Using PID Constants to Tune an HVAC Control Loop

PID tuning constants can be one of the most confusing concepts in HVAC and Industrial Controls

but it doesn’t have to be.

II have had a lot of requests to create a video explaining PID control and how to tune a control loop.

PID stands for Proportional, Integral, Derivative. These are calculus concepts that have to do with the rate at which variables change in relation to each other.

Tuning a PID loop can be very complicated and is much an art as it is a science.

For the HVAC control pro, and for most HVAC control loop tuning applications the process is usually pretty simple and straight forward, especially if you understand the theory.

Hopefully, this video is helpful! Please let me know in comments if it helped, and what other HVAC controls videos you would like us to create for you.

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