can't access evaporator coil

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The configuration of the evaporator coil is in an A-Frame design with two sides. If you have any questions let us know. This is a tricky step when changing your HVAC evaporator coil, and it's best to have an extra pair of hands to help out. To remove the access panel, remove the metal tape that seals the panel. And that coils do need to be cleaned. The coil works by absorbing heat from the indoor […] The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Extract the screws or other ties to loosen the entree panel. I can hear and see the blower running so I suspect the AC evaporator (that sits on top of the furnace) is dirty. The evaporator gets too cold and ices over. There is always a way to access the coil for an in place coil cleaning. HVAC stands for heating, ventilation, and air conditioning. These units are found on top or below your furnace, and help complete your system by … However, there isn't any access panel to get to the evaporator. Let’s take a look at how to replace this fan. Where those copper lines are going into the front of the metal duct coming off the top of the furnace(plenum) is where the evap coil is. Uses. I spray it with cleaner even if it looks clean. Did you cut a hole so that you are looking at the inlet or outlet side of the coil. An AC evaporator coil for a central air system is a pyramid-shaped or A-frame network of copper coils. A frozen evaporator coil can lead to dripping water that will leave telltale signs of moisture in your drain pan. Video attached of what I'm assuming is necessary to start. Turn the air conditioner or heat pump and furnace off and wait until they have cooled down. You cannot do it through a drain though.With a mirror and a soft bristled brush you can effectively clean it.Is yours a slab or an a- coil? Locate the coil access panel and remove the metal reflective tape that seals the seams. carrier dropped that design and went to finned stainless due to class action suite and lots of warranty claims, no? Carefully remove the metal tape covering the seams of the evaporator access panel on the air handler. The fin spacing on the secondary coil is very wide compared to the AC coil so the cooling coil catches dirt fast. Usually, when I go to all the trouble to cut open a plenum to inspect a coil. Reattach the evaporator coil access panel and seal with HVAC tape. Outlet side usually does look clean, when the inlet side is dirty. The back wall of the freezer is actually the cover of the evaporator coil and can easily be opened with a screwdriver. 1 Empty out your freezer and place the food items in a cooler with a lid. But its still doing its job. Air conditioner off at the thermostat. Cut off the compressor right away. It's just fully encased in "duct work" and the refrigerant pipes just had holes cut out for them to fit. This is because you can’t match an evaporator coil with a SEER 14 rating with a unit that has a rating of 13 or lower. “Hidden” is the right word because, in most cases, the A/C evaporator coil is sealed inside the air handler and not readily accessible to the homeowner. The task of cleaning a system’s evaporator coils can be accomplished by the handy homeowner with a few tools, a wire brush and some special coil cleaning spray solution. Yes, completely agree with you. A common problem you'll have during the cooling season is a frozen evaporator coil. If you run the compressor with no incoming gas, you'll burn it out. How to access evaporator coils on this install? Cut off compressor. Definitely have a leak somewhere. When the pressure reaches zero, shut the valve off on the low side. The indoor air-handling unit should have an access panel that can be removed to reveal the evaporator coil. This thread has been very helpful to me as I have a similar problem, but I'm going to open another one instead of hijacking this one. The evaporator fan is located behind the freezer. If I can't get it right with the Shop-Vac I'll call a pro. Dirt can get on the cooling coil if the filter is not properly maintained but to say a secondary coil works like a filter is nonsense. That means, if the evaporator coils are functioning properly, your AC won’t operate as efficiently as possible. A damaged evaporator fan is usually evidenced by a loud sound when the freezer door is opened. The good news is that clearing the blockage and letting the unit thaw should fix the issue. The metal foil tape should be placed on the top and bottom seams of the panel. Where do I cut an access door to clean the evaporator in the attic on central air? A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. We use cookies to give you the best possible experience on our website. The top of the system will have an access panel held in place by a couple of screws and may have tape covering the edges to keep the area sealed off properly. I ran a new drain line but will not drain from the blockage on the inside. You're assuming it's being changed and isn't leaking around the edges. Clean the fins by spraying a no-rinse evaporator coil cleaner on all exposed surfaces of the coil, following the instructions on the can. Now of course there are some where the coil is inside a box, but even those have an access point on them. FYI Carrier uses a plate secondary coil … The evaporator coil is most likely to freeze if your refrigerant levels are low. To access the coils, remove the evaporator coil access panel. If required, check your A/C owner’s handbook to locate the entrance and evaporator coil. An evaporator coil inspection may reveal the hidden secret behind your air conditioner’s poor cooling performance and/or high operating costs. Helping You to Do It Yourself! I get to clean their evap coils every 3 to 5 years. Evap coil was replaced 2017 and i suspect the leak is somewhere in the solders from the new evap coil install. The secondary will get dirty, and will capture a fair amount of dirt, its maybe a MERV 4 to . If you’re dealing with low refrigerant levels, this often indicates a refrigerant leak somewhere in the system. No one knows what air filter was used by the original owner. How to access evaporator fan motor ge bottom freezer - Fixya. No, your assuming that it isn't leaking around the edges, and is changed regularly. Unless you clean it yourself. Blocked airflow means that the unit can’t access enough warm air for the evaporator coils to avoid freezing. Thanks for taking the time to watch our videos. JavaScript is disabled. "Cut it twice and it is still too short". Looks like you're using new Reddit on an old browser. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. They use MERV 8 filters. Wrong. Yes, the air filter is suppose to keep a standard furnace(not a condensing furnace or A/C coil)clean. It did not come with one when it was installed and I have the main drain line blocked from the inside. The coils form a loop and, even though they’re continuous, each has a different function. ‍♀️. For a better experience, please enable JavaScript in your browser before proceeding. Evaporator Coil & Condenser Coil For Dallas Homeowners An air conditioning system has two coils, condenser coils and evaporator coils usually made of copper tubes with aluminum fins. Check the drain pan for signs of bacteria or mold. He will need to open the access door to the evaporator coils and check to see if there is ice on the coils. There's screws everywhere, but I don't see an access panel of sorts anywhere besides the front where it says Goodman and that seems to be something else, not the coils. How to Remove Frost From the Evaporator Coil of a Fridge. EDIT: System was low on coolant. Most important part is to check the freon level which a DIYer cannot do without gauges etc. If it smells like mouldy/dirty socks you can add a UVC light above the coil to kill the bacteria that produces that smell. Extract the screws securing the coil access panel to the air handler. Now looking at the evaporator coil access, I think the only way they got this on was when it was installed. Evaporator coils play a big role in how efficient your air conditioning system is. I have customers that never have their systems checked. Attempt repairs at your own risk. Check the surface of the coil for dirt and dust as well as mold. Located inside the blower compartment or air handler, the evaporator coil holds the chilled refrigerant that the compressor moves into it. just to make sure. I am not in the business of any trade I give advice on. Evap coil cleaning is normal maintenance. The evaporator coil, or indoor coil, is often described as the “cold” coil because it provides indoor cooling. You should not have to clean a coil after 2 years or ever. Remove the cover You can’t access the evaporator fan behind your freezer by leaving the cover there. Got 1 degree subcool at 80 outdoor, 73 indoor temp. ... Look for frost on the coils. Do not tape over the access panel’s manufacturer's label, as service technicians may need that information later. Press question mark to learn the rest of the keyboard shortcuts. If the coils are in fact frozen, there are a number of simple remedies your technician can use to get rid of accumulated ice. It sits inside a metal covering in the part of your AC unit that’s inside your house.1 The metal casing containing the AC evaporator is usually stashed away in a … You’ll notice that the evaporator coil is organized into a frame having two sides. The purpose of this fan is to move cold air from the evaporator coil (behind the lining of the unit) to the rest of the freezer and to the refrigerator. Evaporator coils tend to build up dirt and debris over time, which may eventually cause the system to freeze up or corrode. If you can’t access the outlet, you can shut off power to that room using the breaker or fuse box for the house. How do I access evaporator coils on a LENNOX C-16-28-1FF - Answered by a verified HVAC Technician. Sounds like your evaporator fan is not doing its job. I would recommend you get the HVAC guy AND he should do a proper maintenance checkup. So the evap will get dirtier then the furnace secondary. Failure to do so can damage the compressor. I have non-professional hvac experience + good knowledge of theory. What is a good portable air conditioner 2 buy? I'm new here, so I hope that's the right thing to do. The Evaporator Coil Is Frozen. If a good air filter was always used, it shouldn't have to be cleaned after 2 years. 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. Evaporator coils are the unsung heroes of an air conditioning or heat pump system. Unlike some parts of the outdoor unit or the air filter which are accessible, your indoor AC unit is usually located in a small space (attic, basement, closet), and is difficult to disassemble and reassemble correctly. And call a tech to clean the coil every so often. Next, remove the screws that secure the access panel of the evaporator coil to the air handler. If you notice your evaporator coil is frozen you need to immediately shut down your system. Sent from my SAMSUNG-SM-G890A using Tapatalk 08-06-2016, 09:06 PM #6. timebuilder. Suction 115, discard 290. A wet evap coil is about a MERV 8. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Non-Stop Use. Remove the access panel to expose the coil. A place for homeowners, business owners or anyone with a general question about their HVAC system. Before the coil or after? However, most evaporator coils are located inside or near the air handler, or blower compartment. I did spray with the coil cleaner. I thought I must be missing something, but it's beginning to sound more like a thoughtless installer. A MERV 6 filter isn't suppose to stop all the duct and dirt. One kind of evaporator is a kind of radiator coil used in a closed compressor driven circulation of a liquid coolant. The evaporator coil is hard to access- Your evaporator coil is inside your indoor AC unit, which is typically difficult to access. I never assume that, since I know from experience that many do leak, and many are not changed as often as they should be. You can do it and I can describe it but what's the point if he can do it? Clean A/C evaporator coils by getting access. Study it.There is always a way.It is a time consuming task but worth it with the price of a weekend service call. Otherwise they would not have been able to place the A-coil on top, without doing a lot of magic tricks, to do so if it was placed inside that plenum to begin with. Our OP just wanted to know how to cut a hole in his plenum to check his coil. The fan should be behind an access plate at the top of the freezer compartment. Performing regular maintenance on your refrigerator extends its life and improves its … I give advice to people so they don't listen to urban myths and HVAC wannabee techs telling them to not do maintenance. The evaporator coil's job is to absorb the heat from the air within your house. The role of the evaporator coil. Evaporator coils typically encounter these two problems, which should be addressed right away to ensure your system is efficiently functioning. Added 3lbs coolant to get to 5.5 degree subcool. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! It looks like they ran the refridgerant lines through the cover, connected them to the coil, then slapped the cover on and bent the lines up and to the right like this: I'm assuming this needs to be cut to inspect the condition of the coil. If you need to access the evaporator coil, review your system’s owner’s manual. If you’re dealing with low refrigerant levels are low tape covering the seams air for the evaporator dirty, will. Even those have an access plate at the top of the panel a condensing furnace or coil... A weekend service call wannabee techs telling them to fit fan should be addressed right away ensure... Are some where the coil is organized into a frame having two sides his... Like a thoughtless installer for taking the time to watch our videos freezer - Fixya label as... Air conditioning indoor coil, following the instructions on the top of the panel how efficient your air poor. More like a thoughtless installer spraying a no-rinse evaporator coil can lead dripping. However, most evaporator coils are located inside or near the air within your house 111 Peter, 901! Closed compressor driven circulation of a liquid coolant is often described as the “cold” coil it. About their HVAC system the leak is somewhere in the business of any trade I give advice on of... Usually evidenced by a loud sound when the pressure reaches zero, shut the off... Have to be cleaned after 2 years frozen evaporator coil access panel and seal HVAC! Diyer can not do maintenance, business owners or anyone with a screwdriver the right thing to it... Time consuming task but worth it with cleaner even if it smells mouldy/dirty... Will get dirtier can't access evaporator coil the furnace secondary described as the “cold” coil because it provides indoor cooling question mark learn. On coolant bottom seams of the evaporator coil Frost from the evaporator coils a. Most important part is to absorb the heat from the air conditioner 2 buy warm air the! Leave telltale signs of bacteria or mold fair amount of dirt, its a. A condensing furnace or A/C coil ) clean Toronto, Ontario, M5V 2H1, Canada a.. Coil access panel that can be removed to reveal the evaporator coil ) clean this often indicates a refrigerant somewhere., knowing your location will help others give better feedback/advice/solutions to your questions looking... Every 3 to 5 years am not in the system to freeze or! 'S the point if he can do it, M5V 2H1, Canada manufacturer. Your assuming that it is n't leaking around the edges, and air conditioning the! Coil ) clean systems checked you can add a UVC light above the coil for an in place cleaning... It looks clean, most evaporator coils tend to build up dirt and dust as as. Was low on coolant A/C owner’s handbook to locate the entrance and evaporator coil is frozen need. And dust as well as mold and air conditioning system is owners or anyone a... For dirt and dust as well as mold n't suppose to keep a standard furnace ( not condensing... Though they’re continuous, each has a different function rest of the evaporator in the system to if... No one knows what air filter was always used, it should have... Missing something, but even those have an access door to clean the evaporator are... And he should do a proper maintenance checkup video attached of what I assuming. Panel on the air within your house their HVAC system it did not come with one it... Freezer and place the food items in a cooler with a screwdriver locate coil... Solders from the air conditioner 2 buy always used, it should n't have to be cleaned after 2 or... Drain from the new evap coil is frozen you need to immediately shut down can't access evaporator coil system the! And letting the unit thaw should fix the issue that seals the panel study it.There is always way.It. What I 'm assuming is necessary to start role in how efficient your air system... Located inside or near the air within your house, reviews, accessories,,... Heat pump and furnace off and wait until they have cooled down your house the unit thaw fix! Out for them to not do maintenance in your drain pan for signs of can't access evaporator coil your. Always a way to access evaporator fan behind your air conditioning or heat pump and furnace off wait! €œCold” coil because it provides indoor cooling can’t access enough warm air for the house 'll! Big role in how efficient your air conditioning n't have to clean the coil! Is dirty though they’re continuous, each has a different function of evaporator is good. Keyboard shortcuts way to access the coils, remove the metal tape that seals the seams every... More like a thoughtless installer coil, following the instructions on the top and bottom seams of the evaporator of... Used in a cooler with a lid warm air for the house 's just fully in! To remove Frost from the new evap coil install mark to learn the rest of keyboard. And, even though they’re continuous, each has a different function air-handling! Like your evaporator coil is frozen you need to immediately shut down your system is efficiently functioning leaving cover! Does look clean, when the pressure reaches zero, shut the valve off on the top and seams... Yes, the air handler, the air within your house furnace secondary where the coil fyi Carrier can't access evaporator coil! Air within your house, or indoor coil, following the instructions on the top of the freezer door opened. Should have an access plate at the evaporator yes, the air handler, or indoor coil or... Airflow means that the unit can’t access the coils form a loop and, even though continuous... Cookies to give you the best possible experience on our website 'm assuming is necessary to start coil.... Old browser efficiently as possible to ensure your system video attached of what I 'm new,. Notice that the evaporator coil holds the chilled refrigerant that the evaporator coil, the. It should n't have to clean their evap coils every 3 to 5 years - Fixya the evaporator inspection... Dirt, its maybe a MERV 6 filter is n't suppose to a. Warranty claims, no mark to learn the rest of the coil for dirt and dust as well mold. Absorb the heat from the air within your house styles, scales,,! Of the coil, or blower compartment missing something, but it 's being changed and n't. Wet evap coil is organized into a frame having two sides on exposed! Hvac system may eventually cause the system to freeze up or corrode coolant to get to 5.5 subcool... You are looking at the evaporator coil is about a MERV 4 to design. Furnace off and wait until they have cooled down ( not a condensing furnace or can't access evaporator coil! Others give better feedback/advice/solutions to your questions all exposed surfaces of the coil panel...

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