\$\begingroup\$ Wire size is based on fuse or circuit breaker size. I have 2.5 tone Goodman (brand new) heat pump w/AC and air handler with 10 kw heat strip. What size house wire and breaker for a window unit with 6-15P plug? Who was the man seen in fur storming U.S. Capitol? There are 12,000 Btu's per ton. Look at the amperage rating on the unit. If the size is a 3 to 3 1/2 ton unit, then running a 10/2 size wire on a 30A breaker may be good. I'm master electrician and planning to wire both units myself. 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 The voltage range for this wire falls between 0 volts and 2,000 volts. You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. There's nearly always a FAQ's page. 12 gauge is good for 20 amps, 10 gauge for 30, 6 gauge for 50. long run from panel box to condenser 8 short 10 heater 10 kw 60 amp again long run 8 short 10. Take the panel off of the unit and there should be a little sticker close to where the wires go. Because this is an AC unit, it will likely be run when the voltage mains are at their lowest. model#PHD430000K000C . 2 cable connectors. I've also seen some breakers which simply were not meeting their spec and trip earlier than expected. Vulcan. 3.75 – 1.0 = 2.75 So you’d need a 2.5 or a 3-ton sized central air conditioning unit. Your circuit breaker, wire size and disconnect fuses should all be at or between those 2 numbers. GOP delegate films himself breaking into Capitol. If it's more than 50', run #8-2 or 8-3. Step 2 Check the air conditioner's required voltage in the specification sheet. 00. ? In the heat of the summer, one thing's sure to keep you cool and comfortable: a properly sized air conditioner. Answered in 5 minutes by: 10/31/2010. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. A retired electrician friend of mine was looking at it all after installation and said that the info. > I don't usually run conduit in a > home. If you are unsure whether the neutral is needed, run 3 conductor. The number 24 in the model number indicates the unit is 24,000 Btu's, divided by 12,000 Btu's per ton, equals 2 tons. Submitted: 10 years ago. Show Less. Kara says. this is good and I going to get one. For example, model GSX140241K is a 2 ton unit. Instead of subtracting 1.0, instead subtract ZERO to get the appropriate AC size for hot and arid climates: 1,500 X 30 = 45,000 Electrician: Jason, Service Technician replied 10 years ago. Double-Pole, 240-volt circuit breaker. I'm sorry, but I still don't understand what it is you need to know from us. Only 1 left in stock - order soon. the run is about 60 feet from my subpanel. Some larger A/C unit electrical requirements are sized by the name plate data and section 28 motors in the Canadian Electrical Code. Do you try to make things yourself or fix things? You should consult a professional before deciding exactly what sized airconditioner you need. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. The air conditioner motor may have very large current consumption during startup, requiring large circuit breaker. can i use a yellow plastic gas pipe as a water pipe? AWG 12, solid copper building wire, green or bare. Like make yard carts or combine broken machines to make a earning one? Reply. Goodman 2 Ton 14 Seer Package Air Conditioner GPC1424H41. Favorite Answer. Otherwise, the system will not operate correctly. AC Unit Size Calculator accurately estimates the size of the central air conditioner unit you should install in your house. - 210.63 One light must be a located near the air handler located in an attic. Liquid-tight flex conduit. B)NEC table 9 ,AC Resistance. They can always leave the white disconnected and just use the black and red. If you don't see a voltage requirement, check the plug on the air conditioner. It is not. This will tell you how many amps you need. These figures are based on a room with 8-foot ceilings, 2 windows and 1 door. You cant run 30 amps through 12 gauge wire. The manufacturers do not list the air conditioner size on the unit. AC Installation Guide - 3 What You’ll Need Tools: • L-Square • Sheet Metal Shears • Sheet Metal Benders (optional) • Wire Cutters • Wrench • Screwdriver • Tubing Cutter • Hole Saws (around 2 inches) • Tape Measure • Drill • Drill Bits Supplies (Contained in the AHA AC Supplies Packages): • … installed for that AC eqpt with the wire size and treat it like it was a water heater, or a receptacle circuit. In a case where the breaker size is listed on the data plate. 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. FREE Shipping. 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. Reply. Instead of calculating the current the way you do, I would normally use the current rating on the air conditioner itself. Category: HVAC. manufacturer's website is your best answer. June 28, 2017 at 5:14 am. Still have questions? Get the cost of 1 ton, 2 ton, 4 ton and 5 ton ac unit. Join Yahoo Answers and get 100 points today. Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. FREE Shipping. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Wire protection nail plate for rough cut 2x4. when calculating the wire size for a 3 ton AC compresor you would first use the following, a) 8/3 SEU COPPER. Reply. The last 4 ton AC condensing unit I installed used #14 THHN/THWN > copper in conduit. The AC unit requires a disconnect near it. 80. What size ac unit for a 2400 sq ft house? It should be noted that there is a distinct difference between BTU and BTUh. A Receptacle must be within 25 feet of the AC unit outside and any units located in the attic. The white will need to be taped or otherwise marked to indicate that it is a hot, not a neutral. If you see a normal household plug on it with three straight prongs, assume 120 V of power requirement. If you're referring to an outside stand-alone a/c unit (like Trane), to be hooked up through air vents, the. Check your book for you're units spec Take the panel off of the unit and there should be a little sticker close to where the wires go. If the data specifies a Breaker Size then the unit is treated as other loads. 2 liquid-tight flex connectors. What size AC unit for 2400 sqft ranch house in NC 7 years ago. August 18, 2016 at 10:13 am. Total Home Supply offer Honeywell 14/4 Mini Split wire in 50 ft and 250 ft rolls. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Wire pulling tape/wire fishing tape. Trump backers claim riot was false-flag operation, Why attack on U.S. Capitol wasn't a coup attempt, Biden: Pro-Trump mob treated 'differently' than BLM, New congresswoman sent kids home prior to riots, Coach fired after calling Stacey Abrams 'Fat Albert', $2,000 checks back in play after Dems sweep Georgia, Scary fall during 'Masked Dancer’ stunt gone wrong, Serena's husband serves up snark for tennis critic, CDC: Chance of anaphylaxis from vaccine is 11 in 1M. If you use 10-2 or 8-2 (no neutral), each conductor will be connected to one pole of a 2 pole breaker. I have 2 Mitsu units and the install info specs for the 24,000 btu model says 3 wires each wire 2.5 sqmm to a 20 amp breaker, the second 9,000 btu unit specs 3 wire-1.0 sqmm wire to a 10 amp breaker. You can change your choices at any time by visiting Your Privacy Controls. Hope this helps. Haven't come across a 2-ton unit yet. Wire nuts. will #10 wire 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. 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. I have a Goodman heat pump unit that I have purchased and the manual does not give vary good wiring examples. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. 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. what size wire to run a 2 ton a/c unit 30 ft from box? Share this conversation. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. The system capacity will be coded into the model number of the outdoor unit. Make sure you hook the wires up to a 2 pole breaker of the appropriate size. 4 .5 out of 5 stars 2. Removing  wall mounted air conditioner installed without  a permit? Stranded copper building wire, white. BTU, or British Thermal Units, is actually a measurement for the amount of heat needed to raise one pound of water by one degree Fahrenheit. Do you know it? 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. Relevance. Craftsman Millennium Drill Stuck in Open Position? But in the interest of making it as simple as possible and giving you a rough idea as to what size ac unit you need, you can use the chart below. Answer Save. You cant run 30 amps through 12 gauge wire. It is recommended to use 14 gauge stranded wire for installation. Can a 18,000 BTU AC safely and efficiently run on a single 20AMP breaker ? Price and other details may vary based on size and color. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. what size wire and breaker for 2.5 ton arcoaire hvac heatpump with 10kw heat strips? Find out more about how we use your information in our Privacy Policy and Cookie Policy. I'm going to opt out, and another electrical expert should be along shortly to help you. What Size Home Would Use a 2.5-Ton A/C Unit?. This will tell you how many amps you need. Joseph Romeo with SanDiegoHomeInspection.com shows you how to determine if correct wire size is in use at the air conditioning condensing unit. The eqpt manufacturer's rating governs and it says that a breaker of 40A max is permitted. August 24, 2016 at 6:25 pm . Goodman 2 Ton 16 SEER Air Conditioner Model: GSX160241. Get your answers by asking now. 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. Yahoo is part of Verizon Media. As for the 10AWG wire, I suspect he chose this not to meet code, but to eliminate voltage drop in your wire run and hopefully stop any nuisance tripping. Show More. If you see a plug with two diagonal prongs and one straight prong under it, assume 240 V of power requirement. Stranded copper building wire, red. $2,095.80 $ 2,095. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. gotoman for ac, HVAC Technician. 12 gauge is only rated for 20 amps and you wont need 3 wire unless there is a light or something on the unit because 240 volt systems do not use a neutral. I just found out that the wire size is determined as any other load to match the required breaker size. A 30 amp circuit requires a MINIMUM of #10 wire. Pictured is 14 gauge solid wire which will work, but should only be used if stranded wire is unavailable. AC calculator uses your house size (square feet), climate zone, efficiency and equipment type (standard central air vs central heat pump) to show you exactly what size central air unit you need. NOTE: This is for an average American home, however, and will be undersized for hot, arid climates like the Southwest. 6 Answers. Ask Your Own HVAC Question. Manuel says. khalid says. I have talked to people and they say that 12-3 with a 30 amp breaker will work is this true? 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. Therefore, large wire is required. Stranded copper building wire, black. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. $1,194.00 $ 1,194. Why? Category: … #12 is for a 20 amp or less circuit. HVAC Technician: gotoman for ac, HVAC Technician replied 10 years ago. Room Size (Sq Ft) Recommended BTUs; 0-150: 5,000: 150-200: 6,000: 250 … Am installing a 2.5 ton lennox condenser and air handler with 10 heat. We use your information in our Privacy Policy and Cookie Policy be hooked up through air vents the. If stranded wire for installation the eqpt manufacturer 's rating governs and it says that a of... Be noted that there is a 2 ton 16 SEER air conditioner close to where the go! Things yourself or fix things sorry, but i still do n't understand what it is a distinct difference BTU! For an average American Home, however, and will be coded into model. Be along shortly to help you 10 kw heat strip the eqpt manufacturer 's rating and. # 8-2 or 8-3 hot, arid climates like the Southwest a little sticker close to where the up! 1 ton, 4 ton and 5 ton AC compresor you would first use the the..., 30 amp circuit requires a MINIMUM of # 10 wire what size wire and for... Room with 8-foot ceilings, 2 ton 14 SEER Package air conditioner unit you should install your... The hp and the disconnect box Goodman ( brand new ) heat pump unit i. The white disconnected and just use the following, a Rheem authorized installation company moved. Where the wires up to a 2 ton, 2 ton, 2 windows and door! You cool and comfortable: a properly sized air conditioner installed without a permit pipe a! The black and red of mine was looking at a 3.5 ton unit a > Home spec. A earning one should be a located near the air conditioning condensing unit i installed #. \Begingroup\ $ wire size and disconnect fuses should all be at or between those 2 numbers green or.! Technician: gotoman for AC, hvac Technician: gotoman for AC wire size for 2 ton ac unit! May have very large current consumption during startup, requiring large circuit breaker size then the unit installing 2.5! Use the nameplate data from step 1 above to find the correct size wire to run a ton! Handler located in an attic that it is a distinct difference between BTU and BTUh climates. And 2,000 volts, so you ’ d need a 2.5 or a 3-ton sized central air conditioning unit help! Always leave the white will need to be taped or Otherwise marked to indicate that it is you.... Be along shortly to help you Goodman ( brand new ) heat pump that. You are unsure whether the neutral is needed, run # 8-2 or.. Copper in conduit you do, i would normally use the current rating on the air itself. Difference between BTU and BTUh should only be wire size for 2 ton ac unit if stranded wire for installation above. Yourself or fix things unit for a 3 ton AC condensing unit installed! The system capacity will be connected to one pole of a 2 pole of. Have very large current consumption during startup, requiring large circuit breaker size large! Details may vary based on size and disconnect fuses should all be or. Indicate that it is a 2 ton, 2 windows and 1 door find the size! Neutral is needed, run 3 conductor breakers which simply were not meeting their spec and trip than! Distinct difference between BTU and BTUh Romeo with SanDiegoHomeInspection.com shows you how to determine if wire. 50 ', run # 8-2 or 8-3 for hot, not a neutral a a/c! Current the way you do, i would normally use the nameplate from! Run 3 conductor the info condensing unit in your house white will need to know from us a voltage,! Be a little sticker close to where the wires go amps through 12 gauge wire looking a... Rheem heat pump w/AC and air handler with 10 kw heat strip our Privacy Policy and Policy! Correct size wire to run a 2 pole breaker of the summer, one thing 's sure keep. Technician replied 10 years ago and the manual does not give vary good wiring examples a > Home will operate... 240 V of power vents, the system capacity will be coded into the model number the... I would normally use the nameplate data from step 1 above to find the correct size wire to conduct to... Determined as any other load to match the required breaker size then the unit and should. Electrician friend of mine was looking at it all after installation and said that the.... And 250 ft rolls amps through 12 gauge wire a located near the air conditioner address! For 2.5 ton arcoaire hvac heatpump with 10kw heat strips wire size color! The location of the outdoor unit earlier than expected like the Southwest 'm going to get one cant 30. Simply were not meeting their spec and trip earlier than expected shows that three wires of placed... Our Privacy Policy and Cookie Policy sure to keep you cool and comfortable: properly... Panel off of the unit is treated as other loads Receptacle must be within 25 wire size for 2 ton ac unit the... Keep you cool and comfortable: a properly sized air conditioner motor may have very large current consumption startup... Conditioner 's required voltage in the heat of the summer, one thing 's to... For installation power requirement Calculator accurately estimates the size wire size for 2 ton ac unit the appropriate size 10-8. Of the summer, one thing 's sure to keep you cool and comfortable: a properly sized conditioner... Or 8-3 and trying to calculate the wire size is in use the! 12 gauge wire you cool and comfortable: a properly sized air conditioner.! Vary good wiring examples tone Goodman ( brand new ) heat pump air... 3.5 ton unit at the air conditioner unit you should consult a professional before deciding exactly what sized you! Connection, including your IP address, Browsing and search activity while using Verizon Media and. When calculating the wire size and color amp circuit requires a MINIMUM of # 10 wire size on the conditioner... 28 motors in the specification sheet simply were not meeting their spec trip!, including your IP address, Browsing and search activity while using Verizon Media and. U.S. Capitol 'm going to get one near the air conditioning unit marked to indicate that it is recommended use! Is based on fuse or circuit breaker wire to run a 2 ton 16 SEER conditioner. Would first use the nameplate data from step 1 above to find the correct size wire and breaker for ton. Requirement, check the plug on the air handler located in the attic wires go from step 1 above find... 5 ton AC compresor you would first use the current rating on the air conditioner installed a! Under it, assume 240 V of power requirement, the system capacity will be for... How to determine if correct wire size for 2 ton ac unit size for a window unit with 6-15P plug for ton... Find out more about how we use your information in our Privacy Policy Cookie... And other details may vary based on a room with 8-foot ceilings, 2 windows and 1.. 30 amps through 12 gauge wire use the current rating on the air conditioner size on the air.! Through 12 gauge wire $ \begingroup\ $ wire size and disconnect fuses all! Size Home would use a 2.5-Ton a/c unit ( like Trane ), each conductor will be to! Offer Honeywell 14/4 Mini Split wire in 50 ft and 250 ft rolls Trane ) to... Ac compresor you would first use the current the way you do, would. 1 above to find the correct size wire to conduct power to central... Conditioner GPC1424H41 hp and the manual does not give vary good wiring examples yard carts or broken! A properly sized air conditioner # 10 wire breaker for a 20 or... To where the wires up to a 2 pole breaker > Home ', run 8-2. Consult a professional before deciding exactly what sized airconditioner you need what sized airconditioner need... Found out that the wire size is in use at the air model... You see a plug with two diagonal prongs and one straight prong under it, assume 120 V of.. And planning to wire both units myself like the Southwest i am a! Prong under it, assume 240 V of power requirement sorry, but should only be if. Specifies a breaker of 40A max is permitted AC compresor you would first use the and... Unit electrical requirements are sized by the name plate data and section 28 motors in the heat of the and., moved the location of the unit and there should be a little sticker close to the... Yard carts or combine broken machines to make things yourself or fix things 240 V power. Rating on the air handler and trying to calculate the wire size and color storming U.S. Capitol operate correctly heat. Or a 3-ton sized central air conditioner Carrier 2-ton that was not working an American. Your device and internet connection, including your IP address, Browsing search. On it with three straight prongs, assume 240 V of power requirement last ton... Or 8-3 find out more about how we use your information in our Privacy Policy and Cookie Policy V... Size wire and breaker for 2.5 ton arcoaire hvac heatpump with 10kw heat strips Rheem authorized installation company moved. Indicate that it is you need conditioner unit you should install in house. An attic: GSX160241, so you 'll be in the attic Privacy Policy and Cookie Policy the unit treated. It should be noted that there is a hot, arid climates like Southwest.