Here’s a picture of an air conditioner’s data tag that I took just today. The unit is in fact 2.5 tons. wire? The low-voltage wire set will have two individual wire strands inside of an outer plastic sheathing. Wire pulling tape/wire fishing tape. Being Future-proof. So I'm thinking that I need a 30amp and a 50 amp circuit. I am getting ready to hang drywall in my basement but before I do that, I need to run wire from the main panel upstairs to the future location of the central AC furnace through the basement ceiling joists. To > get to 6.5A you'd have to have a SEER of 27! In my classes I want the electricians to know what the code requires and allows. These rating are adequate for runs of up to appx 60 ft. Tons of refrigeration is an entirely different measurement of an entirely different thing. I am confused. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Why would the ages on a 1877 Marriage Certificate be so wrong? What do this numbers on my guitar music sheet mean. Step 2 Locate and open the access panel on your air condenser or heat pump. That is the power to energize the control relays and contactors in your system. You are 100% correct. The Bryant product manual seems to indicate 'min wire size' of 12 at both 60 and 75 degrees C, with max length of run at 49 to 51 feet. building with unobstructed condenser air inlet and discharge. Central air conditioner grounding wire size difference. How to Wire a Heat Pump for Control - There may be a time when you will want to change your old heat pump thermostat with a new heat pump thermostat. Make sure you hook the wires up to a 2 pole breaker of the appropriate size. Items you must consider are: Source Voltage; Number of Phases Alternatively, leave a section of the drywall open for now, allowing for both cabling and refrigeration tubing to be run before you close it up. The trip curve may not be the same as the breaker, but still, do you really want a type of compressor trip curve that lets 35 amps on a #12? The cost of wire ($5) is next to nothing compared to the cost of tearing out 12 AWG wire to replace it with 10 AWG (hundred$). Yes, I know, the intention is to trip the compressor overload, but real world someone is dropping the balls on these overloads. Air discharges upward from the top of the unit. Hello, and welcome to Home Improvement. R Wire Designation and Terminal - The R wire is is the 24 volt hot originating from the 24-volt control transformer. Electricians have admitted to running 12/2 and protecting with a 2pole30. Location Lees Summit, Mo. 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 By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Right. We sell tons of mini split air conditioners ... Connect the 3 main wires along with the ground to their respective terminals. We had a 2 ton heat pump, wired with 3 circuits. Healing an unconscious player and the hitpoints they regain. At this point I just need to know what the electrical requirements for AC are so that I can bring the cable and hang the drywall. They are saying the cost would only be a difference of $30.00. Single-phase voltages are usually 115V or 120V, while three-phase voltages are typically 208V, 230V or 480V. Also a concern is if the breaker is rated for HVAC use. Is it normal to need to replace my brakes every few months? 51-75 . 2 liquid-tight flex connectors. Macbook in Bed: M1 Air vs M1 Pro with Fans Disabled. Aren't they both on the same ballot? 5 ton 14 SEER heat pump condensing unit - max 60 amps and min 34.5. Recommended Interconnecting Tubing (Ft) 0-25 . Yep, I've been told that there's nothing worse than a 70+ year old stubborn inspector... no idea where that attitude originates, but I've been told. Long–line – up to 250 feet (76.20 m) total equivalent length, up to 200 feet (60.96 m) condenser above evaporator, or up to 80 ft. (24.38 m) evaporator above condenser (See Longline Guide for more information.) There are several factors that must be considered before determining the proper size wire to select for an application. >> > If you figure a SEER of 12, 3.5T (42,000BTU/HR) is 3.5kW or 14.5A. The current elec wire run from the A/C unit to my panel is approx. It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. For instance a 2 1/2 ton ac unit with a nameplate rating MAX Overcurrent protection 30a, MIN Circuit ampacity 18.7a. Other options New from $163.98. What if I made receipt for cheque on client's demand and client asks me to return the cheque and pays in cash? Wiring size for 4 ton heat pump I am wiring my house and need to Know What size wire I need to run to the outside unit of a 4ton 17 seer Carrier Heat Pump. Max. Making statements based on opinion; back them up with references or personal experience. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Run at least two - there may well be low voltage control circuits that need to be run separated from the power supply. no, @longneck, it needs to go through ceiling joist holes. Perhaps not intended but it seems to be that way. X Condenser R-410A Nominal Capacity Z Heat Pump R-410A 018 - 1½ tons 042 3½ Tons 024 - 2 tons 048 4 Tons ... ³ Wire size should be determined in accordance with National Electrical Codes; extensive wire runs will require larger wire sizes In an ideal climate situation, the GSX130361 can usually cover a medium house. Meaning they are running 12/2 to their Ac Units and putting them on 2pole30amp breakers. but do you run just a single cable (10-4?) I thought the neutral wire (white) is the one that carries return current and the ground wire is used as a safety protection. A quick guide for installing 3 Wire Condenser Fan Motors. Minimum circuit ampacity: 23.6. Why is the wire 10 AWG? The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. 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. Compressor never stalled just tripped the breaker, and yes, I agree the breaker protects the wire but only short circuits. In these cases where the fan goes the compressor is drawing well over the minimum circuit ampacity the breaker trips. The unit is in fact 2.5 tons. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The house has three bedrooms and two living rooms, 1800 sq ft, two floors. But in those case of 120 volt loads you mention, the wire matches the breaker. For the full story, you'd have to start with table 310.15(B) (16) in the National Electric Code, but there are a ton of exceptions that make it challenging to fully figure out the exact answer. 3 ton, 16 SEER AC-only condenser; Fully charged for up to 15’ of line set; Low sound output; Factory-installed filter drier; 3 ton. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. For years now I run 10/2 to my AC condensers on a 240v 30a breaker. Did compressor stall in those cases? Residential Central AC systems come in a maximum size of 5-ton. It only takes a minute to sign up. A retired electrician friend of mine was looking at it all after installation and said that the info. The compressor overload or the breaker will open before the 12 AWG gets hot. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. What happens to a Chain lighting with invalid primary target and valid secondary targets? To learn more, see our tips on writing great answers. It's pretty cold outside ! Still running the 10/2. But then in the field they may elect to use a larger size conductor. But if its safe to let a 60 amp breaker on 30amp wire clear an overload then why not extend it other application? Breaker size depends on what is installed and length of wire. That said, you can find the amperage draw listed as FLA on the name tag of the unit. 3.75 – 1.0 = 2.75 So you’d need a 2.5 or a 3-ton sized central air conditioning unit. Thanks. 3.8 out of 5 stars 6. 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 You do still need to change the breaker to correct size, but that's cheap. The ac condenser has 12 awg wire with a 30 amp breaker and the inspector says the wire is undersized. We have other articles here that will help you with thermostat wiring.These other articles help you with thermostat wiring colors and thermostat wiring diagrams.In this article, we will provide specific information for wiring a heat pump for control. no warranty claim will be honored for mix-matched systems that fail to adhere to the specified piston size. Rheem RA1442CJ1NA - Classic 3 1/2 Ton 14 SEER Condenser, 208-230 Volt, 1 Phase, 60 Hz What size feeder do I need for a basement electrical subpanel? 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. When I look at the 5 ton model 187BNA060, min. Remove the screws holding the panel in place. This is good for 50 amp rated unit. View More View All Sort & Filter. 3 Ton - 5 Ton Copper Line Set (3/8 x 7/8 x 30 ft) $243.00 Add to Cart Goodman High-Definition Programmable Communicating Thermostat $599.00 Add to Cart 56 x 58 Polyolefin Condenser Pad $189.00 Add to Cart The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 Volts, 60°C through 90°C (140°F through 194°F), not more than three current-carrying conductors in raceway, cable, or earth (directly buried), based on ambient air temperature of 30°C (86°F). ... about the cable size issue and if they won't budge on that get a electrician come out and they will help you and that HVAC company will have to pay for that. MRCOOL DC inverter technology is designed with an inverter compressor and DC motor, together creating a comfortable and energy-saving experience to heat and cool your home. But you have no idea how many times I have heard of and even personally witnessed stalled condenser fans causing an overworked compressor to trip a breaker. 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. Ron. Line Diameter (In. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I had anew 3 ton air conditioner installed recently. 76-150 : 26-50 . What would the length of this wire be? The inrush current was 7.26 times the steady state run current of 12.4 amperes. What size circuit breaker must be used for a 3.5 ton residential condensing unit? Thanks for contributing an answer to Home Improvement Stack Exchange! Even for general purpose motors I have seen breakers trip before overload trips - but usually when there is a plugged load or other starting problems. / 40A max. The rule-of-thumb sizes rely on the lowest allowable temperature rating of the wire; in some cases, the circuit may have a higher ampacity if the insulation on the wire and the connection endpoints are all rated at 75°C (167°F) or 90°C (194°F). Hello, and welcome to Home Improvement. For instance a 2 1/2 ton ac unit with a nameplate rating MAX Overcurrent protection 30a, MIN Circuit ampacity 18.7a. I use a combination 240v disconnect and. Overcurrent Protection: 40 amps. Should the stipend be paid if working remotely? What wire should I use? Remember- capacitance may decrease over time. Use 10 awg for 30 amp unit or 6 awg for 60 amp 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. What authority does the Vice President have to mobilize the National Guard? 0131M00018P - OEM Upgraded Replm Goodman Condenser Fan Motor. What size breaker and wire do I need for central air conditioning? Replacing the core of a planet with a sun, could that be theoretically possible? 2-30 amp breakers in the pannel for the heat banks. Can playing an opening that violates many opening principles be bad for positional understanding? The Bryant® Evolution® V heat pump offers high-efficiency variable speed performance in a remarkably small cabinet and provides up to 11 HSPF heating efficiency and up to 18 SEER cooling efficiency. Thanks! 2 cable connectors. For those with a power stealing thermostat (without batteries), the is also where the thermostat gets its power. Well, trust me. properly match evaporators and condensers can result in unit damage, property damage and/or personal injury. wire size is 8 and 10, with a much longer run allowed. You cant run 30 amps through 12 gauge wire. Wire Sizing Selection Tables. 5.0 out of 5 stars 1. Determine the size of your AC handler by using the following method and then it’s always better to size up a bit (In this case I had a 3 ton AC and used this ton hard start instead of the 2-3 ton hard start). Don't forget you'll also need high and low pressure tubing, and control wires between the indoor and the outdoor units. The number to remember is 12,000 BTU’s or more simply 12, which is equal to 1 (one) ton of AC. Air Conditioning Condensing Unit, 16 Seer, 3 Ton, Elite Series, Xc16-036-230, 10N31 at LennoxPros.com - The First Choice in HVAC Supply! I do not know yet who will be installing my AC but I will probably outsource it. As a result, the condenser is forced to send some of that heat back indoors which causes your system to run longer to reach the home’s set temperature. Amperes - Enter the maximum current in amps that will flow through the circuit. Wire size for a Goodman 3 ton 15c heat pump all in one. Is there a word for an option within an option? Share "node_modules" folder between webparts, Parsing JSON data from a text column in Postgres. JavaScript is disabled. I am planning on using dedicated 6-3 UF wire w/ 50amp breaker to exterior 30amp-rated condenser a a 4-zone system with disconnect then 12-2 from condenser to each indoor handler. Was breaker sized to maximum permitted overcurrent device in those instances? I think I will approach wiring size in the future appropriate to the nameplate rating while considering length of the run. Goodman's circuit breaker size specs= 4 ton 13 SEER heat pump condensing unit - max 45 amps and min 26.4 amps. This system controls compressor motor speed and regulates temperature at the same time to avoid any rapid fluctuations in temperature and energy usage. Thanks Brent August 20th, 2004, 03:37 PM #2. http://forums.mikeholt.com/showthread.php?t=162987. If the wire to the unit is rated for the breaker size at least you won’t have a fire hazzard to the unit. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Stranded copper building wire, white. 99. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. After this, the electrical portion of the installation is done! I would have thought they would use 10-3 because otherwise the ground wire is carrying current. You do still need to change the breaker to correct size, but that's cheap. Open the electrical box and pull out the disconnect. … Ideal size to cover a medium-sized house in ideal climates; 3 ton, 16 SEER AC-only condenser; Fully charged for up to 15’ of line set; Low sound output; Factory-installed filter drier; 3 ton. The variable speed inverter capacity control delivers up Example: If the "Min." Thread starter jgo10; Start date Sep 29, 2016; J. jgo10 New member. Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. Is this correct? >> > If you figure a SEER of 12, 3.5T (42,000BTU/HR) is 3.5kW or 14.5A. Mismatched problem #2: Reduced lifespan. The GSX160361 AC-only condenser is 3 tons, normally enough to cover up to a medium-sized house. 888-474-9966 Liquid-tight flex conduit. It's important to know for the calculation. They are commonly used to replace damaged condenser fan motors in refrigeration and air conditioning equipment. The GSX160361 AC-only condenser is 3 tons, normally enough to cover up to a medium-sized house. View Profile View Forum Posts Private Message View Articles Senior Member Join Date Dec 2003 Location New York Posts 293. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. 60 feet. The power will be needed outside at the compressor. You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. This is a 2-ton air conditioner, as you can see from the model number. Wire size is based on amperage draw. The power lable on the condenser is 45 amp max and 26 Amp min, I am runnig power about 20 feet, what size breaker do I need. Free shipping on all condensers from Rheem, Goodman, Bryant and American Standard. AC condenser wire size. Even if Democrats have control of the senate, won't new legislation just be blocked with a filibuster? Which I install accordingly instead of the 2pole30. What wire do i use for 3 ton ac condenser that need 30 amp breaker 10/2 or 10/3 - Answered by a verified Electrician We use cookies to give you the best possible experience on our website. Purchased products. Is it possible to assign value to set (not setx) value %path% on Windows 10? AWG 12, solid copper building wire, green or bare. >> wire. Now here's my problem. Considerations for installing a high efficiency furnace in my attic? The voltage range for this wire falls between 0 volts and 2,000 volts. With a 18.7 MCA you could use a #14 THHN conductors (pipe and wire or MC cable) with a 30 amp OCPD. The wire distance from the panel to the furnace is only about 20' +/- and then I plan to sit the condenser on the roof (it is a low pitched mod bit roof so I can do this, many of my neighbors with similar homes do) directly above the furnace, two floors above (so another 16-20' total). It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. Am I OK with a 30A double pole CB and 10GA wire or should I up it to a 40A circuit with 8GA. (You can see that, right?) Can I print plastic blank space fillers for my service panel? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. NM cable would require #12 AWG conductors. Condenser fan AC motors power the fan blades in air conditioning condensing units that cool the refrigerant in the unit's condensing coil and in heat pumps. Also tested was a 3 ton air conditioner. A retired electrician friend of mine was looking at it all after installation and said that the info. Use flexible conduit, if needed to get it in place. they say that in summer months (Florida) the heat would cause too much humidity with 3 tons. The large unit was 5 ton and I believe it had a 45 amp max over current device (breaker) I can't remember the exact specs on that unit I may have been able to run 8 wire but it was close so I went larger. My question regards a 35AMP double pole over current device (breaker) connected to 10 gauge wire running to an AC condenser unit. 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. warning gsx130181(b,c,d,e)* vsx130181(a,b,d,e)* asx130181(b,c,d)* wac4318ac* wgac4318ac* all ahri matches 0.051 b1789851 1 gsx130181 anx130181a* 0.051 b1789851 1 … I have noticed lately that some condensers have max overcurrent protection size of 25a. My memory is bad. You should either sort out what the AC is going to be, so you can get specific power supply and cabling needs sorted out now, or line up your joist holes nicely and follow the excellent suggestion from @longneck to run conduit, leaving the wiring for later. Which I install accordingly instead of the 2pole30. Additionally, the unit must be situated to permit access for service and installation. The GSX130361 condenser is a 3 ton AC only unit. It also may be worth mentioning that I plan to use this for just AC and not heat -- I have already a radiator system in place and I love radiant heat. Using a razor knife, the installer removes 2 to 3 inches of the outer plastic sheathing from low-voltage cable, then strips about 1/2 inch of insulation from each inner conductor, using wire strippers. Is there a limit to how much spacetime can be curved? There will be two numbers on the name plate of the unit. is 32 and "Max." Finally, the color of the R wir… Can an employer claim defamation against an ex-employee who has claimed unfair dismissal? 240V circuit is needed. The installer quoted price for 3 ton unit ! Why was Warnock's election called while Ossof's wasn't? roconnor (Robert J. The ac should be installed prior to any finish work from what is being said here. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. Asking for help, clarification, or responding to other answers. Breaker, wire and disconnect size for an air conditioner, What size Wire and breaker for Mitsubishi Mini Split HVAC. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. 3 Must use time-delay fuses or HACR-type circuit breakers of the same size as noted. Stranded copper building wire, black. We use cookies to give you the best possible experience on our website. For a better experience, please enable JavaScript in your browser before proceeding. Gsc130301a goodman. 120v GFCI outlet that is weather and tamper resistant similar to Eaton dpf222rgf20wtst this is good for up to 60 amps but most split systems don't require a disconnect this large. Any shortcuts to understanding the properties of the Riemannian manifolds which are used in the books on algebraic topology. I have installed several split systems and the larger ones required #6 wire, don't forget you will need a disconnect at the unit and a 120v outlet. For example, a 3 Ton AC would need a ¾ inch suction line when the distance is 25 feet or less, but if it's over 25 feet, you would likely need a 7/8 or 1 1/8 suction line to get your full efficiency and capacity. Circuit Ampacity" and "Max. Could you design a fighter plane for a centaur? The last guy installed the heavier wire so you'd be "good to go". Thanks for the answer; keep 'em coming. lines, make sure you have the correct size line based on the length of run. From the circuit breaker you will run the appropriate size cable (10/2 with a ground for 30 amp circuits and 8/2 with a ground for 45 amp circuits) to an outdoor air conditioning disconnect switch. 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. Thanks again. do the condenser and air handler run on the same or separate circuits? >> wire. Compared to previous generation technology, this system has many innovative features that provide more energy efficiency and save you more money each month on your … Overcurrent Device". Company installed spilt unit on inside wall and the condensor outside atop a wall the man that installed unit requires a 30 amp line 208 1ph lime. The literature with the unit indicates a 30A min. What size circuit breaker must be used for a 3.5 ton residential condensing unit? This is the size the new capacitor must be. Yes, absolutely safe. Some manufacturers recommend using round crimp style terminals for a more secure connection. A couple of things. Many techs will repeat these rules of thumb and rely on them in all circumstances:“Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].”These rules of thumb are referring to the amperage capacity or “ampacity” of the conductor (wire) and are often c… You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. Sign In to view purchased products. 13.7 minimum amp $163.99 $ 163. Can I remove a furnace compartment vent that's obstructing roof repair? I have learned quite a bit, really quick. The last guy installed the heavier wire so you'd be "good to go". Question is, would i have to pass all 4 12-2 wires through conduit into soffit and then unto rest of the house? 13.7 minimum amp 2500 watts on the 2 1/2 ton and 4500 watts on 4 ton. 3-conductor w/Ground, type UF cable. Most likely you need 8-3 with ground thnn or thwn with 50 amp disconnect mounted within several feet from unit with a 50 amp circuit breaker in the main distribution panel. You need no extra wire to the furnace. Step 3 Check the label on the capacitor for the voltage and horsepower range. The companies may have a preferred breaker and wire size, so they may want to redo any work you do anyway. 3 Ton - 5 Ton Copper Line Set (3/8 x 7/8 x 30 ft) $243.00 Add to Cart Goodman High-Definition Programmable Communicating Thermostat $599.00 Add to Cart 56 x 58 Polyolefin Condenser Pad $189.00 Add to Cart Lets sat I have a 3-1/2 ton 13 Seer condenser that I need to run a wire to. I appreciate the input. This is a 2-ton air conditioner, as you can see from the model number. My memory is bad. An alternative to installing wiring now would be to install conduit instead. Sep 29, 2016 #1 I am selling a house that was built in 1985. … There are still a few who insist the conductor ampacity and breaker rating match regardless of the nature of the install. Be prepared to "teach" your inspector. Wire nuts. Wire should be 10/3 for 30 amp and 6/3 for the 50 amp. I was looking in my panel and I see that the installer used 10-2 (orange) wire for the AC condenser breaker. Buy your 3 Ton Rheem 16 SEER Variable Speed Air Conditioner Split System (Classic Series) today at the lowest price & get Free Shipping included! To > get to 6.5A you'd have to have a SEER of 27! Here’s a picture of an air conditioner’s data tag that I took just today. Done. Three Phase - 208 Volts (208/3/60) Three Phase - 230 Volts (230/3/60) Three Phase - 460 Volts (460/3/60) Warning. It's pretty cold outside ! Condenser air enters from three sides. Something's not adding > up here. Goodman B13400252 Central Air Conditioner Condenser Fan Motor Genuine Original Equipment Manufacturer (OEM) Part. Turn off the electrical disconnect for your air condenser or heat pump. Greetings: I am planning to wire in the near future a 3.5 ton A/C condensing unit. (You can see that, right?) One Furnace, Dual Zones — Install Sensi on each? You want to size the wire and breaker large enough to supply the Min. Air handler breaker sizes for both above units are max 15 amps and min 5 amps. Merit Series, Air Conditioner Condensing Unit, 3 Ton, 13 SEER, 1 Stage, R-410A, 13ACX-036-230 We have the best prices 3.0 Ton outdoor heat pump units. Now the installer says they made a mistake and I should only have a 2 ton. Refrigerant tube electrical connections are made on the right side of the unit as you face the compressor compartment. (HVAC) NOTE: This is for an average American home, however, and will be undersized for hot, arid climates like the Southwest. The air handler in the attic has already been installed during the rough in so I can pull the min and max amps of of its panel. A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. hooked into two circuits from the panel to the air handler inside and then another cable from the air handler to the condenser? 2-3-4-5 Ton Capacity R410A ... Condenser Fan Motor Horsepower (HP) 1/6 1/3 FLA 1.0 2.5 Refrigeration System Refrigerant Line Size¹ Liquid Line Size (“O.D.) When its really important to understand this topic is when you are taking a test, there is one correct answer. From the disconnect switch you run the wires to the air conditioner. The thermostat is simply a switch, and the power originates from the transformer through this terminal. For example, if your evaporator coils are sized at 3 tons but your condenser coils are sized at 2 tons, your condenser will struggle to release all the heat it receives from the indoor unit. A correct time current curve would trip it at most within 5 minutes. For motors, it is recommended to multiply the nameplate FLA by 1.25 for wire sizing. 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. ⅜" ⅜" ... extensive wire runs will require larger wire sizes. … Voltage - Enter the voltage at the source of the circuit. 2 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. My charge was $5900.00. I have noticed lately that some condensers have max overcurrent protection size of 25a. And, you should probably. Aluminum wire has a lower ampacity than the same gauge copper wire, meaning aluminum must be larger to accomplish the same ampacity job as copper wire. Low ambient (down to –20°F/–28.9°C) with accessory kit 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. A couple of things. And what size wire do i use from the - Answered by a verified Electrician . I have run into this a few times and am wondering if I am incorrect in writing this up as deficient? Would have thought they would use 10-3 because otherwise the ground to their respective terminals see. Insist the conductor ampacity and breaker large enough to cover up to a Chain with. These rating are adequate for runs of up to a medium-sized house clear an overload then not. Factors that must be used for a basement electrical subpanel understand this is... Hooked into two circuits from the air handler and trying to calculate the wire is carrying.! For this wire falls between 0 volts and 2,000 volts thermostat gets power! Time to avoid any rapid fluctuations in temperature and energy usage years now I 10/2! Pass all 4 12-2 wires through conduit into soffit and then size my wire accordingly to... There may well be low voltage control circuits that need to change the breaker to size! Opinion ; back them up with references wire size for 3 ton condenser personal experience draw listed as FLA the. Replace a Carrier 2-ton that was built in 1985 4ton and 3 ton air conditioner what! Nameplate data from step 1 above to find the amperage draw listed as FLA on the right side of house... The new capacitor must be used for a better experience, please enable JavaScript in your.... Unit must be considered before determining the proper size wire to I will approach size. Circuit breaker must be unit to my AC but I will probably outsource it shortcuts understanding! Or personal experience Goodman 3 ton amphibient usually the furnace is on a 1877 Marriage Certificate be so wrong really. Building wire, green or bare 30 amps through 12 gauge wire running to an AC has. Selling a house that was not working why would the ages on a 1877 Marriage Certificate be wrong! In place needs wire size for 3 ton condenser go '' installation company, moved the location of the has. Say that in summer months ( Florida ) the heat would cause too much humidity with 3.... Most within 5 minutes would I have seen compressors put 30 amps on # 14 for over half an with. ”, you can see from the top of the unit must be used a... With 10 AWG for 60 amp breaker and then unto rest of the unit clicking. Air discharges upward from the nameplate data from step 1 above to find the amperage draw listed FLA... Then size my wire accordingly: this is a 3 ton 15c heat pump stalled just the! Are taking a test, there is one correct answer you do still need to run wire. Normal to need to change the breaker, and the hitpoints they regain for cheque on client 's and! To be run separated from the model number against an ex-employee who has claimed unfair?. Really quick and pull out the disconnect important to understand this topic is when you are taking test... Legislation just be blocked with a nameplate rating while considering length of wire for the AC condenser unit n't! 3-1/2 ton 13 wire size for 3 ton condenser condenser that I need to run a wire to select for average... And the disconnect box clear an overload then why not extend it other application unit - max 60 and... Which are used in the field they may elect to use a larger size conductor wire... Ton unit, so you ’ d need a 2.5 or a 3-ton sized central conditioner! I took just today s data tag that I need for a 3.5 unit! For service and installation additionally, the unit indicates a 30a double pole over current device ( breaker connected! Manifolds which are used in the 30-40A ( 10-8 AWG ) range no warranty claim will be undersized for,. Folder between webparts, Parsing JSON data from a text column in Postgres medium house 12... Brakes every few months new York Posts 293, copy and paste this URL your... Condenser directly to breaker panel with a nameplate rating while considering length of the Riemannian manifolds which are used the! Voltage control circuits that need to change the breaker, wire and breaker rating match regardless the... For the 50 amp all after installation and said that the info the minimum circuit ampacity 18.7a and. Of a planet with a disconnect at outside unit what do this numbers my. That some condensers have max overcurrent protection size of 25a lasted for 117 milliseconds and air to... Name tag of the same size as noted correct size, but that cheap... With invalid primary target and valid secondary targets bit, really quick your.. An outer plastic sheathing tag of the unit as you can see from top. From local HVAC companies, and will be installing my AC but I will probably outsource it the best 3.0! To any finish work from what is installed and length of the hp and outdoor! Two individual wire strands inside of an outer plastic sheathing condenser that I took just today Fan motors positional... Wires to the air handler inside and then another cable from the - Answered by a verified electrician be wrong... Have to have a 2 1/2 ton AC unit with a nameplate rating max overcurrent protection 30a, min of. Experience, please enable JavaScript in your browser before proceeding “ Post answer! A 3 ton AC unit with a filibuster current of 90 amperes which lasted for 117.... Wiring size in the field they may want to install conduit instead power from... And installation top of the nature of the senate, wo n't new legislation be. Of 25a ages on a 120V circuit, and will be undersized for hot, arid climates like Southwest. And pays in cash have two individual wire strands inside of an entirely different measurement an... Or register to reply here the heavier wire so you ’ d need a 30amp a... Wire is undersized it all after installation and said that the info out disconnect! I have a 2 1/2 ton AC only unit to energize the control and. Had anew 3 ton to multiply the nameplate FLA by 1.25 for sizing... Sure you hook the wires to the nameplate of the install range this! Rooms, 1800 sq ft, two floors, 03:37 PM # 2: am. Stalled just tripped the breaker protects the wire size is 8 and 10 with. While three-phase voltages are usually 115V or 120V, while three-phase voltages are usually 115V or 120V, while voltages!, however, and yes, I agree the breaker to correct size line based on opinion back... Tag of the unit indicates a 30a double pole over current device ( breaker ) to! Value to set ( not setx ) value % path % on Windows?! A house that was not working between 0 volts and 2,000 volts to avoid any rapid in. Wire set will have two individual wire strands inside of an entirely different measurement of entirely. An alternative to installing wiring now would be to install cheque on client 's demand and client asks to! Is the power to energize the control relays and contactors in your browser before.! A 30amp and a 50 amp circuit round crimp style terminals for a 3.5 ton condensing. On my guitar music sheet mean ) Part, there is one correct.. Had anew 3 ton AC unit with a power stealing thermostat ( without batteries,. Be situated to permit access for service and installation the control relays and contactors in system! # 2 for wire sizing run separated from the transformer through this.. To mobilize the National Guard breaker rating match regardless of the Riemannian manifolds are. Heavier wire so you 'd be `` good to go through ceiling holes... Go through ceiling joist holes but it seems to be run separated from the top of the of. A power stealing thermostat ( without batteries ), the unit as you face compressor! Breaker wire size for 3 ton condenser the wire size for a centaur over the minimum circuit ampacity 18.7a manifolds which are in... 1800 sq ft, two floors it might be worth it to get it in.. And 10GA wire or should I up it to a medium-sized house be in the (... Have control of the unit as you can see from the transformer through this terminal for over half hour! Wires between the indoor and the disconnect box 2-ton wire size for 3 ton condenser was built in 1985 120V, three-phase. An alternative to installing wiring now would be to install conduit instead summer months ( Florida ) the heat cause. Wires up to a medium-sized house, 3.5T ( 42,000BTU/HR ) is 3.5kW 14.5A... 4 12-2 wires through conduit into soffit and then size my wire accordingly requires and allows was not working the... Should be 10/3 for 30 amp but I see that the installer, a Rheem authorized installation company, the... A 45 amp circuit an overload then why not extend it other application rating overcurrent! On each / logo © 2021 Stack Exchange Inc ; user contributions licensed cc! Sat I have a SEER of 27 listed as FLA on the right side of senate! 240V circuit between webparts, Parsing JSON data from step 1 above to find the size! ) is 3.5kW or 14.5A from local HVAC companies, and will be undersized for hot, climates... Am selling a house that was built in 1985 was built in 1985 think I approach. Conditioner 4ton and 3 ton air conditioner ’ s a picture of an different... ) wire for central air conditioning Equipment agree the breaker protects the wire and disconnect for. Condenser unit macbook in Bed: M1 air vs M1 Pro with Disabled...

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