Water movement in system. Check the wiring for proper connections. Grundfos UPA 15-90 Pump is fitted horizontally from a pipe leaving the top of the emmersion tank and supplies hot water to the kitchen and bathroom sinks. Question: Why is the JP pump not turning off? Last night I got home, I switched the power on to the boiler as I wanted the heating on as well as to top up the hot water in the tank. Water Pump keeps on running - how to get the water pump to shut off How to diagnose & fix a water pump that doesn't shut off: this article explains how to diagnose & repair a bore hole or well water water pump that keeps on running and won't shut off. New Shower Pump will NOT switch off !!! Réponse : Il est possible que la tuyauterie d'aspiration fuie ou que de l'air soit présent dans l'eau. The pre-pressure must be 1.7 - 1.7 bar. Do not use force when connecting the pipes to the pump. It has only been used occasionally. The pump should also not be installed with the black circular face on top as it makes it more difficult for the pump to expel any air and leads to rapid bearing wear. there will be an arrow cast into the side of the pump at the pipes end. After that the pump turns off and does not turn back on, no matter how many faucets are open. Discussion in 'Plumbers' Talk' started by Mad Robin, Aug 17, 2010. Pump Problem 5: Pump speed settings are incorrect. Check whether the backflow preventer is present in the suction line and that it is working properly. KeenFisho. Pourquoi la pompe JP démarr... FAQ Question : Pourquoi la pompe JP démarre-t-elle et s'arrête-t-elle rapidement ? Connected tapping points or cisterns may still be running. In this short video we will demonstrate the proper process for both priming and venting the air from a Grundfos CM multistage end suction pump. Like a loop. Reply: Don't turn off the pump as you may lose prime. Circulator pumps contain an electrically-operated motor that thrusts fluid through a one-way valve in the pump so the fluid only travels in one direction. Is this a problem with the Grundfos pump? I. IST. If I manually turn the pump off, then back on, the pump starts and runs for 10-15 seconds. lol no idea where rainmaker came from. . In order for me to stop the pump I have to swith off the power at the CH mains supply. A very strange issue which, in our opinion, is due to a malfunctioning pump or a broken thermostat. À propos de nous Carrière Nous sommes des pionniers Grundfos en Suisse. If the pressure stays exactly the same for an hour, you don’t have a leak. Circulator pumps can stop working for several reasons: a blown fuse, bad wiring or a dead motor. Plus nothing the tank could do would cause the pump to run continuously. Regarding this, how does a Grundfos circulating pump work? I've had a Grundfos amazon 2.0bar shower pump installed in the ensuite for about 18 months. Then either the pressure transducer (sensor) is not working, it is not getting a signal to the CU301 computer, the CU301 is not communicating with the other computer in the SQE motor, or there could be any number of glitches in one of the two computers. The room stat is calling and the boiler is firing, but no circulation, just the flow from the boiler heating … Participant reference: whrl.pl/RdBg3T. Your home heating system is a typical example for the use of a circulator pump. They are extremely easy to adjust. It’s important to address the issue, as a sump pump that’s constantly running is more likely to burn out its motor quickly and fail prematurely. Circulating Pump: http://amzn.to/2eup0fEYou will need to have a return on your hot water pipe. If the air doesn't get out, the tank is most likely still good. to bleed a pump, turn off the system, then undo the silver screw in the middle of the motor end of the pump.Water may dribble out (it will not squirt out) and you may get air first. Do not start the pump unless it has been filled with water, or primed. My Central Heating Pump is Constantly Turning Itself On and Off. Turned water off to house and it still intermittently cycles. . water-heater. Vérifiez si le dispositif anti-reflux e search. I'll have a look in the morning for the things … Thanks for any input. posted 2013-May-25, 10:25 pm AEST ref: whrl.pl/RdBg3T. I ended up just turning all of the radiators off and then forgot about it. Click to see full answer. Do review the article above. FAQ. Let me know if questions remain. There is no splitter valve as pump is only connected to these 2 items Ongoing problem is when bathroom hot tap is turned on, pump always switches on and provides good flow of hot water. Powered up electrically as it says in short bursts then left … Good lck. 1 is the slowest water flow rate and 3 is the highest. Hot Water Recirculation Pumps. On turning the system on again this morning, the same thing appears to be happening, water and heating is coming on as needed, but the thermostat is not kikcing the pump out when I turn the temp down...the pump just carries on humming and getting hot! There are many possibilities as to why your sump pump will not shut off, which is why it’s difficult to fix without the help of a professional. Newer pumps (such as the Grundfos 15/60) will have speed and flow settings. Turn the pump off, close the isolation valve(s), and remove the priming plug. Cheers. Now have dirty water. Discuss grundfos pump not working in the Central Heating Forum area at PlumbersForums.net. Do I need to unplug the recirculating pump to prevent damage while the house water is off? Help. Tim Tim. However, it has even more electronics, sensors, etc., than the MQ, and so far are not … Yes I DO HAVE THE SAME PROBLEM BUT I HAVE HAD SIX MONTHS SINCE IT LAST HAPPENED, THE PRESSURE TANK SEEMS O.K THANKS, Anthony. User #466497 33 posts. Answer: There may be a leak in the pipeline system. 11 1 1 silver badge 2 2 bronze badges. My Grundfos Home Booster has worked fine for 2/3 years, but recently will not stop running, it now has to be turned on/off at the wall. Have the pipe system pressure-tested by a specialist company. I'm not sure if that has any bearing on my current issue but thought I would mention it. Turn off the pump and unscrew until the stream of water comes out with no air bubbles. The only way to stop the pump is turn off the boiler, controller etc at the mains, although it does seem to turn off eventually by itself if you don't turn off the boiler. It is a rainbank. Contact. However, those pumps are notorious for having a very flat performance curve, and may not build the pressure needed for shut off. It is set to 3.6 Bar with a 2 Bar differential and all other settings are auto/as it came. I checked the faucet while turning it off and on, and the pressure does increase for the 10-15 seconds. Assistance. Click to see full answer Similarly, it is asked, how do you bleed air out of a Grundfos pump? Moved into new house (its only 10 years old) with a sealed heating system. there will be an arrow cast into the side of the pump at the pipes end. Kitchen tap only activates pump 50 / 50, so … The Grundfos MQ is a non-submersible pump. Pump Runs, But Does Not Produce Enough Flow (GPM) Possible Cause Shaft is turning in the wrong direction Check This By. Answer: The suction line may be leaky, or there is air in the water. Some people do not use the Central Heating system at all during the summer, and rely on an imersion heater for hot water. share | improve this question | follow | asked Feb 28 '16 at 4:10. Contact. The pre-charge in the pressure tank may not be correctly configured. Dear friends, Please, please please could you help - I'm almost suicidal now! Question: Why is the MQ pump rapidly turning on and off? The Scala2 is Grundfos' idea as a replacement for the MQ. The pump is not working. Could the mid-position valve being stuck cause it to continue running but eventually stop? Check the rotation of the coupling or motor fan. Hi guys Do we have any shower pump experts? It should be rotating Top counterclockwise when View viewed from the top. Status Not open for further replies. Just fitted a New Salamander RSP50 Shower Pump, Essex Flange, vents on Hot & Cold all vented & air removed into a bucket, Connected shower and run all air out again. Do not remove the pressure tank from the pump unless it has been vented through the air escape valve. Turn off Pump; Remove shower head from hose; Let hose hang into bath or shower tray; Turn the temperature to full cold; Turn the shower on and run for 5 minutes; Turn the temperature to full hot and run for a further 5 minutes; Turn off the shower ; Wait at least 20 minutes; Re-power the pump and turn on the shower to test; Flange not used. posted 2013-May-25, 10:25 pm AEST O.P. Then while no one is using water shut the pump off manually. 1. Do not touch the electronics unless the pump has been turned off for at least five minutes. : Hello John just read your reply 5/12/2008 to a question posted in 2007 regarding a grundfos 3-45 pump which keeps turning on and off when water is demanded, did your suggestion of turnig off the auto restart do the trick? Being off for 10 days should not be problem. Page 1 of 2 1 2 Next > Mad Robin New Member. Where to start. The pump will not turn itself on. Will turning the pump off create more problems ? to bleed a pump, turn off the system, then undo the silver screw in the middle of the motor end of the pump. grundfos pump; heating pump running all night; hesting pump constant running; Page 1 of 2 1 2 Next > Yorkshiregirl New Member. For the last few months the pump has faild to turn when called for but turning the shower off and on a few times will normally make it work but not today, it just wont pump. And usually they are between 1 and 3. Water may dribble out (it will not squirt out) and you may get air first. If I do unplug the pump, can it be damaged if not woking for too long? If your pump is staying on for an hour or more after the CH switches off, following the pcb replacement, then either the pump control pcb is faulty or there is a fault in the wiring. A strange complaint we occasionally hear is how the pump is constantly turning itself on and off. May 16, 2010 #1 I have a grundfos pump located on the primary pipes between the boiler and the thermal store cylinder. A bad tank would cause the pump to go on and off rapidly, not just keep the pump running. We feel that Grundfos make the best central heating circulating pumps currently available and see many which are between 20 and 30 years old. add a comment | 3 Answers Active Oldest Votes. If not air the tank up to 30 PSI and see if it holds that for a few hours or a day. Grundfos Suisse. (Dec 25, 2015) kent said: Did turn pump off but back on now. A return on your hot water pipe turning in the water in one direction not be correctly.. Faq question: pourquoi la pompe JP démarre-t-elle et s'arrête-t-elle grundfos pump not turning off JP et! Not build the pressure stays exactly the same for an hour, you don t! 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