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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I always thought that as static pressure increases an ECM will increase its rpm to maintain cfm. However on a psc for example more static would mean less air being moved which results in less of a load?

 

Rookie Answered on March 7, 2018.
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