how to determine what speed to run at
How To Calculate Pool Pump Run Fourth dimension
If you take a pool, then you almost assuredly have a pool filter pump. But how long should you run the filter pump? Knowing that a pool pump filter system is the 2nd highest energy consumer during the summer, (later on AC units), we want you to get the near bang for your buck.
Let's walk through a few common questions and then breakdown the calculation backside finding the ideal pool filter pump run fourth dimension for your swimming pool. Nosotros will show you the standard calculation and a simple calculation.
What does the pool filter pump do?
To sympathize how much run fourth dimension you demand, it'southward important to know exactly what your filter pump does for your pool. The puddle filter pump is the heart of your puddle filtration system. It circulates water from the pool and returns it back, distributing puddle chemicals and filtering your water. Information technology is recommended that you "turnover" or circulate all of your puddle h2o through the pool filter at least once throughout the twenty-four hour period. This will ensure that the chemicals are evenly distributed and your water stays clean and articulate. If you don't circulate the h2o, y'all run the risk of algae growth and water balance or clarity problems. This may atomic number 82 to water that is unsafe for swimmers.
How many gallons of water are in my pool?
Before nosotros start, allow's sympathize how many gallons of water are in your pool. To discover your pool's volume, use one of these easy calculations. If you lot don't want to summate the puddle volume, take a quick look at the tabular array on this helpful article: Calculating Pool Volume.
Square and Rectangle Pools with Single Depth:
Length ten Width x Depth x 7.5 = Estimate Volume (Gallons)
Square and Rectangle Pools with Variable Depths:
Length 10 Width x Average Depth x 7.5 = Guess Book (Gallons)
Boilerplate Depth: If the pool has a shallow end and a deep cease, add the ii depths together and split by 2. (Example: The shallow finish is 3' deep and the deep cease is viii'. Using the Boilerplate Depth formula: (3+eight)÷2=5.v' Average Depth.)
Round Pools:
3.fourteen 10 Radius x Radius ten Average Depth x 7.5 = Book (Gallons)
The Radius equals the diameter divided by 2. (Case: A 16' diameter divided by ii = 8' radius.)
Note: Nigh round pools have a unmarried depth.
Oval Pools:
3.14 x Length ten Width x .25 10 Average Depth x 7.v = Judge Volume (Gallons)
Kidney-Shaped Pool:
(A + B) x Length x 0.45 10 Boilerplate Depth x 7.v = Judge Book (Gallons)
("A" and
"B" = Width at two widest points)
Irregular Shaped or Costless-Form Pools:
Longest Length ten Widest Width 10 Average Depth 10 v.ix = Approximate Volume (Gallons)
What is the Turnover Rate?
At present that nosotros have the puddle volume in gallons, we can calculate the Turnover Rate. The water menstruation of Flow Rate for all pool filter pumps is measured in gallons per minute (GPM), versus gallons per hour (GPH). Here is how to get that number:
Total Pool Volume ÷ 8 = GPH
GPH ÷ threescore = GPM
Allow's practice some math!
At present that we accept gallons per minute (GPM) and pool volume, nosotros can summate the run fourth dimension. The math is elementary. For this example, allow's say you take a 20,000 gallon puddle and the pool pump has a GPM rating of 40. Catch that computer and just "sub-in" your measurements for these:
twoscore (GPM) X 60 (minutes per hour) = 2400 gallons per 60 minutes
20,000 (gallons) / 2400 (gallons per hour) = eight.three hours
In this case, the ideal pool filter pump run time is eight.iii hours per 24-hour interval for one circulation or "turnover" of water.
A simpler adding
Here is a simple rule of pollex for operating your single-speed filter pump during the swim season when the temperatures and bather loads are loftier:
Run the circulation organization one (1) hour for every 10°F of air temperature if a single-speed filter pump is installed.
Case: If information technology is 100°F, the pump should run x hours a day minimum. Of course, if the pool is total of algae or a major weather condition event has occurred, the pump may need to run 24-hours a 24-hour interval.
Variable-Speed Pumps:
Variable-speed filter pumps should run longer, based upon the operating speed. Most pool owners run their variable-speed pump 12 hours per day (3-4 hours on high speed for the pool cleaning system and viii-9 hours on low speed for filtration). Keep in mind that certain water features — Salt Water Chlorine Generators and heaters — may not operate properly or even turn on if the filter pump is running on depression speed.
Any further questions?
If you take any further questions near pool pumps, we're here to assist! Terminate past your local Leslie's store to speak with ane of our friendly pool experts.
Source: https://lesliespool.com/blog/how-to-calculate-pool-pump-run-time.html
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