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What is Blower and Motor Sizing Guide about?

This document discusses calculations for sizing blowers, motors, and pulleys for HVAC systems. It provides formulas for determining blower RPM, motor pulley size, and horsepower requirements based on existing and desired airflow. An example is worked through where the existing system airflow is 3000 CFM but needs to be increased to 4000 CFM. Calculations show the blower would need to increase to 1167 RPM, the motor pulley would need to increase to 10.7 inches, and the horsepower load on the motor would incr

Author

Chris Layton

Language

EN