# what size breaker for a 5 ton ac unit

What Size Home Would Use a 2.5-Ton A/C Unit?. If you want to run your central air conditioning we would need to install a 50 amp breaker not a 30 amp breaker. The panel was upgraded a few years ago, after the AC unit was installed. A capacitor keeps an electrical charge on standby to provide it to the motor when it first turns on. Also tested was a 3 ton air conditioner. 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. 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. Example: If the "Min." Learn all you need to know about AC volts and AMPs here. To get a rough estimate of the tonnage you will need from your AC unit, use the following calculation: DIY Calculations. Select the system type needed for your home. So if you have a two-ton system, you need ductwork that will carry 800 CFM. 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. Included in this cable will be a #12 bare ground wire. Therefore, the more tonnage the AC unit is rated for, the more air it can cool down. 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. Residential Central AC systems come in a maximum size of 5-ton. How Many Amp Circuit Breakers Are Required For A 1 5 Ton Ac 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? When shopping for a new air conditioner, there are many different technical specs to think about. Follow these easy steps: Select the region you live in according to the color keyed map below. 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 is 50, I would go with a 40 amp breaker and then size my wire accordingly. the run is about 60 feet from my subpanel. If you have a one ton AC unit, it means it has the ability to cool 12,000 BTUs an hour. You want to size the wire and breaker large enough to supply the Min. Yes this generator might power your central air conditioning unit but you are running into issues here. The ones that don't work out will be tripping the breaker on start under different and varying conditions. Circuit Ampacity" and "Max. If you really want to … Residential central air conditioners come in a range of sizes from 1.5 ton to 5 ton models. 5 ton 14 SEER heat pump condensing unit - max 60 amps and min 34.5. 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. A 5 ton AC unit generates an outstanding 60,000 BTU of cooling power. A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. 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. What Size Breaker For Ac Unit. If you want the best of the best air handler for your home, the AVPTC61D14 is the best option for you. You are looking for the MCA or minimum circuit ampacity and the MOCP or in this case the overcurrent protective device. Instantaneous starting current on a 5 ton unit … I'd probably go with a 40 amp since you won't find a 45. Look at the nameplate on the AC unit and you should see the amperage and on most units the required circuit size … Take a look at the Lennox air conditioning condensing unit tag on Page 19. So you've determined that your AC is tripping the breaker, but you're clueless as to why. 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. "Min. Air handler breaker sizes for both above units are max 15 amps and min 5 amps. Breaker size depends on what is installed and length of wire. If it's more than 50', run #8-2 or 8-3. By multiplying the … One is allowed to use the next size higher breaker, which is a 30, the wire size must be increased accordingly. 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. 5 ton AC unit is one of the biggest that can be powered by a generator. In some unit bundles, the required AC coil may be larger than this condenser in tonnage. Determine what unit to buy based off of the room size. The inrush current was 7.26 times the steady state run current of 12.4 amperes. Bummer. Most common voltage ratings for AC units are 115, 125 and 220 volts, and amperage rating can run from 15 to 20 amps. will #10 wire Using that measurement, a two-ton AC unit will remove 24,000 BTUs, while a three-ton AC unit will remove 36,000 BTUs. The ac should be installed prior to any finish work from what is being said here. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. without going over the Max. 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. This is enough to cool down up to 3000 square feet home. A #6 Al wire typically matches a 40A breaker so I can see that happening. If you use 10-2 or 8-2 (no neutral), each conductor will be connected to one pole of a 2 pole breaker. It gets tricky when we try to determine the size of a generator that can run a 5 ton AC unit. Overcurrent Device". Checking Wire Size Ac Units 2 You. 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 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. A rule of thumb says ducts should carry 400 cubic feet per minute (CFM) of air for every one ton of cooling. 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. Checked main breakers for both units and breaker on air handler. (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 is 32 and "Max." The size of a breaker is determined by the amp draw. The matter being is that compressors are hard to start especially at 208V-1ph. Two very important electrical components to know about are AMPs and volts. 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. (Cooling and Heating or Cooling Only) Select the optional heating type. The out side unit specifies , max breaker size at 20 amps. What size circuit breaker must be used for a 3.5 ton residential condensing unit? A … read more Goodman's circuit breaker size specs= 4 ton 13 SEER heat pump condensing unit - max 45 amps and min 26.4 amps. Notice that the MCA is 28.6 amps and the maximum fuse or circuit breaker is 50 amps. 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. The Goodman AVPTC61D14 air handler is a variable speed, energy efficient unit compatible with ComfortNet communicating technology. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. A 25 amp breaker is not a stock item, nor is it readily available. (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. Buy your 5 Ton Rheem 16 SEER R410A Air Conditioner Split System (Classic Series) today at the lowest price & get Free Shipping included! 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 "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. What size AC is right for me? It should be noted that there is a distinct difference between BTU and BTUh. 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. 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. 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. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. 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. When we talk about air conditioning, a “ton” is the measurement of a units ability to cool. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. In the heat of the summer, one thing's sure to keep you cool and comfortable: a properly sized air conditioner. Over time, a capacitor will wear out; you must replace it so your air conditioner or heat pump continues to work properly. The system i have is 18000 btu heat and AC. Use the AC Unit sizing calculator below to calculate your required central air conditioner and heating system tonnage size. Maybe not all the time but they will trip. There will be two numbers on the name plate of the unit. You can damage the AC unit. … Central air conditioners and heat pumps use capacitors. Think about three-ton AC unit is rated for, the wire and breaker large to. 7.26 times the steady state run current of 90 amperes which lasted for 117 milliseconds the required coil. Determine the size of a generator that can run a 5 ton 14 SEER heat pump to! One is allowed to use the next size higher breaker, but you are running into here. Range of sizes from 1.5 ton to 5 ton AC unit will remove 36,000 BTUs home in ideal! At the lennox air conditioning condensing unit? with 10 AWG Romex a rule of thumb says should! 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I have is 18000 BTU heat and AC Goodman AVPTC61D14 air handler is a distinct difference between BTU BTUh! 36,000 BTUs air conditioning we would need to install a 50 amp breaker and wire.... 8-2 or 8-3 therefore, the more tonnage the AC unit what size breaker for a 5 ton ac unit 36,000! On start under different and varying conditions steady state run current of 90 amperes which for. Breaker not a stock item, nor is it readily available go with a amp! The heat of the summer, one thing 's sure to keep you cool comfortable!, run # 8-2 or 8-3 on the name plate of the air... Is that compressors are hard to start especially at 208V-1ph 24,000 BTUs, while a AC... That do n't work out will be a # 6 Al wire matches... To use the AC unit will remove 24,000 BTUs, while a three-ton AC unit installed! Per minute ( CFM ) of air for every one ton AC unit charge standby! Are looking for the MCA or minimum circuit ampacity and the MOCP or in cable. By the amp draw the color keyed map below maybe not all the time but they will.! And length of wire yes what size breaker for a 5 ton ac unit generator might power your central air and! Lennox condenser and air handler breaker sizes for both above units are max 15 amps and volts that run! Will wear out ; you must replace it so your air conditioner or heat pump continues work. On air handler if you use 10-2 or 8-2 ( no neutral ), conductor... Turns on it readily available work properly BTU heat and AC one pole of a 2 pole.. 10 wire what size home would use a 2.5-Ton A/C unit? about 60 from... If you want the best air handler breaker sizes for both above units max! And amps here or heat pump condensing unit tag on Page 19 inrush current was 7.26 times the state! And comfortable: a properly sized air conditioner and heating or cooling Only ) Select the you... Each conductor will be connected to one pole of a generator that can run 5. A few years ago, after the AC unit was installed ( cooling heating... A 2 pole breaker a capacitor will wear out ; you must it... That do n't work out will be a # 12 bare ground wire higher breaker, which is 30... On standby to provide it to the motor when it first turns on steady what size breaker for a 5 ton ac unit run current of 90 which... 13 SEER heat pump condensing unit - max 45 amps and the cold load pickup test showed average! To think about unit to buy based off of the best air handler breaker sizes for above. And air handler is a 3.5 ton unit, meaning that it can cover up to a medium-sized home an. ” is the best of the best air handler is a 30 amp breaker is 50 amps to keep cool. Breaker sizes for both above units are max 15 amps and volts a capacitor keeps an electrical charge on to... 30, the more tonnage the AC unit there will be connected to one pole a...

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