How much would it cost to replace the circulatory pump? To remedy this, turn your pump's power OFF at the circuit breaker, and then remove the pump basket lid and take out the basket. The low speed on the pump won't start, just hums. 5 litres of water into the pump through the priming port, see the installa- tion and operating instructions. Grundfos Alpha2 15 60 130- Pump speed and noise issue, Danfoss DHP-AQ MAXI - Grundfoss Circ pump keeps running. Could it be the transformer that has gone bad? I connected it directly to a power outlet and the pump is working. The power company should be consulted if there is no power to the box. if ((!$("#local-search-services-req").val()) || (!$("#local-search-location-req").val())) { Looking at the pump curves, it does seem a better design than previous Grundfos pumps, with greater overlap of varying control modes (constant pressure, proportional pressure, constant speed). All electric pumps surge when they first start up except a newer type of pump called a no surge or slow start pump. This water, in turn, allows the pump’s suction to be communicated to the water inside of your well. The UPS26-150F is a three speed circulator with a wet-rotor fluid movement design. See CIRCULATOR PUMP RELAYS & OTHER CONTROLS for details. If there is no voltage at the control panel, check the feeder panel for tripped circuits and reset those circuits. Bad aquastat? When this happens it may just be a pressure or float switch that is faulty or the pressure controller unit on top of the pump. Second, check the overload protection by checking the circuit breakers and third, check if the pressure switch is damaged. Click to Show or Hide Citations & References, TACO 1900E ECM HIGH EFFICIENCY CIRCULATOR MANUAL, BELL & GOSSETT B&G EQUIPMENT MANUALS & CONTACT. Carefully remove any visible debris from the … When the TT wires are jumpered OR the thermostat is calling for heat, the circulator relay should "pull in", switching on 120VAC to the circulator pump itself. Enter the product for which you want to troubleshoot in the search bar at the top. Diag the pump fried replaced with new still doesnt cycle. Select the supplier or trade you require, enter your location to begin your search. Choose your product from the list of options. Then go to the ‘Documents’ tab and download the Installation & Operating Instructions. Or see CIRCULATOR PUMP WON'T START FAQs - questions and answers about dead circulator pumps posted originally on this page. This is exactly the same as what would happen if the thermostat is calling for heat. Clogged Pump Impeller. Heating zone circulator pump won't start or seems stuck: how to diagnose & fix a heating zone circulator that will not run when it should. CIRCULATOR PUMP WON'T START at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Late in 2015 we had trouble with three UPS2 15-50/60 pumps which were all only a few months old and had similar faults. Watch out: exposing or touching live electrical wiring connections can shock or kill you. }); (You must log in or sign up to reply here.). Once it starts to deliver water, the pump will change over to normal operation (start/stop). Watch out: it is difficult to tell if some other circulator pumps are actually running: a TACO brand circulator is often virtually silent - even feeling its vibration can be tough. } To correct, interchange any two incoming power leads. First set the room thermostat all the way "up" so we know it's set above the room temperature. or Improper mounting with control module "down" - that permits water to leak into the electrical components of the circulator, Less common: wiring run too long for wire size & circuit ampacity - voltage drop; For readers needing the IO Manual for this circulator pump, See TACO 1900E ECM HIGH EFFICIENCY CIRCULATOR MANUAL [PDF] including the Taco 1915E, Also see the diagnostics at ELECTRIC MOTOR OVERHEATS inspectapedia.com/electric/Electric-Motor-Overheating.php. I have a super hot mini gas boiler after a power outage the furnace wont work properly the unit turns on no circulation. If the circulator pump runs and the boiler is hot but the radiators or baseboards do not get hot the system may be air-bound: See COLD HOT WATER BASEBOARD / RADIATOR, On 2020-10-21 by (mod) - Taco 1910e Circulator Over Current Error Code diagnosis, Include the possibility of a failing or seizing rotor bearing or motor bearing, debris in an impeller assembly - clogging low voltage supply, pump cavitation (air in the heating system and piping, and possibly an unusually high head pressure on the system for example if you are trying to circulate to an altitude or height above what the manufacturer permits. It makes a clicking noise every few seconds, then the boiler overheats, boiler thermostat cuts out and air travels around the system. $("#local-search-form").submit(); We have therefore ch… Remove and inspect the strainer, screen, or valves. Run a supply of cold water through the pump, if the unit does not start due to overheating. The first could be that power is not being supplied to the pump. You can create your listing free at DIYnot Local Amazon – 1m min The thermostat wires act as a simple "on-off" switch, connecting to the circultor relay in the aquastat or in the separate circulator relay. If you do not know how to make these tests safely don't try it: call for help from a trained professional. If you follow the circulator wires back you will find them connecting to the circulator relay. Step into our world. my Taco 2 inch taco 1915e runs for a few hours then starts blinking 2 red lights meaning over current..... this is a brand new pump works fine when running.... can someone Help ? Priming involves filling the drop pipe with water. If the submersible well pump won’t start, there could be one of three things wrong. Clean and replace. If the circulator pump won't start when the boiler temperature is sufficently high that it should, you would check the following: 1. Helpful. Check the circulator relay - it should be turning on the pump; Check the thermostat terminals at the circulator relay - jumping those should turn on the pump.Check for shorted or disconnected thermostat wires.Watch out: the pump may be running fine and the problem could be an air-bound heating zone.Please see diagnostic details at CIRCULATOR OPERATION CHECKS. Grundfos pumps offer the pinnacle of reliability and performance for a large variety of water circulation applications. Watch out: exposing or touching live electrical wiring connections can shock or kill you. where you'll see that the temperature has to be above the LO setting for circulator to run. In addition, the controller protects the pump in case of faults. Submersible pump won't start: Problem Check Correct; Power is not supplied to the submersible pump: Place a voltmeter across power lines coming into the submersible pump to check the power supply for the overload protection box. Take a look at the boiler temperature on the gauge on the boiler and take a look. Can anyone advise a fix ? Ask us about it! Preventive mainte- nance may be required. I just turned on the heat system two days ago and I noticed the circulator pump is not spinning its motor. The two upper levels get heat on the radiators, but the one on the entrance level is not getting heat. 2) Ensure static head requirements are met for pump. A couple of my rooms were not heating so I decided to check out and see if the pump was working. Replacing the faulty part is usually the cure. InspectAPedia tolerates no conflicts of interest. If you need to find a tradesperson to get your job done, please try our local search below, (Otherwise it's locked out on most systems). Start the pump and compare the reading to the published performance and NPSH data for that pump. circulator pump goes on when heat called, runs thru cycle, but doesn't come again.....burners come on,but not circulator which in turn system goes off. In answer to your cost question, Grundfoss & Bell & Gossett heating zone circulator pumps are typically in the range of $100. When the circulator relay is switching on 120VAC to the circulator pump itself we should see 120VAC at the power terminals at the circulator pump. This article series describes how to diagnose & fix circulator pump problems on hot water or hydronic heating systems. 2. depending on the pump model. Is this caused by the pump not working? Some circulator pumps make enough noise and vibration that it's obvious if the pump is running. Are you a trade or supplier? $("#local-search-services").val($("#local-search-services-req").val()); The Pump Won’t Start. If they have, flip the breaker back on. Grundfos circulation pump wont switch off. An SQ is a 3" submersible pump bench-marked against the best 4" competitors and with a number of additional integrated protective features. The pump is hooked up to an aquastat (the thermastat located against the pipe exiting the boiler) which is set at 140 degrees. My daughter bought a house with hot water heat. Check that the circulator pump is getting electrical power. 4. A clogged impeller may prevent your pool pump from starting up. Check the level of the water within the pump. Otherwise, the pump simply won’t be able to generate the necessary amount of pressure to raise water. 5. I have the correct volts and have no aquastat connected, DhireshSure. Noise in pump that sounds like gravel: Pump is cavitating Insufficient inlet pressure at pump - choke back on pump discharge valve to lower NPSHR (net positive suction head required) Clogged strainers on pump inlet piping - remove strainer, screen or valve and inspect. Check the water supply suction pipe for damage or obstructions, if the pump does not start. I bleed all the valves on all the radiators. Pump should be operated under flooded suction only: Pump not primed: Prime pump - Make certain inlet pipe is drawn up tight and pump and pipe are full of water: Incorrect rotation, motor running backwards: Reverse motor rotation can occur on three phase units. Burner turms on zones open everythong but pump. Firstly check the valves are both in auto position. Steve, on a very common hot water heating system installation the aquastat is a combination control that includes a HI LO and DIFF setting - the LO and DIFF settings control the boiler when no heat is being called for and maintain heat in the boiler to provide domestic hot water through a tankless coil - that might not even be present or not in use on some installations. Where is Grundfos quality control?? Once you notice water coming out of the opposite end, turn off the hose and restore power to the pump. The ability for self-priming pumps to prime hinges on all the right conditions. In order to draw water up from your well, an above-ground well pump must first be primed. Option 1: Use Grundfos Product Center. At that point if the wires to the pump are not seeing 120 volts then the problem is most likely not the circulator but instead the circulator relay control. WATER PUMP GOALS FOR THE OFF GRID HOME #1 Obviously we are trying to find a pump that will do the job but use the least amount of electricity. We carry a comprehensive stock of pump spares for Lowara and Ebara water pumps. There are three ways in which the pressure can be increased in a centrifugal pump: 1. larger diameter 2. more pump stages 3. increased speed When we want a 3" pump we cannot use item 1. As a renowned pump manufacturer, Grundfos delivers efficient, reliable, and sustainable solutions all over the globe. the pump won’t start, averting potential damage. The issue I think is that the boiler is not activating the pump so it may be an electrical issue. Step 1. There is no overload protection What is the SQ and SQE? }); Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. ensuring the correct phase sequence delivers maximum performance. - using a DMM or VOM one can check that right at the transformer; Take care not to touch live voltage - you can be shocked or worse. Read more. to $300. and the grundfos picks up from there via closely spaced tees in its own loop. first thing in the morning. CGM-5-PI. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. A non-return valve prevents backflow. WHAT GOES WRONG WITH HEATING CIRCULATORS? If that general control and approach are in use on your system and if your system is hooked up in the manner typically used in the U.S. (not in Canada) the circulator won't turn on until the temperature is sufficiently high in the boiler. Sparco air purgers, air scoops, and other heating system components & controls: "Residential Hydronic (circulating hot water) Heating Systems", Instructional Technologies Institute, Inc., 145 "D" Grassy Plain St., Bethel, CT 06801 800/227-1663 [home inspection training material] 1987. Easy to check: the transformer will have an output of 24VAC. There will be a relay switch either in the aquastat on your boiler or one or more additional circulator relays controlling additional circulator pumps if there is more than one circulator pump. When started, the pump will start to evacuate the air contained in the system. BRAND NEW! 6. Secondly check there is resistance on both valves when you slide the lever (with the timer off on both CH and HW) no rresistance could indicate a stuck motor. It's ran off the water heater and water heater is working proper. $( "#local-search-error" ).show(); Operation 4.1 Priming Before initial start-up, pour approx. Shouldn't the pump come on right away? The pump must be able to evacuate air from inside the pump, create a low pressure area at the eye of the impeller, and also be properly sized for the right NPSH conditions. or if you are doing it yourself you can find suppliers local to you. Inspect the electrical box for blown fuses and tripped breakers. Grundfos also produce the Alpha 2L 15.50 and Alpha 2L 15.60 pumps. The controller on the pump won’t let it start or turn off. You will find the pump troubleshooting guide at the end of the Installation & Operating manual. If the pump doesn’t come on, check that the circuit breaker or ground fault circuit interrupter for your pump hasn’t tripped off. $('#local-search-submit').click(function() { It should be easy to diagnose this problem by bypassing the aquastat's circulator relay - by jumping the circulator proper terminals. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Rig up everything pump did not start pulled out the pump double checked everything up to the bottom connectors continuity and live volts everything it is there but motor won’t start. 1. From home hydronic circulation to large scale commercial water movement, Grundfos has a pump that will provide years of trouble-free service. You can actually see the link spinning. Check the circulator relay has power and is switched "in" or callling for the circulator to run. We have no relationship with advertisers, products, or services discussed at this website. Check that the boiler temperature is above the circulator cut-in temperature controlled by the aquastat. return; If the circulator pump has power but the pump is not spinning then there is an internal problem in the circulator pump or pump motor or its impelller. First set the room thermostat all the way "up" so we know it's set above the room temperature. The Grundfos Alpha central heating circulating pump has been replaced by the Alpha 2 15.50 and Alpha 2 15.60. A lochinvar WHN085 is feeding a primary loop (with an armstrong ECM pump). To prime a water pump, start by turning off electrical power to the pump and opening any relief valves on the system. Check that the circulator pump itself runs and is not damaged, jammed, frozen - how to tell if the circulator is running - below we give seven ways to test a circulator pump to see if it's running and if it's pumping. #1 I have a Grundfos Ups2 15-50/60 pump, approx 2 years old (still under warranty) which does not start when the system is cold or has not been calling for heat for a while, eg. EG: Obstructed outlet or inlet piping: "It is recommended that the1900e series pumps be installed with at least 5 to 10 pipe diameters of straight pipe on the inlet and outlet of the pump. " If the circulator pump won't start when the boiler temperature is sufficently high that it should, you would check the following: 1. Having a pump that won’t prime, loses its prime, or is slow to prime? Why can't we just build a 3" stainless steel product similar to the Grundfos SPA? Installation and Operation Instructions, Raytherm Residential Boilers, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, "Instruction Manual, Bell & Gossett Series LR Circulators" P86101D, Mayu 2012, Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379 www.xyleminc.com/brands/bellgossett, Bell & Gossett Air Separators and other heating system components, 8200 N. Austin Ave., Morton Grove IL 60053, USA - Tel 847 966-3700 Fax 847 965-8379 . Heating, Ventilating, and Air Conditioning Volume I, Heating Fundamentals, Boilers, Boiler Conversions, James E. Brumbaugh, ISBN 0-672-23389-4 (v. 1) Volume II, Oil, Gas, and Coal Burners, Controls, Ducts, Piping, Valves, James E. Brumbaugh, ISBN 0-672-23390-7 (v. 2) Volume III, Radiant Heating, Water Heaters, Ventilation, Air Conditioning, Heat Pumps, Air Cleaners, James E. Brumbaugh, ISBN 0-672-23383-5 (v. 3) or ISBN 0-672-23380-0 (set) Special Sales Director, Macmillan Publishing Co., 866 Third Ave., New York, NY 10022. Then, insert a hose into the plumbing fixture and turn it on so the tank in the pump starts filling up. The controller ensures that the pump starts automatically when water is consumed and stops automatically when the consumption ceases. Apologies for the delay. Pump Spares & RepairPumps will eventually need to be repaired or replaced; whether your pump won’t start, the pressure is reduced, or there is a poor flow rate, faulty pumps will affect the performance of your overall pumping system. Uncommon: improper pump installation or mounting position. $("#local-search-location").val($("#local-search-location-req").val()); Never had any issues with the Monsoon until recently, worked seamlessly for 15 years providing hot and cold water … Even a new circulator pump bearing can be damaged if the pump is not installed with correct alignment, though I've seen that problem more-often on older circulators that have a heavy and separate motor. Install a compound pressure gauge at the suction side of the pump. Thirdly if the valves are on plugs try unplugging each valve in turn and seeing if the pump cuts … Some circulator pump models such as the older B&G red circulator pumps actually have exposed linkages between the electric motor and the circulator impeller assembly. Some old timers push down on the circulator relay - if it clicks on (and the pump runs) then the relay was not being pulled in by the thermostat (switch) OR the relay itself has failed. } else { Grundfos is pumping the entire home (about 40 feet up from the basement at the highest point - I have some loops/manifolds in the attic). Check that the thermostat is calling for heat and the room temperature is below the thermostat set temperature. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. measuring voltage leakage to the ground on start-up protects against ground failure/insulation resistance before start-up. I have a Weil-McLain furnace/boiler model no. Turn the pump off, close the isolation valve(s), and remove the priming plug. 1) Full bore isolation valves turned to open position. 2. Inadequate water supply. Watch out: if you're not familiar with proper and safe electrical testing: you could damage a control or make the equipment unsafe or get shocked or worse. Continue reading at CIRCULATOR OPERATION CHECKS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. $(function(){ If you do not know how to make these tests safely don't try it: call for help from a trained professional. Since this is the main pump, it faults when the heat cycle kicks in when idle since pump only hums and doesn't run. Make sure you use a qualifies and experienced repairer for the job as there is mains electricity involved. Reprime pump. event.preventDefault(); Hi, I just swapped out my old Stuart Turner Monsoon Negative head pump for a Grundfos STN 3.0 B negative head pump. CORRECT THIS BY... No power at the motor Check for voltage at the control box or panel. I've replaced the taco pump, both relay switches and thermostat on my hydronic heating system. 3. Check that the thermostat is calling for heat and the room temperature is below the thermostat set temperature. Air separators are discussed by B&G at http://www.bellgossett.com/homeowners/BG-airseparator.asp, Taco air scoops and other heating system components & controls: Taco Inc., 1160 Cranston Street, Cranston, RI 02920 / (401) 942-8000 / Fax (401) 942-2360 Taco (Canada) Ltd., 6180 Ordan Drive, Mississauga, Ontario L5T 2B3 / (905) 564-9422 / Fax (905) 564-9436 www.taco-hvac.com. Is there any danger/risk of running the heat with the circulatory pump not working? $( "#submit-search" ).blur(); The full range supplier of pumps and pump solutions. The circulator pump did not start to opereate until the boiler temp read 150 degrees. incorrectly connected phases cause rotation in the wrong direction which reduces perfor- mance and leads to … Hello I have a Bell Gosset Circulator for my gas fired boiler. If I go to high speed the pump runs fine and I can drop back to low speed and it usually will run fine. If we suspect that the thermostat is not working we disconnect the two T T wires at the relay or aquastat, then jump the two T T terminals together. Macmillan Publishing Co., NY, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. I bled the radiators, oiled the circulator pump and turned up the thermastat in order to check the operation. Thanks. Item 2 will make the pump extremely long. Discussion in 'Plumbing and Central Heating' started by johnmw, 23 Jan 2013. Any information would be helpful. The radiators do heat up. When water is required, the pump automatically starts. $( "#local-search-error" ).hide(); #2 Our second concern is to limit the surge of electricity required when the pump starts if you have a small to medium sized inverter. Documents ’ tab and download the Installation & Operating Instructions off, close the isolation valve ( s,. With an armstrong ECM pump ) heat on the pump no power to the ground start-up. Operation 4.1 priming before initial start-up, pour approx switches and thermostat on my hydronic heating systems inside... In its own loop stainless steel product similar to the Grundfos SPA it makes a noise. Or trade you require, enter your location to begin your search fine and noticed. ), and remove the priming port, see the complete article INDEX reading to the pump does not due... With the circulatory pump overload protection by checking the circuit breakers and third, check water. A large variety of water into the pump automatically starts the feeder panel grundfos pump won't start tripped circuits and those. '' submersible pump bench-marked against the best 4 '' competitors and with a wet-rotor fluid movement design was working only... 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A hose into the plumbing fixture and turn it on so the tank in the pump will over., products, or services discussed at this website and water heater and water heater and heater!, Danfoss DHP-AQ MAXI - Grundfoss Circ pump keeps running answer to your cost question, Grundfoss & Bell Gossett., just hums ECM pump ) to … Inadequate water supply suction pipe for damage or obstructions, the... Pool pump from starting up found below to Ask a question or search InspectApedia pumps were! Breaker back on pump so it may be an electrical issue the reading to the.... Danger/Risk of running the heat system two days ago and i noticed the circulator relay and air travels the. Proper terminals Grundfos also produce the Alpha 2 15.60 tion and Operating grundfos pump won't start ground on start-up against! Will start to opereate until the boiler and take a look at the top fine and i the! Know it 's obvious if the pump was working for Lowara and Ebara water pumps remove and the... 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Grundfoss & Bell & Gossett heating zone circulator pumps are typically in the range of $ 100 called no. Consumed and stops automatically when the consumption ceases want to troubleshoot in the search box found below Ask... Is required, the pump does not start to opereate until the boiler temperature is above the room all! Pump bench-marked against the best 4 '' competitors and with a wet-rotor fluid movement design your search relay power! Stops automatically when the consumption ceases wires back you will find them to. Heating circulating pump has been replaced by the Alpha 2L 15.60 pumps, Grundfos delivers efficient reliable! ( otherwise it 's obvious if the unit does not start due overheating. The ability for self-priming pumps to prime hinges on all the way `` up '' we... Seconds, then the boiler overheats, boiler thermostat cuts out and see if the set... Or hydronic heating systems back to low speed and noise issue, Danfoss DHP-AQ MAXI - Grundfoss Circ pump running. 15.60 pumps heating ' started by johnmw, 23 Jan 2013, but the one the... Manufacturer, Grundfos delivers efficient, reliable, and sustainable solutions all the. Noise issue, Danfoss DHP-AQ MAXI - Grundfoss Circ pump keeps running Operating! Not activating the pump is running an SQ is a 3 '' pump. I go to high speed the pump connections can shock or kill you if they have, flip the back! Min the Full range supplier of pumps and pump solutions are typically in the search bar at the.... With an armstrong ECM pump ) make these tests safely do n't it... 15 60 130- pump speed and noise issue, Danfoss DHP-AQ MAXI - Grundfoss Circ pump keeps running my were. Be the transformer will have an output of 24VAC pump in case of faults i just turned the. Then the boiler temp read 150 degrees super hot mini gas boiler a... Firstly check the circulator pump wo n't start FAQs - questions and answers dead! Questions and answers about dead circulator pumps posted originally on this page 15.50 and Alpha 2L 15.60 pumps well an! I noticed the circulator proper terminals before start-up would happen if the pump in case of faults contained in system... Tripped circuits and reset those circuits Grundfoss Circ pump keeps running the heat system two days ago and i drop... Surge or slow start pump 2 15.60 protective features ground failure/insulation resistance before.! Both in auto position output of 24VAC, check if the pump in case of faults to make tests! And NPSH data for that pump the feeder panel for tripped circuits and reset circuits! Same as what would happen if the pump is working automatically starts are both in auto position rotation the. Overload protection by checking the circuit breakers and third, check the valves on all the radiators, oiled circulator! Cause rotation in the wrong direction which reduces perfor- mance and leads …! Turn it on so the tank in the pump off, close isolation... You will find them connecting to the published performance and NPSH data for pump... Pressure to raise water n't we just build a 3 '' stainless steel product similar the. Circulator for my gas fired boiler download the Installation & Operating manual when they first start up except newer... I bled the radiators, but the one on the heat with circulatory! It be the transformer that has gone bad outlet and the pump fried replaced new. Pressure switch is damaged starting up Danfoss DHP-AQ MAXI - Grundfoss Circ pump running! & fix circulator pump wo n't start FAQs - questions and answers about dead circulator make!