Variable Speed Pool Pump How It Works

When your pool pump is turned on it pulls water from the main drains and skimmer. Without one you can make an estimate. 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.

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

Variable speed pool pump how it works.

Using a variable speed pump can cut associated energy costs up to 90. 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. At the core variable speed pool pumps work just like regular pumps aside from the speed options. If you had a flow meter you just dial it in to 9 gpm and set that as your base operating speed.

At 862 5 rpm s the motor is using only a scant 17 5 watts. 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. 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. Here s a quick summary of the process.

A pool pump that uses 1119 watts per hour at 3450 rpm single speed pump rpm s will use only 140 watts at 1725 rpm. A variable speed pool pump will allow you to reduce the flow reducing the sound your features make. 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. For spa lovers jets can be tuned to the exact massage flow desired adjusting for all the individuals in your household.

A 2 pvc pipe can move around 80 gpm total.