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;). This is a brand new direct replacement RV stove burner electrode that fits Atwood Suburban. The condenser fan and motor are an essential part of the air conditioning system as well. See CONTROL CIRCUIT BOARD, A/C for details. We need a new one, but Mel Flagg COA OSC from Rural Central Florida on August 01, 2012: Hey Cre8tor, congrats on another HOTD!!! Air conditioner compressor / condenser unit component parts guide: Here we describe each of the parts or components that make up the outdoor portion of an air conditioning or heat pump system: the compressor/condenser unit. , 3 Reasons Why Your Ice Maker Isn't Working I would reply individually however my reply button is MIA so I hope this will do in it's place. You have taken a topic that is intimidating to most homeowners and given simple, well illustrated information that explains the basic parts of the air conditioning system. Note: the compressor has to produce high enough output pressure that the gas moving through the condensing coil moves at a good velocity in order to scrub the entire condensing coil tubing surface and thus transfer its heat out through the condensing coil tubing into ambient air (or water). stars439 from Louisiana, The Magnolia and Pelican State. Question: My dog chewed the thermostat wire the contractor. Getting a liquid refrigerant in your eye can cause serious permanent eye damage. at CAPILLARY TUBES. When you shut it down, giving it a chance to cool, the limit is probably resetting and allowing it to work again until it begins to run too hot and tripping the limit again. Although there is still a lot unknown about the virus, the World Health Organization states: "the risk of catching the virus that causes COVID-19 from a package that has been moved, travelled, and exposed to different conditions and temperature is also low.". It replaces original OEM part numbers Atwood Dometic 2932052018 20349 RV Refrigerator Thermocouple The labcator cord is cut what are the steps to repair it its the cord the water comes out when my centeral air on. It may have shorted the fuse on the board? We have no relationship with advertisers, products, or services discussed at this website. This top should be flat. In our modern, high-tech society, we don't think much about s We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. The capacitor is guilty of costing many homeowners a significant amount of money when it blows. While diagnosing a circuit or component problem within an air conditioner or heat pump control board is beyond the skill of most homeowners, a simple visual inspection might show you that the control board has been visibly burned, broken, or damaged. Here is where you may sometimes see that your A/C fuses are blown. A/C units are really fairly simple once you break down their components the way you've done. There was an orange wire coming from a black cylinder ( maybe another type of cap? NOTE: The condenser fan motor and compressor are the two parts that you want to be sure have a decent warranty when making an A/C system purchase. Not only is this harmful to the environment but it can cause severe burns and is against the law with very heavy repercussions. Good info. Be sure your fan spins freely with your hand and if not, lubricate the shaft so that it does. The outdoor half of a typical air conditioning system (shown at page top) is a unit containing the refrigerant compressor and condensing coil and a cooling fan. 2022 The Arena Media Brands, LLC and respective content providers on this website. Of course, if they don't, you have a problem on your hands. This state change (gas to liquid) releases energy in the form of heat which is blown into outdoor air (or transferred into water). This fan is used to pull air through the coils of the condenser to help cool the refrigerant and compressor as well as displace the heat that is coming off of those parts. Here the condenser lid is removed so that you can see the fan and motor. Maybe you'd get a laugh from my essay "Air Conditioning the Path to Hell" Actually this year was the hundreth anniversary of the air-conditioner, right? You would have to eliminate it from the circuit and run some electrical tests to be sure. The fan/motor and compressor are part of the unit. Can it be fixed. Be sure that if you have the motor replaced that the housing of the motor is solid and does not have "breather" ports on it. The contactor relay is basically a low-voltage-operated switch [typically 12-14 volts] controlled by the low-voltage room thermostat) that switches a heavier-duty electrical relay to give 120V or 240V electrical power to the compressor/condenser unit. Of course the board may look OK and still be damaged. The "two poles" simply means that the relay switches two electrical wires simultaneously - which is what you'd expect if your heat pump motor is running on 240 Volts. @ SOMEONEWHOKNOWS - Geo-Thermal is the wave of the futureonce the average individual can afford it. Any suggestions? Just remember, when it comes to your A/C, always take care when maintaining the system. Otherwise, I would imagine it can be fixed whatever is the issue but am not positive what that issue is. Also, how do I know if this may need to be replaced? Although, this situation is evolving rapidly, our team is working to continue to serve our customer's needs during this time. Typically a piston moves up and down inside of a cylinder inside the compressor motor, drawing in refrigerant gas on the down stroke of the piston, and compressing the refrigerant gas on the up stroke of the piston. Many people are asking the same question: Is it safe to receive and handle a shipment? This is likely because the fuses protecting the unit are blown and though the button is pulled in, there is no power waiting to "cross the bridge". The condenser it the proper name of this unit because it condenses the refrigerant back into a liquid from a gas. I was told my power board is bad in my unit. Takes long time to come on when temp set low. You may hear the unit humming and see that the contactor button is pulled in but nothing is happening. It's not an accelerator. Thanks for your comments. This is largely out of their hands. Check out the diagnostic suggestiosn beginning at LOST COOLING CAPACITY (link at the ARTICLE INDEX the bottom of this article )Anon: those pressures look kind of low, no? This article is accurate and true to the best of the authors knowledge. Not so much for the fan motor and compressor. Air conditioner / heat pump control circuit board(typically a "control board" shown in our photo at left) and a contactor relay (shown in our photo below) are used in the compressor/condenser to turn it off and on in response to the indoor thermostat's call for cooling. Answer: Perhaps someone is referring to the contactor. What more can go wrong? It's also responsible for providing significant income to service providers. A dirty filter restricts airflow and thus raises the temperature inside the unit which has an effect on the refrigerant's evaporation process. (Aug 2, 2014) Lou said:I have a carrier condensing unit that the compressor wont start.I have voltage at the contactor and have replaced the start cap and run cap.odd to say,im drawing 11 amps on start and run wires coming from the contactor but i hear nothing from the compressor! Thank you! It replaces original OEM part numbers #'s30268. So I'm suspecting a control or switch problem./, the outside unit of the heat pump is icing up on the compressor - Steve 8/7/11, Hi my fan in my house goes on but my compressor unit does not all the electric seems to be fine . It is definitely the cap. Beyond that, there isn't really a control unless perhaps you have some sort of modulating or communicating the type of unit. Notice the solid housing on the motor. We also ask that all of our customers follow safe personal hygiene practices when handling, receiving, or touching any package and/or product(s). Continue readingat COMPRESSOR / CONDENSER DIAGNOSTICS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. - Fan or 7/23/11, Fan or compressor: you could also have a bad control board, or relay switch in the compressor/condenser unit. I can press the contractor button & condenser fan, and the compressor turns on and cools. Knowledge is power. Water at the outdoor compressor condenser is probably coming from melting ice or frost. Emma Kisby from Berkshire, UK on August 01, 2012: Great hub and very well written. After an hour the cooling fan stops but the compressor continues for a short time then quits. (Some refrigeration compressors such as those made by Frigidaire used a rotary compressor design that we found durable and powerful enough to lead us to salvage and re-use these motors for other purposes.The refrigerant gas leaves the compressor at high pressure and at high temperature (since compressing a gas will raise its temperature). Hi Tom, Contact your local Tempstar dealer and give them the model and serial number and they can special order that in for you. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. The evaporator coil is really just a box of fins and tubing with a drain attached to carry off the condensation it collects. In most air conditioning or heat pump compressors, a piston moves up and down to draw in and then compress refrigerant gas, moving refrigerant vapor from the incoming low side to the outgoing high side of the compressor.The refrigerant gas leaving the compressor (and entering the condensing coil) will contain both heat that the refrigerant absorbed at the evaporator coil (heat from air in living space of the building), and additional heat produced at the compressor by the process of compressing the gas. Of course, the first thing you'll notice is that your A/C isn't working and that the fan is not spinning. And now I know what to present to the repair company and what they may present to me. On the A/C system's high side (high refrigerant gas pressure side of the system), the condensation point must be some temperature above ambient outdoor air temperature (if air is being used to cool the condensing coil) or condensation of the refrigerant gas back to a liquid will not occur.Creation of high side & low side in a refrigeration system: The restriction in refrigerant flow created by, an adjustable THERMOSTATIC EXPANSION VALVE (TEV article) [or on many systems, simpler CAPILLARY TUBES] located close to the evaporator coil (cooling coil) allows the compressor to raise the pressure and increase the temperature at which the refrigerant (coolant) will change state (from liquid to gas in the cooling coil, and from gas back to liquid in the condensing coil). They are also nearly all of the scroll type. Most other parts will have only a year-long warranty but are rather inexpensive to replace if needed later. Atwood 32330 RV Furnace Motor Billie Pagliolo from Laguna Hills, California on August 01, 2012: Excellent!! COMPRESSOR / CONDENSER UNIT COMPONENT PARTS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Knowing what these things are and do will help make people more comfortable with their services that are being performed. :D. Kristin Trapp from Illinois on August 01, 2012: Stopping back by just to say congratulations on Hub of the Day. (July 13, 2014) Anonymous said:i have a Carrier heat pump that i cant get the blower to come on. Gail Sobotkin from South Carolina on August 01, 2012: Excellent article. There is no opening them up and putting them back together. Voted up and shared. Your inspiration is greatly appreciated! These pressure differences move refrigerant through the system and enable it to change states from liquid to gas (at the TEV and in the evaporator coil) and from gas to liquid (in the condensing coil). Thank you again and thank you to HP for selecting this for HOTD. It's certainly not the type of bridge you care to play around with if you prefer to keep control of your own functions. When the air conditioner is asked to operate, the capacitor discharges this stored energy, providing a boost to get the motor going. This is a top view of the compressor located in the center of the condensing unit. This is my motivation. Thank you for reading. The best way to protect yourself from being "hosed" by bad apples in the industry is to try and learn as much as you can about your system. @ Marcy - I'm glad this was helpful. The fan was not spinning and the A/c is not running. HubPages is a registered trademark of The Arena Platform, Inc. Other product and company names shown may be trademarks of their respective owners. It will continue to start but will not start and run until it cools down.Any ideas? Are they hard to replace? Other than cleaning your unit, you shouldn't really be in here but do note if you are, this may be very hot. How does an air conditioning compressor motor work?The job of the compressor/condenser unit is to recompress warm refrigerant gas (pulled from the indoor air handler cooling coil) back to a liquid refrigerant that can be returned to the indoor cooling coil once again. R12 refrigerant has a boiling point of -21 degF (change of state from liquid to gas vapor) and R22 has a boiling point of -41 degF. (Aug 14, 2014) Andre Matthew said:my AC is not cooling well don't know the problem with that. With the air being drawn in by the fan comes all sorts of things that block air and keep our condenser from working as efficiently as it should. This button serves as a drawbridge. Question: What is the control piece on an A/C? Wow, fantastic hub Cre8tor, now I can bookmark it instead of pestering you with questions lol. It replaces original OEM part numbers Atwood Suburban 232577 20280 (54800) RV Stove Burner Electrode - JT 7/276/12. Question: My AC works great most of the time, except when the outside temperature is 105+ degrees. The capacitor's function is rather simple, to provide a boost of electricity to help start or run motors. Night Magic from Canada on August 01, 2012: Congrats on Hub of the Day. This mistake will surely cause problems if made. This is a brand new direct replacement RV refrigerator thermocouple that fits Atwood Dometic. With that said, the condenser is the only real mechanical part of the system. The AC guys may very well be right that the unit is working correctly though Im sure that answer won't make you happy. It's unfortunate, but they are out there. This is a brand new direct replacement RV furnace motor that fits Atwood. So summing up this theory and practice of air conditioning, the job of the air conditioning compressor is to reduce pressure on the low side (cooling side) of the system and to increase pressure on the high side (warming side) of the system. This is a brand new direct replacement RV furnace motor that fits Atwood, HydroFlame. Atwood Dometic 2932781012 20348 RV Refrigerator Electrode Especially some of the copper lines attached to it. InspectAPedia tolerates no conflicts of interest. Evaporator coil is defined, at AIR HANDLER / BLOWER UNITS TEVs, AEVs, thermostatic expansion valves, manual and adjustable expansion valves, and float valves are discussed, at THERMOSTATIC EXPANSION VALVES. These two things together are manipulated so that the refrigerant in the system will change back and forth from liquid to gas. This means that instead of a piston pushing up and down on the refrigerant, it is a rotating component that is doing the work. While thats not the common term I can see why someone may call it that. The fact is, and I know from experience, people can hardly afford energy costs therefore breakdowns force them to go without. See details at CONTACTOR RELAY DIAGNOSIS & REPAIR Also see A/C - HEAT PUMP CONTROLS & SWITCHESWatch out: Some of our readers report successfully replacing minor electrical components such as switches, relays, and contactors. I need the "lid" that the motor is mounted tohave a tempstar but can't seem to find the lid. Amazing - all the things I never knew. Times are hard and people have turned down my services in the dead of winter and heat of summer because they couldn't afford it no matter how low the price.a big part of why I write these hubs. In an air conditioning system, pressure is used to change (increase) the vaporization point (state change from liquid to gas) or condensation point (state change from gas to liquid) of the refrigerant. So you're hungry and head to your fridge for som Capillary tubes for metering refrigerant are discussed separately. 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. JT our link at the ARTICLE INDEX the bottom of this article NOISE AIR CONDITIONER / HEAT PUMP provides noise diagnostics.About taking a long time for the A/C to "come on" when the temperature is set low: the thermostat is operating like an "on-off" switch that turns the air conditioner system on and off in response to room temperature. I'm typing with a clear view of our rickety old air conditioner. Do you have suggestions block the view without interrupting the functioning. For example, R12 changes state at -21 degF; R22 changes state at -41 degF. What I aim to do is explain only the parts of the condensing unit. document.getElementById("copyright_year").innerHTML = new Date().getFullYear(); 4 Reasons Why Your Fridge is Leaking Water Inside Ellen - If a test has been run that the capacitance is low then it's a matter of time and I'd replace it before it becomes an inconvenient problem. Vince - It could just be coincidence. , 10 Reasons Why Your Air Conditioner Is Not Cooling , Guide to Buying the Right Thermostat You may see an oily discharge, in some cases, dripping down the side of the capacitor, or perhaps yours won't entirely "pop" and instead, just the top will be humped up. The Arena Media Brands, LLC and respective content providers to this website may receive compensation for some links to products and services on this website. Though many refer to this as their air conditioner, truly it is only part of a split system. In reality, the system is made up of two main components; the condenser and the coil. This tells them you won't kill yourself working on the unit. A/C heat pump Contactor Relay: A/C and heat pump systems use a contactor relay (circled at left) because the little 12-24V wall thermostat circuit and switches are not capable of handling the higher voltage used by the compressor/condenser motors. Thanks for keeping the answer to yourself. This restriction in refrigerant flow at the TEV is what allows the compressor a pressure difference between the high side and low sides of the system. Some more modern, advanced air conditioning condensers do have an electronic control board but typically, what I've shown you is all you have in your condensing unit. Control circuits and a contactor relay turn on the outside compressor/condenser motor and its outdoor cooling fan as well.The air conditioning or heat pump compressor compresses the incoming refrigerant to a high pressure gas and moves that gas into the condensing coil described just below. This is the piece where the problems will likely occur. Especially if you have an out-of-date, now obsolete R-22 system. Unlike a TEV, a cap tube is fixed in output and cannot be adjusted.State changes of refrigerant are what remove heat: Refrigeration systems rely on two state changes of the refrigerant: gas to liquid, and liquid back to a gas. NOTE: There is 220V passing across this drawbridge. Turn off the power, be careful not to bend any of the fins or copper tubing, and never open the refrigerant valves or tubing to the atmosphere. any suggestions? Now as I mentioned, the condenser is the main unit but it cannot operate without help from its friends. Marcy Goodfleisch from Planet Earth on June 03, 2012: Ah, yes - yet another piece of my home that's getting ready to crater! This is a brand new direct replacement RV furnace gas burner head that fits Atwood Dometic. The AC guys keep telling me my unit is working just fine. You rock, Cre8tor! Some do not realize this difference and assume a blower motor can be used to replace a condenser motor. Buy one and keep it on hand. A cap tube is simply a small diameter tube used to meter liquid refrigerant from the "high" side of the system into the cooling coil (the start of the low side of the system). )that burned or broke off the start cap. I wish I knew all of this in the past when I've had HVAC guys out to do repairs so I could better understand them. That is the goal. Beginning at COMPRESSOR / CONDENSER REPAIR see the articles at the ARTICLE INDEX the bottom of this article for detailed HVAC compressor/condenser troubleshooting and repair procedures. It Atwood Hydro Flame 31036 RV Furnace Motor If it breaks down, forget fixing it yourself and carefully weigh the expense of replacing it versus getting a whole new system. There are other things that are necessary to connect and help the system function, but they aren't dedicated solely to the A/C system. Take the same thoughts on the air passing over the condenser coils and apply that to the evaporator coil inside where gas is converting from liquid to gas and you'll begin to understand more why a clean air filter is so important to air conditioning.