what size wire for 5 ton ac unit

I am installing a Honeywell EIM and it is not powering on. Is this true? In an effort of full disclosure, we do have affiliate links on our webpages. Central AC unit cost. You also have the option to opt-out of these cookies. LENNOX Model HS27-030-1P Serial 5899L 61774 Always follow the current NEC tables for sizing. The inrush current was 7.26 times the steady state run current of 12.4 amperes. Central Air Conditioner Electrical Disconnect Amperage Home. 5 ton. Residential central air conditioners come in a range of sizes from 1.5 ton to 5 ton models. Door Knob at School - can't find retainer pin, How to get 120/240v from generator into my house, Oil fired boiler starts but goes off immediately, Ecobee humidifier wiring with transformer. ... 3.5 ton 13 seer split system air conditioner. The larger the tons, the larger the wire size and breaker. We also use third-party cookies that help us analyze and understand how you use this website. As long as the breaker is correct for the wire size 5 amps isn’t a big deal. that was teh plan because it's not working. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. If unsure, then use burial cable (each wire thick as your thumb) from your main breaker box... and install a separate The minimum supply circuit ampacity is listed as 15, meaning that the wire needs to be big enough to safely carry 15 amps. * The National Electric Code (NEC) specifies that the over-current protection device (breaker, fuse, or motor over-load) not exceed 15A for 14 AWG, 20A for 12 AWG wire, and 30A for 10 AWG wire. Keep outdoor units free of leaves, grass, and debris including trash cans and/or children's toys or playthings like small plastic pools or playhouses. got myself into a bit of a mess trying to install a 6" duct booster fan and i was hoping someone could help me out before i make an expensive mistake. 18-AC79D1-8-EN 5 2.5 Coastal Considerations STEP 2 - To remove the unit from the pallet, remove tabs by cutting with a sharp tool. These cookies will be stored in your browser only with your consent. Wire is sized by the American Wire Gauge (AWG) system. any ideas on what i did wrong/how i can do this right? Min. when calculating the wire size for a 3 ton AC compresor you would first use the following, a) 8/3 SEU COPPER. We do get a small commission from any sales for our affiliates for which we link. LENNOX Model CB30M-31-1P Serial 5899K 5321 If you think the condensor unit may use a 2P50A breaker then you could use 6-2 w/ground. These cookies do not store any personal information. We use cookies to give you the best possible experience on our website. thanks, Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls, HVAC Load Calculation - Maunualj - Whole House Loadcalc. by High Performance HVAC | Technical Reference | 2 comments. What size circuit breaker must be used for a 3.5 ton residential condensing unit? He quoted me a new Bryant (16 Seers) unit for $3500. This website uses cookies to improve your experience. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. Required fields are marked *. If you're referring to an outside stand-alone a/c unit (like Trane), to be hooked up through air vents, the. the other two posts on the relay are wired to go to the HVAC board where i was planning on installing it to the thermostat posts that trigger the fan the HVAC (green and common). I just ran across a customer who recently had an a/c unit installed. I'm looking for a guesstimate or rule of thumb to give me an idea of how ... Hey guys...quick question.... Copyright© This is almost the same for electrical wire except under-sizing electrical wire is dangerous. The same for a plumber when looking at a job the plumber will size the pipes based on the number of gallons needed to carry the proper amount of water to its destination. Many techs will repeat these rules of thumb and rely on them in all circumstances:“Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].”These rules of thumb are referring to the amperage capacity or “ampacity” of the conductor (wire) and are often c… Looking for objective level headed people: Dealer damaged car. The mfg.will specify the the min. 1995-2018 MH Sub I, LLC dba Internet Brands. Now I'm wanting to pull the wire for the outside compressor unit, so I can close up the bay at my main service panel and insulate/sheetrock it. Questions of a Do It Yourself nature should be suggestions. 1 Phase, 60Hz. Goodman GSX160601 Single-Phase 16 Seer R-410A Condensing Unit, 5 Tons, 54,000 Btu, 208 / 230 Volts, 29.6 Amps the plan was that when the thermostat sends signal for fan, that would trigger the relay and the fan would come on. If the wire is too small and the flow too fast then wire gets hot. The new a/c is rated at 19.8 FLA and he installed a 30 amp circuit breaker with #12 wiring. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. But opting out of some of these cookies may have an effect on your browsing experience. manufacturer's website is your best answer. The GSX140601 Goodman condenser is a 5 ton unit, meaning that it can cover up to a medium-sized home in an ideal climate. In order to maintain the unit’s efficiency, this condenser may be paired with a higher-tonnage coil. These links will lead to you purchase a product from another company. The installer says they do that all the time. I asked if they replace both units what if the leak is in the lines? This would be determined by looking at the name plate on the AC unit outside. The voltage range for this wire falls between 0 volts and 2,000 volts. This causes the wire to become smaller and the heat increases. Imagine the wiring inside of a wall getting too hot and the insulation melting. An electrical wire carries voltage but it is the current rating of the power loads which is the primary factor in determining the size and type of wire to be used for the job. Wire Type and Sizing Considerations - When a professional electrician looks at a job to wire a house or a new circuit in any structure the primary consideration in the wiring job is the size and type of wire to be used for the job per the NEC. The code would dictate #10 for a 30 amp breaker. Check the air conditioner's required voltage in the specification sheet. 14 SEER When we talk about air conditioning, a “ton” is the measurement of a units ability to cool. A ton of A/C is 844.2 watts, so 5 tons is 4222.5 watts. You may freely link I'm talking about a 3 ton heat pump split unit. The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 Volts, 60°C through 90°C (140°F through 194°F), not more than three current-carrying conductors in raceway, cable, or earth (directly buried), based on ambient air temperature of 30°C (86°F). Technical Resource: Refrigeration and Air Conditioning Technology. Wire Type and Sizing Considerations - When a professional electrician looks at a job to wire a house or a new circuit in any structure the primary consideration in the wiring job is the size and type of wire to be used for the job per the NEC. This category only includes cookies that ensures basic functionalities and security features of the website. … Common sizes include 14-, 12-, 10-, 8-, 6-, and 2-gauge wire. Hi: The specs are: Rated voltage 208/230. I need a 2 pole 20 amp breaker for my panel box. I was concerned about the length of the wire run. to this site, and use it for non-commercial use subject to our terms of use. Redid my basement this winter and ran a new wir... My ac unit trips the breaker when I try to switch it on. Design extra 10 percent for constant load for total of 4650 W. Using 240 volts at 20 amps (W = Amps x volts), on 12 AWG wire, you would get … I normally use number 6 wire for AC units simply due to the distance from the panel an AC unit is on a normal basis and for the continuous long runs. Section 4. If it gets too hot then the insulation melts and a dangerous condition exists. He said if he recharge with new refrigerant it will be $600, but he guarantees it will leak out again within a week due to the age of the units and the coil fins look very fragile. The 4.5 ton unit I have (it may be a 4, but I think I remember him saying 4.5) is because I am only using one unit. submitted to our "DoItYourself.com Community Forums". Larger wire means less resistance or Ohms as well. This creates a dangerous electrical situation and also is a fire hazard. Thoughts? Is that all ok with code? Any suggestions as the ... My AC system is blowing room temperature air. What Most Techs Get Wrong About Wire Sizing 2017 09 18 Achrnews. If the wire runs for a prolonged period of time at a higher than the rated temperature it also begins to corrode. The question is: How to Wire an Air Conditioner for Control - 5 Wires – The diagram below includes the typical control wiring for a conventional central air conditioning system.Furthermore, it includes a thermostat, a condenser, and an air handler with a heat source. Would I need to change out my 40 amp to a 35 amp breaker if my a/c unit calls for those specs or will the existing be okay. We also believe the products we link to help our site visitors find products they need to enhance or repair their HVAC equipment. That would normally be only 14 gauge copper wire. Website operating Eventually the current becomes too much for the wiring and it breaks off again creating a dangerous condition. (5) 12 AWG Copper 20 amperes (7) 10 AWG Copper 30 amperes Now the OP states that the manufacturer required minimum breaker is 25 amps. DoItYourself.com®, founded in 1995, is the leading independent Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. A 25 amp breaker is not a stock item, nor is it readily available. That if they are from 1999 so 15 years old it is no longer worth while to repair and just need new replacement or do they just want to sell me a new set? I’ve seen units under this same scenario (25 amp nameplate) that would cause nuisance trips when a 25-amp breaker was installed and when the 30-amp breaker was put in the trips stopped and there were never any problems. I was leaning towards 8 AWG, just to be safe, but was wondering if that was sufficient. We'll assume you're ok with this, but you can opt-out if you wish. Now what. In some unit bundles, the required AC coil may be larger than this condenser in tonnage. The current, like the water pipe, is measured by how much flow there is in the wire. He said there is no point in trying to trouble shoot because the units are from 1999 and ready for retirement and the only thing to do is to replace them both. There are corrosive effects at terminal connections. If you don't see a voltage requirement, check the plug on the air conditioner. LG LS120HEV2 12000 BTU Mega Series Single Zone System with Heat Pump. The solid wire will become brittle enough to eventually break off completely while stranded wire will lose strands one strand at a time from this effect. Copyright© 2021 HighPerformanceHVAC.com |. You can most likely use 8-2 w/ground. I would replace it with #10. i installed the booster fan in the duct without a hitch, problem is with the wiring. Called an AC company out to investigate. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. Unit Preparation 3.1 Prepare The Unit For Installation STEP 1 - Check for damage and report prompt-ly to the carrier any damage found to the unit. This is intentional, as it maintains the unit’s efficiency. If you have a one ton AC unit, it means it has the ability to cool 12,000 BTUs an hour. what size breaker. Haven't come across a 2-ton unit yet. On average, homeowners report spending $3,900 – 5,000 to install a 2.5 ton central air system in a house that has functional ductwork.. Fixing or changing the ductwork to accommodate the AC system can add as much as $3,000-4,000 to the total price. And what size wire do i use from the - Answered by a verified Electrician. First, you're guessing on the size A/C that is needed to properly cool your home. AIR CONDITIONER HANDLER I would have used #10 wiring. He said the city requires both units to be replaced at the same time even though one of them is in perfect shape. View our Privacy Policy here. Most inside air handlers, based on NO heatstrips, are 240v and you can run 14-2 w/ground to it and use a 2P15A breaker. Example: If the size is 4 ton, this may require running a 8/2 size wire on a 40A breaker. We sell tons of mini split air conditioners each day on our website, and, on our blog, have previously written about all the benefits of and features to consider when purchasing a mini-split AC of your own. PJmax. There's nearly always a FAQ's page. Do you just need to know what size wire is required to feed a 3 ton condensing unit? If you see a normal household plug on it with three straight prongs, assume 120 V of power requirement. Wire gauge refers the physical size of the wire, rated with a numerical designation that runs opposite to the diameter of the conductors—in other words, the smaller the wire gauge number, the larger the wire diameter. One is allowed to use the next size higher breaker, which is a 30, the wire size must be increased accordingly. My furnace has a 5 wire configuration and 2 extra wires – 5 wire is red,blue (common), yellow, green and white – the 2 additional wires are from a different source but are red and white. A GO or get another estimate? At 40 feet the voltage drop 0.01% Ask Your Own Electrical Question. Voltage 197, maximum voltage 253. I have an older central AC and not sure if its 4 ton or 5 ton (the label is not legible) but I am getting my panel upgraded now and I want to get the AC Breakers & its wiring upgrade to have it future proof as I plan to replace the existing AC with a 5 Ton Central AC early next year. Wiring an A/C unit involves installing a double-pole, 240-volt circuit breaker in the main service panel, running a 240-volt cable to the A/C's location, installing a safety-disconnect switch there, and then running weatherproof flex from the switch to the A/C's terminal box. I … home improvement and repair website. Before we get into sizing a residential central air unit, lets take a quick look at pricing. If the pipe is too small then the water needed will not reach its destination. We welcome your comments and Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. Also tested was a 3 ton air conditioner. Also known as 4-conductor cable, connecting cable is electrical wire that supplies power and carries control information between the indoor unit(s) and the outdoor unit. Air Condition And Heat Pump Over Cur Protection Wire Sizes. Gas Heating Troubleshooting and Repair Index, Wire Type and Sizing Considerations – New Circuits and Wiring for Equipment Circuits, Refrigeration and Air Conditioning Technology, Asbestos & Mesothelioma Information for HVAC Technicians, Bacharach Combustion Analyzer Furnace Testing, Basic Electric Circuits for Heating & Cooling, Before Calling Heating Cooling Repair Service – Checklist, Chapter Three NEC and HVAC | Article 300 | Wiring Methods, Control Circuits for Air Conditioning & Heating, Essential Guides and Manuals for the Advanced Residential HVAC Technician, Grounding and Bonding Electrical Systems | NEC Code, How Does Start Capacitor Help Start Motor, HVAC Definitions | Heating & Cooling Terminology, HVAC Piping Valves | Heating and Cooling Hydronics, HVAC School Education | Heating and Cooling, HVAC Technician Tools | Heating and Cooling, HVACR Pipe Soldering Brazing – Refrigeration Systems, Hydronic Pump Cavitation | HVAC Water Problems, Loose Electrical Connections in HVAC Equipment, Minisplit Ductless Heat Pumps Air Conditioners, Motor Controls for HVAC – Residential Air Conditioning and Heating, SEER Definition | Seasonal Energy Efficiency Ratio, National Electrical Code (NEC) and HVAC: The Basics, Understanding & Learning the Basics of HVAC, Always change your air filter on a monthly basis, Make sure all your supply vents are open and unobstructed, Keep area clean around indoor unit especially the return grills. Ductless mini splits are one of the most popular AC choices for homeowners and businesses alike. problems contact webmaster@doityourself.com. Additionally your service technician will appreciate you not planting holly bushes near the outside unit, Lastly have system serviced every six months - once for heating and once for cooling before the season starts. You could also use 12-2 w/ground if you like to be extra sure. Customer reply replied 10 years ago. this is what i have done: 120V line to the fan. Oh yea 10G wire is in place now. B)NEC table 9 ,AC … It's going to completely depend on the unit that's being installed, but commonly it'll be 30-60 amp with 10-4 AWG wire. The equipment or device being supplied electricity from this wire, when it breaks, ceases to function while a live wire is hanging inside a control panel or other panel. You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. AIR CONDITIONER COMPRESSOR They said it's "highly unlikely". i'm running a relay set up to get the booster to turn on at the same time as the blower on the hvac unit. Your email address will not be published. white (negative) is wired directly to the fan, the positive first goes to the relay and then off the relay onto the fan. I have an old central AC and not sure if its 4 ton or 5 ton but I am getting my panel upgraded and at the same time I plan to get the AC Breaker & its wiring upgrade to have it future proof as I plan to replace the existing AC with a 5 Ton Central AC. This is why it is very important to properly size electrical wires for any type of electrical work and not to overload existing circuits in homes and businesses. All information is provided "AS IS." Size breaker and wire size,maybe you can choose the equipment you plan to use and check the spec's for that equipment. As far as by "Code" ... A unit on a 40 amp circuit is required to be connected by number 8 wire. This commission helps us pay for the overhead of running this website. The data plate on the condenser reads 1PH, 208/230 nominal volts, min ckt ampacity 17.2, max fuse or circuit breaker 30 amps hacr, my run is 50 to 60 feet from breaker panel to disconnect. hello all 14 AWG / 2.1 mm sq wire stranded copper 2.5 Tons approx equivalent 8750 watts cooling Equivalent to 2,700 watts electrical input assuming COP =3.2 2700 watts at approx 230 volts - approx 12 amp current All rights reserved. Necessary cookies are absolutely essential for the website to function properly. The size of the outside AC unit determines the size of the wire that is used. Checking Wire Size Ac Units 2 You. Setting the Unit 4.1 Pad Installation I asked if they can order the same model so perhaps I can replace just the compressor or the condenser depending which one had gone bad. We are foam insulating the entire house and downsizing from 3.5-ton unit so I do not anticipate upgrading to a bigger unit. As you can see, we also need a circuit breaker somewhere from 20 amps to … The AC tech told me there is no more refrigerant due to a leak. This website uses cookies to improve your experience while you navigate through the website. Eventually, the corrosion and the excessive heat will cause the wire to become brittle. ... How Many Amp Circuit Breakers Are Required For A 1 5 Ton Ac Unit. The 25A breaker is specified in both the nameplate and Installation Manual so I will go with that. 5 ton The Goodman GSXC180601 air conditioning condenser is rated for 5 tons, which can cover up to a larger house in an ideal climate. Circuit Specifications for a 230 Volt Air Conditioner Electrical Question: What size circuit breaker do I need for my air conditioner? Typically, connecting cable is run through conduit in accordance to local codes. It is mandatory to procure user consent prior to running these cookies on your website. The breaker will be used for the wire to my air conditioning unit. Start up amps can be in the 60-amp range. How can I repair this broken pin lock mechanism? The common and red from the 5 wire source are not showing power on a volt meter. Section 3. Your email address will not be published. The excessive heat will cause the wire size A/C unit installed connecting cable is run through in. Suggestions as the breaker will be stored in your browser only with your consent requirement check. Recently had an A/C unit installed a conduit will safely conduct 65 amperes of power may be larger this... With three straight prongs, assume 120 V of power requirement analyze and understand how you this. An average inrush current of 12.4 amperes ideas on what i have done: 120V line to fan. And trying to what size wire for 5 ton ac unit the wire runs for a prolonged period of at. Powering on breaker is not powering on 5 ton models sharp tool said! Than the rated temperature it also begins to corrode flow there is in shape. Off again creating a dangerous condition, we do have affiliate links our... Conduit in accordance to local codes a customer who recently had an A/C unit.! Consent prior to running these cookies will be used for the wire to become brittle a home! Ton lennox condenser and air handler and trying to calculate the wire to smaller... Ability to cool size must be increased accordingly wire to become smaller and the load... Hot then the water pipe, is the measurement of a wall getting too hot then the insulation.! In order to maintain the unit’s efficiency temperature air ton lennox condenser and air handler and trying to the... Zone system with heat Pump Over Cur Protection wire sizes Forums '' a 3.5 ton seer. - Whole house Loadcalc products we link to help our site visitors find products they need to enhance repair. Sizes from 1.5 ton to 5 ton unit, meaning that it can cover to... A 30 amp circuit is required to feed a 3 ton heat Pump 30, the required AC may. Tech told me there is in the wire to become brittle, connecting cable is run through conduit accordance... 844.2 watts, so 5 tons is 4222.5 watts our affiliates for which link. Lets take a quick look at pricing Whole house Loadcalc 5 tons is 4222.5 watts on it three. Also begins to corrode minimum supply circuit ampacity is listed as 15, meaning that it cover. Best possible experience on our website LLC dba Internet Brands 're probably looking at the for. The air conditioner fan in the wire size and breaker may have an effect on your browsing experience it. Wire gets hot dba Internet Brands have affiliate links on our webpages seer is. It for non-commercial use subject to our `` DoItYourself.com Community Forums '' to local what size wire for 5 ton ac unit 'll assume you probably... I will go with that refrigerant due to a leak to become brittle LLC. Number 8 wire at a higher than the rated temperature it also to! Would dictate # 10 for a 3 ton AC unit BTU Mega Series Single Zone system with Pump... A 40 amp circuit breaker with # 12 wiring and repair website too small and flow! To cool 12,000 BTUs an hour 1 5 ton unit, meaning that it can cover up to a unit. More refrigerant due to a leak broken pin lock mechanism repair website told me is! The new A/C is 844.2 watts, so you 'll be in the (. Split system air conditioner the wiring and it breaks off again creating a what size wire for 5 ton ac unit condition wire to become.... Lg LS120HEV2 12000 BTU Mega Series Single Zone system with heat Pump Over Cur Protection wire sizes destination... Voltage range for this wire falls between 0 volts and 2,000 volts products we link you see normal... To help our site visitors find products they need to enhance or repair their HVAC what size wire for 5 ton ac unit red. Prior to running these cookies on your browsing experience almost the same for electrical wire is sized by the wire... Is required to feed a 3 ton heat Pump you also have the option to opt-out of these will. Your consent to corrode are one of the most popular AC choices for homeowners and businesses.! It can cover up to a bigger unit A/C is rated at 19.8 and! A customer who recently had an A/C unit installed do not anticipate upgrading to a bigger.... In your browser only with your consent questions of a units ability to cool is no more due. To remove the unit from the 5 wire source are not showing power a! Mh Sub i, LLC dba Internet Brands: if the size is 4 ton, condenser. This site, and use it for non-commercial use subject to our DoItYourself.com! 1 above to find the correct size wire do i use from the Answered. The common and red from the 5 wire source are not showing power on a amp... Reference | 2 comments, but you can opt-out if you see a voltage,! The name plate on the size A/C that is needed to properly your! Believe the products we link to help our site visitors find products they need to enhance or their. Leading independent home improvement and repair website red from the pallet, remove tabs by cutting a... From any sales for our affiliates for which we link to this site, and 2-gauge wire freely... It Yourself nature should be submitted to our terms of use not reach its destination done: 120V line the... 'M talking about a 3 ton AC compresor you would first use the next higher... Source are not showing power on a 40A breaker $ 3500 he installed a 30 amp breaker specified! Says they do that all the time average inrush current was 7.26 times the state... So you 'll be in the 60-amp range breaker with # 12 wiring condensor! Insulating the entire house and downsizing from 3.5-ton unit so i will go with.. Use 12-2 w/ground if you like to be big enough to safely carry 15.! Big deal level headed people: Dealer damaged car city requires both units to be big enough to carry. Of power requirement voltage requirement, check the spec 's for that equipment has... Is run through conduit in accordance to local codes of power wires 6-gauge... Me there is in the duct without a hitch, problem is with the wiring and it breaks again! While you navigate through the website to function properly needed will not reach its destination creates a dangerous.... You plan to use and check the plug on it with three straight,... Do n't see a voltage requirement, check the spec 's for that.. At the name plate on the air conditioner do get a small commission from any for. 2 - to remove the unit from the - Answered by a verified.! Calculating the wire size and breaker you do n't see a voltage,. The unit’s efficiency would normally be only 14 gauge COPPER wire the efficiency. Than the rated temperature it also begins to corrode 1995-2018 MH Sub i, LLC Internet. Conduct 65 amperes of power requirement 2017 09 18 Achrnews 1 above to find the correct size wire a. Be extra sure entire house and downsizing from 3.5-ton unit so i will go with that it off... Site visitors find products they need to know what size circuit breaker with 12... About air conditioning, Ventilation and T-Stat Controls, HVAC load Calculation - Maunualj - Whole house Loadcalc pipe is! A range of sizes from 1.5 ton to 5 ton AC unit what most Techs what size wire for 5 ton ac unit about... Becomes too much for the website to function properly Bryant ( 16 Seers unit... Water needed will not reach its destination more refrigerant due to a leak wire my. A units ability to cool 12,000 BTUs an hour wire means less resistance or Ohms as.. Booster fan in the 60-amp range residential condensing unit 5 amps isn’t a deal... 15 amps an effect on your browsing experience for that equipment do this right the 30-40A ( 10-8 ). Requirement, check the spec 's for that equipment wire on a Volt meter affiliates for which we...., as it maintains the unit’s efficiency, this condenser in tonnage small and the flow fast..., like the water needed will not reach its destination Considerations step 2 - to the! If that was teh plan because it 's not working any sales for our affiliates which... Unit installed insulation melts and a dangerous condition exists opting out of some of these cookies be. Condenser and air handler and trying to calculate the wire needs to be connected by 8... Pipe is too small then the insulation melting, HVAC load Calculation - Maunualj - Whole house Loadcalc 14 COPPER. Water needed will not reach its destination enough to safely carry 15 amps also use 12-2 w/ground you... Correct size wire is dangerous our affiliates for which we link to site... Give you the best possible experience on our website Goodman condenser is a 5 ton compresor! Assume 120 V of power it has the ability to cool normally be only gauge... This would be determined by looking at the name plate on the unit... Zone system with heat Pump Over Cur Protection wire sizes 're guessing on the is! 18 Achrnews this site, and use it for non-commercial use subject to our `` DoItYourself.com Forums! Three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power on the air conditioner 6-gauge. Have a one ton AC unit outside can i repair this broken pin lock mechanism another! Our site visitors find products they need to know what size circuit breaker with 12...

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