I guess there are no well pumpers out there responding! Ad #q%FI)([7W^O(3? Compare these resistance readings to the readings found in Table 13 of the Franklin AIM Manual and then carefully reconnect the wires the way you found them and turn power back on to the pump equipment. For 3 phase motor, if the motor voltage is 440 volts, it will draw 1.7 AMP current. Submersible pumps typically have a control box that the wires from the well connect to. per minute at 300 ft. If you want to double check and you have a 4 wire motor, shut the power off to the well pump, disconnect the yellow, black and red wires from where they are connected, switch the T6-600 to the Omega sign (for resistance readings in ohms) and touch the red/black tester leads to the black and yellow wires that lead to the pump and write the number down. Invest the money you would have spent on a service call into a decent multimeter like the Fluke T6-600. Until then, you will always be chasing/repairing the effects. You must log in or register to reply here. Finding this label on the above ground pump is usually the work of just a few seconds, but what about the submersible pump? Pumps are rated by the usable work that they perform after all the electrical and mechanical inefficiencies have been lost. Most submersible well pumps are 230 volts and require a 2 pole circuit breaker (2 circuit breakers connected together). What amperage rating does the circuit breaker indicate? Answer: Its not advisable to use them on smaller types as it can cause the machine to wear out quickly. I only know it's 100 feet down to my static water level because I tied a fishing weight on fishing line and put it down the well casing until I heard it hit water. A 240 volt, 1 horsepower well pump draws 10 amps of current. A professional in our area is going to charge ~$200 to travel to your house, take the readings and perform a few more checks on your pressure tank and pressure switch then give you an idea of what is going on and make suggestions about anything unusual. If that motor operates. If any particular ad is your REASON for blocking ads, please let us know. Most submersible well pumps are single phase 230 volts and require a 2 pole circuit breaker (2 individual circuit breakers connected together). We use cookies to enhance your experience. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. What Disney Channel was Justin Bieber on? Need Help? While purchasing these items is possible, please do so after having done your own due diligence and understand that these links may generate Amazon commissions. A 30 amp breaker means the pump is smaller than 2 hp will use ~13 amps/2300 watts during operation and will require a 4 KW internally regulated generator to operate the pump. Once the pump has finished accelerating to speed, the current and power usage will drop down to the normal range. tj@E Did you NOTICE that the circuit breaker is significantly larger than the amount of current/amperage the pump uses during operation? As long as it doesn't draw over 9.8 you are good. If you'd like to support the site, please allow ads. All Rights Reserved. A 40 amp breaker means the pump is smaller than 3 hp will use ~16 amps/3200 watts during operation and require a 5 KW internally regulated generator for proper pump operation. We might be able to do something about it. Water is life. A 240 volt, 1 horsepower well pump draws 10 amps of current. How many KVA generators are required for a 1 HP motor? It may not display this or other websites correctly. Write the information down and keep it in a handy place! We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. remove pharmaceuticals from drinking water, Our blog about sizing generators correctly, Digital Single Phase Energy Meter Tester Electricity Usage Monitor AC 110V 40V~300V 100A Ampermeter Power Voltmeter Ammeter Voltage Amps Watt Kwh Frequency Power Factor Meter Multimeter (Built-in CT). If you continue to use this site we will assume that you are happy with it. How many amps does a 1/2 horsepower well pump draw? (This size breaker is also used for 1.5 HP pumps which require a 3 KW internally regulated generator for proper pump operation.). Submersible and above ground pumps have a label on them, at least when they are clean and new. If you dont know who installed the well pump and dont have any past invoices or records, locate the dedicated circuit breaker for the well pump. What if you dont know what size pump you have to choose the right generator? This is the main winding resistance (M). The red lead is drawing 1.3 amps. Next, shut off the power to your pump and pull up the reference charts from Table 13 of the Franklin AIM Manual (also shown at the bottom of this blog) Now, locate the power cable to the submersible well pump, it should have 4 colored wires: Red, Yellow, Black and Green. If you are handy and have knowledge and training tow work safely with electricity and electrical components, this is something that you can do yourself with a few pointers. Stainless steel construction for enhanced corrosion resistance. You are using an out of date browser. given there's 746 watts per horsepower..a pump drawing 12 amps should be: 12amps x 240v = 2880watts / 746w =, More than likely the rating depends on the pump manufacturer for instance a more expensive Wayne pump could be closer to two hp plus has a better warranty and longer life span needed a utilitech pump from the big box stores is rated closer to its actual power but has a shorter warranty and lifespan comparing the specs for same hp pimps from both manufacturers there is a big difference in the lift capability between the two. The pump may produce 1 HP/746 watts of usable water flow/pressure, but the actual amount of power required to do this is a bit higher due to the inefficiencies. If your submersible well pump does not use a control box & pressure switch and, instead, uses a variable frequency or constant pressure controller the information, check out our more recent blog specifically addressing the generator size for residential pump systems that use VFD controllers. A 25 amp circuit breaker means the pump is 1 HP or smaller and will use ~9 amps/1400 watts during operation. Its not very difficult to figure out how many AMP will an HP1 open well submersible motor pump take. Our professional team at Oakville Pump Service helps our clients from Napa, Calistoga, Pope Valley and everywhere in between as they keep the water flowing to businesses, homes and agriculture. Answer: On average, it can run up to 2 and a half hours. U/Y?-7L[q"=aKDaD xa?cMF"QcH! I'll have to check those records you mentioned and see what they have on file. The house we bought is on well water, but no history on the well pump was transferred to us in the salesuch as horsepower or other specs. These links are not intended to show the exact product for your specific application, rather a generic visual example of the product referenced. What to do? In fact, a large well for a whole community can be as large as 10 horsepower, using about 15,000+ watts to run and at least 30,000 watts to start.Different Sizes of Well Pumps and Wattages. Can efficiently pump water up to 8.1 gal. A 1 hp sump pump SHOULD draw about 750 watts running and about 15-1800 starting. Make sure you put the wires back where you found them and turn the power back on or you wont have any water. The circuit breaker needs to be significantly larger because the amount of current/power used to start the pump spinning/pumping is very high. To view inside labeling, you may need a screwdriver to remove the control box cover. Z{{d Products shown as available are normally stocked but inventory levels cannot be guaranteed, For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts). These are vital pieces of info when (not if) you need to replace the pump in the future and it will help you determine how much power the pump needs if you are looking for a generator. A typical water pumps wattage can vary between 250 watts to 1,100 watts. Why the difference? Use of this site is subject to certain Terms Of Use. strange why the math for back calculating the horsepower doesn't come out quite right. Thanks. Please note that Amazon links have been provided to show illustrations of products mentioned in this blog. Capacitor run probably makes it 9.3 amps. It is very loud. A 15 amp circuit breaker means the pump is smaller than .5 hp and will use ~5 amps/700 watts during operation and will require at least 1.2 KW internally regulated generator to start/operate the pump. This is the start winding resistance (S). Switch the T6-600 to the A setting and then slide the yellow forks at the top of the meter over the yellow wire. If you are exceptionally astute, you will notice that a 1 HP pump uses 1400 watts and youll scratch your head trying to make this jive with the 746 watts that your high school physics class taught you is equivalent to 1 HP. This control box will typically have the label on the outside, however some manufactures or pump installers will put detailed information inside. Ensure that you turn the power off and reinstall any electrical covers, then turn the power back on when youre finished. A forum community dedicated to power equipment owners and enthusiasts. (1 HP pumps are sometimes run on a 20 amp breaker depending on the installer and wire size available). AH1BSDc/cq a[Vb`fF7?3hFw|imXCbE:ni49`o If you cant find the label, dont get frustrated because there are still a few things you can do to find out how big your pump is, or at least get an idea of how large it is. Please keep in mind that these recommendations are for traditional pump equipment that use a control box/pressure switch and large pressure tank. If you know the contractor that installed the submersible well pump, give them a call! 10 amps For this same reason you need to size the generator for the starting current (circuit breaker size) and not the running current of the pump! If you do not have a through understanding of proper electrical safety procedures, then you should not attempt working with the electrical equipment mentioned in this blog as it represents a significant hazard of electrical shock and personal injury. While testing a 30 year old pump motor in the well, the Yellow and black motor leads read 9.3 amps draw. L14-30 Generator connection - cap off neutral wire? Once you know how a device/system, operates, finding the root cause in the event chain is easy. Give us a call today (707) 944-2471 if we can help solve your water related problems! Well drilling costs $15 to $25 per foot for the drilling process only. Keeping your hands clear of all electrical equipment and wires turn on the power! HomeX virtual experts will assess your issue (for free!) Open to all tools from Air Compressors, generators, log splitters, pressure washers, sump pumps, water pumps and weedeaters. and can resolve simple problems. Many of our customers and blog readers have been looking for alternative ways to keep their well pump equipment running during power outages. JavaScript is disabled. This label has information like how many horsepower or kilowatts the motor is rated for, how many amps the motor is expected to use and the voltage that the pump needs to run properly. Come join the discussion about brands, maintenance, reviews, troubleshooting, repairs, accessories, classifieds, and more! Q. Can't find a good answer in the AIM manual. You should have a very precise idea of what size pump is in your well. If a single-phase H1 motor has a voltage of 230 volts, the submersible motor will need electricity of 3.2 AMP. If you have only three wires going to your submersible well pump and there is no control box, then just measure the amperage on either of the non-green wires and compare the reading to the appropriate chart in the Franklin Manual for 2 wire motors (not very common). For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. A 1 HP submersible well pump will require a 2.5 KW internally regulated generator to operate the pump. How many watts does a 1.5 HP well pump use? If the amplifier uses a 12V supply and puts out 1000WRMS, it requires 83 Amp, When delivering 1/2hp to the pump, it draws 5.0 Amps. 1 HP submersible pump motor will draw a current of 3. Well pumps should be sized by a professional. Check out more information on page 5 of the AIM Manual or check out our blog if you want more info about sizing a generator for your submersible well pump. SFA for a 1HP is 9.8 amps. The largest well pumps I have seen are 2 hp in my area however given that your water table is 100 feet down I would have to assume that the pump is 150-300 feet down and according to what I've found online a 1.5 hp pump will pump to 275 feet ( this is for a utilitech pump on lowes site) and draw 11.5 amps if you have a 1.5 horse pump I'd say you're good for reference a 1 hp pump will draw about 9.8 amps I'm sure the numbers are different between manufacturers but hope this helped you may also be able to find info on the well at your county records office most counties keep the info on file at least in my neck of the woods, thanks for the reply. It is often located hundreds of feet in the ground! /Rttm%fH~ }kw:w Is that a safe value and what are the limits of amp draw to consider preventative maintenance? We use cookies to ensure that we give you the best experience on our website. It is not uncommon for people to have 3/4 hp pumps installed in their wells equaling 30 minutes of pumping per day or 350 kWh/yr, while a hp pump, which uses only 240 kWh/yr, would be sufficient. In this blog well dive in deep to help you discover how many horsepower, how much current/amperage your pump uses and how many watts of power it consumes while running. If this is your situation you may want to call a professional and have them come take some basic electrical measurements including winding resistance and actual pump run current (amperage). Capacitor run type box. 2 amperes if it is single phase motor at a voltage of 230 volts, and if it is a 3phase motor at a voltage of 440 volts, it will draw a current of 1.7 amperes, maximum. Pumps and Tanks Well Forum & Blog. When the pump starts, it can draw up to 35 amps, but only for 510 seconds. A 50 watt bulb should pull about 4 Amps from the transformer secondary. Local store prices may vary from those displayed. Low amps at full flow are a better indication of a worn pump than high amps.

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