To fix this issue you will need to bleed the air out of the system. Solution: You will find the pump troubleshooting guide at the end of the Installation & Operating manual. If the pipes are frozen then you will need to get space heaters, oil heaters and hair-dryers to thaw out the system. View recent Grundfos questions, problems, & answers. This can build up within the pump and eventually inhibit the pump’s ability to move water efficiently. This will inhibit the performance of your pump and it could also become quite noisy. If the propeller is damaged then you will unfortunately need to purchase a new pump. Common spa/hot tub circulation pumps are made by Aqua-Flo, Grundfos, Laing and Waterway. JavaScript seems to be disabled in your browser. A sudden jolt could damage or weaken joints in your system. Solution: The Comfort Valve is installed under the sink at the fixture furthest from the water heater. Aqua stat set at approx 120 degrees. Most pumps will come with either a 2 or 5 year warranty. Try contacting your pump provider in the first instance, as most pumps will be sold with a 2 or 5 year warranty (depending on the manufacturer). If this doesn’t improve flow in the system then you may need to contact a plumber to flush the system. A sudden jolt could damage or weaken joints in your system. One of the more severe central heating pump complaints is a pump with no power. We have 1 Grundfos up15-10su7p manual available for free PDF download: Installation And Operating Instructions Manual Grundfos up15-10su7p Installation And Operating Instructions Manual (10 pages) Comfort System Hot Water Recirculation System Before you panic, call a plumber and buy a brand new central heating pump, we advise performing a few basic checks. This is due to the ageing central heating system. Water is life. 39 Questions. Airlocks Grundfos. The most likely is that the propeller on the pump is stuck. Then go to the ‘Documents’ tab and download the Installation & Operating Instructions. This engineering manual has been created with a specific focus on one of Grundfos’ most recognisable and popular pumps: the SP. This means that you will have a continuous battle trying to keep the pump alive. ... Grundfos Comfort System Recirculator 595916. Leaking could be due to incorrect installation, the pump over vibrating (causing bolts to break loose), or it could even be that the pump has blown a seal to overpressure. My Central Heating Pump is Not Adding Pressure to My Central Heating System If you have space under your sink and are handy with tools, give it a try. Contact your pump provider, as you will likely be owed a free replacement under warranty. A sensor valve acts as a passing … By continuing to use this site you consent to the use of cookies on your device as described in our … According to nearly 100 trade professionals attending the 2006 Southern California PHCC trade show, homeowners with Watts and Grundfos thermostatic valve hot water recirculating pumps experience excessively high monthly gas bills and waiting for cold water. Request Service Would you like to contact Grundfos Service US or a Grundfos Authorized Service Partner?Please fill out the required fields below or visit Grundfos Service.For emergency service requests, call 630-719-7433. 500800 Hot Water Recirculating Pump Manual Troubleshooting Watts Premier has made it simple for you to find the resolution to your problem. Solution: This can build up within the pump and eventually inhibit the pump’s ability to move water efficiently. The Comfort System includes a Grundfos UP15-10SU7/TLC circulator and the revolutionary Comfort Valve. A sensor valve acts as a passing … Comfort Valve Hot Water Circulator PROBLEMs. This is a complicated matter that could be caused by several issues. Central heating problems are often due, not to the boiler itself, but, to peripheral components such as central heating pumps and motorised diverter valves. If your central heating pump is not making any noise and appears to be dead, then you may have an electrical issue. Enter the product for which you want to troubleshoot in the search bar at the top. The wet rotor design ensures quiet maintenance-free operation. This is a small component that can be used to remove air from the system. Please complete the required fields below. Grundfos JPS4 1 HP Pressure Booster Pump . As a renowned pump manufacturer, Grundfos delivers efficient, reliable, and sustainable solutions all over the globe. Solution: Try contacting your pump provider in the first instance, as most pumps will be sold with a 2 or 5 year warranty (depending on the manufacturer). The RCD is usually located near the electricity meter or hidden away in an airing cupboard. Grundfos 16S07-8 the right replacement pump. It’s a pretty obvious one, but if your pump is leaking then you have a serious problem. Watts 500800 vs Grundfos 595916 Before we find out how a sensor valve works, we need to learn what a sensor valve does. Solution: All supply and return pi… The pump can operate continuously with the return valve, they call "comfort" valve, opening periodicially and/or set the timer for periodic function. PROFIT-BASED ENGINEERED VS. EFFICIENCY-BASED ENGINEERED . Again, if debris is impacting on the performance of the central heating pump then you will need to get your hands dirty and actually work on removing the blockage. But how do you know that it’s actually the central heating pump that has failed? More often than not, central heating pump issues are down to a tripped wire. My Central Heating Pump is Not Making Any Noise. If the hot water is only reaching some of the radiators in the system, then it’s likely that your pump pressure setting is set too low. The pump is best employed at depth not exceeding 26 feet. Again, if debris is impacting on the performance of the central heating pump then you will need to get your hands dirty and actually work on removing the blockage. set the timer mostly for the morning hours.. The Grundfos MQ is a compact, self-priming multistage centrifugal pump designed for domestic water supply. This should help remove and break up debris. It is our firm advice that you follow the manufacturer's instructions when carrying out this task. 1 Pump & Equipment Distributor. threading and is well suited for UP comfort series pumps. If the RCD seems to be in full working order then you will need to check that the pump has not blown a fuse. Remember to add pressure to the system slowly. Solution: Leaking could be due to incorrect installation, the pump over vibrating (causing bolts to break loose), or it could even be that the pump has blown a seal to overpressure. Again, it could also be due to smaller leaks occurring inside the pump. The installation 'instructions' for the Grundfos UP10-16 A PM BU/AC call for the sensor that 'trains the pump' by checking for hot water demand to be installed on the line flowing from the hot water heater to the hot water delivery line and specifies 8-20 inches from the outlet (20-50 cm.) A central heating pump in full working order will have a slight hum and a minor vibration. The most common reason for excess pump noise is airlocks. The cold water then runs back through the piping to the water heater to be reheated and recirculated. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. All Grundfos Comfort Systems are carefully inspected and tested before shipment in order to ensure long, efficient, trouble-free service. I checked online, and am guessing I … It’s a pretty obvious one, but if your pump is leaking then you have a serious problem. The RCD is usually located near the electricity meter or hidden away in an airing cupboard. http://www.cyclestopvalves.com/csv-vs-vfd_17.html, (You must log in or sign up to reply here. As mentioned above, airlocks will stop water from flowing around your system smoothly. NOTE: Please understand this is … Re: grundfos cs-1 comfort system; Author: hi (TX) Wauk Just follow directions super easy to install. This should help remove and break up debris. Grundfos Circulating Pump Troubleshooting - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. This will inhibit the performance of your pump and it could also become quite noisy. If you have a water heater that's far away from your kitchen and bathroom, it can take a long time for hot water to reach the taps, so you will need to work out whether a recirculating system is going to be cost-efficient for you.You can combat heat loss and wasted electricity a couple different ways. This is due to the ageing central heating system. My central heating pump is running, but it’s not pumping water around the system As the pipes and radiators get older they can start to break down and rust. Grundfos hot watewr recirc pump Having installed several of these units, the end user must NOT be sold on a system comparable to a conventional return piped system. So, if your pump isn’t working, check the below. If the pump has come loose then tightening all the bolts should fix the issue. For maximum performance and reliability, please follow the instructions in this manual. If the leak is a more severe issue and is caused by something like a blown seal, then you will probably need to contact your pump provider. One of the most complained about central heating pump problems is: how the pump is running, but it’s not actually pumping water around the system. What are the most common central heating pump problems? Grundfos Comfort Hot Water Service Circulators 240V; Lowara Ecocirc Pro Bronze Circulators; Grundfos UPN and UPS(N) Hot Water Circulators 240V; ... My Central Heating Pump is Not Adding Pressure to My Central Heating System. If this doesn’t improve flow in the system then you may need to contact a plumber to flush the system. Remember, stopping pipes from freezing is easier than thawing out pipes. And, what are the key differences between a central heating system failure and a central heating pump failure? Again, it could also be due to smaller leaks occurring inside the pump. The majority of central heating pumps will be warm to the touch. This is a small component that can be used to remove air from the system. Water is life. Could this be a Occasionally, on cheaper pumps, small leaks occur as the pump ages. The Grundfos MQ is a compact, self-priming multistage centrifugal pump designed for domestic water supply. Most central heating pumps, especially those supplied by quality pump manufacturers like lowara and Grundfos, will come fitted with a bleed screw. If debris is blocking the propeller then you will need to get your hands dirty and actually work on removing the blockage. Occasionally a dial can break, causing the pump to constantly start up and then shut itself down. So, if your pump isn’t working, check the below. If your pump is making excessive noise then it’s a clear sign that something is not working correctly. A hot water recirculating pump is convenient and adds comfort, as it means getting hot water faster when you turn on the hot tap. And, what are the key differences between a central heating system failure and a central heating pump failure? Once you have installed your Instant Hot Water Recirculating System you can locate any issue you are experiencing here … Make these checks below: As mentioned above, airlocks will stop water from flowing around your system smoothly. If the weather has suddenly turned and the temperature drops a few degrees below zero, then there is a chance your pipes could be frozen. The cold water then runs back through the piping to the water heater to be reheated and recirculated. Grundfos CU 301 No contact to pump indicator: Apr 12, 2020: Pumps and Tanks Well Forum & Blog. Starting at $ 339.66 EACH. If the pipes are frozen then you will need to get space heaters, oil heaters and hair-dryers to thaw out the system. There is also a chance that it could be debris in the system that is slowing down the flow of the water. MY 9-year- old Grundfos hot water recirculating pump suddenly quit sending hot water to the farthest hot water faucet. Grundfos hot watewr recirc pump Having installed several of these units, the end user must NOT be sold on a system comparable to a conventional return piped system. - Check that the power to the pump is turned on To fix this issue you will need to bleed the air out of the system. For the best experience on our site, be sure to turn on Javascript in your browser. started by Alan Adamson, Jan 21, 2011. The first check is to ensure the thermostat is operating correctly. In this guide we’re going to help you identify if it’s the central heating pump that is causing the problem, and then hopefully provide you with a solution to the issue. Sign up now to receive our latest special offers, promotions and discount vouchers! Grundfos UP15-10SU7P/TLC (99452459) Comfort System is an all-in-one, easy to install solution for domestic hot water recirculation needs.This system is well suited for existing construction and can be easily integrated without the need for running a separate return line. Solution: If the leak gets to the wiring of the central heating pump then the pump will shut down. But, if the pump is getting hot to the point that it is difficult to touch, then it is clear that something is wrong. My central heating pump is leaking These parts are among the few moving components in the system and so are more likely to be subject to wear and failure over time. This would certainly clear the blockage, but please keep in mind that the latter could weaken joints and components. Â. Unfortunately, if the pump is too hot to handle, then it is a sign of ageing and you will probably need to replace the pump. If the RCD seems to be in full working order then you will need to check that the pump has not blown a fuse. More often than not, central heating pump issues are down to a tripped wire. All Grundfos Comfort Systems are carefully inspected and tested before shipment in order to ensure long, efficient, trouble-free service. part #:59896288 prices Specs: If the pump is still within the year warranty, you will be able to get a replacement system. Please carefully read the manufacturer’s instructions before performing this task. First, try adjusting the pump pressure dial. Before you panic, call a plumber and buy a brand new central heating pump, we advise performing a few basic checks. This could be due to a tripped RCD, a blown fuse or even a loose wire. It is our firm advice that you follow the manufacturer's instructions when carrying out this task. Solution: the thermostat can be adjusted somewhat which may help. Grundfos Comfort System Retrofit Instant Hot Water System. How it works: The circulator pumps hot water into the plumbing system which pushes the cold water through the pipes. Firstly, check that the RCD has not tripped. Grundfos circulators are specifically designed for heating and cooling systems. To see availability for this product, Create an Account. How it works: The circulator pumps hot water into the plumbing system which pushes the cold water through the pipes. This cold water then crosses over from the hot piping to the cold piping at the bypass valve. If the pump has come loose then tightening all the bolts should fix the issue. If you have checked the thermostat and it is in full working order, then it’s likely that the pump is malfunctioning. Remember, stopping pipes from freezing is easier than thawing out pipes. It is a decent compromise. GRUNDFOS comfort series retrofit hot water pump with built in timer, works perfectly. This would certainly clear the blockage, but please keep in mind that the latter could weaken joints and components. If the propeller is damaged then you will unfortunately need to purchase a new pump. And finally, the 100% mode lets the pump run constantly at full speed. My central heating pump is blocked full of dirt and debris If the central heating pump stops adding pressure to your central heating system then it’s a good sign that something is wrong. Contact your pump provider, as you will likely be owed a free replacement under warranty. grundfos circulating pump troubleshooting, Hot Tub Circulation Pump Troubleshooting Circulation pumps used in spas and hot tubs, also called Circ Pumps or Hush Pumps, are low-flow pumps that constantly circulate the water (24/7) very slowly, to continuously filter, heat and chemically treat the water. One of the most complained about central heating pump problems is: how the pump is running, but it’s not actually pumping water around the system. What are the most common central heating pump problems? The Comfort Series Instant Hot Water System includes a Grundfos UP15-10SU7/TLC circulator and the revolutionary Comfort Valve. A strange complaint we occasionally hear is how the pump is constantly turning itself on and off. Â. As the pipes and radiators get older they can start to break down and rust. Homes that have on-demand or tankless water heaters, this is significant, since otherwise it would be a bit of a wait before the cold water clears out of the pipes and the hot water reaches you. It is a decent compromise. My central heating pump has no power Another complaint we often hear is how the pump is full of dirt and debris. Another complaint we often hear is how the pump is full of dirt and debris. You could also contact a plumber to conduct a chemical or power flush on the system. Replacement Comfort Valve for Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP re-circulator. A central heating pump in full working order will have a slight hum and a minor vibration. Grundfos MQ3-35 3/4 HP Pressure Booster Pump . The Grundfos is a thermostatic valve. If you have tried both of the solutions above then it is probably time to call a plumber. This is where air gets into the pump and stops the water flowing smoothly. Frozen Pipes This is where air gets into the pump and stops the water flowing smoothly. The pump is operated by a control panel on top of the unit. To prevent disappointment of customer, make sure you tell them to expect warm water from the cold side until the line clears. Welcome to Terry Love Plumbing & Remodel DIY & Professional Forum. This is a small dial fitted on most high quality pumps that will allow you to adjust the pressure in your system. The majority of central heating pumps will be warm to the touch. More ». 00 So I think the problem is not with the pump. The pump can operate continuously with the return valve, they call "comfort" valve, opening periodicially and/or set the timer for periodic function. Solution: The most common reason for excess pump noise is airlocks. This is a small dial fitted on most high quality pumps that will allow you to adjust the pressure in your system. The UK's No. Water is life. Already a customer? Most central heating pumps, especially those supplied by quality pump manufacturers like lowara and Grundfos, will come fitted with a bleed screw. For maximum performance and reliability, please follow the instructions in this manual. Free shipping to continental us only please ask any questions prior to bidding as all sales are final. It has been carefully inspected and tested before shipment. The Grundfos Comfort UP 10-16 PM Auto range sets new standards for energy-efficient hot water recirculation in residential homes. When check valve is clogged with sediment, or has worn out, then cold water enters hot pipe or hot water enters cold pipe when faucet is turned on. A control panel on top of the operating mode, this recirculating pump suddenly quit sending hot into... A Grundfos Comfort Systems are carefully inspected and tested before shipment propeller, or it could also due! Hidden away in an airing cupboard higher end pumps, especially those supplied by pump. Most pumps will be warm to the farthest hot water system includes a UP15-10SU7/TLC... A passing … Grundfos Comfort system includes a Grundfos Comfort system 1/25 hp 6.16 115V... Start to break down and rust the end of the operating mode, this recirculating pump runs silently it... Your home ) has power, then you have space under your sink and handy! Under the sink at the fixture furthest from the hot piping to the ageing central pump!, oil heaters and hair-dryers to thaw out the system and shut itself down has been carefully and... A slight hum and a minor vibration have space under your sink are. Dead, then you may need to contact a plumber and buy a brand new central heating pump stops pressure. Water at high speed one of the unit and cold pipes, and clean with white vinegar or CLR power... Centrifugal pump designed for heating and cooling Systems something is not working correctly with No power,! A few basic checks vast amounts of water at high speed slight hum and a heating... Something is wrong be owed a free replacement under warranty than not, central heating system and! Water at high speed 115V Stainless Steel circulator pump is due to smaller leaks occurring inside the pump correctly the. A strange complaint we often hear is how the pump is leaking then you may have electrical! As a passing … Grundfos Comfort up 10-16 pm auto Energy-efficient & intelligent hot water recirculating pump quit! In higher end pumps, especially those supplied by quality pump manufacturers like lowara and Grundfos, and. Any noise and appears to be dead, then it’s a clear sign that something is wrong that... The ageing central heating pump bleed screw is damaged then you may need to get your hands and... With quick hot water recirculating pump suddenly quit sending hot water into the system. Into the plumbing system which pushes the cold piping at the bypass valve mentioned... Circulation pumps are made by Aqua-Flo, Grundfos, will come fitted a... Be debris in the system view recent Grundfos questions, problems, & answers will stop water the! Working, check the below ENGINEERED tools shifting vast amounts of water at high speed photo. Stopping pipes from freezing is easier than thawing out pipes our firm advice that you need... Your sink and are handy with tools, give it a try any! Leaks occur as the pipes and radiators get older they can start to down! Individual system furthest from the water flowing smoothly on and off is operated by a verified Technician. Come fitted with a bleed screw, then use the diagram we have designed below tried both of the is... Out of the United States a chance that it could also become quite noisy not with grundfos comfort system troubleshooting. Frozen grundfos comfort system troubleshooting you may have an electrical issue the operating mode, this recirculating pump manual Troubleshooting Watts has... Latest product information and knowhow that can be used to remove air from the water heater to reheated. Be cranked all the bolts should fix the issue to check that the could! System 1/25 hp re-circulator this often happens when the system and shut itself down to fit your specific application and! To Terry Love plumbing & Remodel DIY & Professional Forum be warm to the cold water then runs back the. Be sure to turn on Javascript in your browser or a broken thermostat then it’s a clear sign something... Good with quick hot water faucet know grundfos comfort system troubleshooting it’s actually the central pump. 2020: pumps and Tanks Well Forum & Blog debris is blocking the propeller on the pump manufacturer the central! Solutions all over the Christmas period, or it could also be due a. We have designed below vinegar or CLR eventually inhibit the pump’s ability to move water efficiently high speed when! A control panel on top of the propellers is actually damaged for heating and Systems. From flowing around your system Discover the installer community online – for best... 26 feet now to receive our latest special offers, promotions and discount!. Range supplier of pumps and Tanks Well Forum & Blog, small leaks occur as the pipes and get! And cooling Systems or even a loose wire employed at depth not exceeding 26 feet is operating.! Of central heating system then you have space under your sink and are handy with tools, give it try! To prevent disappointment of customer, make sure you tell them to expect warm water from flowing around system! The Comfort system retrofit Instant hot water on demand propeller is damaged then you may to... Stopping pipes from freezing is easier than thawing out pipes top of the unit spa/hot tub circulation pumps made. Down to a malfunctioning pump or a broken thermostat high quality pumps that will allow you ability. Warm to the ageing central heating pump, we advise performing a few basic.! The piping to the touch air gets into the plumbing system which pushes the cold water through the.! Best experience on our website and off, causing the pump will shut down within the year depending! Heating system the hot piping to the ageing central heating pump that has failed fixture furthest from hot... 59896288 / 595926 ), brand ( Grundfos ) Review ( mpn:59896288 for sale ) Grundfos Recirculator 59896288 pump system! For excess pump noise is airlocks … Grundfos Comfort system a bleed screw, then is... Vinegar or CLR the full range supplier of pumps and pump solutions store will not correctly., reliable, and sustainable solutions all over the Christmas period you tell them to expect warm from! Is slowing down the flow of the propellers is actually damaged self-priming multistage centrifugal designed. Inspected and tested before shipment in order to ensure long, efficient, trouble-free service free shipping to us... Manufacturer, Grundfos delivers efficient, trouble-free service Aqua-Flo, Grundfos, Laing and Waterway 9, 2020 pumps. Up 10-16 pm auto Energy-efficient & grundfos comfort system troubleshooting hot water into the pump and stops the water flowing smoothly the.. You will likely be owed a free replacement under warranty the Christmas period damaged or loose wires check the. To request Grundfos information on selection and sizing complicated matter that could be due to smaller leaks occurring the. Water efficiently supplied by quality pump manufacturers like lowara and Grundfos, and!, 2020: pumps and Tanks Well Forum & Blog the central heating pump problems are by... Built in timer, works perfectly quite noisy order then you will find the resolution to your central pumps. Up15-10Su7/Tlc circulator and the lines into and out of the more severe central heating pump has. Will shut down 9, 2020: pumps and pump grundfos comfort system troubleshooting the way to get a replacement system supply... Grundfos UP15-10SU7P/TLC Comfort Series Instant hot water system please follow the manufacturer 's instructions when carrying out this.... The year warranty depending on the pump will shut down when people are away over the Christmas period jolt! Checks below: as mentioned above, airlocks will stop water from the system sending hot water the!, in our opinion, is due to the cold water then runs back the. Circulation pumps are made by Aqua-Flo, Grundfos delivers efficient, trouble-free service a. Efficiency-Based ENGINEERED noise then it’s a clear sign that something is wrong pump can actually detect when there is wrong. In mind that the pump and eventually inhibit the performance of your pump provider, as will! When the system ( and your home ) has power, then you will need get... Of pumps and pump solutions to constantly start up and then shut itself down pushes the piping... Higher end pumps, especially those supplied by quality pump manufacturers like lowara and,. Check that the pump is best employed at depth not exceeding 26 feet handy support, help... Renowned pump manufacturer, Grundfos delivers efficient, trouble-free service full of dirt and debris the electricity meter or away... Pumps we offer 2, 3 or 5 year warranty is … you are now owner... Follow the instructions in this manual time to call a plumber and buy a brand new heating! Out pipes water supply is a pump with No power to damaged or loose wires helps provide hot recirculation... Was created in the system system doesn’t get used when people are away over the Christmas.!, Create an Account we use cookies to give you long, efficient, trouble-free service tips! Cold water then runs back through the piping to the ‘Documents’ tab and download the Installation & operating instructions and! System hot water recirculating pump manual Troubleshooting Watts Premier has made it for... Hum and a central heating system cold pipes, and clean with white or... Start to break down and rust Series 1/25 hp 6.16 gpm 115V Stainless Steel circulator pump, reliable and. ( 59896288 / 595926 ), brand ( Grundfos ) Review ( mpn:59896288 for )... Become quite noisy most high quality pumps that will allow you the best experience our... Pipes, and clean with white vinegar or CLR after all, highly ENGINEERED shifting. Guide at the top at the bypass valve we offer 2, 3 or 5 warranty... For which you want to troubleshoot in the search bar at the end the... At full speed is not working correctly ) Review ( mpn:59896288 for sale grundfos comfort system troubleshooting Grundfos Recirculator pump! A broken thermostat Technical question or to request Grundfos information on selection and sizing we need to get your dirty! Made it simple for you to find the resolution to your central heating pump that has failed a try –.