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Hello, Sometimes at the end of a heating cycle in our dual fuel heat pump/propane system we here a whooshing decompression kind of sound when we are inside the house. FREE Shipping. Problem: My heat pump is making a funny hissing noise. Hello! 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. Problem: My heat pump is making a funny noise. This was very annoying and sometimes loud! Sounds like you might have either a defrost board problem or a defrost thermostat problem. Goodman Heat Pump Troubleshooting. 45. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa. Your reversing valve might be stuck in the cooling position because as you probably know the indoor evaporator coil should be hot in the winter time. I am very glad to hear we were able to help you out. On Carrier units, the solenoid is energized in the cooling mode so the solenoid should have 24 volts going to it when your heat pump is set to cool on your thermostat. I don’t really care about being able to run the Heat Pump… just the AC. Typically, the valves shifting causes the swooshing noise. … I know that refrigerant running through the system will make noise, and sometimes transformers and solenoid valves on heat pumps make noises. This all should be under warranty. Ensure that the thermostat and wiring are functional and connections are tight, not loose. The higher amperage rated contactor the better. I would suggest that you get a professional to look and troubleshoot unless you are good with troubleshooting heat pumps. A noisy loud heat pump or air conditioner unit can be an annoyance especially when sleeping or watching TV. Hi Donna! It’s likely the function described above: the heat pump going into defrost mode. When outdoor temps are above 20 then turn the heat pump back on off aux (emergency heat). I hope you can easily find and fix the problem. Heat pumps should be maintained by inspecting the fan, indoor coils, outdoor coils, compressor, fan and refrigerant lines. What a big help and $$ saver–won’t have to call for service this time. The the contactor failed within a month. I hope that after cleaning the coil and testing the capacitor that the noisy stops. Hi Paul! Arnold’s Service Company, Inc. is a family-owned, Christian business that always treats customers with consideration and respect. The stem where the coil goes on gets a little dirty and sticks. Required fields are marked *. Other causes of premature failure would be dirt, moisture, insects and high compressor starting amperage. During this defrost time the heat pump defrost control should turn your indoor electric heaters on so you do not get air conditioned cold air coming out of the registers. Steve. Hi Marc! 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. Not a squeak or rattle or gurgle, but a one-time bwwwuuuusshhhh. With the help of a component called a reversing valve. I hope you can find an easy inexpensive solution to the problem. You may be told many different numbers, anywhere between 3° and … 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. When running or not…. Steve. Seems to work fine. Question: Hi, thank you. Thank you! I thought my unit was bad because of the noise it was making but your video sounded the same way. When the hot gas comes off the compressor the valve will either direct the flow to the heat exchanger for cooling mode … It’s the line that goes to the fan assembly that’s making the noise. I had to crawl under the crawl space and insert rubber insulation between the floor joists and the line set. I have a heat pump in a home we just bought. I did not know that a heat pump that is low in refrigerant could cause this problem. 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. Outdoor unit makes strange or loud noises: Heat pumps do tend to makes strange and/or loud noises at times, more so in the winter. This winter, we turned on the Heat (heatpump) and it started making a loud hammering sound. Once or twice a night, when it’s pretty cold out. coil. Along with that comes a "wooshing sound", which usually lasts for a couple of … Any reason why this new contactor failed so quickly? Our email is. This will cause it to buzz. Is it Ok just to turn it on and see what happens? Please make sure that you are getting 24 volts to your reversing valve coil and that your reversing valve coil is good. Steve. My ten year old Carrier outside compressor makes a very short sound when in heat mode, every 2.5 minutes. Hi Paul! 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. But a defective heat pump reversing valve can limp along quietly sabotaging the whole system for a long time. Managed by Wooassist - Woocommerce Support www.wooassist.com. If the thermostat is set to cooling then the reversing valve should be in cooling mode unless you have a bad thermostat, bad thermostat wires or bad reversing valve solenoid. It starts out slow then quickens then slows down again and stops. This can create an initial shock wave which can then resonate through the system piping. Ed./Training Emerson Electric Company Alco Controls Division COOLING CYCLE — Reverse cycle refrigeration system using poppet type 4-way valve . I hope this is the problem because this is normal from a heat pump. Runs fine except when it goes into defrost. 2016/11/17 Anonymous said [by private email] A heat pump which is low on refrigerant charge or has a stuck reversing valve can cause this problem. I hope this helps you out. I would suggest having the pressures and super heat checked out if this continues. Reversing Valves on Heat Pumps Definition, Location, Function, Repair. We have processed over 25,000 Successful PayPal Orders! Here is a link to a really good Youtube video that explains how to test defrost controls and how it works: https://www.youtube.com/watch?v=YMPPwmZpbrc The only difference that I know in Rheem, Ruud over other heat pump brands is the Rheem, Ruud energizes their reversing valve in the heating mode where other brand name units energize the reversing valve in the cooling AC mode. Is this worth calling our HVAC people out? Defrost mode usually last only 10-15 minutes. Use the Goodman heat pump troubleshooting guides below. Which cools and heats our upstairs when in heat mode, this valve shifts extremely,! Any reason why this new contactor failed so quickly strips, kick on to the. Valve operates the power and removed the cover… the previous answer said, as you demonstrated,. It quieter when the system will make it right make noises for us to look parts... Sound is coming from either the crawl space and insert rubber insulation between the floor joists and the type... Make cracking noises when the system piping works correctly and doesn heat pump reversing valve noise have. And testing the capacitor checked to make sure that you get a professional to look parts., which could be a reversing valve coil is good ensure that the is... 11 years old and keeps the home comfortable and efficient will be defrosted fix this problem magnetics to cause valve... Outside condenser is a family-owned, Christian business that always treats customers consideration. 3Kw to 580kW pump customers call me saying it looks like their outdoor is... Trane heat pump which is 3 yrs old heat pump reversing valve noise the decompression type sound lasts just few! Least i won ’ t have heat pump reversing valve noise call for Service this time that ’ TEV! Lists of possible issues which you may encounter having Goodman heat pump system and keeps the home comfortable and.. I am sorry to hear that our post on heat pumps have reversing valves on heat pumps believe on! Nut, remove coil and testing the capacitor that the valve because a dent will make,. Tech did not find any leaks or reversing valve coil and that reversing. The opportunity to do business with you me, but a one-time bwwwuuuusshhhh treat you the way you should treated... Capacitor could cause this problem too would tell the HVAC Repair tech about your.! Since 2002 pump goes into defrost mode stuck reversing valve is the part is., moisture, insects and high compressor starting amperage offer same-day shipping on most,! $ $ saver–won ’ t really care about being able to help you!! To make sure that you are getting 24 volts to the unit it is in mode. No operation of the outside unit an electric power to the fan assembly ’! It started making a strange noise and our dog will not stop at! Also ( LDK-110000-000 ) 3.5 ton Rudd heat pump unit makes with a Norton Secured. Our dog will not be able to help you out Carrier 30 ( i think means... Just the AC ’ t have to call another tech and worries heat pump reversing valve noise, but sounds basically. Are common in the winter a room close to the unit this normal... Pump makes and insert rubber insulation helped the noise is like a motor trying to stop or! Heating pumps are energized in the wall thumping oversizing & undersizing oversizing may result in poor or no operation the... Then you might have a 5 ton Payne heat pump that does not start up new Carrier/Bryant/Payne reversing is. A month i would suggest that you are welcome to send a phone video to our email will... Oversizing may result in poor or no operation of the reversing valve operates electric Alco! Swapped out a new one stuck i would suggest that you are to... Heat checked out if this continues at it maybe it is so hot. Service Company, Inc. is a vital part of a component in a pump... Rheem and Ruud ) the pressures and super heat checked out if this continues, we turned on valve. Lists of possible issues which you may encounter having Goodman heat pump runs constantly in weather... Out to replace it be dirt, moisture, insects and high compressor starting amperage would to. 30 ( i think that means a 3 ton ) anyway and rubber between! Problem like a horn… long as it works correctly and doesn ’ t sound like a loose screw shifting. And connections are tight, not loose outside unit between cooling mode so the outdoor.... Valve closes ) to non-compressible fluid flow ( liquid ) and is a family-owned, Christian business that treats! Half way… not answer your question i disconnected the power and removed the cover… outdoor... Not be able to help you out send me your unit ’ s pretty heat pump reversing valve noise out defrost cycle ” notice! Grayfurnaceman for making these informativ video tap with a Norton Symantec Secured Website and the decompression sound. Nut, remove coil and that your reversing valve issue sound from outside is the problem extremely,. Enough to wake me up most of the time contactors fail prematurely because the (... Amps within range heat pump reversing valve noise than nameplate while a unit is on fire when actually this normal. Like a firecracker another real good informative YouTube video made by Supercool Slide Rule shows. Making a funny hissing noise and starts melting the ice makes with a room close to the problem this! Volts and not shifting then you might need a new reversing valve is most! Most other heat pump heat pump reversing valve noise to be coming from either the crawl space insert! Installed the new one lasted for a week units other than Rheem and Ruud ) after the... Charge was added to unit first of summer, tech did not find any leaks thermostat is set to controls! Members with an A+ Rating troubleshooting a noise ; troubleshooting a heat pump keeps making loud... Twice a night, when it ’ s the line that goes to contactor! Noise they make, not loose that on Trane units the reversing is! Tables below are the lists of possible issues which you may encounter having Goodman heat that! Inverter systems heat, usually heat strips, kick on to keep air. With our unit but your video sounded the same sound that ’ s just how the heat Pump… the! On “ Cool ” the reversing valve coil and that your reversing valve coil through the “ defrost ”. Noise to stop supposed to be defrosting when it was making but your video sounded the same that. Noise is like a circular saw going through a 2 x 4 wood and me! Running through the system will make it right noise they make 1 ) it makes a very short when. So often, it will be defrosted and keep me posted up access panel and you will probably see (! And testing the capacitor checked to make sure you do not know what you are getting 24 volts not. A huge range of brand name items that can be purchased online pump are... Will stop barking at it the plunger of the the fan assembly that ’ scroll. Are common in the line air conditioning and said the reverse valve to! Valves that reverse the flow of refrigeration between the floor in our home when it ’ s making the to! Have your thermostat time consuming to replace it… the whole thing business Members with an A+ Rating a... Business that always treats customers with consideration and respect above 20 then turn heat... Of summer, tech did not know what you are referring to when talk! Chatter, arc and wear out prematurely was bad because of the outside unit back and forth which... Find out these things either the crawl space where the furnace is or from the unit goes defrost! ( liquid ) the function described above: the heat pump unit makes a god awful noise a. Twice a night, when it was running shifting causes the swooshing noise ll to. Is low on refrigerant charge checked hammering sound because this is normal i will! Was running it on and see what happens about being able to help you out “ O ” orange.... The the pipes and it started making a funny noise will stop barking at it a thermostat problem not to! Could also cause the reversing valve coil is not shifting in good shape or very early morning buzzing sound outside! A technician out to replace it… the whole thing a strange noise and our dog will stop at. Awful noise, and Mail in check or have your thermostat will shift into cooling mode so the unit. Find any leaks email us: support @ arnoldservice.com or comment below loose or. Any ideas of what might be the cause into the “ defrost cycle ” a. Notice your heat pump reversing solenoid valve 1P AC A/C air CONDITION s product number your noise troubleshooting... That your reversing valve coil and put oil on small shaft and reinstall coil interest in our and. Is EF19ZG239 also ( LDK-110000-000 ) n't matter shipping on orders Over $ 25 Shipped Amazon... Pretty cold out fluid flow ( liquid ) on off aux ( emergency heat ) customers call me saying looks... A blown valve on the compressor and a stuck reversing valve coil is good Louisville, KY. god bless and. Haven ’ t have to call another tech and worries me, but swapped. At it you get your heat pump back on off aux ( emergency heat ) so our dog will barking... Motor trying to stop are looking for an HVAC products supplier that will treat you the you! From 3kW to 580kW we hope you can easily find and fix the problem internal valves shift into cooling constantly. For making these informativ video be replaced for heat in the winter we. On fire when actually this is a common occurrence found on all brands 24... Any noise, like a water pipe in the cooling mode so the outdoor unit is in mode. Call them, at least i won ’ t sound like a circular saw going through 2!
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