Clean the fins by spraying a no-rinse evaporator coil cleaner on all exposed surfaces of the coil, following the instructions on the can. Cut off the compressor right away. Evaporator coils play a big role in how efficient your air conditioning system is. It did not come with one when it was installed and I have the main drain line blocked from the inside. Check the drain pan for signs of bacteria or mold. You’ll notice that the evaporator coil is organized into a frame having two sides. If it smells like mouldy/dirty socks you can add a UVC light above the coil to kill the bacteria that produces that smell. When the pressure reaches zero, shut the valve off on the low side. 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. The fin spacing on the secondary coil is very wide compared to the AC coil so the cooling coil catches dirt fast. They use MERV 8 filters. carrier dropped that design and went to finned stainless due to class action suite and lots of warranty claims, no? Clean A/C evaporator coils by getting access. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! If you have any questions let us know. Extract the screws or other ties to loosen the entree panel. If you notice your evaporator coil is frozen you need to immediately shut down your system. 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. Definitely have a leak somewhere. Thanks for taking the time to watch our videos. An AC evaporator coil for a central air system is a pyramid-shaped or A-frame network of copper coils. How to Remove Frost From the Evaporator Coil of a Fridge. 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. 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. I ran a new drain line but will not drain from the blockage on the inside. The evaporator coil is hard to access- Your evaporator coil is inside your indoor AC unit, which is typically difficult to access. The Evaporator Coil Is Frozen. What is a good portable air conditioner 2 buy? If required, check your A/C owner’s handbook to locate the entrance and evaporator coil. Locate the coil access panel and remove the metal reflective tape that seals the seams. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. A place for homeowners, business owners or anyone with a general question about their HVAC system. 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. Performing regular maintenance on your refrigerator extends its life and improves its … An evaporator coil inspection may reveal the hidden secret behind your air conditioner’s poor cooling performance and/or high operating costs. EDIT: System was low on coolant. The coils form a loop and, even though they’re continuous, each has a different function. The coil works by absorbing heat from the indoor […] FYI Carrier uses a plate secondary coil … 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. The good news is that clearing the blockage and letting the unit thaw should fix the issue. If the coils are in fact frozen, there are a number of simple remedies your technician can use to get rid of accumulated ice. No one knows what air filter was used by the original owner. A frozen evaporator coil can lead to dripping water that will leave telltale signs of moisture in your drain pan. We use cookies to give you the best possible experience on our website. If a good air filter was always used, it shouldn't have to be cleaned after 2 years. Carefully remove the metal tape covering the seams of the evaporator access panel on the air handler. You're assuming it's being changed and isn't leaking around the edges. 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 surface of the coil for dirt and dust as well as mold. That means, if the evaporator coils are functioning properly, your AC won’t operate as efficiently as possible. Yes, completely agree with you. Before the coil or after? Unless you clean it yourself. It's just fully encased in "duct work" and the refrigerant pipes just had holes cut out for them to fit. 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 fan is located behind the freezer. To remove the access panel, remove the metal tape that seals the panel. Attempt repairs at your own risk. Evaporator coils are the unsung heroes of an air conditioning or heat pump system. I never assume that, since I know from experience that many do leak, and many are not changed as often as they should be. 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. However, most evaporator coils are located inside or near the air handler, or blower compartment. Now of course there are some where the coil is inside a box, but even those have an access point on them. Turn the air conditioner or heat pump and furnace off and wait until they have cooled down. just to make sure. How to access evaporator fan motor ge bottom freezer - Fixya. The evaporator coil is most likely to freeze if your refrigerant levels are low. Most important part is to check the freon level which a DIYer cannot do without gauges etc. I have customers that never have their systems checked. “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. Next, remove the screws that secure the access panel of the evaporator coil to the air handler. The secondary will get dirty, and will capture a fair amount of dirt, its maybe a MERV 4 to . One kind of evaporator is a kind of radiator coil used in a closed compressor driven circulation of a liquid coolant. I am not in the business of any trade I give advice on. So the evap will get dirtier then the furnace secondary. Now looking at the evaporator coil access, I think the only way they got this on was when it was installed. You should not have to clean a coil after 2 years or ever. I give advice to people so they don't listen to urban myths and HVAC wannabee techs telling them to not do maintenance. JavaScript is disabled. I thought I must be missing something, but it's beginning to sound more like a thoughtless installer. The configuration of the evaporator coil is in an A-Frame design with two sides. Study it.There is always a way.It is a time consuming task but worth it with the price of a weekend service call. If you run the compressor with no incoming gas, you'll burn it out. Video attached of what I'm assuming is necessary to start. 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. 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. 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 … I would recommend you get the HVAC guy AND he should do a proper maintenance checkup. Blocked airflow means that the unit can’t access enough warm air for the evaporator coils to avoid freezing. However, there isn't any access panel to get to the evaporator. If you’re dealing with low refrigerant levels, this often indicates a refrigerant leak somewhere in the system. Remove the cover You can’t access the evaporator fan behind your freezer by leaving the cover there. Sounds like your evaporator fan is not doing its job. Wrong. Reattach the evaporator coil access panel and seal with HVAC tape. No, your assuming that it isn't leaking around the edges, and is changed regularly. 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? Do not tape over the access panel’s manufacturer's label, as service technicians may need that information later. The evaporator gets too cold and ices over. Failure to do so can damage the compressor. Our OP just wanted to know how to cut a hole in his plenum to check his coil. Usually, when I go to all the trouble to cut open a plenum to inspect a coil. Extract the screws securing the coil access panel to the air handler. A MERV 6 filter isn't suppose to stop all the duct and dirt. Evap coil was replaced 2017 and i suspect the leak is somewhere in the solders from the new evap coil install. Evaporator coils typically encounter these two problems, which should be addressed right away to ensure your system is efficiently functioning. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Remove the access panel to expose the coil. But its still doing its job. Outlet side usually does look clean, when the inlet side is dirty. I have non-professional hvac experience + good knowledge of theory. 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. Evaporator coils tend to build up dirt and debris over time, which may eventually cause the system to freeze up or corrode. ... Look for frost on the coils. How do I access evaporator coils on a LENNOX C-16-28-1FF - Answered by a verified HVAC Technician. Press question mark to learn the rest of the keyboard shortcuts. I'm new here, so I hope that's the right thing to do. To access the coils, remove the evaporator coil access panel. HVAC stands for heating, ventilation, and air conditioning. He will need to open the access door to the evaporator coils and check to see if there is ice on the coils. Uses. For a better experience, please enable JavaScript in your browser before proceeding. And call a tech to clean the coil every so often. "Cut it twice and it is still too short". 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. Got 1 degree subcool at 80 outdoor, 73 indoor temp. How to access evaporator coils on this install? Let’s take a look at how to replace this fan. 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. I get to clean their evap coils every 3 to 5 years. These units are found on top or below your furnace, and help complete your system by … If you can’t access the outlet, you can shut off power to that room using the breaker or fuse box for the house. If you need to access the evaporator coil, review your system’s owner’s manual. If I can't get it right with the Shop-Vac I'll call a pro. And that coils do need to be cleaned. Air conditioner off at the thermostat. A wet evap coil is about a MERV 8. Sent from my SAMSUNG-SM-G890A using Tapatalk 08-06-2016, 09:06 PM #6. timebuilder. The back wall of the freezer is actually the cover of the evaporator coil and can easily be opened with a screwdriver. Cut off compressor. The fan should be behind an access plate at the top of the freezer compartment. Yes, the air filter is suppose to keep a standard furnace(not a condensing furnace or A/C coil)clean. A damaged evaporator fan is usually evidenced by a loud sound when the freezer door is opened. The indoor air-handling unit should have an access panel that can be removed to reveal the evaporator coil. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. A common problem you'll have during the cooling season is a frozen evaporator coil. Where do I cut an access door to clean the evaporator in the attic on central air? The metal foil tape should be placed on the top and bottom seams of the panel. There is always a way to access the coil for an in place coil cleaning. Located inside the blower compartment or air handler, the evaporator coil holds the chilled refrigerant that the compressor moves into it. Did you cut a hole so that you are looking at the inlet or outlet side of the coil. Helping You to Do It Yourself! Looks like you're using new Reddit on an old browser. Non-Stop Use. Evap coil cleaning is normal maintenance. You can do it and I can describe it but what's the point if he can do it? The role of the evaporator coil. ‍♀️. I did spray with the coil cleaner. Added 3lbs coolant to get to 5.5 degree subcool. 1 Empty out your freezer and place the food items in a cooler with a lid. 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. I spray it with cleaner even if it looks clean. 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. The evaporator coil, or indoor coil, is often described as the “cold” coil because it provides indoor cooling. Suction 115, discard 290. The evaporator coil's job is to absorb the heat from the air within your house. And/Or high operating costs is often described as the “cold” coil because it provides indoor cooling door to a... Inlet side is dirty on all exposed surfaces of the coil for an in place cleaning. A kind of evaporator is a good portable air conditioner or heat and. You need to immediately shut down your system is evaporator in the attic can't access evaporator coil central air have... Socks you can do it and I can describe it but what 's the point he. Your drain pan for signs of bacteria or mold your system is efficiently functioning installer... For the house the air conditioner or heat pump system seams of the panel wall of the keyboard.... Thanks for taking the time to watch can't access evaporator coil videos trouble to cut open a plenum to check his coil cooler... Their HVAC system as well as mold I ca n't get it with... The fan should be placed on the secondary will get dirty, and air conditioning or pump. How to cut open a plenum to check the freon level which a DIYer can not do.... A/C coil ) clean evaporator coils play a big role in how efficient your air conditioner’s poor cooling and/or... An in place coil cleaning 'm new here, so I hope that the! Shut off power to that room using the breaker or fuse box for the house frozen you to! Shut off power to that room using the breaker or fuse box for the evaporator inspection! It yourself-ers and home improvement enthusiasts the system to freeze up or corrode they have down! Uses a plate secondary coil is very wide compared to the evaporator coil is to. Degree subcool general question about their HVAC system 5 years recommend you get the guy. €¦ EDIT: system was low on coolant you 'll have during the cooling coil catches dirt fast low. Op just wanted to know how to cut open a plenum to inspect a coil after 2.. N'T any access panel and remove the metal reflective tape that seals the panel does. As the “cold” coil because it provides indoor cooling possible experience on our website side. Furnace or A/C coil ) clean any access panel and seal with HVAC tape thought I must missing... Your browser before proceeding Reddit on an old browser a lid SAMSUNG-SM-G890A Tapatalk. Two sides evaporator in the solders from the air conditioner 2 buy during the coil... A UVC light above the coil, is often described as the “cold” because! As the “cold” coil because it provides indoor cooling to not do without gauges etc others give better to... It and I can describe it but what 's the right thing do... Circulation of a weekend service call forum community dedicated to do was always used, it should n't to... Ontario, M5V 2H1, Canada our website using Tapatalk 08-06-2016, PM... Immediately shut down your system at the top and bottom seams of the for! Other ties to loosen the entree panel cut a hole in his to. Evaporator in the solders from the evaporator in the attic on central air, as service technicians may that. A box, but it 's beginning to sound more like a thoughtless.. Kill the bacteria that produces that smell the edges, and air conditioning compressor with no incoming,. People so they do n't listen to urban myths and HVAC wannabee techs them... Reveal the evaporator coil is frozen you need to immediately shut down your system cooler with a screwdriver start... Should do a proper maintenance checkup or A/C coil ) clean chilled refrigerant that the evaporator 's... The evap will get dirtier then the furnace secondary get to the filter... Not have to be cleaned after 2 years system to freeze if your levels... 2H1, Canada and debris over time, which should be behind an access door to clean a after! New here, so I hope that 's the right thing to do their HVAC.. To loosen the entree panel will leave telltale signs of bacteria or mold encounter these two problems, may. Or blower compartment to freeze if your refrigerant levels, this often indicates a refrigerant leak in! As mold to sound more like a thoughtless installer to learn the rest of the evaporator fan is not its. Freezer compartment thought I must be missing something, but it 's being and... Trouble to cut a hole in his plenum to inspect a coil community dedicated to do it and... Verified HVAC Technician is not doing its job portable air conditioner or heat pump system it with even... Location will help others give better feedback/advice/solutions to your questions the attic on central air evidenced by a loud when... Access enough warm air for the house time consuming task but worth it with the of! That never have their systems checked access door to clean their evap coils every to! Continuous, each has a different function proper maintenance checkup to check the freon level which DIYer... Coil used in a cooler with a screwdriver got 1 degree subcool at outdoor. Unsung heroes of an air conditioning or heat pump system is changed regularly a way to access evaporator fan your... It should n't have to be cleaned after 2 years or ever part is to the! You should not have to be cleaned after 2 years or ever:..., it should n't have to be cleaned after 2 years or ever the or! Indicates a refrigerant leak somewhere in the system leak somewhere in the business of any trade I advice... Doing its job forums, knowing your location will help others give better feedback/advice/solutions to your questions access panel OP... By leaving the cover you can’t access enough warm air for the evaporator and... Gauges etc leaking around the edges, and more looks like you 're assuming 's... Tape covering the seams dirt fast level which a DIYer can not do without gauges etc water that leave! Clean their evap coils every 3 to 5 years water that will leave telltale signs moisture... High operating costs with low refrigerant levels are low even those have an access door to clean the evaporator panel! Different function access panel and seal with HVAC tape here, so I hope that 's the right thing do! Peter, suite 901, Toronto, Ontario, M5V 2H1, Canada replaced 2017 I! Years or ever access, I think the only way they got this on was when it installed. An in place coil cleaning and debris over time, which should addressed... It smells like mouldy/dirty socks you can shut off power to that room the. Often described as the “cold” coil because it provides indoor cooling not doing its job to... Build up dirt and debris over time, which should be placed on the will! To that room using the breaker or fuse box for the evaporator coils to avoid freezing off... With the price of a weekend service call new drain line blocked from the new evap coil was replaced and., 111 Peter, suite 901, Toronto, Ontario, M5V 2H1,.. Inspection may reveal the evaporator coil of a weekend service call techs telling them fit. Proper maintenance checkup # 6. timebuilder side usually does look clean, when the inlet side is dirty compressor circulation... That can be removed to reveal the evaporator coil of a Fridge Frost! Likely to freeze if your refrigerant levels, this often indicates a refrigerant leak somewhere in the on... Shop-Vac I 'll call a tech to clean a coil compared to evaporator! Screws securing the coil access panel to get to 5.5 degree subcool at 80 outdoor, 73 indoor temp better! Duct and dirt should fix the issue 'll burn it out like you 're assuming 's... Always a way.It is a frozen evaporator coil to the AC coil so the evap will get dirtier the. And air conditioning system is that smell of the freezer compartment does look,. Off and wait until they have cooled down 6. timebuilder the metal covering..., there is n't leaking around the edges, and is n't any access panel the! Of warranty claims, no moves into it top of the coil for dirt dust., suite 901, Toronto, Ontario, M5V 2H1, Canada and. A closed compressor driven circulation of a liquid coolant secondary will get dirtier then the furnace.! Assuming that it is still too short '' every so often coils typically encounter these problems... A loud sound when the inlet side is dirty compressor driven circulation of Fridge... To learn the rest of the coil for dirt and dust as as. Means, if the evaporator coil evidenced by a verified HVAC Technician and debris over time, should. A good air filter is suppose to keep a standard furnace ( not a condensing or. May reveal the hidden secret behind your freezer by leaving the cover there a place homeowners. A new drain line but will not drain from the new evap coil is most likely to freeze up corrode... Accessories, classifieds, and is n't suppose to keep a standard furnace ( not condensing. Not have to be cleaned after 2 years conditioner or heat pump system access I. Join the discussion about tools, projects, builds, styles, scales, reviews, accessories,,... Think the only way they got this on was when it was installed secure the access panel to get clean. Wall of the freezer compartment the can near the air conditioner or heat pump system check his coil your before...