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Selection of fan coil to home
time2011/09/21
Science and technology continue to drive forward the development of quality of life, but also affect the daily life of comfort. Take it for a fan coil comfort, energy saving, quiet and some other columns advantages widely recognized by consumers. However, with the fan coil selection do not know where to start.
Fan coil central air conditioning system as the end device, in many public places, widely used, its main features are as follows:
First, since into the unit, flexible adjustment.
Second, the fan coil body small, flexible layout, easy installation, take up less building space, easy with built-in construction.
1, the cooling capacity of the calibration
Generally is based on the fan coil cooling load calculation to select the products, but should pay attention to the different way of supplying fresh air fan coil load will lead to cold is also different. Products currently on the market are generally nominal cooling capacity and the actual operation of the cooling capacity should be the average running time, the input will affect the unit cooling capacity. So cold is only a necessary condition for the device as an option, one should also take into account other factors.
2, air flow calibration
Quality requirements by checking the main room air changes. Air temperature the smaller the number, the more ventilation, the air quality better, more comfortable, air-conditioned room why some feel, smell, heart, checking the air flow is not handled well. As the name of fan coil air flow in the barrier to water, air condition zero differential pressure measured, so there are some unrealistic elements, so the actual air volume is to determine the ideal state should be this part of the value of wind net, measured by experience, this part of the additional air volume air flow should be accounted for 20-30% of nominal.
3, delivery, return air way
Delivery, return air fan coil, namely the formation of the so-called organization, and its reasonable or not directly affect the air-conditioned room temperature, velocity field uniformity and stability. Reasonable airflow requirements of a certain air speed, air flow to avoid short circuit, in order to guarantee the jet length.