Check before starting a project, check the fan drive belt slack Horizontal fresh air unit, to be replaced over time as the extension 2CM hand taut. 2. Check the fan and motor bearings are normal, filling a lubricant (optional models). 3. Check the condenser coil is clean, drain pan outlet without foreign body, if you want to clean and clear. 4. Check whether the normal fresh air unit heaters, voltage and resistance measurements, such as abnormal to be repaired or replaced. 5, in the presence of other abnormalities inspection machine, the inner panel is sealed after installation. 6. Check the filter seal and leakage 7, check into the wind, air valve is in the open state cabinet cabinet air conditioner performance and features air-conditioning unit, also known as cabinet fan coil units, VAV unit ( installation of the control box), new air handling units, air handling units, air handling, air conditioning boxes, are from low-noise fan, cooler, frames, panels and air filters and other components. ★ exquisite appearance all sheets are high quality cold rolled plate, using international advanced technology coating from. Continuous smooth surface, clear and beautiful appearance. ★ stability of air conditioning all internal components are within the framework of high strength, good stability. ★ high heat transfer efficiency cooler made of high quality brass and corrugated aluminum fin tubes are connected up, with winds of fresh air blower unit specifications, and the unit to maximize the heat transfer efficiency. ★ tightness seal structure using a unique mosaic design to ensure that the panel and the cabinet are linked closely together, the amount of air leakage is less than 1%. ★ installation forms a flexible and less costly use of computer-aided design of new air conditioning unit, the unit is small, to take full advantage of the limited space for installation, high residual pressure inside the machine, you can freely choose not Jie Feng Jie Feng pipe and tube in two forms installation. ★ cabinet air conditioner filter for easy cleaning filters for early effect of plate can be freely withdrawn from the left, clean fresh air to replace the air conditioning unit is very convenient, Rui Xincheng air conditioning (certified), Zhangjiakou new air conditioning equipment units from Texas Rui Xincheng Limited. Texas Rui Xincheng Air Conditioning Equipment Co., Ltd. (www.dzrxckt.com) is a leader in Dezhou, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Rui Xincheng conditioning in leadership with the staff warmly welcome all inquiries negotiations to create a better future Rui Xincheng air conditioning.