We have no relationship with advertisers, products, or services discussed at this website. CGM-5-PI. Install a compound pressure gauge at the suction side of the pump. Ask us about it! Or see CIRCULATOR PUMP WON'T START FAQs - questions and answers about dead circulator pumps posted originally on this page. 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. Could it be the transformer that has gone bad? See CIRCULATOR PUMP RELAYS & OTHER CONTROLS for details. Priming involves filling the drop pipe with water. to $300. Check the circulator relay has power and is switched "in" or callling for the circulator to run. Remove and inspect the strainer, screen, or valves. $('#local-search-submit').click(function() { }); 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 . If the circulator pump won't start when the boiler temperature is sufficently high that it should, you would check the following: 1. I connected it directly to a power outlet and the pump is working. 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. 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. Preventive mainte- nance may be required. return; 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. - 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. 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. I have the correct volts and have no aquastat connected, DhireshSure. 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. 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. Clogged Pump Impeller. The issue I think is that the boiler is not activating the pump so it may be an electrical issue. Discussion in 'Plumbing and Central Heating' started by johnmw, 23 Jan 2013. Burner turms on zones open everythong but pump. 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. You will find the pump troubleshooting guide at the end of the Installation & Operating manual. 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. 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. Grundfos also produce the Alpha 2L 15.50 and Alpha 2L 15.60 pumps. 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. Any information would be helpful. Once it starts to deliver water, the pump will change over to normal operation (start/stop). The Pump Won’t Start. Are you a trade or supplier? Thirdly if the valves are on plugs try unplugging each valve in turn and seeing if the pump cuts … 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. CORRECT THIS BY... No power at the motor Check for voltage at the control box or panel. Second, check the overload protection by checking the circuit breakers and third, check if the pressure switch is damaged. In answer to your cost question, Grundfoss & Bell & Gossett heating zone circulator pumps are typically in the range of $100. Start the pump and compare the reading to the published performance and NPSH data for that pump. Apologies for the delay. I have a Weil-McLain furnace/boiler model no. We carry a comprehensive stock of pump spares for Lowara and Ebara water pumps. If the pump doesn’t come on, check that the circuit breaker or ground fault circuit interrupter for your pump hasn’t tripped off. Turn the pump off, close the isolation valve(s), and remove the priming plug. If there is no voltage at the control panel, check the feeder panel for tripped circuits and reset those circuits. Continue reading at CIRCULATOR OPERATION CHECKS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. First set the room thermostat all the way "up" so we know it's set above the room temperature. Operation 4.1 Priming Before initial start-up, pour approx. 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. You can create your listing free at DIYnot Local 1. 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. Make sure you use a qualifies and experienced repairer for the job as there is mains electricity involved. 1) Full bore isolation valves turned to open position. incorrectly connected phases cause rotation in the wrong direction which reduces perfor- mance and leads to … If the submersible well pump won’t start, there could be one of three things wrong. Option 1: Use Grundfos Product Center. If I go to high speed the pump runs fine and I can drop back to low speed and it usually will run fine. $("#local-search-services").val($("#local-search-services-req").val()); This is exactly the same as what would happen if the thermostat is calling for heat. (Otherwise it's locked out on most systems). Reprime pump. Run a supply of cold water through the pump, if the unit does not start due to overheating. ensuring the correct phase sequence delivers maximum performance. $( "#local-search-error" ).show(); The circulator pump did not start to opereate until the boiler temp read 150 degrees. It makes a clicking noise every few seconds, then the boiler overheats, boiler thermostat cuts out and air travels around the system. Where is Grundfos quality control?? All electric pumps surge when they first start up except a newer type of pump called a no surge or slow start pump. Hello I have a Bell Gosset Circulator for my gas fired boiler. 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. Never had any issues with the Monsoon until recently, worked seamlessly for 15 years providing hot and cold water … $( "#local-search-error" ).hide(); Otherwise, the pump simply won’t be able to generate the necessary amount of pressure to raise water. Check the level of the water within the pump. 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 ? As a renowned pump manufacturer, Grundfos delivers efficient, reliable, and sustainable solutions all over the globe. 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. There is no overload protection 3. 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). Grundfos circulation pump wont switch off. Having a pump that won’t prime, loses its prime, or is slow to prime? The full range supplier of pumps and pump solutions. BRAND NEW! #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. This article series describes how to diagnose & fix circulator pump problems on hot water or hydronic heating systems. I bleed all the valves on all the radiators. Since this is the main pump, it faults when the heat cycle kicks in when idle since pump only hums and doesn't run. How much would it cost to replace the circulatory pump? The ability for self-priming pumps to prime hinges on all the right conditions. Clean and replace. If you follow the circulator wires back you will find them connecting to the circulator relay. The thermostat wires act as a simple "on-off" switch, connecting to the circultor relay in the aquastat or in the separate circulator relay. The two upper levels get heat on the radiators, but the one on the entrance level is not getting heat. Step 1. Uncommon: improper pump installation or mounting position. Then, insert a hose into the plumbing fixture and turn it on so the tank in the pump starts filling up. 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. A couple of my rooms were not heating so I decided to check out and see if the pump was working. 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. Some circulator pumps make enough noise and vibration that it's obvious if the pump is running. Is there any danger/risk of running the heat with the circulatory pump not working? We have therefore ch… }); (You must log in or sign up to reply here.). The Grundfos Alpha central heating circulating pump has been replaced by the Alpha 2 15.50 and Alpha 2 15.60. if ((!$("#local-search-services-req").val()) || (!$("#local-search-location-req").val())) { The UPS26-150F is a three speed circulator with a wet-rotor fluid movement design. To prime a water pump, start by turning off electrical power to the pump and opening any relief valves on the system. If you need to find a tradesperson to get your job done, please try our local search below, First set the room thermostat all the way "up" so we know it's set above the room temperature. 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. 6. Read more. Diag the pump fried replaced with new still doesnt cycle. the pump won’t start, averting potential damage. 5. 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. CIRCULATOR PUMP WON'T START at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. This water, in turn, allows the pump’s suction to be communicated to the water inside of your well. $("#local-search-form").submit(); 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. 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