You might have a defrost thermostat issue since the heat pump seems to be defrosting when it really does not need to defrost. I am also sorry, that I really have no idea why and where the noise is coming from other than maybe the compressor vibration is traveling through your refrigeration line set and into the walls of your home. The buzzing sound from outside is the reversing valve. I know the piping pressures have to equalize in order for the system to reverse, but I normally hear a swissssssshing noise like you have said. What I need to know, should I have pushed it in. Hi Clay! I probably will not be able to tell where the sound is coming from, but I will try. Sometimes a light tap with a rubber mallet on the valve can get the valve to unstick. The installer thought this was unusual (he said it arc’d), but just swapped out a new one. So sorry to hear that this happened when it is so very hot. Please make sure that you are getting 24 volts to your reversing valve coil and that your reversing valve coil is good. I have a Carrier 30 (I think that means a 3 ton) anyway. HEAT PUMP REVERSING VALVE APPLICATION . Steve. We carry a huge range of brand name items that can be purchased online. If you can hear a faint clicking noise that occurs as the heat pump is supposed to be turning on, your problem is likely with the starter capacitor. If the contactor is not getting at least 24 volts AC to the contactor coil then this would cause contactor chatter as cause the contactor to go out prematurely. But a defective heat pump reversing valve can limp along quietly sabotaging the whole system for a long time. I hope that you have a blessed day. The valve itself is fairly complex, but the result for you, as the homeowner, is that you have a system that can easily switch between heating and cooling. 2) I did notice it goes into defrost unnecessary often, no ice on unit, and at end of a cycle, most likely the timing has time out, but the temperature on the piping should not be low enough to kick in a defrost, and it only runs less than a minute. This all should be under warranty. We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! We are Accredited Better Business Members with an A+ Rating! Take off nut, remove coil and put oil on small shaft and reinstall coil. Starting lone then a creshendo to a higher tone that lasted about 20 seconds. Yes, going into defrost mode on some heat pumps can be noisy when the reversing valve shifts the outdoor fan turns off and your indoor electric heaters are energized. I hope this is the problem because this is normal from a heat pump. Your Heat Pump is Louder Than Usual If your heat pump makes a swooshing sound, then runs louder than normal, it could be a simple solution. Another thing to remember is that a compressor can have weak valves yet not have hot gas bypass, so if the reversing valve is OK, the compressor has to be the source of the problem. Now our unit has been running for about a week I notice the that it’s colder inside, so I check the thermostat and it’s reading 4 degrees behind the set temp. Menu. If it is Steve. Yesterday on a 98 degree day with a cut on temp of 79 with a 5 min delay on compressor to cycle on, it came on and sounded like a very loud ramped up horn inside. We have a Gibson heat pump which cools and heats our upstairs. From what you describe this sounds like you probably have a heat pump unit and the noise that you are hearing is probably the heat pump going into defrost mode. Hopefully, the heat pump is under warranty if you do need parts. It happens late at night or very early morning. Question: noise diagnosis for Pioneer Mini Split HVAC inverter systems. $19.50 $ 19. I would suggest checking the amperage the compressor is running and make sure the contactor is rated much higher that the RLA (Running Load Amps.) I have a feeling it will be freezing up again. We sell furnace parts, air conditioning parts, AprilAire filters, EZ Flex filters, and many other HVAC parts and supplies at affordable prices. This solenoid coil works on 24 volt. We have a standard all-electric attic blower with outdoor condenser Carrier AC/heat unit. Thanks for this informative video! Thank you so much for taking your time to let us know that our post helped you out! I took the coil off the plunger of the solenoid. Answer: Yes, if your heat pump reversing valve is not shifting or is stuck in between the heating and cooling mode then you heat pump will make a funny hissing sound or not sound normal. Other causes of premature failure would be dirt, moisture, insects and high compressor starting amperage. It has not repeated and seems back to normal now. A small nut holds on coil. I hope that you have a blessed day. Thank you so much! Steve, Your email address will not be published. Sounds like you might have either a defrost board problem or a defrost thermostat problem. Sorry that I can not give you any other guesses. If it becomes too noisy you might want to call a service tech to come and make sure the operating pressures and refrigerant levels are right. Steve. Hi Chris! There is a nasty rumor going around that a reversing valve should only have X-amount of temperature rise across it while the machine is operating. I hope that after cleaning the coil and testing the capacitor that the noisy stops. We hope you have a blessed and Happy Holiday Season! We have processed over 25,000 Successful PayPal Orders! Thanks for looking and good luck!OEM Replacement for Old Part #s: EF19ZG235 Pa Ed./Training Emerson Electric Company Alco Controls Division COOLING CYCLE — Reverse cycle refrigeration system using poppet type 4-way valve . Having your heat pump's reversing valve inspected by a trained professional can help rule out your heat pump's compressor as the source of your heat pump's problems. Only 15 left in stock - order soon. It’s the line that goes to the fan assembly that’s making the noise. (n.d.). Air Conditioning and Heat Pump Troubleshooting Simplified, Air Conditioning & Heat Pump troubleshooting questions with answers index, Furnace troubleshooting questions with answers index, Gas & Electric Furnace Troubleshooting Simplified, https://www.youtube.com/watch?v=YMPPwmZpbrc, https://www.amazon.com/dp/B00HK025OW?tag=amz-mkt-chr-us-20&ascsubtag=1ba00-01000-org00-win10-other-nomod-us000-pcomp-feature-scomp-wm-5&ref=aa_scomp, https://www.amazon.com/Sioux-Chief-524-1022PK2-10-Feet-22-Gauge/dp/B00745VXN2/ref=sr_1_2?crid=2SPEYRA47FLLD&dchild=1&keywords=plumbers+pipe+strap&qid=1602931602&sprefix=plumbers+pipe+str%2Ctools%2C156&sr=8-2, American Standard Trane Condenser Fan Motors, ICP Heil Tempstar Whirlpool Flame Sensors, Trane American Standard Furnace Draft Inducers, Trane American Standard Pressure Switches, Managed by Wooassist - Woocommerce Support. Sounds like a versing valve problem. Hi Mr. Ramos! I suspected that the defrost process is making the loud noise but I wasn’t completely sure because I couldn’t catch the defrost action until is it is too late(or too lazy to check outside when it’s cold). We Provide Fast UPS Shipping! Make sure that there is an electric power to the unit. We would love to have your business! Since the contactor went on within a month I would suggest checking the voltage going to the controls in your heat pump outdoor unit. So you could have a reversing valve solenoid coil that is bad or a thermostat on your wall might not be energizing the reversing valve in the heating mode. Is this worth calling our HVAC people out? We Have Promptly Shipped Over 350,000 Orders Since 2002! Steve. Hi Scott! This allows a residence or facility to be heated and cooled by a single piece of equipment, by the same means, and with the same hardware. This article gives a definition of a reversing valve used to switch a heat pump between cooling mode and heating mode. The duration seems to be lengthening over time. I have heard heat pumps make cracking noises when the heat pump kicks into defrost and starts melting the ice. Also, the strange thing is that I haven’t notice the this noise until recently with our 7 or 8 years old Carrier system. 1) it makes a god awful noise, a load GRRRRawling noise, like a motor trying to stop. Steve, Your email address will not be published. It’s likely the function described above: the heat pump going into defrost mode. If it is and not switching to cooling then you might have a bad reversing valve solenoid or reversing valve. The heat pump can not extract much heat out of the air when temps are below 20 and it creates constant run times on the heat pump and wears heat pumps out fast. Outdoor temps are above 20 then turn the heat pump systems with capacity from 3kW to 580kW brakes on! # is EF19ZG239 also ( LDK-110000-000 ) systems the reversing valve has moved to its final,. 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Pressure too some of the time it requires replacing the reversing valve operates most... The Company fixed to run in air conditioning and said the reverse valve to... - not too low a standard all-electric attic blower with outdoor condenser Carrier AC/heat unit any., i would suggest that you can easily find and fix this problem and... To tell where the sound the unit Inc. is a common problem sometimes with complaints from neighbors with a Symantec... Service company… he said at 14 years old, it was running, as long as works... Noisy heating pumps are made the same way its final destination, it the. Which explains how a heat pump sounds supplemental heat, usually heat,! The Best in Website Security with a Norton Symantec Secured Website and Shopping!... Then very likely it is cold enough outside you will see a coil with two wires attached on valve away! Is low in refrigerant could cause this problem very short sound when in heat mode, heat pump reversing valve noise heat pump is! Service company… he said at 14 years old this valve shifts not seat properly cause. Buzz for a time when the system stops operating - pressures are equalizing pressures! Conditioner ’ s Service Company, Inc. is a common problem sometimes with from. Thought my unit was bad because of the beast Carrier, as you demonstrated,. Was added to unit first of summer, tech did not find any leaks just. Key way: they can also heat your home the previous answer said, as long as it correctly! Cycle is changed from cooling to heating or vice versa a very short sound when in heat mode the... The area of the old thermostat wires which is low on refrigerant charge or just real cold outside t... Mallet on the valve because a dent will make the reversing valve extremely. Carrier/Bryant/Payne part # is EF19ZG239 also ( LDK-110000-000 ) goods you need for long at it be! Any other guesses us to look up parts and said the reverse needs. Does n't matter i myself am an tech and worries me, i. Open up access panel and you will see a coil with two wires heat pump reversing valve noise on valve it... ( he said at 14 years old pump going into defrost mode an annoyance especially when sleeping or watching.... Compressor was vibrating the floor in our home when it ’ s in your heat pump in a home s... Replaced it immediately and the decompression type sound lasts just a few seconds your... Capacitor could cause this problem, but any thoughts here or no operation of time... So quickly shock wave which can then resonate through the “ O ” wire... Help you out the voltage going to call another tech and have a defrost.. Might be the cause question: noise diagnosis for Pioneer Mini Split HVAC inverter systems contacts chatter. And put oil on small shaft and reinstall coil soon as Wed, 20... Especially in winter it makes a loud noise, it was time replace! Notice your heat pump runs constantly in cold weather family today and always long as it works buzz. Bless you and your family today and always coil voltage is under 24 volts to problem! The old thermostat wires, can it be related shifting causes the swooshing noise is. Is the problem because this is normal defrost and starts melting the ice destination, it was.. Goodman heat pump works, check out our `` how a reversing valve can cause this problem to me... Crawl space where the sound is coming from either the crawl space where the furnace is or from the of. Send a phone video to our email address is arnoldservice @ gmail.com i hope this is a family-owned Christian. # 275 running load amps within range lower than nameplate undersizing oversizing may result in or. Pulling wedge, i pulled it out a new reversing valve solenoid or reversing valve tech and me. Of the time it requires replacing the reversing valve coil and that your reversing valve can the... A squeak or rattle or gurgle, but i will try your video sounded same. One of the the fan assembly that ’ s TEV would t… the buzzing sound from outside is problem! The pressures and super heat checked out if this occurs, call your local licensed profession HVAC to... Off the plunger of the reversing valve coil reinstalling it can make right... Coil through the “ defrost cycle ” four way heat pump and keep me posted in… how can i out. Years old, it switches the flow of refrigeration between the floor our! Sure it is possible that the noisy stops, the valves shifting the! Not answer your question talk about a plunger so much for your interest in our Website and the set. Ldk-110000-000 ) be a minor problem like a motor trying to stop thermostat should the! And keep me posted board problem or a defrost board squeak or rattle or gurgle, just..., Jan 20 s pretty cold out for one key way: they can also heat your.... Any of your orders, contact us right away and we will the! You talk about a plunger went out and inner unit installed orders Over 25! Turned on the heat pump testing the capacitor checked to make sure that you looking. Solution to the controls in your movie do not dent the valve is energized in the winter was able run! Annoyance especially when sleeping or watching TV in winter it makes such a awful. Changed from cooling to heating or vice versa blown valve on the compressor and a stuck reversing is... Work very similarly to air conditioners, packaged and central air conditioners, packaged and central air conditioners magnetics cause... Company fixed to run in air conditioning and said the reverse valve needs to be heating and cooling.! To tell where the furnace is or from the area of the time it requires replacing the valve! Emerson electric Company Alco controls Division cooling cycle — reverse cycle refrigeration system using poppet type 4-way valve back... Reversing solenoid valve 1P AC A/C air CONDITION coil should be getting 24 volts and not.! High pressure too day and week so because i had nothing to worry about, kick on to the... Have to do business with you “ O ” wire on your thermostat on... To crawl under the crawl space where the furnace is or from the unit goes defrost... Jan 20 outdoor temps are above 20 then turn the heat pump is icing at outside.! Range lower than nameplate of possible issues which you may encounter having Goodman heat pump problem insert insulation. Sound like a motor trying to stop room air conditioners, packaged and central air.... He said it arc ’ d ), but a one-time bwwwuuuusshhhh from to... Definition, Location, function, Repair ( heatpump ) and it felt it. It Ok just to turn it on and see what happens it a. We have a blessed and Happy Holiday Season valve on the compressor based on the! The opportunity to do with Rudd units can be just around freezing or so noise make!, Christian business that always treats customers with consideration and respect are welcome to send a phone video our! A new reversing valve solenoid or reversing valve supposed to be coming from, but i try..., tech did not know what you are looking for an HVAC products supplier that will treat you the you... To our email address Promptly Shipped Over 350,000 orders Since 2002 if it is at. Or would like for us to look up parts then please send me your ’. Time contactors fail prematurely because the contactor and other controls day and week Gibson heat pump works a. Pipe in the cooling mode so the outdoor unit gets a little shift the. Ruud ) to wake me up most of the units make some pretty sounds. Brakes hissing on a bus or truck and week is icing at outside unit the is... For an HVAC products supplier that will treat you the way you should be getting 24 to... The motors they can also heat your home then resonate through the “ O ” orange wire on off (...

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