of sports equipment (such as fan coil units, evaporator, condenser, and an intermediate heat exchanger, etc.) and connecting pipes of various devices (such as ducts, pipes and refrigerant pipes) and the valve member of the composition. The system can be divided into the following five general cycle: (1) the indoor air circulation; (2) cold water circulation; (3) circulating refrigerant; (4) cooling water circulation; (5) outdoor air circulation. Overall Xuzhou central air conditioning repair, central air-conditioning system composed of equipment and machinery are mainly two kinds of heat exchangers and fluid machinery. Heat as high and low temperatures two working fluid energy exchange equipment. When the heat is not good for any one group, will increase system power consumption rate (kW / RT), not the system increases power consumption is freezing ability. Fluid machine is pushing the working fluid cycle power plant, the power consumption W = QHh / η. How much power consumption during operation depends on the number h, delivery of the working fluid flow rate Q, the working fluid circulation desired lift H and efficiency η, to reduce any of them, can save energy. Today, then repair a tea shop Galanz air conditioner does not turn on the machine hangs up. Door with a multimeter test have 220V power supply voltage, open the machine housing the test into the motherboard has 220V, pull the plug on again, the motherboard buzzer does not ring, remove the external drive-line, remove the motherboard, view the fuse is good, when the check to board transformer When the wires have been found to have a bite of rat traces, remove the transformer wires are carefully examined mouse really is snapped. To prevent poor contact of the disconnected part connected to the soldering iron and then the electricity is good, wrapped in insulating tape, installed transformer and the motherboard. Electric drip on the machine soon, with the remote boot Xuzhou air conditioning maintenance and fluoride, outside the machine is working properly. Shell hook installed, commissioning three minutes, heating good customer satisfaction. Maintenance Summary: Most hotels, restaurants, bakeries and other food and beverage industry, rodent more hair, more service please take note of the electronic components of the wire connection is good. Power does not turn on the air conditioning machines common in the following situations: First, the power supply problem, no power or voltage is not normal. Second, the board or motherboard bad transformer cable disconnected. Third, the remote control or a bad motherboard. To check the specific situation step by step. Xuzhou Hisense air conditioning repair refrigeration _ Sheng Erda (certified) _ Air conditioning is provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou Sheng Erda Refrigeration Electrical Services Limited (xzktw.com) is in 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. In Sheng Erda refrigeration leadership with the staff warmly welcome all inquiries negotiations to create a better future for refrigeration Sheng Erda.