If you see a plug with two diagonal prongs and one straight prong under it, assume 240 V of power requirement. Otherwise, the system will not operate correctly. Why? ? Step 2 Check the air conditioner's required voltage in the specification sheet. Double-Pole, 240-volt circuit breaker. You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. I'm sorry, but I still don't understand what it is you need to know from us. 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. Total Home Supply offer Honeywell 14/4 Mini Split wire in 50 ft and 250 ft rolls. A 30 amp circuit requires a MINIMUM of #10 wire. Stranded copper building wire, black. This will tell you how many amps you need. Room Size (Sq Ft) Recommended BTUs; 0-150: 5,000: 150-200: 6,000: 250 … 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. Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. 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. will #10 wire Show More. Liquid-tight flex conduit. what size wire and breaker for 2.5 ton arcoaire hvac heatpump with 10kw heat strips? 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. 7 years ago. Share this conversation. The system capacity will be coded into the model number of the outdoor unit. - 210.63 One light must be a located near the air handler located in an attic. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. It is recommended to use 14 gauge stranded wire for installation. Join Yahoo Answers and get 100 points today. If you're referring to an outside stand-alone a/c unit (like Trane), to be hooked up through air vents, the. Goodman 2 Ton 16 SEER Air Conditioner Model: GSX160241. AWG 12, solid copper building wire, green or bare. You cant run 30 amps through 12 gauge wire. 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. You cant run 30 amps through 12 gauge wire. What size house wire and breaker for a window unit with 6-15P plug? I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. installed for that AC eqpt with the wire size and treat it like it was a water heater, or a receptacle circuit. 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. This will tell you how many amps you need. If you are unsure whether the neutral is needed, run 3 conductor. GOP delegate films himself breaking into Capitol. I have a Goodman heat pump unit that I have purchased and the manual does not give vary good wiring examples. If you use 10-2 or 8-2 (no neutral), each conductor will be connected to one pole of a 2 pole breaker. June 28, 2017 at 5:14 am. Like make yard carts or combine broken machines to make a earning one? 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. 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. Only 1 left in stock - order soon. when calculating the wire size for a 3 ton AC compresor you would first use the following, a) 8/3 SEU COPPER. 6 Answers. Make sure you hook the wires up to a 2 pole breaker of the appropriate size. Your circuit breaker, wire size and disconnect fuses should all be at or between those 2 numbers. Joseph Romeo with SanDiegoHomeInspection.com shows you how to determine if correct wire size is in use at the air conditioning condensing unit. Price and other details may vary based on size and color. If you don't see a voltage requirement, check the plug on the air conditioner. $2,095.80 $ 2,095. Wire pulling tape/wire fishing tape. The white will need to be taped or otherwise marked to indicate that it is a hot, not a neutral. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. B)NEC table 9 ,AC Resistance. The air conditioner motor may have very large current consumption during startup, requiring large circuit breaker. Manuel says. Find out more about how we use your information in our Privacy Policy and Cookie Policy. 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. For example, model GSX140241K is a 2 ton unit. I have talked to people and they say that 12-3 with a 30 amp breaker will work is this true? 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. A Receptacle must be within 25 feet of the AC unit outside and any units located in the attic. There's nearly always a FAQ's page. 00. You should consult a professional before deciding exactly what sized airconditioner you need. Craftsman Millennium Drill Stuck in Open Position? Electrician: Jason, Service Technician replied 10 years ago. The voltage range for this wire falls between 0 volts and 2,000 volts. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. Get your answers by asking now. Favorite Answer. Some larger A/C unit electrical requirements are sized by the name plate data and section 28 motors in the Canadian Electrical Code. Stranded copper building wire, white. The AC unit requires a disconnect near it. What Size Home Would Use a 2.5-Ton A/C Unit?. Submitted: 10 years ago. Answer Save. Instead of calculating the current the way you do, I would normally use the current rating on the air conditioner itself. The eqpt manufacturer's rating governs and it says that a breaker of 40A max is permitted. 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. 80. 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): • … $1,194.00 $ 1,194. khalid says. 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. Removing  wall mounted air conditioner installed without  a permit? If it's more than 50', run #8-2 or 8-3. can i use a yellow plastic gas pipe as a water pipe? #12 is for a 20 amp or less circuit. It should be noted that there is a distinct difference between BTU and BTUh. August 24, 2016 at 6:25 pm . 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. Haven't come across a 2-ton unit yet. I've also seen some breakers which simply were not meeting their spec and trip earlier than expected. Take the panel off of the unit and there should be a little sticker close to where the wires go. 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. The manufacturers do not list the air conditioner size on the unit. 2 cable connectors. Category: HVAC. 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. Reply. August 18, 2016 at 10:13 am. I have 2.5 tone Goodman (brand new) heat pump w/AC and air handler with 10 kw heat strip. what size wire to run a 2 ton a/c unit 30 ft from box? I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. The last 4 ton AC condensing unit I installed used #14 THHN/THWN > copper in conduit. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. 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. 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. 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 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. In a case where the breaker size is listed on the data plate. Vulcan. I just found out that the wire size is determined as any other load to match the required breaker size. gotoman for ac, HVAC Technician. These figures are based on a room with 8-foot ceilings, 2 windows and 1 door. It is not. Wire nuts. 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 Get the cost of 1 ton, 2 ton, 4 ton and 5 ton ac unit. FREE Shipping. Reply. If you see a normal household plug on it with three straight prongs, assume 120 V of power requirement. Answered in 5 minutes by: 10/31/2010. Goodman 2 Ton 14 Seer Package Air Conditioner GPC1424H41. Kara says. Take the panel off of the unit and there should be a little sticker close to where the wires go. I'm master electrician and planning to wire both units myself. There are 12,000 Btu's per ton. 4 .5 out of 5 stars 2. Show Less. In the heat of the summer, one thing's sure to keep you cool and comfortable: a properly sized air conditioner. If the data specifies a Breaker Size then the unit is treated as other loads. Look at the amperage rating on the unit. manufacturer's website is your best answer. Relevance. HVAC Technician: gotoman for ac, HVAC Technician replied 10 years ago. Yahoo is part of Verizon Media. Category: … this is good and I going to get one. Reply. Who was the man seen in fur storming U.S. Capitol? FREE Shipping. Ask Your Own HVAC Question. They can always leave the white disconnected and just use the black and red. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. > I don't usually run conduit in a > home. the run is about 60 feet from my subpanel. What size AC unit for 2400 sqft ranch house in NC You can change your choices at any time by visiting Your Privacy Controls. Check your book for you're units spec Do you try to make things yourself or fix things? Pictured is 14 gauge solid wire which will work, but should only be used if stranded wire is unavailable. Do you know it? 2 liquid-tight flex connectors. A retired electrician friend of mine was looking at it all after installation and said that the info. \$\begingroup\$ Wire size is based on fuse or circuit breaker size. I'm going to opt out, and another electrical expert should be along shortly to help you. NOTE: This is for an average American home, however, and will be undersized for hot, arid climates like the Southwest. Hope this helps. Therefore, large wire is required. 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. Because this is an AC unit, it will likely be run when the voltage mains are at their lowest. 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. Wire protection nail plate for rough cut 2x4. Can a 18,000 BTU AC safely and efficiently run on a single 20AMP breaker ? model#PHD430000K000C . Still have questions? 3.75 – 1.0 = 2.75 So you’d need a 2.5 or a 3-ton sized central air conditioning unit. Stranded copper building wire, red. AC Unit Size Calculator accurately estimates the size of the central air conditioner unit you should install in your house. What size ac unit for a 2400 sq ft house? Sure you hook the wires go calculating the wire size is determined as any other to. Fix things with 8-foot ceilings, 2 ton unit comfortable: a properly air... Carts or combine broken machines to make things yourself or fix things air handler with 10 AWG Romex a with... 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Information about your device and internet connection, including your IP address, Browsing and search activity while Verizon... 30 amp circuit requires a MINIMUM of # 10 wire what size Home would use a 2.5-Ton a/c (! A breaker size conditioning unit size on the air conditioner 's required voltage the... You 'll be in the Canadian electrical Code, it will likely be run when the voltage range this. # 8-2 or 8-3 it will likely be run when the voltage mains are at lowest! ( 10-8 AWG ) range of calculating the wire size size then unit...