The rating plate says: Voltage: 208/230. For a better experience, please enable JavaScript in your browser before proceeding. With a 18.7 MCA you could use a #14 THHN conductors (pipe and wire or MC cable) with a 30 amp OCPD. Overcurrent Protection: 40 amps. Should the stipend be paid if working remotely? 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. I appreciate the input. For instance a 2 1/2 ton ac unit with a nameplate rating MAX Overcurrent protection 30a, MIN Circuit ampacity 18.7a. Perhaps not intended but it seems to be that way. My charge was $5900.00. Share "node_modules" folder between webparts, Parsing JSON data from a text column in Postgres. Thanks for the answer; keep 'em coming. Lets sat I have a 3-1/2 ton 13 Seer condenser that I need to run a wire to. 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. There will be two numbers on the name plate of the unit. … The variable speed inverter capacity control delivers up The ac condenser has 12 awg wire with a 30 amp breaker and the inspector says the wire is undersized. I do not know yet who will be installing my AC but I will probably outsource it. 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 Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. Replacing the core of a planet with a sun, could that be theoretically possible? 5 ton 14 SEER heat pump condensing unit - max 60 amps and min 34.5. Recommended Interconnecting Tubing (Ft) 0-25 . Thanks for the answer; I've removed the discussion that didn't answer the question. It's important to know for the calculation. Yes, absolutely safe. 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. Liquid-tight flex conduit. 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. 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 GSX160361 AC-only condenser is 3 tons, normally enough to cover up to a medium-sized house. Also a concern is if the breaker is rated for HVAC use. What would the length of this wire be? The companies may have a preferred breaker and wire size, so they may want to redo any work you do anyway. Now here's my problem. 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. You must log in or register to reply here. It's pretty cold outside ! In these cases where the fan goes the compressor is drawing well over the minimum circuit ampacity the breaker trips. 888-474-9966 To learn more, see our tips on writing great answers. Am I OK with a 30A double pole CB and 10GA wire or should I up it to a 40A circuit with 8GA. Run at least two - there may well be low voltage control circuits that need to be run separated from the power supply. Asking for help, clarification, or responding to other answers. I was looking in my panel and I see that the installer used 10-2 (orange) wire for the AC condenser breaker. This system controls compressor motor speed and regulates temperature at the same time to avoid any rapid fluctuations in temperature and energy usage. Thanks. 99. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. They are saying the cost would only be a difference of $30.00. Location Lees Summit, Mo. The low-voltage wire set will have two individual wire strands inside of an outer plastic sheathing. 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). Greetings: I am planning to wire in the near future a 3.5 ton A/C condensing unit. Ron. Purchased products. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. In my classes I want the electricians to know what the code requires and allows. Here’s a picture of an air conditioner’s data tag that I took just today. Step 3 Check the label on the capacitor for the voltage and horsepower range. AC condenser wire size. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. You do still need to change the breaker to correct size, but that's cheap. What size feeder do I need for a basement electrical subpanel? 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. is 50, I would go with a 40 amp breaker and then size my wire accordingly. 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 literature with the unit indicates a 30A min. lines, make sure you have the correct size line based on the length of run. Electricians have admitted to running 12/2 and protecting with a 2pole30. Open the electrical box and pull out the disconnect. 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. 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. 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. After this, the electrical portion of the installation is done! 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. The house has three bedrooms and two living rooms, 1800 sq ft, two floors. And what size wire do i use from the - Answered by a verified Electrician . Residential Central AC systems come in a maximum size of 5-ton. but do you run just a single cable (10-4?) Merit Series, Air Conditioner Condensing Unit, 3 Ton, 13 SEER, 1 Stage, R-410A, 13ACX-036-230 This is a 2-ton air conditioner, as you can see from the model number. The thermostat is simply a switch, and the power originates from the transformer through this terminal. Something's not adding > up here. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. Aren't they both on the same ballot? This is good for 50 amp rated unit. Tons of refrigeration is an entirely different measurement of an entirely different thing. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. You need no extra wire to the furnace. Meaning they are running 12/2 to their Ac Units and putting them on 2pole30amp breakers. We had a 2 ton heat pump, wired with 3 circuits. 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.) What size circuit breaker must be used for a 3.5 ton residential condensing unit? From the disconnect switch you run the wires to the air conditioner. Wire should be 10/3 for 30 amp and 6/3 for the 50 amp. 2 liquid-tight flex connectors. Finally, the color of the R wir… To > get to 6.5A you'd have to have a SEER of 27! The installer quoted price for 3 ton unit ! An alternative to installing wiring now would be to install conduit instead. It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. I think I will approach wiring size in the future appropriate to the nameplate rating while considering length of the run. Sep 29, 2016 #1 I am selling a house that was built in 1985. do the condenser and air handler run on the same or separate circuits? Goodman B13400252 Central Air Conditioner Condenser Fan Motor Genuine Original Equipment Manufacturer (OEM) Part. Sign In to view purchased products. You want to size the wire and breaker large enough to supply the Min. The GSX130361 condenser is a 3 ton AC only unit. Being Future-proof. they say that in summer months (Florida) the heat would cause too much humidity with 3 tons. 2 cable connectors. A quick guide for installing 3 Wire Condenser Fan Motors. Rheem RA1442CJ1NA - Classic 3 1/2 Ton 14 SEER Condenser, 208-230 Volt, 1 Phase, 60 Hz The unit is in fact 2.5 tons. Turn off the electrical disconnect for your air condenser or heat pump. They are commonly used to replace damaged condenser fan motors in refrigeration and air conditioning equipment. Minimum circuit ampacity: 23.6. Which I install accordingly instead of the 2pole30. Amperes - Enter the maximum current in amps that will flow through the circuit. (You can see that, right?) 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. @amphibient Usually the furnace is on a 120V circuit, and the condensing unit is on a separate 240V circuit. The ac should be installed prior to any finish work from what is being said here. Is it possible to assign value to set (not setx) value %path% on Windows 10? Remember- capacitance may decrease over time. The inrush current was 7.26 times the steady state run current of 12.4 amperes. 0131M00018P - OEM Upgraded Replm Goodman Condenser Fan Motor. Now the installer says they made a mistake and I should only have a 2 ton. Wire size is based on amperage draw. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Goodman CAPF3636B6 Goodman Evaporator Coil Full-Cased 3 Ton Upflow Or Downflow Goodman 3 Ton 16 SEER Air Conditioner R-410a GSX160361 Goodman 3 Ton 16 SEER Air Conditioner Condenser GSX16S361 R410a 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. 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. 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. 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. For motors, it is recommended to multiply the nameplate FLA by 1.25 for wire sizing. Question is, would i have to pass all 4 12-2 wires through conduit into soffit and then unto rest of the house? 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. 13.7 minimum amp I have noticed lately that some condensers have max overcurrent protection size of 25a. Also tested was a 3 ton air conditioner. 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. There are several factors that must be considered before determining the proper size wire to select for an application. (You can see that, right?) Goodman's circuit breaker size specs= 4 ton 13 SEER heat pump condensing unit - max 45 amps and min 26.4 amps. And, you should probably. Condenser air enters from three sides. There are still a few who insist the conductor ampacity and breaker rating match regardless of the nature of the install. 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 When I look at the 5 ton model 187BNA060, min. I had anew 3 ton air conditioner installed recently. We use cookies to give you the best possible experience on our website. 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. The GSX160361 AC-only condenser is 3 tons, normally enough to cover up to a medium-sized house. Is this correct? You cant run 30 amps through 12 gauge wire. NM cable would require #12 AWG conductors. Thanks! (HVAC) 76-150 : 26-50 . Hello, and welcome to Home Improvement. Low ambient (down to –20°F/–28.9°C) with accessory kit In an ideal climate situation, the GSX130361 can usually cover a medium house. >> > If you figure a SEER of 12, 3.5T (42,000BTU/HR) is 3.5kW or 14.5A. Additionally, the unit must be situated to permit access for service and installation. 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. Is there a limit to how much spacetime can be curved? My memory is bad. Can I print plastic blank space fillers for my service panel? Example: If the "Min." It's pretty cold outside ! 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. But in those case of 120 volt loads you mention, the wire matches the breaker. Max. Central air conditioner grounding wire size difference. A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. Stranded copper building wire, white. Be prepared to "teach" your inspector. roconnor (Robert J. Air discharges upward from the top of the unit. What do this numbers on my guitar music sheet mean. Right. 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. 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. It doesn't always happen, but Id venture to say a small percentage of compressor overloads are losing the correct time current curves as they age. Wire size for a Goodman 3 ton 15c heat pump all in one. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Breaker, wire and disconnect size for an air conditioner, What size Wire and breaker for Mitsubishi Mini Split HVAC. 2-30 amp breakers in the pannel for the heat banks. 3 Must use time-delay fuses or HACR-type circuit breakers of the same size as noted. For those with a power stealing thermostat (without batteries), the is also where the thermostat gets its power. 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. no, @longneck, it needs to go through ceiling joist holes. The unit is in fact 2.5 tons. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Macbook in Bed: M1 Air vs M1 Pro with Fans Disabled. … But if its safe to let a 60 amp breaker on 30amp wire clear an overload then why not extend it other application? Can I remove a furnace compartment vent that's obstructing roof repair? Dense wire coil guard; Applications. Is there a word for an option within an option? Wire nuts. Refrigerant tube electrical connections are made on the right side of the unit as you face the compressor compartment. My question regards a 35AMP double pole over current device (breaker) connected to 10 gauge wire running to an AC condenser unit. 60 feet. 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. If the wire to the unit is rated for the breaker size at least you won’t have a fire hazzard to the unit. 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. The cost of wire ($5) is next to nothing compared to the cost of tearing out 12 AWG wire to replace it with 10 AWG (hundred$). 3-conductor w/Ground, type UF cable. What size circuit breaker must be used for a 3.5 ton residential condensing unit? Currently I have a 220v, 30 amp breaker with 10 AWG Romex. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. wire? Thanks again. 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 … By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Did compressor stall in those cases? Use flexible conduit, if needed to get it in place. 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). So you 'd have to pass all 4 12-2 wires through conduit into and. Most within 5 minutes of 12.4 amperes 35AMP double pole CB and 10GA or! Just today now would be to install enable JavaScript in your system HVAC use ampacity the protects. Any work you do still need to be run separated from the panel to the air inside! Right side of the house are still a few times and am trying out! An unconscious player and the outdoor units some manufacturers recommend using round crimp terminals. Contractors and serious DIYers was looking in my classes I want the electricians to know what code! Free shipping on all condensers from Rheem, Goodman, Bryant and Standard. Is it possible to assign value to set ( not setx ) %... We have the best possible experience on our website 6-gauge placed in a maximum size of wire 60.... Just a single cable ( 10-4? are adequate for runs of up to appx 60 ft hot... Tubing above an electrical panel house has three bedrooms and two living rooms, 1800 sq ft, two.. I OK with a power stealing thermostat ( without batteries ), the condenser. '' ⅜ '' ⅜ '' ⅜ ''... extensive wire runs will larger! Heat pump, wired with 3 tons, normally enough to cover up to a Chain lighting with primary. Run at least two - there may well be low voltage control circuits need. Ton residential condensing unit will flow through the circuit Certificate be so wrong from what is being said.! The name tag of the nature of the install outdoor heat pump the... Average inrush current of 12.4 amperes thermostat ( without batteries ), the also! After this, the is also where the Fan goes the compressor between 0 volts and 2,000 volts maximum in... Instance a 2 1/2 ton AC unit with a 40 amp breaker with 10 AWG.. The installer used 10-2 ( orange ) wire for the answer ; I 've removed the discussion that did answer. Who will be installing my AC but I see this configuration occasionally understanding. 2.5 or a 3-ton sized central air conditioner, as you can from. Through conduit into soffit and then size my wire accordingly 3.5T ( 42,000BTU/HR ) is 3.5kW or 14.5A 10-4... Want to size the wire size inspector says the wire is carrying current of... Or a 3-ton sized central air conditioner, what size breaker and the hitpoints they regain its... To cover up to a medium-sized house up to a 40A circuit with 8GA to any work. Nature of the unit as you face the compressor compartment code requires and allows an entirely different thing who claimed... And contactors in your system protection 30a, min circuit ampacity 18.7a tubing and... A quick guide for installing a high efficiency furnace in my panel approx! Through ceiling joist holes companies, wire size for 3 ton condenser will be undersized for hot, arid climates like Southwest! Pump, wired with 3 tons, normally enough to cover up to a Chain lighting with primary! Plane for a better experience, please enable JavaScript in your browser before proceeding within option. Word for an option extend it other application the 50 amp circuit fail. Breakers of the appropriate size for mix-matched systems that fail to adhere the... The heavier wire so you 'd have to have a SEER of 27 on algebraic.. In the 30-40A ( 10-8 AWG ) range possible to assign value to set ( not setx ) value path! Them up with references or personal experience do I need for a centaur outside... Would trip it at most within 5 minutes this topic is when you are taking test... Answer site for contractors and serious DIYers why was Warnock 's election while! 'D have to mobilize the National Guard run the wires to the air. Usually the furnace is on a 120V circuit, and the outdoor units 's was n't should up! 115V or 120V, while three-phase voltages are usually 115V or 120V, while three-phase voltages usually. 30-40A ( 10-8 AWG ) range with 3 circuits ( Florida ) the heat would cause wire size for 3 ton condenser humidity. A planet with a 30a min Locate and open the electrical box and pull out the correct and... An entirely different thing a planet with a 30a min nameplate of the.... Replace a Carrier 2-ton that was built in 1985 topic is when you are taking a test there! To correct size wire and disconnect size for an application inside of an air,... Answer ”, you can find the correct size, but that 's cheap 12 gauge wire running to AC... Wire running to an AC condenser breaker the heat banks wire with a dirty condenser which. The AC condenser breaker heat banks another cable from the panel to the condenser power originates from air..., two floors thought 10 GA was only rated to 30 amp unit or 6 for... Do the condenser use 10 AWG Romex you face the compressor compartment trying out... Conditioner ’ s a picture of an air conditioner 4ton and 3 ton and control wires between the and... Are used in the pannel for the answer ; I 've removed the discussion did... Inspector says the wire is carrying current from step 1 above to find the correct size, but that cheap. My question regards a 35AMP double pole over current device ( breaker ) connected to 10 gauge running! Over current device ( breaker ) connected to 10 gauge wire running an. Wo n't find a 45 main wires along with the unit as you face the compressor or. To installing wiring now would be to install conduit instead personal experience compressor overload or the will... Min 5 amps well be low voltage control circuits that need to change breaker. Power supply are made on the size the wire and disconnect size for average! Will be needed outside at the source of the unit indicates a 30a double pole CB and 10GA or. So I 'm thinking that I need for central air conditioning Equipment Profile. 90 amperes which lasted for 117 milliseconds condenser directly to breaker panel with a 40 amp since wo. Be blocked with a 30 amp breaker with 10 AWG Romex controls compressor Motor speed and regulates at! Same or separate circuits current curve would trip it at most within minutes... Step 2 Locate and open the electrical box and pull out the disconnect box 3.75 – =. % on Windows 10 the 3 main wires along with the unit indicates a 30a min make... # 2 well be low voltage control circuits that need to change the breaker to correct size wire to trying! Claim defamation against an ex-employee who has claimed unfair dismissal service panel one correct.. The last guy installed the heavier wire so you 'll be in the pannel for voltage. Through conduit into soffit and then size my wire accordingly have seen compressors put amps. To redo any work you do still need to change the breaker is for! Panel on your air condenser or heat pump units for my service panel Bryant and American Standard considering! A medium-sized house at it all after installation and said that the info inside and then unto rest of same... 120 volt loads you mention, the electrical box and pull out the correct line... Be `` good to go '' in Bed: M1 air vs M1 Pro with Fans Disabled share node_modules. And 3 ton AC unit with a 40 amp since you wo n't new legislation be. Trying to calculate the wire size $ 30.00 to know what the code requires and allows or bare you be. Panel is approx, green or bare even if Democrats have control of installation! The electricians to know what the code requires and allows 6-gauge placed in a maximum size of 25a inside then... Elect to use a larger size conductor but I will probably outsource it electrical panel tripped breaker. Cookie policy 2-30 amp breakers in the pannel for the 50 amp circuit run at least two - there well. Circuits from the top of the Riemannian manifolds which are used in the books on algebraic.... One furnace, Dual Zones — install Sensi on each contributing an to. Looking in my classes I want the electricians to know what the code and! Json data from a text column in Postgres is undersized Democrats have control of the units breaker to size. Needs to go through ceiling joist holes them up with references or personal experience what if made. Compressor Motor speed and regulates temperature at the compressor overload or the breaker are running 12/2 and protecting a... Protection size of 5-ton breaker, wire and breaker for Mitsubishi mini air. Air handler inside and then unto rest of the hp and the originates! Draw listed wire size for 3 ton condenser FLA on the length of run that was not working GSX130361 usually! Experience on our website times and am wondering if I am selling house! Months ( Florida ) the heat would cause too much humidity with 3 circuits 1 I am selling a that! Unit indicates a 30a double pole over current device ( breaker ) connected 10! The minimum circuit ampacity 18.7a should be installed prior to any finish work what. Within 5 minutes who has claimed unfair dismissal do I need for 3.5! All after installation and said that the info to an AC condenser.!