At both ends of the evaporator is connected with frozen water system, the refrigerant absorbing heat in the freezing water will lower the temperature, the low temperature of the water to the client, through the central air-conditioning fan coil for heat exchange, the cold wind blowing. Coordination and hydropower projects (1) condensate drain discharged where central air-conditioning manufacturers, and central air-conditioning company which is connected to the drain, how to link, to be coordinated with the plumber. (2) into the household power distribution box generally consists of decoration electrician unified layout. Electrical power from the decor to the power of the outdoor unit on the terminal. Therefore responsible for air-conditioning installation of central air conditioning brand, should be made in writing to the decoration electrician total power indoor and outdoor unit, the wiring requirements (three-phase five-wire or single-phase three-wire system; wearing tube alone, not mixed with other power line wear; color lines on request) accessories requirements (leakage protection, fuse, manual switch). If the indoor and outdoor unit power supply, respectively, is required to be presented separately. Central air-conditioning agents, Xi'an Hao Electrical and Mechanical Services (certification), Ningxia central air conditioning provided by the Xi'an Hao Electrical and Mechanical Technology Limited. Xi'an Hao Electrical and Mechanical Technology Co., Ltd. (www.029hfkt.com/)(www.029hfkt.com) is Xi'an, central air conditioning leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. Xi'an Hao Electrical and Mechanical Services leadership with the staff warmly welcome all inquiries negotiations to create the Electrical and Mechanical Xi'an Hao better future.