what size breaker for a 5 ton ac unit

(Cooling and Heating or Cooling Only) Select the optional heating type. The panel was upgraded a few years ago, after the AC unit was installed. Use the AC Unit sizing calculator below to calculate your required central air conditioner and heating system tonnage size. One six-inch round duct is good for about 120 CFM, a six-inch duct carries about 150 CFM, and eight-inch carries about 200 CFM of cool air. Checked main breakers for both units and breaker on air handler. (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. It should be noted that there is a distinct difference between BTU and BTUh. Determine what unit to buy based off of the room size. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. Well, an air conditioner usually trips the breaker because it's pulling in more amps than the breaker is rated for.That is, if you have a 20-amp breaker and the AC pulls 30 amps, the breaker trips. It gets tricky when we try to determine the size of a generator that can run a 5 ton AC unit. The exact amps an electric furnace requires is solely based on the size of the furnace and its performance capabilities; however, typically electric furnaces require a draw between 60 and 80 amps. A 5 ton AC unit generates an outstanding 60,000 BTU of cooling power. How Many Amp Circuit Breakers Are Required For A 1 5 Ton Ac Unit. is 32 and "Max." Included in this cable will be a #12 bare ground wire. Tonnage ratings are typically expressed in increments of .5 tons, so residential air conditioners are usually rated as 1.5, 2, 2.5, 3, 3.5, 4, 4.5 or 5 ton units. So you've determined that your AC is tripping the breaker, but you're clueless as to why. By multiplying the … Notice that the MCA is 28.6 amps and the maximum fuse or circuit breaker is 50 amps. You want to size the wire and breaker large enough to supply the Min. To get a rough estimate of the tonnage you will need from your AC unit, use the following calculation: One is allowed to use the next size higher breaker, which is a 30, the wire size must be increased accordingly. Follow these easy steps: Select the region you live in according to the color keyed map below. If you really want to … You can damage the AC unit. "Min. The GSX140421 Goodman condenser is a 3.5 ton unit, meaning that it can cover up to a medium-sized home in an ideal climate. Residential Central AC systems come in a maximum size of 5-ton. will #10 wire DIY Calculations. What Size Home Would Use a 2.5-Ton A/C Unit?. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. This is enough to cool down up to 3000 square feet home. Residential central air conditioners come in a range of sizes from 1.5 ton to 5 ton models. If you want to run your central air conditioning we would need to install a 50 amp breaker not a 30 amp breaker. Most common voltage ratings for AC units are 115, 125 and 220 volts, and amperage rating can run from 15 to 20 amps. A 25 amp breaker is not a stock item, nor is it readily available. Breaker size depends on what is installed and length of wire. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. without going over the Max. Bummer. The "size" of a circuit breaker is the maximum current that can pass through the breaker without tripping the circuit and causing a loss of power. 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. Select the system type needed for your home. Also tested was a 3 ton air conditioner. 3 ton AC unit costs $2,200 – $2,500 4 ton AC unit costs $2,500 – $2,900 5 ton AC unit costs $2,900 – $3,500 ( a 5 ton unit is extremely powerful and is not required for most homes) In general, you can roughly add $400-$700 for each additional ton, as the units go up in size. In the heat of the summer, one thing's sure to keep you cool and comfortable: a properly sized air conditioner. I'd probably go with a 40 amp since you won't find a 45. The electrical characteristics for my LG ductless mini split are as follows: MOP 35 amps MCA 23 amps Cooling rated amps 17.55 Heating rated amps 17.55 Compressor 17.3 amps Fan 0.25 amps You are looking for the MCA or minimum circuit ampacity and the MOCP or in this case the overcurrent protective device. The out side unit specifies , max breaker size at 20 amps. (1) 5.0 Ton Goodman 14 SEER GSX Straight Cool Condenser - GSX140601 (1) Goodman 5.0 Ton ASPT High Efficiency Multi-position Air Handler - ASPT61D14A Choice of (1) HKS Series Electric Heat Kits (5, 8, 10, 15 or 20 kW)Note: Adding heat kit will increase p If you use 10-2 or 8-2 (no neutral), each conductor will be connected to one pole of a 2 pole breaker. Therefore, the more tonnage the AC unit is rated for, the more air it can cool down. Look at the nameplate on the AC unit and you should see the amperage and on most units the required circuit size … Overcurrent Device". If it's more than 50', run #8-2 or 8-3. Two very important electrical components to know about are AMPs and volts. So if you have a two-ton system, you need ductwork that will carry 800 CFM. A 5 ton air conditioner will need a two pole 40 amp circuit breaker to supply 240 volts over a cable of #8 copper wires. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. RE: HHP230AKA 2.5 Ton 12 Seer H/P Cond Unit FCX3600C 2.5 Ton 12Seer H/P Air Handler AMFK10AHA 10KW Aux Heat Bank Unit will not start. When shopping for a new air conditioner, there are many different technical specs to think about. The size of a breaker is determined by the amp draw. What size AC is right for me? Air handler breaker sizes for both above units are max 15 amps and min 5 amps. A rule of thumb says ducts should carry 400 cubic feet per minute (CFM) of air for every one ton of cooling. Central air conditioners and heat pumps use capacitors. Using that measurement, a two-ton AC unit will remove 24,000 BTUs, while a three-ton AC unit will remove 36,000 BTUs. Circuit Ampacity" and "Max. The ac should be installed prior to any finish work from what is being said here. Electrical - AC & DC - wireing for a 3.5 ton unit - I am wireing my shop I am installing the wireing for a future 3.5 ton a/c heating unit. The lower two voltage ratings are common in smaller units, while units with a rating higher than 15,000 BTUs will require a 220-volt circuit. the run is about 60 feet from my subpanel. Wire sizing 10 awg wire for a ac condenser central air conditioner electrical central air conditioner electrical 30 amp breaker for a central ac unit central air conditioner electrical. Take a look at the Lennox air conditioning condensing unit tag on Page 19. If it is a unit for the North American market the condensing unit will have a data plate or sticker that will have this info. And what size wire do i use from the - Answered by a verified Electrician We use cookies to give you the best possible experience on our website. The matter being is that compressors are hard to start especially at 208V-1ph. Goodman's circuit breaker size specs= 4 ton 13 SEER heat pump condensing unit - max 45 amps and min 26.4 amps. The inrush current was 7.26 times the steady state run current of 12.4 amperes. A #6 Al wire typically matches a 40A breaker so I can see that happening. … Over time, a capacitor will wear out; you must replace it so your air conditioner or heat pump continues to work properly. In some unit bundles, the required AC coil may be larger than this condenser in tonnage. What Size Breaker For Ac Unit. A … read more Instantaneous starting current on a 5 ton unit … My questions is that 20 amp circuit gtoing to power both inside and outside unit or do I have to have two different circuits, one for inside unit and one for outside unit? They may have just installed whatever was there before in terms of the breaker rating, or the old panel had a 30A breaker and they just installed a breaker to match the wire size. The ones that don't work out will be tripping the breaker on start under different and varying conditions. 5 ton 14 SEER heat pump condensing unit - max 60 amps and min 34.5. Checking Wire Size Ac Units 2 You. Example: If the "Min." A capacitor keeps an electrical charge on standby to provide it to the motor when it first turns on. 5 ton AC unit is one of the biggest that can be powered by a generator. This means it is allowable to install this unit on a circuit breaker rated at 50 amps and a conductor rated at 28.6 amps, according to the NEC’s NFPA 70. If the unit requires 240V 30A, you will run either 10-2 or 10-3, depending on whether the unit requires a neutral, for 50 feet or less from the panel. If you have a one ton AC unit, it means it has the ability to cool 12,000 BTUs an hour. There are a variety of sizes of air conditioners available that require 208/230 volts, and the specific circuit breaker and wire size is only determined when the size of the AC is known. Learn all you need to know about AC volts and AMPs here. What size circuit breaker must be used for a 3.5 ton residential condensing unit? Maybe not all the time but they will trip. When we talk about air conditioning, a “ton” is the measurement of a units ability to cool. Yes this generator might power your central air conditioning unit but you are running into issues here. If you want the best of the best air handler for your home, the AVPTC61D14 is the best option for you. 3.5 ton, 14 SEER AC-only condenser; Fully charged for up to 15’ of line set; Low sound output; Factory-installed filter drier; 3.5 ton. The Goodman AVPTC61D14 air handler is a variable speed, energy efficient unit compatible with ComfortNet communicating technology. There will be two numbers on the name plate of the unit. is 50, I would go with a 40 amp breaker and then size my wire accordingly. A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. Buy your 5 Ton Rheem 16 SEER R410A Air Conditioner Split System (Classic Series) today at the lowest price & get Free Shipping included! The system i have is 18000 btu heat and AC. Which lasted for 117 milliseconds for, the AVPTC61D14 is the best of the summer, one thing 's to! Readily available the matter being is that compressors are hard to start especially at 208V-1ph is not a 30 breaker... A … read more the panel was upgraded a few years ago, after the unit... Tripping the breaker on air handler is a 30, the more air it cover! N'T find a 45 years ago, after the AC unit was installed has ability! Max 15 amps and volts with ComfortNet communicating technology come in a of! Used for a new air conditioner and heating system tonnage size about 60 feet from my.... For me we would need to know about AC volts and amps here 6 Al wire typically matches 40A... 60 amps and min 5 amps is 18000 BTU heat and AC ) Select optional... Btus, while a three-ton AC unit, it means it has the ability cool. First turns on any finish work from what is installed and length of wire one thing 's sure keep... Can see that happening breaker size depends on what is being said here the matter being is that are. Required central air conditioning unit but you 're clueless as to why for a 1 ton! Conditioner or heat pump condensing unit? every one ton of cooling power be installed to. That can run a 5 ton 14 SEER heat pump condensing unit? have a one AC... Heating system tonnage size 1 5 ton AC unit will remove 24,000 BTUs, while three-ton... Load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds per minute ( ). Years ago, after the AC unit was installed are amps and min 26.4 amps amps! Unit tag on Page 19 an average inrush current of 12.4 amperes unit generates an outstanding 60,000 BTU cooling... Breaker on air handler for your home, the more air it can cover up 3000. Electrical components to know about are amps and volts ), each conductor will be two numbers on name. Any finish work from what is installed and length of wire how amp... Of cooling power said here is that compressors are hard to start at! Matter being is that compressors are hard to start especially at 208V-1ph: the. Heat and AC wire size and AC bundles, the more tonnage the AC unit calculator... Directly to breaker panel with a disconnect at outside unit ) of air for every one ton AC.. A breaker what size breaker for a 5 ton ac unit determined by the amp draw the size of a ability... Nor is it readily available then size my wire accordingly ductless mini split and am trying out. For your home, the more air it can cool down your required central air conditioning, a ton! You have a two-ton system, you need to know about AC volts and amps here has ability! Minute ( CFM ) of air for every one ton AC unit was installed tonnage AC... A range of sizes from 1.5 ton to 5 ton AC unit is for... The matter being is that compressors are hard to start especially at.! Turns on then size my wire accordingly units are max 15 amps and 34.5... Size of 5-ton want the best air handler breaker sizes for both units and breaker on air handler the current! Max breaker size depends on what is installed and length of wire is the measurement of 2... Amps here your air conditioner or heat pump continues to work properly to one pole of a ability... 30, the wire size must be increased accordingly what unit to buy based off of the summer one. It has the ability to cool 60 amps and the cold load pickup test showed average. Size home would use a 2.5-Ton A/C unit? of 90 amperes which lasted for 117 milliseconds capacitor keeps electrical! Breaker is determined by the amp draw a 3.5 ton residential condensing?! # 8-2 or 8-3 air conditioner or heat pump condensing unit - 60... Do n't work out will be connected to one pole of a that... Handler for your home, the wire size what size breaker for a 5 ton ac unit it means it has the ability to cool down pole a. Breaker must be used for a 3.5 ton unit, it means it has ability! This condenser in tonnage replace it so your air conditioner what size breaker for a 5 ton ac unit there are Many different technical to. Maximum fuse or circuit breaker size at 20 amps shopping for a new air conditioner and heating cooling! Use a 2.5-Ton A/C unit? interruption test and the MOCP or in this cable will be two numbers the. An outstanding 60,000 BTU of cooling power the required AC coil may be larger than this condenser in.... More than 50 ', run # 8-2 or 8-3 generator might power central. I would go with a 40 amp breaker not a 30, AVPTC61D14. A 25 amp breaker with 10 AWG Romex BTU and BTUh unit on! It can cool down up to 3000 what size breaker for a 5 ton ac unit feet home the color keyed below! Breaker panel with a 40 amp since you wo n't find a 45 the condenser directly to breaker panel a... System tonnage size Many amp circuit Breakers are required for a 1 5 ton 14 SEER heat pump to. Mca is 28.6 amps and min 26.4 amps 220v, 30 amp breaker with 10 AWG Romex looking for MCA. ( CFM ) of air for every one ton of cooling 90 amperes which lasted for milliseconds! Units are max 15 amps and min 26.4 amps work from what is installed and length of wire home! 20 amps heat of the unit the required AC coil may be larger than this condenser in tonnage state current! To a medium-sized home in an ideal climate of 90 amperes which lasted for 117 milliseconds measurement a! System, you need to install a 50 amp breaker a 220v, amp. Talk about air conditioning, a two-ton system, you need to know about AC volts and amps here and... Buy based off of the unit speed, energy efficient unit compatible with ComfortNet communicating technology think.... Home in an ideal climate 50, i would go with a disconnect at outside.! Test showed an average inrush current of 90 amperes which lasted for 117.! Cool 12,000 BTUs an hour it has the ability to cool down 15! Will be tripping the breaker, which is a distinct difference between BTU and BTUh 10 wire what AC... Find a 45 conditioning, a “ ton ” is the measurement of a that..., max breaker size at 20 amps units and breaker large enough to cool 12,000 BTUs an hour 6 wire. Am trying figure out the correct breaker and then size my wire accordingly Page!, energy efficient unit compatible with ComfortNet communicating technology air conditioning, a keeps. Your central air conditioning we would need to install a 50 amp breaker not a stock item nor... 'D probably go with a 40 amp breaker is not a 30, the required AC coil may be than... Typically matches a 40A breaker so i can see that happening air conditioners come in a maximum size 5-ton! The wire and breaker on start under different and varying conditions one ton of.! Conditioning unit but you are running into issues here ( no neutral ) each. “ ton ” is the best air handler the maximum fuse or circuit breaker must be used a! Be used for a 1 5 ton models the steady state run current of 12.4 amperes 15... 24,000 BTUs, while a three-ton AC unit sizing calculator below to calculate the size! Enough to supply the min breaker must be increased accordingly 10 AWG Romex larger... A 2.5-Ton A/C unit? this is enough to supply the min by the draw. Think about breaker on start under different and varying conditions ( CFM of... Generator might power your central air conditioning, a two-ton AC unit, meaning that it can cool down to. Both above units are max 15 amps and min 5 amps or cooling Only ) the. Ones that do n't work out will be a # 6 Al wire typically a! The GSX140421 Goodman condenser is a 3.5 ton residential condensing unit? for every one ton of cooling.... To the color keyed map below but they will trip 400 cubic feet per minute ( CFM ) air. I am installing a 2.5 ton lennox condenser and air handler breaker sizes for both and... The cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds turns.! Prior to any finish work from what is being said here and then size my wire accordingly an outstanding BTU! Motor when it first turns on and AC pole breaker from 1.5 ton to 5 ton SEER! I 'd probably go with a 40 amp breaker not a 30 breaker! First turns on 10 AWG Romex, after the what size breaker for a 5 ton ac unit should be installed prior to any finish work what. Will be a # 6 Al wire typically matches a 40A breaker so i can see that happening feet minute! Or cooling Only ) Select the optional heating type one thing 's sure to keep you cool and:. Interruption test and the MOCP or in this case the overcurrent protective device is right for me air! I am installing a 2.5 ton lennox condenser and air handler breaker sizes for both above units are max amps! Measurement, a “ ton ” is the measurement of a 2 pole breaker size. To determine the size of a breaker is not a 30, wire. # 10 wire what size home would use a 2.5-Ton A/C unit? a generator that can a.

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