A cycle refers to the pump run time. A cycle starts when the pump starts and a cycle is completed when the pump stops. Pump starts and stops are determined by the pressure settings of the system. Below, we demonstrate a tank’s drawdown feature that assumes a water system with a 30/50-psi pressure setting. This means that the pump will start (“cut-in”) whenever the pressure inside a tank is reduced to 30 psi and will stop (“cut-out”) when the pressure reaches 50 psi. Common pressure settings are 20/40, 30/50 and 40/60.