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Tips for Fan Coil Unit Model Selection

Views : 1824
Update time : 2020-04-01 11:14:15
Regarding the fan coil unit, I believe that no one knows it better than the design and production personnel of the fan coil unit manufacturer. The fan coil unit model selection is no better than other types. If the selection is wrong, it will directly affect the use effect of air conditioning fan coil unit.
Fan coil units are divided into 9 different types in turn according to the size of the air flow from small to large to meet the use of different sizes of space. If the fan coil unit is selected to be large, it will cause waste of air conditioning fan coil unit, and if the fan coil unit is selected to be small, it will cause poor air conditioning effect.

In the first step of fan coil unit type selection, it is necessary to make clear the air conditioning fan coil unit tuyere position and fan coil unit type.
1. Heating selection requirements for fan coil unit type: usually, heating capacity is sufficient according to the unit selected for cooling, and the heat return quantity is selected according to the same water flow rate, i.e. the inlet water temperature is used to meet the indoor heating load.
2. Cooling selection requirements for fan coil unit: match the design preheating load of fan coil unit with the sensible heat load of fan coil unit.  In most cases, the fan coil unit has enough latent heating capacity to meet the design requirements.  If outdoor air is used for fan coil unit, the load and calculation formula shall be adjusted accordingly: water temperature rise (℃) = air temperature rise (℃db).

The second step of fan coil unit model selection is to understand the water quantity, unit specification, water quantity and pressure drop required by fan coil unit.
1. According to the central air conditioning fan coil unit pipe layout choice fan coil unit left water or right water
2. Fan coil unit bearing selection, need to understand is oil or does not contain oil pump

The price difference between fan coil units is not very big, but the air flow and air conditioning effect of fan coil units are quite different, so remind everyone to choose the correct fan coil unit according to the space demand.
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