The clock on the timer is a 24 hour clock, so spin it until you’re on the right side of am/pm. Do circulator pumps run all the time? Control Options. Anyway, I’d left it running like that for the past 3-4 weeks – no fault codes – ticking noise appeared to stop after a while. The plumber has installed the new circulator and the thermostat is in place. I installed a three pump controlled system with check valves in pumps and when one zone activates I get flow through all three but more flow on the zone with pump that is suppose to be heating what can I do to isolate the three zones so no bleed over to other zones accuring? OR Our virtual experts can diagnose your issue (for free!) CONSULTANTS & EXPERTS DIRECTORIES - at https://inspectapedia.com/Expert-Consultants-Directory.php may be of some help to you. For those with less experience, it may be best to go ahead and replace your pump. Consider this before you decide to go it alone. What type of control is used depends on the energy savings and convenience desired. This type of system works to recirculate hot water only when needed; for example, first thing in the morning or later in the evening when family members take their daily showers or baths. I have tried both multi pumps and motorised valves and I would like to make a few points. Using state-of-the-art electronics, the SmartPlus® Hot Water Recirculation will monitor and record the home’s hot water usage pattern for the first 7 days of operation. Thanks. Or wiring to the zone valve? 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. Typically, they keep going for at least 10 years.While your central heat system is properly installed and maintained, you can expect the pump to last a long time. Only those pumps needed to maintain adequate velocities need be run. Many prefer the mechanical timer rather than the programmable electronic timer because it is easier to set. Reicherb Member. If the pump is sized for times when all four zones are calling for heat - say 12 gpm - won't that cause a problem, like noisy pipes, when only one or two zones are calling for heat? 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. But the circulator is supposed to run some of the time when the boiler is not running. Reader follow-up: 4/21/2014 , the heat was turned off this past Saturday. 24-hour timer built-in. unreliable zone valves which tended to clog or jam in some models by some manufacturers. Run the circulation system one (1) hour for every 10°F of air temperature if a single-speed filter pump is installed. Often this is around 8 hours per day. Just added three hydronic radiators to the basement. Efficient hot water circulators "do not" place demand on water heaters when flushing a toilet, watering your lawn or opening a cold water tap. A timer-activated pump has a customizable timer that can be set to run only at preprogrammed times. Ran it for about 15 days just for hot water, with the pumps running all the time like the manual says. When the thermostat comes on, the circulator pump runs and the boiler cycles on to maintain it's set-point temperature. Is this actually a zone valve issue? You can play with zone balancing by closing the outlet louvers on the shorter-zone baseboards to handle the case you describe. A domestic hot water (DHW) recirculation system can do that as well as prevent lukewarm water from being dumped down the drain by bypassing it into the cold water line. Each approach has its advantages and dis-advantages. If you want to activate the pump once a day, start with six hours, but never go lower than five hours, especially in the summer. In this installation a thermostat operates the zone valve on a call for heat, causing the zone valve to open to allow hot water to flow thorugh that zone piping loop. circulator wont stop,heating zone circulator runs continuously, Heating zone circulator pump wont' stop running: this article explains how to diagnose & fix a heating circulator pump that runs even when we are not asking for heat. Perhaps there's something we are missing here. Pros . Click to Show or Hide Citations & References, 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 . Their purpose is to allow water to flow through your heating system in one direction and only flow when the circulator pumps are running. A recirculation system is a hot water line that runs throughout the house and returns back to the water heater. Tom Sawyer In the Trades. The UP 10-16 digital timer allows the pump to be programmed to run only when hot water is needed. Yes, these circulator do run hot and would probably burn your hand if you left it on the motor housing. As long as the central heating system is properly installed and maintained, the pump can be expected to last a long time. With the timer, you can just run the pump on during those times of day when you need quick hot water. Sometimes the pumps are configured to run full-time.When the thermostat is turned on, the circulation pump works and the boiler continues to work to maintain its adjustment temperature. 4. I’m a retired building engineer and would like to take it on. Hi I got six zones and 3 circulation pumps divided each 2 zones, the problem is pump link with 2 zones so when one zone open live reverse , and second zone valve is open automatically How can I wired the sistem,any relay is good or which type? For most fish ponds, however, constant aeration by running the pumps will be a requirement. How long to run a pool pump. If problem were one of low pressure in the hydronic system you ought to see that on the pressure gauge; for a residential system at typical house height, the COLD pressure in the system is 12 psi and it In my experience, older zone valves that I encountered in the 1970's and 1980's were often a budget model that did not perform well and were not long lasting. Arguing whether multiple circulator pumps (photo below) or multiple zone valves is a better approach to heating zone control is like arguing religion. Variable-Speed Pumps: The boiler and circulator pump run when the thermostat comes on. Domestic hot water pumps and recirculation systems solve this issue. DC Circulator buses run every 10 minutes during the following hours of operation for each route. Some of this is applicable to residential circulator pumps. Pump capacity needs to be checked from time to time to make sure the impeller is not damaged and has the appropriate capacity to pump the proper amount of liquid through the loop. Many spas use a 2-speed therapy pump, with low speed used for constant circulation, and high speed used for turning the jets on high. I have bought some on mine on Ebay which are new and work fine. If I manually pull the lever on the suspect Taco valve, water seems to flow but never shuts off and leaves the circulating pump running 24/7. The motor output can be set to run at a variable speed by either voltage or current. Although it's generally recommended that all the pool water undergo filtration every 24 hours, the pump does not need to run all the time. Pumps used in water re-circulation systems can run continuously, or be activated by a timer, thermostat, control panel, or motion sensor. I use Grundfos pumps and in particular the Alpha 2 model. Don't waste the water while you wait for it to get hot. the circulator pump runs all the time on the boiler in the…. In this case, if you ran the pump constantly , the house would overheat since the boiler would keep running to … Hey all, I'm sure most of you that have circulator pumps in your heating system, have those little '00' series green Taco pumps. In five decades of building, environmental, and forensic work it has been my experience that at every case in which I was able to actually visit and inspect a property there were critical observations and conditions that simply were not obvious to a normal home owner, buyer, realtor. The circulator relay Tom Sawyer, Sep 19, 2015 #11. this way the pump runs only for a few minutes a day and really minimizes the waste. On cold nights with the new setup the heat didn't keep up and the house got progressively colder, which it did not do previously. Thank for your time and advice just the same. 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. But modern zone valves have in my experienced proven reliable and easy to repair. Is your zone value open when the pump is running full time. For a hydronic system, maintenance must include the circulator pump, as it’s essentially the “engine” of it all and arguably the single most important component. goes up to under 30 psi when hot. As you turn it, the Triangle Marker (see picture above) will rotate. What does this tell you the culprit likely is? Won't this zone suffer when it calls for heat at the same time as the other zones? The circulator is switched on as needed or in some designs may be wired to run continuously. [Image at left, Grundfos alpha series variable speed circulator pump - Click to enlarge]. Then the pump would only recirculate the hot water during that time. I tried putting it back up to 3 and this stopped the boiler faulting on F25 all the time, though there was a lot of ticking noises coming from the pump. I took another look at the zone valve and noticed it was not seated properly, possibly off its proper position by ~5 degrees. As the outdoor temperature drops, the heat loss of a home is greater, and the heat pump needs to operate for longer periods of time to maintain a constant indoor temperature. Many basic questions you may have can find a better-organized and more-complete written answer at our website than we can provide with a new off-the-cuff reply. High efficiency, modern gas boilers fire at different rates depending on the load. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Kenny - as you'll see in the wiring instructions for your zone valve, the thermostat causes a low voltage motor in the zone valve to OPEN the valve so that hot water can flow into the zone. In this case, if the pump starts constantly, the house heats up while the boiler continues to work to maintain its adjustment temperature. For instance, design conditions might require 50 HP. These checks should be made on a regular boiler maintenance plan. Is you pump on the return line?? Modern, multi-speed circulator pumps may make this not a huge difference, but it's worth asking about. You'll read below that not everyone agrees with this view. Advertisement A proactive, productive and energy-saving maintenance activity is to remove the debris floating on the pool surface with a hand-held skimmer. That said, 8 hours is a good amount of time to run your pool pump in most cases. When the valve is fully open the end switch on the valve closes between the valve's other two wires that turn on the circulator. The disenchanted also point to pumping capacity or flow rates possible with multiple circulators or variable speed circulators, and the use of circulators to operate the separate heating "zone" used. Adding a "more powerful" circulator will run water faster through all of the zones, thus somewhat increasing the delivery rate of btus to each area. It also helps r… Here we discuss the alternative methods of multiple heating zone control, choosing between using individual heating zone controls typically all serviced by a single circulator pump and controlling zones with zone valves (photo at left) and using individual circulator pumps, one for each zone. This primary cost savings comes from less water going down the drain before the temperature is suitable for use. After decades of field investigation and forensic lab work, with exception of a few pro-bono or research assignments, I have retired from field work and also from forensic laboratory analysis work to concentrate full time on pure research and writing for InspectApedia.com. Although a pump has an integrated control valve, it is recommended to install a control valve in the exhaust pipes less than 25 feet from the pump and below the water sampling level.Check valves are built into many well pumps. Details about how zone valves are installed, wired, and when needed diagnosed and repaired or replaced are given in a separate article found. The advantage of having hot water on demand coupled with reduced energy costs makes the use of such devices appealing for a number of reasons. Yes, it has to work all the time - the system has been scaled for your home with the assumption that it would always be in progress to move the air that transports the radon continuously. A circulator pump or circulating pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit. This pump also comes with a 24-hour timer; you can opt to leave the timer off and run the pump all the time. I must send my regrets that our workload as well as the urgency of your situation preclude telephone, in-person, and any lengthy email consulting, whether pro-bono or paid, concerning the question(s) that you have raised. If the zone value is open and pump is on the return line it should not hurt it to run full time as long as it is moving water. 3. install a variable speed or higher speed circulator. When I just touched the zone valve (not the lever this time), the circulator pump again went off immediately. Even when multiple circulators are in use to control heating zones in a building it may be easier to use a zone control valve if you decide to split a heating zone into two separate loops or control areas. Common repairs may be: Broken or worn seals – the rubber seals inside the pump can age, crack or split, which can result in leaking from the pump. This is because the boiler heats the water up to (say) 180, then goes off until the water cools to (say) 150, then starts again. There are a few tell-tale signs that indicate your circulator pump system isn’t working correctly. This article series describes how to diagnose & fix circulator pump problems on hot water or hydronic heating systems. On 2019-11-02 by (mod) - why do I get heating water flowing through zones that are OFF ? Previously each of my four zones had it's own circulator. also called Flo Control Valves (by some brands) have both an internal check valve that prevents un-wanted hot water flow (by convection) until there is a pressure differential in the piping caused by the turn-on of the circulator pump; but if the knob at the top of the valve is in the wrong position the valve could be left stuck wide open. hope you voted AND that our votes get counted. A couple more points to answer some of the comments made and questions. i do have a well so i/m sure thats eating some electric as well. We have no relationship with advertisers, products, or services discussed at this website. However, the water bill will increase if this is the case. The thermostat turns off the pump when the water in the pipes reaches a certain temperature. One of "zone valve" legs isn't running water or getting hot. Sometimes it configures the pumps to work full-time. The rest of the time, demand is greatly reduced (or non-existent if no one is home during the day). … read more. This pump also comes with a 24-hour timer; you can opt to leave the timer off and run the pump all the time. What do “FLOW CHECKS” or “CHECK VALVES” do? Most of the time, the system would operate at much less than design conditions, and probably 15 HP would satisfy most requirements. The way to tell if a spa pump is a Circ Pump, and not a Therapy Pump, is by the Amps listed on the motor label. The 4th leg splits and has a pair of Taco zone valves. IF it does not, beyond being air-bound (that can be subtle to find all air blockages), the circulator impeller could be damaged so even if the circ motor runs it may not be pushing water, It may be a small price to pay for the instant hot water, though. 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. Optical circulators have similar behavior. Joined: Nov 29, 2010 Location: Maine. 2. install larger diameter piping if your plumber, like our very disappointing one in Pougheepsie, saved a dime on the installation by using 1/2" rather than the usual 3/4" diameter heating supply piping. It'd duplicate wiring already in place. Heating circulator pumps or "zone circulators" are used to force hot water from the heating boiler through radianting devices such as hot water baseboards or radiators. Do circulator pumps run all the time? The recirculating pump keeps hot water moving through your home’s hot water pipes at all times, on demand, or set for specific hours via a timer (different from a water heater timer). It can end up being costly if your circulator pump is running all of the time. I removed the wire from connection 4 on all 3 zone valves and the pump continued to run. Turn it clockwise. Thanks. Thanks for any ideas, In the ARTICLE INDEX take a look at the diagnostics for What can i do to solve this problemthx, having 3 heating areas(thermostats) with their own circulators I'm concerned about how the boiler will respond with the possible combinations of "heat needed" i.e., short cycling - it's a smith oil boiler with high limit only - currently it heats a large tank that the heating areas draw their hot water from, if i decide to add a zone valve to my boiler do i have to hook it up to the relay on the boiler. Jae,I think you want a heating system installer or technician to take a look at the piping of your existing hot water heating system.Typically we can split off a sub loop of an existing zone and install a separate thermostat for the loop. Note - Do not set the time by rotating the outer dial. The effects of an always-on circulator assembly installation are more even heat and in some cases perhaps improved freeze-resistance for the heating system piping. posted by Betelgeuse at 7:27 AM on June 17, 2017 . I use the Alpha 2 rather than the Alpha 2L pump becaause of the display showing the Load being taken in Watts. However, the water bill will increase if this is the case. Do circulator pumps run all the time? The HVAC company says it's not the furnace because the new one has more BTU. The circulator pump would still turn on though the … This process saves water, utility costs, and energy and sewer expenses. Pumps are sometimes used to control various zones in heating systems. My system uses 5 Alpha 2's 60-30 pumps where I have removed all the motorized valves. For environment and health related worries it's usually best to start with guidance from your own doctor. They are commonly found circulating water in a hydronic heating or cooling system. Not all spas have a circulation pump however. So once the water in the pipe is hot, the pump turns off. Anon: the flow-control valve, a check valve usually found at the boiler hot water riser pipe(s), prevents water from circulating through zone piping until the circulator for that zone begins to spin - causing a more significant pressure difference across the zone. Problem is I only have one thermostat on the main floor to control all heating. I've been using 'em up quickly, it seems, and I am beginning to wonder if I need to set aside an annual budget … The "demand" systems would be much more efficient, since they only circulate water when its actually needed. They are commonly found circulating water in a hydronic heating or cooling system. Everything was fine until late spring this year, when part of one stopped heating. I’m adding a new zone for a finished basement. In the event of power outage, the timer must be adjusted for the correct time of day after power is restored. Timers allow the pump to run only at set times, when demand for hot water is at its highest. See CHECK VALVES, HEATING SYSTEM for details about flow control valves. You can safely run your pond on a timer if you have a pond oxygen sensor and have established the rate at which your fish stock depletes the dissolved oxygen in the water. Neither the plumber or electrician seem to know how to wire it all to the boiler. Of course, if the pool is full of algae or a major weather event has occurred, the pump may need to run 24-hours a day. JasI want to help but I'm confused by the question.
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