• Start/Stop control – Simple method that turns the motor completely on or off based on pressure limits, typically used for small systems.
  • Load/Unload control – Runs the motor continuously while alternating between loaded (compressing) and unloaded (idling) states; common in medium systems.
  • Modulation/Throttle control – Restricts the air intake using an inlet valve to match output, ideal for moderate demand variation.
  • Variable Speed Drive (VSD) – Continually adjusts the motor speed to match real-time demand, designed for wide variations in air demand.
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