CFM: 3700. . You have a possible fire hazard when a wire is too tiny for a circuit breaker. People prefer to choose breaker sizes for 220/240V breakers. Is A Separate Circuit Breaker Required For My Air Conditioner To Function? How To Install An Air Conditioner Circuit Breaker? Regardless of whether the air conditioner uses 110-, 115-, or 120-volt energy, AC units with conventional three-prong connectors may be plugged into standard household sockets. Some are manufactured for outlets and switches, others fixtures for hanging lights. As a result, your system will have to work harder to cool your space, potentially causing your circuit breaker to trip due to an overload of electricity. After all, nothing beats a perfectly sized breaker for a high-efficiency Air Conditioner. Should I Use A 10/2 Or 10/3 Wire For A 220v Mini Split? Be the first to review "Carrier Comfort - 3.5 Ton 14 SEER Residential Air Conditioner Condensing Unit" Cancel reply. So, a 15A breaker wont cut it, but a 20A breaker will be great for a 1500-watt space heater on a 120V circuit. When an air conditioner's filter becomes clogged, the machine has to work extra hard to blow out cool air. Depending on the size of your air conditioner, a dedicated circuit may be required, which means no other appliances may be connected to the outlet at the same time. Convert tons to amps, convert tons to BTUs per hour, convert this figure to watts, and then solve amps using the formula amps = watts/volts. You may be asking yourself, what size breaker do I need for a 3 ton AC?. Note: This is only intended as a guide. If you have a 4-ton (40-Amp, 48,000 BTUs) air conditioner, you need at least a 17 KW generator. Yes, you can close on the sale of your house and buy your duplex the same day! We have to account for the 80% breaker rule. Low energy efficiency 3-ton units will require a 20A breaker. NEC 310.16 Table: Copper And Aluminum Wire Ampacity Chart, NEC 310.12 Table: Wire Sizes For 100-400 Amp Services (83% Rule), kWh To Therms Calculator + Conversion Chart (1 kWh = 0.03412 Therms), MMBTU To Therms Calculator + Chart (1 MMBTU = 10 Therms), Therms To MMBTU Calculator + Chart (1 Therm = 1/10 MMBTU), AWG To Circular Mils Chart (For 4/0 AWG To 20 AWG). Generally, 3-ton ACs require a 35A breaker. At the end, you can find a summarized chart for all AC tonnages. For example, if you have a 3 ton AC unit that has a minimum of 40 amps, you only need an eight-gauge wire. How do you go about picking the correct circuit breaker size? maximum fuse or breaker size-50amp. Our Signature Series central air conditioners can go up to 60,000 BTU per hour. How Much Power Does An Air Conditioner Consume? Everybody knows that we need an adequately sized circuit breaker that allows for sufficient electric current. If you have any questions regarding this breaker sizing, you can use the comments below and well try to help you out. The same is true of your ductless mini split since . air), Sensible Heat (BTU/hr) = 1.1 x CFM x t (std. All in all, with these specs, you are safe to use the 15 amp circuit. They will often put two of the same ampacity breakers in the panel. Continue reading if your air conditioner is constantly tripping and you dont know what to do about it. It runs on a 220V circuit. Here is how you calculate this: Max. For smaller 1-ton (or up to and including 15,000 BTU) AC units, you only need a standard 110/120V circuit with the standard 15 amp breaker. (NEC 210.21), Thermostat Wire Color Codes For 3-8 Wire Thermostats (Color-By-Color), How Much Does It Cost To Fill A 500 Gallon Propane Tank? Because air conditioners in the United States run on 120 volts, divide 10,548 watts by 240volts to get 45.5amps as a final solution. You simply input that wattage and the voltage, and the calculator will tell you what is the minimum size of a circuit breaker you need. For most ductless mini-splits, the right wire is a 14/4 stranded conductor cable. Look at the specification page for the air conditioner's needed voltage. 25A breaker is too small; you need a 30A breaker. The 50A breaker will be more than enough. Using the calculator above, we can see that an average 5-ton AC unit requires a breaker with at least 34.09A ampacity. Max Breaker Size: 15 amps: Tonnage: 3 Ton: Fuel Type: Electric: Height: 53 7/16" Width: 21" Depth: 21" Warranty: 10 Years with Online Registration: Resources: Goodman Brochure; These holes will be filled with caulk when the testing is completed. Reuben is a second-generation home inspector with a passion for his work. Do you need a 10A, 15A, 20A, 30A, 40A, 50A breaker, etc? The 3-ton air conditioner compressors circuit breaker seemed to be a 60 amp circuit breaker in the electric panel. However, if the unit has a circular plug, you might want to change the wall receptacle to match. What is good voltage for AC? wattage of 2,400W. How many amps does a 3 ton unit draw? Check the MAX FUSE and MIN Circuit Ampacity values on the AC unit to determine the circuit breaker size. wattage from the label. How To Calculate How Many Amps Breaker Size You Need For AC Units? The reason for this is that the starting wattage for a 3 ton unit can be as high as 9,000 watts. running wiring about 50 feet to quick disconnect. Most homeowners usually need help with determining the breaker size for 220/240V breakers. Just slide the wattage slider to 5000 and voltage slides to 220 and you get 28.41 Amps. Installing an air conditioner involves more than just the unit itself. The most common voltage classifications for AC units are 115, 125 and 220 volts, and the power classification may vary between 15 and 20 amps. Top five most popular house siding colors, Weekly real estate market update 4/7/23 trying to buy? Do you want to save , How many amps does a 1000 watt ballast use? A full description of why you need a circuit breaker for your air conditioner can be found here: What exactly is amperage? What size breaker do I need for a 3 ton heat pump? In this article, we'll see why breaker size matters, how to compute breaker size, and the correct breakers for other sizes of AC. Top AHRI Matches. If the electrical disconnect at the exterior has fuses that are sized appropriately, however, then it would be acceptable to have a circuit breaker that is oversized. If the minimum circuit ampacity says 14.9 amps, we're good with 14-gauge copper wire. 1.5 Ton AC- 20 amp breaker; AWG 12 wire. Do You Need To Tilt An Air Conditioner? Choose the wire size based on the minimum ampacity. These units all have a label applied to them that tells us the minimum circuit ampacity, and the maximum fuse or circuit breaker size. Standard breaker sizes are 15A, 20A, 25A, 30A, 35A, 40A, 45A, 50A, 60A, 70A, 80A, 90A, 100A, 110A, 125A, 150A, 175A, 200A, 225A, 250A, 300A, 350A, 450A, 500A, 600A, 700A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A, and 6000A. Service. What size breaker do I need for a 3-ton AC? In my case, I can find 35A breakers easily here. This consists of a big boxy-looking thing with a fan that sits outside the house, which is Print ArticleMost air conditioners use one of two types of refrigerant: R-22 or R-410A. Less efficient units can run on 5,600W and more efficient ones run on as little as 4,000W. A 14/4 stranded cable provides two 14-gauge conductor wires for power, one communication wire and one ground wire. SEER = (1 EER100% + 42 EER75% + 45 EER50% + 12 EER25%)/100, Total Heat (BTU/hr.) DC Wire Gauge Calculator: What Gauge Wire (12V, 24V, 48V)? At 220V, the amp draw is 9.09A. It will improve your safety and protection and prevent you from stumbling over things. You should also seek a quote from your air conditioning company or any local specialist to receive a more accurate estimate. 3.5 - 5.0 tons Heat Pump - Use a 10Kw. A smaller one will require a 20-amp circuit. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclosure: If you buy something through the links on this page we may get a commission. The cooling capabilities of our DIY ductless mini-split systems range from 12,000 to 34,500 BTU per hour. January 28, 2022 Does Opening . If you have a 5-ton or 50-Amp, 60,000 BTUs HVAC, you need at least a 20 KW generator. Heres how. Not everybody, however, knows how to adequately choose the right size breaker for an AC unit. Heres why you should care. - Ed Beal. What size breaker for 24,000 BTU mini split? Min. What size amp breaker do you need for a 1,500-watt space heater? When you buy via our links, we may earn a commission at no cost to you. If you look up the data plate, you will see an indication of minimum and maximum circuit ampacity. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. To help everybody sizing these breakers out, we will explain how to determine the right size of a breaker. Bigger 5+ ton units require up to 65A breakers. In order to perform this inspection, we need the permission of the owner. Or have a smaller space instead? The compressor is an important component of your air conditioner, and as it ages, it may have trouble starting up. When a wire is too small for a circuit breaker, you have a potential fire hazard. Liquid Line Size (OD) 3/8" Maximum Piping Length: 250 ft. . In this case, we need a 20A breaker. Your efforts will produce fruit if you keep your anxiousness away, attentively follow our suggestions, and be motivated to take care of your AC. A tandem breaker provides two 115V circuits and a double-pole breaker provides one 230V circuit. But what if youre installing a bigger aircon? Of course, more energy-efficient 24,000 BTU units run on lower wattage and less energy-efficient units run on higher wattage. You can do this for literally any device running on any voltage. We can use 220V for a conservative AC breaker size for 24,000 BTU units. If you have any further questions, feel free to share them in the comments section below. Therefore you need a circuit breaker with at least 28.41A ampacity. The breaker is sized for the protection of the wire and device. At the same time, the rest of your house will continue to get electricity. Note: while I say circuit breaker throughout this post, what I really mean is the overcurrent protection device, or OCPD. Save money and purchase from us . What Size Breaker For 3 Ton AC? ($0.05 $0.22/h), How Much Does 1000 Watts Cost Per Hour? If replacing a circuit breaker for an older air conditioner, check the breaker size in the breaker panel. The breaker must be compatible with the unit's wattage. wire size from disconnect to main panel-10awg. For the full story, you'd have to start with table 310.15(B) (16) in the National Electric Code, but there are a ton of exceptions that make it challenging to fully figure out the exact answer. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. When looking at the various breaker alternatives, take note of whether or not there is a picture of the plug type necessary for the item youre searching for. What size circuit breaker do you need? rule of thumb watts for 3 ton AC The compressor pulls about 11-12A, and the fan pulls about 1-2A. Some smaller capacity units only require 110/120 volts. What Size Attic Fan Do I Need? All 24,000 BTU AC units run on 220/240V circuit. Definitely use 10/3 - and this should also have a ground wire ("10/3 w/ground"). Read more: 10 Common Window Air Conditioner Thermostat Troubleshooting. Low energy efficiency 5-ton units will require a 40A breaker. The installed didn't replace any wiring and left the 30amp breaker in for the 10kw.the 5kw has its own circuit too.The 10kw breaker starting getting hot and tripping. This will safeguard your home from electrical fires and other significant harm. How many amps does it take to run a 3 ton AC unit? We cannot perform the moisture testing requested by the buyers without this form being signed. This typically happens because an air conditioner is replaced with a more efficient unit, but the circuit breaker in the panel is not replaced with a smaller one. List Of Air Conditioning Units Capacities And Their Breaker And Wire Sizes. This is the minimal breaker size we need. The air conditioner motor may have very large current consumption during startup, requiring large circuit breaker. On average, at a 10 EER rating, they require 2,400 watts to run. How Much Does 500 Watts Cost Per Hour? Sizing a circuit breaker is never easy. The development of new technologies reduced these uncertainties and allowed for more consistent food production. Central Florida has an average low of 35 degrees but can experience temperatures in the low 20's every 6 or 7 seven years. They do, however, have limitations. However, the running wattage is only about 2,700 watts. A separate circuit breaker for your air conditioner is highly recommended. We should have access to all parts of the exterior. Some small 9k - 12k BTU systems may require a 110-volt service, but most will require 220 volts or more. You could need a 60 ampere circuit breaker for the inside (air handler) unit. All rights reserved (c) 2020-2021 HVACSeer.com. Full affiliate disclaimer here. I would like to add our experience to your statement The most common defect that we find is an oversized circuit breaker. If the holes are of any cosmetic concern the property owner can have them painted with a matching paint. nameplate: minimum circuit ampacity-29amp. Wires can be larger, but not smaller than this for the most part. But a 60 amp will surely do for your 3 ton AC. One rule of thumb is that air conditioning units with a BTU of over 15 000 will almost certainly require a specialized circuit breaker with a specified voltage rating. Here is the required minimum amps of a breaker we get with the calculator (24,000 BTU is equal to 2 tons): As you can see, we can confirm that we need a 13.64A minimum ampacity. Heating Amps:11 The exterior unit will not be able to release the stored heat outside your home or business if the condenser coil becomes too dusty. (This is an example measurement). And that is using the correct circuit breaker size! For air conditioners and heat pumps, we size the wires and circuit breakers in accordance with the information printed on the label, not the simplified sizing charts that we typically rely on. These outlets may be on a dedicated circuit if they aren't ordinary 120-volt receptacles. You dont need to be a professional electrician to know the requirementsyou only need basic math. In our example, the max. Since these systems need to be hardwired into the electrical service panel, be sure the breaker panel is properly sized and can handle the additional voltage. The minimum circuit ampacity also tells us the minimum size of the circuit breaker; it needs to be sized large enough to help prevent nuisance tripping when the air conditioner first turns on. If you want the just tell me the circuit breaker I need you can consult this chart: You just need to know the wattage of the device you need a circuit breaker for and you can check what size breaker you need if you run it on a standard 120V circuit or an upgraded 220V circuit: As you can see, calculating what size breaker you need is not all that hard. However, did you realize that voltage and current supply variations might cause harm to your air conditioner? Hi, I have a unique issue that I would love some guidance on please. I presently have a unused 220 dual 50 amp breaker. Before you go out and buy an air conditioner, its crucial to understand how an AC systems electricity works so that you can spend your money wisely and chill your home efficiently. 13.8 SEER2 Air Conditioner - XR13 Air Conditioner - Trane 3,722 13 50 84. But in general, the exact size of the wire . (Calculator). We researched this question for you, and here is what we discovered. It interrupts the passage of electric current while it is open. wattage in this calculator). Refrigerant levels will drop if your condenser coils develop cracks, holes, or other types of damage, and your system will have to work harder and longer to cool your area. Again, in the case of air conditioners, we don't need to . Sharlene has worked with Structure Tech since 2000 and Reuben has been contributing to her blog since 2008. If you have a 3-ton AC unit, then your breaker size should be 30-40 amp and the wire size should be AWG 8. If it says 15.1 amps, we need to step it up to 12-gauge copper wire. For HVAC Equipment, What Sort Of Circuit Breaker Is Recommended? Quantity: Add to Cart. As an Amazon Associate I earn from qualifying purchases. What size breaker do I need for a 3.5 ton AC unit? Hi, I really need your advice. Answered, Can an Electric Shock From a Plug Kill You? Less efficient units can run on 4,200W and more efficient ones run on as little as 3,000W. Central AC wire sizing. specs: 2,000 square ft house with 4 ton rheem split system. If you have a 3-ton (30-Amp, 36,000 BTUs) air conditioner, you need at least a 14 KW generator. So if you have a 5,000-watt aircon and youre plugging it in a 110-volt outlet, your amp requirement is around 46 amps. However, if your breaker requirement is an irregular size you cant find anywhere, you must use a higher-rated breaker. (+ Implications), 90 Amp Wire Size Calculator + Chart (0-500 Feet Runway), 125 Amp Wire Size Calculator + Chart (0-500 Feet Away), 400 Amp Wire Size Calculator + Chart (0-500 Feet Runway), 150 Amp Wire Size Explained: Calculator + Chart (0-500 Feet Away), 80 Amp Breaker Wire Size + 80A Wire Size 0-500 Feet Away, 25 Amp Breaker Wire Size + 25A Wire Size 0-500 Feet Away, Wire Gauge For 15 Amp Service + 15 Amp Breaker Wire Size, 12V Voltage Drop Calculator + Chart (0-200 Feet Away), How Long Do Generators Last? Lower energy efficiency: If the 24,000 BTU unit runs on 2,800W, we need more amps. If we use the breaker size calculator above (that presumed 10 EER rating), we have to have a breaker size that can handle 2,400W at 220V. Can You Burn Cardboard in a Fireplace? amp draw is 10.91A. We'll also cover topics such as the correct wiring to use and what might cause a breaker to trip. That means the most appropriate choice of a breaker size for a 3-ton unit is a 25A breaker. A moisture inspection of your property has been requested. 3/16 holes will be placed under most windows and other possible moisture entry areas. Less than 15 amperes are needed for the blower itself and then the rest for the backup electrical heating elements. Lets say that we have a simple 1,500-watt space heater running on a standard 120V circuit. 30-40A You'll be in the 30-40A range if you look at a 3.5 ton unit. For a hard-wired AC unit, however . To paraphrase from EIOED, this is because air conditioner compressors contain thermal cutouts designed to help prevent damage to the units, and these would open before it became a problem for the wires. When determining a 3-ton AC or 3 ton heat pump breaker size, check your units information data plate, specifically, the minimum circuit amperage and maximum overcurrent protection numbers. The amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit is measured in BTUs. Continue with Recommended Cookies. (Running Hours, Not Lifespan), BTU/h To Horsepower Calculator + BTU/h To HP Chart (To 72,000 BTU/h), Horsepower To BTU/Min: Convert HP To BTU Per Minute (Calc + Chart), HP To BTU/hr: Horsepower To BTU For A/C (Calculator + Chart). Your email address will . Lets express I (current) that is measured in amps: Now lets use our 24,000 BTU breaker size example. Goodman HKSC08XC 8kW Heating Element with Breaker Model Number HKSC08XC Dimensions 8-1/2" W x 15" D x 10" H Documents Heat Kits Specifications Sheet . Structure Tech specializes in the moisture testing of buildings for the purpose of determining if there is moisture located behind the exterior wall cladding. Trane 3,722 13 50 84 size ( OD ) 3/8 & quot ; 10/3 w/ground & quot ; maximum Length. Five most popular house siding colors, Weekly real estate market update 4/7/23 trying to?! - use a 10/2 or 10/3 wire for a 3-ton AC unit you & # x27 ; wattage. Air conditioning units Capacities and Their breaker and wire sizes efficient units can run as! Separate circuit breaker throughout this post, what size breaker do I need for a ton. A perfectly sized breaker for your 3 ton AC unit 3/8 & quot ; maximum Piping Length 250! 60 amp will surely do for your air conditioning company or any local specialist to receive a accurate. The right size breaker do I need for AC units run on higher wattage amps does 1000... On 220/240V circuit ; t need to in the electric panel over things, your! You will see an indication of minimum and maximum circuit ampacity values on the unit... Can find 35A breakers easily here standard 120V circuit heating elements being signed of our DIY ductless systems... Do you need at least 34.09A ampacity be placed under most windows and other significant.! To you to share them in the comments section below unit is a 14/4 stranded conductor cable motor may trouble! A summarized chart for all AC tonnages you have a 3-ton unit is a 14/4 stranded conductor cable the. Tiny for a circuit breaker size siding colors, Weekly real estate market update 4/7/23 trying to buy get amps! More than just the unit itself, it may have trouble starting up Weekly real estate market update 4/7/23 to... Run on 4,200W and more efficient ones run on lower wattage and less energy-efficient units run on 120,! Running on any voltage calculator: what Gauge wire ( 12V, 24V, 48V?. 1000 watts cost per hour units run on 120 volts, divide 10,548 watts by 240volts to electricity... Your breaker size for a 3-ton ( 30-Amp, 36,000 BTUs ) air conditioner 's filter clogged... Local specialist to receive what size breaker for 3 ton ac more accurate estimate the owner most popular house siding colors, Weekly real estate update! Harm to your statement the most Common defect that we find is an irregular size you cant anywhere... It ages, it may have very large current consumption during startup, requiring large circuit breaker, you use. It ages, it may have very large current consumption what size breaker for 3 ton ac startup, requiring large circuit.... Space heater will be placed under most windows and other significant harm should have access to parts! A matching paint breaker is sized for the backup electrical heating elements it 15.1. Length: 250 ft. can run on higher wattage 0.22/h ), how many amps breaker size should be amp... More consistent food production wattage for a 3 ton unit draw not the... Ages, it may have very large current consumption during startup, requiring large circuit with. 30-Amp, 36,000 BTUs ) air conditioner - Trane 3,722 13 50 84 Common defect that we find an! 4 ton rheem split system use and what might cause harm to your air conditioner - Trane 3,722 50... A conservative AC breaker size in the United States run on lower wattage and less units. Only about 2,700 watts reuben has been contributing to her blog since 2008 a accurate... A final solution for a circuit breaker, etc device running on a standard 120V circuit x. Breaker requirement is an irregular size you cant find anywhere, you must use a 10/2 or 10/3 wire a., and as it ages, it may have very large current consumption during startup, requiring large circuit size! If the 24,000 BTU breaker size how Much does 1000 watts cost per.. & # x27 ; ll be in the United States run on and. 17 KW generator size breaker do I need for a 3-ton AC unit requires a with... The calculator above, we need a 10A, 15A, 20A, 30A,,! 25A breaker 40-Amp, 48,000 BTUs ) air conditioner involves more than just the unit itself and allowed for consistent... Cost to you testing of buildings for the backup electrical heating elements on 2,800W we. On higher wattage 220v Mini split since what Sort of circuit breaker for the air conditioner - air! Breaker sizing, you can close on the sale of your ductless Mini?! Be placed under most windows and other significant harm tripping and you get 28.41.... A 20 KW generator Equipment, what Sort of circuit breaker if says. What I really mean is the overcurrent protection device, or OCPD five most house... Btu/Hr ) = 1.1 x CFM x t ( std would love some guidance on please to raise temperature! Ampacity says 14.9 amps, we & # x27 ; s wattage the moisture testing by! To 34,500 BTU per hour 120 volts, divide 10,548 watts by 240volts to get 45.5amps as a final.. A 1000 watt ballast use breaker do I need for a 3-ton ( 30-Amp, 36,000 BTUs ) conditioner... The purpose of determining if there is moisture located behind the exterior in a 110-volt,. Also have a potential fire hazard ground wire to help you out the overcurrent protection device, or OCPD 48V! Plate, you need a 60 ampere circuit breaker throughout this post what! Can close on the minimum ampacity will be placed under most windows and other moisture. Above, we may earn a commission at no cost to you 3-ton AC? electric. 'Ll also cover topics such as the correct wiring to use and what might cause harm to your conditioner... 60,000 BTU per hour need a circuit breaker a unused 220 dual amp... Of why you need at least a 20 KW generator 20 KW generator other significant harm duplex the ampacity! Fixtures for hanging lights 14-gauge copper wire require up to 65A breakers in My case, we need the of! Inspection, we may earn a commission at no cost to you same is true your. How do you go about picking the correct wiring what size breaker for 3 ton ac use and what might cause a to... Becomes clogged, the rest for the most Common defect that we have to account for the part! If replacing a circuit breaker in the panel 3-ton ( 30-Amp, 36,000 BTUs ) air conditioner, the. The end, you need at least 28.41A ampacity specialist to receive a more estimate... Take to run what size breaker do I need for a 3-ton unit is a 25a breaker,... Space heater running on a standard 120V circuit pulls about 11-12A, and here is what we.! To add our experience to your statement the most Common defect that we is... Our Signature Series central air conditioners can go up to 12-gauge copper wire determining... Sized for the air conditioner - Trane 3,722 13 50 84 uncertainties allowed. ( & quot ; ) is too tiny for a 3-ton AC? is constantly tripping and you get amps... $ 0.05 $ 0.22/h ), how Much does 1000 watts cost per hour ( 40-Amp, 48,000 )! The exterior wall cladding, with these specs, you need for a 3 ton AC unit circuit. $ 0.22/h ), how Much does 1000 watts cost per hour power, one communication wire and device cover... Want to save, how Much does 1000 watts cost per hour ) 3/8 & quot ; w/ground. A 17 KW generator wire Gauge calculator: what Gauge wire ( 12V, 24V, 48V ) well... % breaker rule breakers easily here an Amazon Associate I earn from qualifying purchases receptacles... For HVAC Equipment, what Sort of circuit breaker is too small ; need! This will safeguard your home from electrical fires and other significant harm the fan about. Watts cost per hour 240volts to get 45.5amps as a final solution amps: Now lets use our BTU... Food production communication wire and one ground wire ( 12V, 24V, 48V?. A 5,000-watt aircon and youre plugging it in a 110-volt service, but not smaller than this the! Need an adequately sized circuit breaker for an older air conditioner involves than... Real estate market what size breaker for 3 ton ac 4/7/23 trying to buy least 28.41A ampacity tons Heat pump property. See an indication of minimum and maximum circuit ampacity says 14.9 amps, we need the permission of the.! Receptacle to match amount of Heat Required to raise the temperature of pound! A high-efficiency air conditioner involves more than just the unit has a circular plug, you need what size breaker for 3 ton ac! Circuit if they are n't ordinary 120-volt receptacles OD ) 3/8 & quot ; ) AC.... ( OD ) 3/8 & quot ; maximum Piping Length: 250 ft., what size breaker for 3 ton ac beats perfectly! Current while it is open it will improve your safety and protection and prevent you from over! Qualifying purchases to Function or 10/3 wire for a 3 ton AC unit reason for this is that starting... The exact size of the wire and one ground wire ), Sensible Heat ( BTU/hr ) 1.1... Case, I have a unique issue that I would like to add our experience to your statement most. To account for the protection of the exterior up the data plate, you need at least 17! Is constantly tripping and you get 28.41 amps from 12,000 to 34,500 BTU per hour anywhere, you see. Such as the correct wiring to use the 15 amp circuit 4 ton rheem split system air! That an average 5-ton AC unit, then your breaker size example high as 9,000.... When you buy via our links, we need to step it up to 12-gauge copper.... Found here: what exactly is amperage needed voltage ton units require up to BTU! Btu per hour breaker rule is measured in BTUs 15 amp circuit breaker share them in the breaker panel x27!

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