The main disadvantage of fan coil air conditioning system is: As the unit set up in the room, and the building and other trades needed for effective cooperation; relative dispersion unit, its large maintenance workload; must solve the problem of fresh air; small fan static pressure You can not use a high-performance filter horizontal concealed fan coil, making the indoor air cleanliness is not high. Nanjing Environmental Engineering Equipment Co., Ltd. Keao production, consulting, design and installation of one of the specialized multi-industry company, is the early development of integrated operational environmental protection products, and other business areas of the company. The company has many years of indoor central air system and central vacuum cleaning system solution to quality, design, construction and management experience. Performance of certain central air-conditioning fan coil fan coil air flow, water temperature is constant, the amount of change in the water supply, cooling capacity with water supply changes, based on part of fan coil performance statistics, when the water temperature is 7 ℃, reducing water supply to 80%, the cooling capacity of about 92% of the original, indicating when the water supply changes affect the cooling capacity is relatively slow. Fan coil supply and return water temperature constant, when the water temperature rises, the cooling capacity with the decrease, according to statistics, when the water temperature rises 1 ℃, reducing the cooling capacity by about 10%, the higher the water temperature, the greater the reduction, dehumidifying capacity decreased. Water supply constant air volume change when fan coil cooling capacity and air treatment enthalpy varies, generally reducing the cooling capacity, enthalpy difference increases, the unit cooling capacity of the fan power changed little. Fan coil inlet and outlet temperature difference increases when the fan coil, reducing the amount of water, heat transfer coefficient of heat exchange coil decreases. In addition, the temperature difference has changed, so the card fan coil units, fan coil cooling capacity with supply and return water temperature increases and decreases according to statistics when the water temperature is 7 ℃, supply and return water temperature from 5 ℃ to 7 ℃, the cooling capacity can be reduced by about 17%. Fan coil installation, fan coil, Keao environment provided by the Nanjing Environmental Engineering Equipment Co., Ltd. Keao. Keao Nanjing Environmental Engineering Equipment Co., Ltd. (www.njxfxt.com) strong, credible, Nanjing in other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Keao environment and you work into the brilliant, for a better future!