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Course Content


The blower motor is a component of an HVAC system that circulates air around the building. It's the essential to keeping your facilities at a reasonable temperature and humidity level. Blower motors direct cold (in the summer) or heated (in the winter) air through ducts to the appropriate area.

Divide the result by the pressure in pounds per square inch at the gas discharge point. If the pressure is 15 pounds per square inch, for example: 46,354 divided by 15 equals 3,090. The volumetric flow rate of the blower, measured in cubic feet per minute, is the solution.

The ACFM value (and accompanying density) is the ideal value to use when selecting a fan or blower because fans and blowers handle the same amount of air regardless of density.

The most frequent blowers used in ventilation systems are centrifugal blowers. They're also utilised to carry gas and reduce pollution levels. A multistage centrifugal blower is a specific type of centrifugal blower. This blower is used to create suction, circulate air, and create pressure.

Blowers are used for three purposes: heating, cooling, and air flow. Despite the fact that unit designs differ from simple to complicated, most blowers contain some form of fan-like mechanism. Pressure pumps are also used by some blowers to move air or gases. Warm or hot air is directed into cooler areas using heating blowers.

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