Remember- capacitance may decrease over time. 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. Liquid-tight flex conduit. Example: If the "Min." Thanks! NOTE: This is for an average American home, however, and will be undersized for hot, arid climates like the Southwest. For years now I run 10/2 to my AC condensers on a 240v 30a breaker. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. Thanks. A couple of things. $163.99 $ 163. 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. Greetings: I am planning to wire in the near future a 3.5 ton A/C condensing unit. 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. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. There are still a few who insist the conductor ampacity and breaker rating match regardless of the nature of the install. 3.8 out of 5 stars 6. 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. Turn off the electrical disconnect for your air condenser or heat pump. lines, make sure you have the correct size line based on the length of run. When I look at the 5 ton model 187BNA060, min. If the wire to the unit is rated for the breaker size at least you won’t have a fire hazzard to the unit. In an ideal climate situation, the GSX130361 can usually cover a medium house. The unit is in fact 2.5 tons. I think I will approach wiring size in the future appropriate to the nameplate rating while considering length of the run. To > get to 6.5A you'd have to have a SEER of 27! (You can see that, right?) 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). A couple of things. Macbook in Bed: M1 Air vs M1 Pro with Fans Disabled. Thread starter jgo10; Start date Sep 29, 2016; J. jgo10 New member. 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? Recommended Interconnecting Tubing (Ft) 0-25 . Wire pulling tape/wire fishing tape. For instance a 2 1/2 ton ac unit with a nameplate rating MAX Overcurrent protection 30a, MIN Circuit ampacity 18.7a. The last guy installed the heavier wire so you'd be "good to go". Hello, and welcome to Home Improvement. 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. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. 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 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. That is the power to energize the control relays and contactors in your system. do the condenser and air handler run on the same or separate circuits? Which I install accordingly instead of the 2pole30. 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. 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. Asking for help, clarification, or responding to other answers. 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. It is dual system. Is it normal to need to replace my brakes every few months? Something's not adding > up here. 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. @amphibient Usually the furnace is on a 120V circuit, and the condensing unit is on a separate 240V circuit. 5.0 out of 5 stars 1. It's important to know for the calculation. but do you run just a single cable (10-4?) And what size wire do i use from the - Answered by a verified Electrician . Thanks for the answer; keep 'em coming. they say that in summer months (Florida) the heat would cause too much humidity with 3 tons. 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. 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. Perhaps not intended but it seems to be that way. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. 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. 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. 13.7 minimum amp Sep 29, 2016 #1 I am selling a house that was built in 1985. I appreciate the input. 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. 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. Hello, and welcome to Home Improvement. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Items you must consider are: Source Voltage; Number of Phases wire? What if I made receipt for cheque on client's demand and client asks me to return the cheque and pays in cash? You cant run 30 amps through 12 gauge wire. What size feeder do I need for a basement electrical subpanel? Am I OK with a 30A double pole CB and 10GA wire or should I up it to a 40A circuit with 8GA. Additionally, the unit must be situated to permit access for service and installation. 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 A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. Is it possible to assign value to set (not setx) value %path% on Windows 10? To learn more, see our tips on writing great answers. Question is, would i have to pass all 4 12-2 wires through conduit into soffit and then unto rest of the house? 0131M00018P - OEM Upgraded Replm Goodman Condenser Fan Motor. Low ambient (down to –20°F/–28.9°C) with accessory kit But then in the field they may elect to use a larger size conductor. 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). 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 Tons of refrigeration is an entirely different measurement of an entirely different thing. This is a 2-ton air conditioner, as you can see from the model number. 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. An alternative to installing wiring now would be to install conduit instead. The companies may have a preferred breaker and wire size, so they may want to redo any work you do anyway. Is this correct? Is there a word for an option within an option? The cost of wire ($5) is next to nothing compared to the cost of tearing out 12 AWG wire to replace it with 10 AWG (hundred$). Overcurrent Protection: 40 amps. I have learned quite a bit, really quick. Overcurrent Device". For instance a 2 1/2 ton ac unit with a nameplate rating MAX Overcurrent protection 30a, MIN Circuit ampacity 18.7a. What size circuit breaker must be used for a 3.5 ton residential condensing unit? 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. Could you design a fighter plane for a centaur? Use 10 awg for 30 amp unit or 6 awg for 60 amp unit. AC condenser wire size. These rating are adequate for runs of up to appx 60 ft. 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. Circuit Ampacity" and "Max. Which I install accordingly instead of the 2pole30. 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 … 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. I am confused. Run at least two - there may well be low voltage control circuits that need to be run separated from the power supply. JavaScript is disabled. For motors, it is recommended to multiply the nameplate FLA by 1.25 for wire sizing. rev 2021.1.7.38271, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. The current elec wire run from the A/C unit to my panel is approx. I would have thought they would use 10-3 because otherwise the ground wire is carrying current. Sign In to view purchased products. Line Diameter (In. View More View All Sort & Filter. A retired electrician friend of mine was looking at it all after installation and said that the info. Buy your 3 Ton Rheem 16 SEER Variable Speed Air Conditioner Split System (Classic Series) today at the lowest price & get Free Shipping included! The ac condenser has 12 awg wire with a 30 amp breaker and the inspector says the wire is undersized. 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. Share "node_modules" folder between webparts, Parsing JSON data from a text column in Postgres. is 32 and "Max." The house has three bedrooms and two living rooms, 1800 sq ft, two floors. Aren't they both on the same ballot? The literature with the unit indicates a 30A min. After this, the electrical portion of the installation is done! Can I remove a furnace compartment vent that's obstructing roof repair? Can I print plastic blank space fillers for my service panel? For a better experience, please enable JavaScript in your browser before proceeding. roconnor (Robert J. This is a 2-ton air conditioner, as you can see from the model number. What size breaker and wire do I need for central air conditioning? 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. Air discharges upward from the top of the unit. We use cookies to give you the best possible experience on our website. Finally, the color of the R wir… I use a combination 240v disconnect and. My question regards a 35AMP double pole over current device (breaker) connected to 10 gauge wire running to an AC condenser unit. Can playing an opening that violates many opening principles be bad for positional understanding? 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. 3-conductor w/Ground, type UF cable. We sell tons of mini split air conditioners ... Connect the 3 main wires along with the ground to their respective terminals. 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 Also a concern is if the breaker is rated for HVAC use. Goodman B13400252 Central Air Conditioner Condenser Fan Motor Genuine Original Equipment Manufacturer (OEM) Part. To > get to 6.5A you'd have to have a SEER of 27! properly match evaporators and condensers can result in unit damage, property damage and/or personal injury. Gsc130301a goodman. 76-150 : 26-50 . 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. / 40A max. What do this numbers on my guitar music sheet mean. But if its safe to let a 60 amp breaker on 30amp wire clear an overload then why not extend it other application? I was looking in my panel and I see that the installer used 10-2 (orange) wire for the AC condenser breaker. Stranded copper building wire, black. Some manufacturers recommend using round crimp style terminals for a more secure connection. The variable speed inverter capacity control delivers up 51-75 . They are saying the cost would only be a difference of $30.00. wire size is 8 and 10, with a much longer run allowed. Other options New from $163.98. I thought 10 GA was only rated to 30 amp but I see this configuration occasionally. http://forums.mikeholt.com/showthread.php?t=162987. Breaker size depends on what is installed and length of wire. First the wire size depends on the size and requirements of the unit itself. 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.) Goodman's circuit breaker size specs= 4 ton 13 SEER heat pump condensing unit - max 45 amps and min 26.4 amps. Remove the screws holding the panel in place. 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. You do still need to change the breaker to correct size, but that's cheap. Size of Wire for Central Air Conditioner 4ton and 3 ton. Open the electrical box and pull out the disconnect. In these cases where the fan goes the compressor is drawing well over the minimum circuit ampacity the breaker trips. The voltage range for this wire falls between 0 volts and 2,000 volts. >> wire. >> wire. It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. Being Future-proof. 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). Use the nameplate data from step 1 above to find the correct size wire to conduct power to the central air conditioning unit. You do still need to change the breaker to correct size, but that's cheap. Tell us the information from the nameplate of the units. 240V circuit is needed. The inrush current was 7.26 times the steady state run current of 12.4 amperes. What can I do about radiant hot water tubing above an electrical panel? 2 liquid-tight flex connectors. My memory is bad. Condenser air enters from three sides. is 50, I would go with a 40 amp breaker and then size my wire accordingly. Purchased products. It's pretty cold outside ! Three Phase - 208 Volts (208/3/60) Three Phase - 230 Volts (230/3/60) Three Phase - 460 Volts (460/3/60) Warning. You must log in or register to reply here. Is there a limit to how much spacetime can be curved? 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. 2500 watts on the 2 1/2 ton and 4500 watts on 4 ton. Air handler breaker sizes for both above units are max 15 amps and min 5 amps. Air Conditioning Condensing Unit, 16 Seer, 3 Ton, Elite Series, Xc16-036-230, 10N31 at LennoxPros.com - The First Choice in HVAC Supply! 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. Underwater prison for cyborg/enhanced prisoners? 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. The rating plate says: Voltage: 208/230. Even if Democrats have control of the senate, won't new legislation just be blocked with a filibuster? Dense wire coil guard; Applications. 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. 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. You need no extra wire to the furnace. Right. Wire size for a Goodman 3 ton 15c heat pump all in one. 2 cable connectors. Stranded copper building wire, white. Residential Central AC systems come in a maximum size of 5-ton. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Thanks Brent August 20th, 2004, 03:37 PM #2. Don't forget you'll also need high and low pressure tubing, and control wires between the indoor and the outdoor units. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. Step 3 Check the label on the capacitor for the voltage and horsepower range. 13.7 minimum amp Still running the 10/2. The unit is in fact 2.5 tons. 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. Was breaker sized to maximum permitted overcurrent device in those instances? The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. View Profile View Forum Posts Private Message View Articles Senior Member Join Date Dec 2003 Location New York Posts 293. Should the stipend be paid if working remotely? Considerations for installing a high efficiency furnace in my attic? The last guy installed the heavier wire so you'd be "good to go". Rheem RA1442CJ1NA - Classic 3 1/2 Ton 14 SEER Condenser, 208-230 Volt, 1 Phase, 60 Hz Congratulations! Be prepared to "teach" your inspector. 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. Here’s a picture of an air conditioner’s data tag that I took just today. 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. 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 One Furnace, Dual Zones — Install Sensi on each? Something's not adding > up here. It's pretty cold outside ! … Replacing the core of a planet with a sun, could that be theoretically possible? (You can see that, right?) Refrigerant tube electrical connections are made on the right side of the unit as you face the compressor compartment. building with unobstructed condenser air inlet and discharge. 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). You're probably looking at a 3.5 ton unit, so you'll be in the 30-40A (10-8 AWG) range. Now here's my problem. NM cable would require #12 AWG conductors. ⅜" ⅜" ... extensive wire runs will require larger wire sizes. Yes, I know, the intention is to trip the compressor overload, but real world someone is dropping the balls on these overloads. Voltage - Enter the voltage at the source of the circuit. And, you should probably. 60 feet. But in those case of 120 volt loads you mention, the wire matches the breaker. ... 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. My charge was $5900.00. Now the installer says they made a mistake and I should only have a 2 ton. There will be two numbers on the name plate of the unit. Thanks again. Wire size is based on amperage draw. Yes, absolutely safe. 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 I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Stranded copper building wire, red. Single-phase voltages are usually 115V or 120V, while three-phase voltages are typically 208V, 230V or 480V. Max. We have the best prices 3.0 Ton outdoor heat pump units. without going over the Max. I have noticed lately that some condensers have max overcurrent protection size of 25a. Right. Healing an unconscious player and the hitpoints they regain. You want to size the wire and breaker large enough to supply the Min. 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. … 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. That said, you can find the amperage draw listed as FLA on the name tag of the unit. It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. I do not know yet who will be installing my AC but I will probably outsource it. Making statements based on opinion; back them up with references or personal experience. 3 Must use time-delay fuses or HACR-type circuit breakers of the same size as noted. 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. 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.) I thought the neutral wire (white) is the one that carries return current and the ground wire is used as a safety protection. 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. Did compressor stall in those cases? 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.