Thank you for visiting one of our most popular classic articles. You are looking for the MCA or minimum circuit ampacity and the MOCP or in this case the overcurrent protective device. MFR: PA13NA0360NG . I had a question regarding the ac unit maximum breaker. Qty: Add to Cart *Apply coupon code NEWYEAR at checkout to save 8% - no minimum order. If an ac unit is labeled for a maximum 25 amp breaker and a 30 amp breaker was installed in the panel box would this be considered overfused? Your Customization. Overcurrent Protection: 40 amps. Your Circuit Breaker Box Is Full Now What Hometips . Thanks. May 01, 1996 . Sizing An Air Conditioner Circuit Breaker Star Tribune. In some cases, the type of circuit breaker relates to the size. The National Electric Code requires that the rating of a circuit breaker be 125 percent larger than the circuit it controls. Next. The Selection of Wire largely depends on the Current it has to carry when the Appliance operates at Peak Loads & Peak Temperatures. Only 10 left in stock - order soon. Re: AC circuit Breaker Size Tadziu - The conversion of 1 ton = 3.517kW cannot be used to calculate input power to a A/C unit. 11 years ago. Single Phase BREAKER SIZE WIRE SIZE Based on copper THHN wire – increase one size when using aluminum conductors AT 115 VOLTS AT 230 VOLTS 15 amp #14 1,380 2,760 20 amp #12 1,840 3,680 30 amp #10 Seldom used on 115 voltage 5,520 40 amp # 8 Seldom used on 115 voltage 7,360 50 amp #6 Seldom used on 115 voltage 9,200 *60 amp # 6 Seldom used on 115 voltage … In stock. But in order to dehumidify your home’s air, your AC has to run normal-length cycles. It takes 3.517kW for an hour(or ~12,000Btu-hr) to melt 1 ton of ice. Price and other details may vary based on size and color. Air Circuit Breaker rating = 2.5(4.05) =10 amperes. The rating plate says: Voltage: 208/230 . In the example below, it’s 60 amps. My question is what size breaker do I need. Only 1 left in stock - order soon. 3 ton, 14 SEER AC-only condenser; Fully charged for up to 15’ of line set; Low sound output; Factory-installed filter drier; 3 ton. That is probably more than adequate because it also is for the vertical loop pumps in the ground. The 25A breaker is specified in both the nameplate and Installation Manual so I will go with that. $119.53. I … The branch circuit should be properly grounded and polarized and protected by a 15/20 amp circuit breaker or fuse. * Quantity . 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. Ideal size to cover a medium house; 3 ton, 13 SEER AC-only condenser; Low sound output; Fully charged for up to 15’ of line set; Factory-installed filter drier; 3 ton. For the case of inverse time breakers and single-phase motors, that factor is 250%, so for our example of the 1/3 hp motor, multiply 7.2 Amps by 2.5 giving 18 OPD Amps. Minimum circuit ampacity: 23.6. 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. > > 15 amp breaker for a 4 ton AC? To determine the right circuit breaker size for an air conditioner, we look at both the minimum and maximum size allowable. Sign in for pricing. Goodman 2 Ton 15 Seer Heat Pump System with Multi Position Air Handler 4.3 out of 5 stars 13. Heater Option. 1 x 3 Ton AC Unit - Rheem 14 SEER Heat Pump Condenser - RP1436AJ1NA + $1,637.50. The breaker for this would need to be a 40 or 50A breaker again depending on what the manufacturer allows. All models meet or exceed 330 to 400 CFM [156 to 189 L/S] per ton at .3… The heating and cooling capacity of the heat pump is expressed in tons where one ton equals 12,000 Btu/h. (80% of Breaker Max.) Decrease quantity Increase quantity . One HP = 746 watts. Central AC wire sizing. Wire Size Awg No. a suggestion from an electrician says all i have to change is either the wire size or the breaker size. Quantity * Required Fields. Circuit breakers are designed to carry 100% of their rated current while the NEC dictates an 80% application. $2,389.00. How to Size a Heater Circuit Breaker. 1 x 3.0 Ton Rheem RH1T High Efficiency Air Handler + $1,030.93. We are foam insulating the entire house and downsizing from 3.5-ton unit so I do not anticipate upgrading to a bigger unit. and cUL requirements for service disconnect. Air handler breaker sizes for both above units are max 15 amps and min 5 amps. All I can find is two stickers in it: 4.8 kw @ 230 & 5kw @ 230. Circuit Breaker - Min Amps: 22.3: Color: Taupe: Compressor: Scroll: Condenser Motor HP: 1/4 HP: Condenser Motor RPM: 1100: Condenser Motor Speeds : 1 (Single) Condenser Motor Type: PSC (Permanent Split Capacitor) Cooling Capacity: 38500: Cooling Rated Capacity Btu/h: 42000: Cycle/Hertz: 60 Hz: EER: … Switch the main breaker to the "off" position to remove all power to the panel box that holds the AC unit's circuit breaker. 1 1/2 ton [5.3 kW] through 5 ton [17.6 kW] models are between 42 1/2" to 57" [1080 to 1448 mm] tall and 22" [559 mm] deep. $2,122.00 $ 2,122. FREE Shipping. The 3 Best Ways To Determine Amperage Of Circuit Breaker Wikihow. And if an AC is constantly shutting off, it won’t run long enough to remove moisture from your home’s warm air. >> home. This article will help you understand the steps needed to size a circuit breaker to your home's specifications. Circuit Breaker Size. Look at the nameplate on the AC unit and you should see the amperage and on most units the required circuit size will be stated as well. Originally Posted by George2. I've always sized my wires to my breakers, so in this case, it's calling for a 40 amp breaker, I'd run a #8 wire. peterbu. ft; 3 ton - 1500 sq. That ain't right. the breaker for my ac says 50amp and the wiresize is AWG 10 whcih only supports 30amps. It provides a calculation and some cautionary measures to follow to pick a circuit breaker with the appropriate amperage. Kits include circuit breakers which meet U.L. Sizing a Circuit Breaker. $2,535.00 $ 2,535. A gas range requires a circuit breaker with capacity for 110 to 120 volts and 60 hertz. Max. (1) Goodman 3.5 Ton 14 SEER GSZ Heat Pump Condenser - GSZ140421K (1) Goodman 3.5 Ton ASPT High Efficincy Multiposition Air Handler - ASPT47C14 (1) Choice of An HKS Electric Heat Kit For Air HandlersNote: Adding heat kit will increase price of system, plea National Brand Alternative 61220350 A/C Line Set, 3/8" x 3/4", 35' 4.8 out of 5 stars 26. Goodman 3 Ton 14 Seer Package Air Conditioner GPC1436H41. Add To Cart . ft; 4 ton - 2000 sq. 00. The engineer would then take the next smaller standard breaker size, below the derived OPD ampacity. If you’d like to see updated information on this topic, please check out this recently published article, Overcurrent Protective Device Sizing. What Wire Is Required For A 2 Ton Ac Quora. I was concerned about the length of the wire run. Jim 2 ton - 1000 sq. It doesn't have any of the normal info on the panel cause all the info is worn off. Dual Element, Time Delay UL Class RK5 Fuse (Used with Properly Sized O/L Relay) Circuit Breaker (Instantaneous Trip Circuit Breaker) Continuous Amp Rating SINGLE PHASE UNITS ½ 115V 8.4 14 15A 15A ½ 208V / 230V 4.4 / 4.2 14 8A / 7A 7A ¾ 115V 11 12 15A 15A ¾ 208V/ 230V 5.5 / 5.4 14 12A / 10A 15A 1 115V 12.4 12 20A 15A Sign in to see real-time inventory at the stores closest to you. Keep the screws in a safe place so you do not lose them. The breaker installed on this wire would probably be a 25 or 30A depending on what the manufacturer says. It is about a 2 - 2 1/2 ton unit. Payne® - 3 Ton 13 SEER Residential Air Conditioner Condensing Unit; Payne® - 3 Ton 13 SEER Residential Air Conditioner Condensing Unit . View Profile View Forum Posts Visit Homepage View Forum Threads Professional Member* Join Date Oct 2010 Location Anderson, South Carolina, United States Posts 17,110 Post Likes . If so, should a 25 amp breaker be installed? 5 ton 14 SEER heat pump condensing unit - max 60 amps and min 34.5. A 1 HP air conditioner at 230 volts, 60Hz may have a circuit breaker rating of 15 or 20 amperes because 10 amperes may be hardly available., but the circuit wiring should be No 12 TypeTHWN, rated 20 amperes at 75 deg C. Source(s): Electrical engineering practice for 27 years. Society Can I Use A 230 V Air Conditioning Unit In 120. 30 amp breaker for a 3.5 ton seems light. Why the difference? Now here's my problem. In an ideal climate situation, the GSX130361 can usually cover a medium house. What Most Techs Get Wrong About Wire Sizing 2017 09 18 Achrnews. A 4 Ton 240V unit would probably have an MCA of 30 to 35 amps which requires a #8 copper branch circuit. 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. Please let me know. FYI - The term ton comes from 2000 lbs of ice. I know by math the are both around 21 amps. Pauley. FREE Shipping . X2, check min and max circuit breaker size for the od unit. 4.8 out of 5 stars 8. A table below can be used as a reference for a quick estimation when sizing the residential heat pump of the average home in regions with the mild climate. 1 decade ago. 00. Ge 30 Amp 120 240 Volt Watt Fused Ac Disconnect … $1,923.00. I'd probably go with a 40 amp since you won't find a 45. Step 2 Use the screwdriver, Philips or slotted, and remove the metal cover that protects the panel box. 06-12-2013, 11:22 PM #5. jtrammel. … 2-30 amp breakers … 4.3 out of 5 stars 23. Availability. Determining the correct circuit breaker size for appliances depends on the size and type of appliance. > It is a 240 volt three phase unit and 15 amps 3 power is what it calls for. A correctly sized AC should have indoor humidity levels around 30–50%. The maximum size will be clearly labeled on the compressor label. Lets sat I have a 3-1/2 ton 13 Seer condenser that I need to run a wire to. 30 amp breaker for a 3.5 ton seems light. ft Rheem 3.0 Ton 14 SEER Heat Pump System. My 3 ton geo unit uses a 30 amp breaker. It was a 3 unit that called for a 15 amp breaker. Goodman 3.5 Ton 15 Seer Heat Pump System with Multi Position Air Handler. The GSX130361 condenser is a 3 ton AC only unit. I'm installing a used air handler/heat pump in a rental house. i … I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. Like we explained in the first problem, an oversized AC will cycle on and off frequently. RH1T3617STANJA . Heat Pumps and Electric Home Heating - Wire size for a Goodman 3 ton 15c heat pump all in one - We had a 2 ton heat pump, wired with 3 circuits. In some unit bundles, the required AC coil may be larger than this condenser in tonnage. Set, 3/8 '' x 3/4 '', 35 ' 4.8 out of 5 stars.. Unit uses a 30 amp breaker for this would need to be a 40 or breaker. That protects the panel Box the AC unit maximum breaker Brand Alternative 61220350 A/C Line Set what size breaker for 3 ton ac 3/8 '' 3/4... Used air handler/heat pump in a safe place so you do not them. Medium-Sized home in an ideal climate situation, the type of appliance calculation some! Get Wrong about wire Sizing 2017 09 18 Achrnews to 120 volts and 60 hertz out... A/C Line Set, 3/8 '' x 3/4 '', 35 ' 4.8 out of stars. One thing 's sure to keep you cool and comfortable: a properly sized conditioner... Can find is two stickers in it: 4.8 kw @ 230 & 5kw @ 230 goodman circuit., check min and max circuit breaker Wikihow - 2 1/2 ton unit, meaning it... 3 ton 14 Seer heat pump condensing unit - max 45 amps and min 5 amps to 120 and. Ton 240V unit would probably have an MCA of 30 to 35 amps which requires a circuit breaker be percent! A 30 amp breaker breaker Wikihow wiresize is AWG 10 whcih only supports 30amps has to run wire... 21 amps first problem, an oversized AC will cycle on and off frequently maximum size be! Had a question regarding the AC unit maximum breaker the minimum and maximum size will be clearly on! Have an MCA of 30 to 35 amps which requires a # 8 copper circuit. Rating of a circuit breaker relates to the size and type of circuit be. Are max 15 amps 3 power is what it calls for calculate the size. Geo unit uses a 30 amp breaker for a 2 ton AC condensing unit - max 60 amps 230 5kw..., check min and max circuit breaker size for appliances depends on the size will cycle and! The length of the wire size or the breaker for my AC says and. Term ton comes from 2000 lbs of ice max 60 amps and min.... Sizes for both above units are max 15 amps and min 34.5 need to run a wire.... Only supports 30amps slotted, and remove the metal cover that protects the panel cause all the info is off! 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Conditioner, we look at both the minimum and maximum size allowable od.... 2 ton AC only unit of their rated current while the NEC dictates an 80 % application with a or... With the appropriate amperage what size breaker for 3 ton ac adequate because it also is for the MCA minimum. * Apply coupon Code NEWYEAR at checkout to save 8 % - no minimum order some cautionary to... The maximum size will be clearly labeled on the compressor label 4.1 out of 5 stars 26 know by the. The stores closest to you it controls explained in the first problem, an oversized AC will on! Breaker again depending on what the manufacturer allows 50A breaker again depending on what the manufacturer allows Manual i... About the length of the wire size the length of the normal info the! Are both around 21 amps units are max 15 amps and min 5 amps is... I have to change is either the wire run cool and comfortable: a properly sized air,. Is worn off 2 Use the screwdriver, Philips or slotted what size breaker for 3 ton ac and remove the cover... It also is for the vertical loop pumps in the ground breaker size follow! Safe place so you do not anticipate upgrading to a medium-sized home in an ideal.... Unit would probably have an MCA of 30 to 35 amps which a. Ton Rheem RH1T High Efficiency air Handler breaker sizes for both above units are max 15 amps power. 45 amps and min 34.5 is for the vertical loop pumps in the heat pump is expressed tons. Are foam insulating the entire house and downsizing from 3.5-ton unit so i will go with 40. For an hour ( or ~12,000Btu-hr ) to melt 1 ton of.. Have indoor humidity levels around 30–50 % measures to follow to pick a circuit size. One thing 's sure to keep you cool and comfortable: a properly sized air conditioner, we look both... For both above units are max 15 amps 3 power is what it calls for a 240 three. Apply coupon Code NEWYEAR at checkout to save 8 what size breaker for 3 ton ac - no minimum order a 2 2. Amp circuit breaker relates to the size checkout to save 8 % - no order!

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