Variable Speed Pool Pump How It Works

When your pool pump is turned on it pulls water from the main drains and skimmer.

Variable speed pool pump how it works.

The vfd controller will be set so that it keeps the outlet pressure of the pump constant no matter what flow is required out of the pump. A 2 pvc pipe can move around 80 gpm total. Most variable speed pool pumps go as low as 500 to 600 rpm s so you can really see how this can reduce on the electricity that you use. This is why a proper variable speed pool pump schedule includes periods of time where the pump will run higher than the minimum rpm values.

At the core variable speed pool pumps work just like regular pumps aside from the speed options. A variable speed pump allows you to lower the motor s rpms to the minimum speed needed to turn the water over or to maintain your pool equipment. With a variable speed pump a pressure sensor is mounted on the outlet of the pump and this measures the operating pressure of the pump. If you had a flow meter you just dial it in to 9 gpm and set that as your base operating speed.

Here s a quick summary of the process. Without one you can make an estimate. For spa lovers jets can be tuned to the exact massage flow desired adjusting for all the individuals in your household. At 862 5 rpm s the motor is using only a scant 17 5 watts.

When you run the pump at lower speeds that means you re using less kw or energy from your power company.