RE: Amperage, Static and Air Flow

Many techs think that as static pressure increases the “load” on a blower increases. Let’s discuss this.

BryanOrr Pretend Internet Professor Asked on March 7, 2018 in Residential HVAC.
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3 Answers

If you starve the system from air there will be not much/nothing to move, so the wheel will spin without doing any work, in the technical sense of the term.
The load decreases. Just like a conveyer belt with nothing on it. It keeps on moving but it moves nothing.

Rookie Answered on March 8, 2018.
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