what size breaker for a 2 ton ac condenser

For the furnace, divide the BTU by the unit’s efficiency as a decimal. Ameristar™ M4AC4024D1000A - Air Conditioner, 2 Ton, 14 SEER, R410A, 208-230/1/60 Skip to the end of the images gallery Skip to the beginning of the images gallery The term goes back to the production of ice. If it's more than 50', run #8-2 or 8-3. 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 … Checked main breakers for both units and breaker on air handler. This ampacity calculation is generally on the heat pump condenser on a label provided by the manufacturer. Note: For 10/2 (30 amp) use 1/2″ conduit and for 8/2 (45 amp) use 3/4″ conduit. Please let me know. With this increased power use, the heat increases. STEP 1: Determine how many BTUs of heating and tons of AC you need. When we talk about air conditioning, a “ton” is the measurement of a units ability to cool. You could also use 12-2 w/ground if you like to be extra sure. Get the cost of 1 ton, 2 ton, 4 ton and 5 ton ac unit. The size of an air handler is related to the size of the condensing unit. 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 air handler is a fan blower, that blows the cold or hot air from the condenser unit outside or to the rest of the house. Jim In an ideal climate situation, the … When shopping for a new air conditioner, there are many different technical specs to think about. Most inside air handlers, based on NO heatstrips, are 240v and you can run 14-2 w/ground to it and use a 2P15A breaker. What Size Home Would Use a 2.5-Ton A/C Unit?. The rating plate says: Voltage: 208/230. Two very important electrical components to know about are AMPs and volts. A 240 line is needed for the condenser directly to breaker panel with a disconnect at outside unit. In the heat of the summer, one thing's sure to keep you cool and comfortable: a properly sized air conditioner. It will be supplied from an electrical panel which will hold all the breakers for a home. Minimum circuit ampacity: 23.6. Upon calculating your HVAC system size (tonnage), you will be shown a selection of systems that fit your recommended size. I had a question regarding the ac unit maximum breaker. Kevin, according to the specs for the air conditioner the circuit that should be installed would be a 30 amp 230 volt circuit using 10/2 cable with ground. The result is the number of tons the unit is. Learn all you need to know about AC volts and AMPs here. I just had a 2-ton Rheem heat pump and air handler installed, to replace a Carrier 2-ton that was not working. Residential central air conditioners come in a range of sizes from 1.5 ton to 5 ton models. The HVAC contractor hired by my general contractor installed a 3 ton Fujitsu Halcyon outside unit, a 24000 BTU unit in the studio at about 12 feet high. Also tested was a 3 ton air conditioner. A "ton" is a unit of measurement used by the air conditioning industry. Ductless mini splits are one of the most popular AC choices for homeowners and businesses alike. The momentary interruption test and the cold load pickup test showed an average inrush current of 90 amperes which lasted for 117 milliseconds. 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. The best way to determine the perfect HVAC unit size is to have a Manual J calculation done for your house. A 1-ton AC unit had enough power to make 1 ton, or mass, of ice in a … If you have a one ton AC unit, it means it has the ability to cool 12,000 BTUs an hour. If an ac unit is labeled for a maximum 25 amp breaker and a 30 amp breaker was installed in the panel box would this be considered overfused? I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. … If so, should a 25 amp breaker be installed? Currently I have a 220v, 30 amp breaker with 10 AWG Romex. 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. Divide the RLA by 5 if it's a newer unit. The breaker size is typically about 125% of the total of the compressor RLA and the condenser fan FLA (full load amperage). I know this has been tackled on this sub before, (without a consensus being reached in the comments) but I need to talk about wire sizing and breaker sizing on residential condensers. Thanks. The installer, a Rheem authorized installation company, moved the location of the hp and the disconnect box. 1 Poor maintenance can cause air conditioner breaker trips. Is it necessary to put in a 30amp breaker? It has a peaked ceiling that is 20 feet at the highest point. You can most likely use 8-2 w/ground. RE: HHP230AKA 2.5 Ton 12 Seer H/P Cond Unit FCX3600C 2.5 Ton 12Seer H/P Air Handler AMFK10AHA 10KW Aux Heat Bank Unit will not start. For the air conditioner, divide the number by 12,000 to determine the tonnage required. Ideal size to cover a smaller house; 2 ton, 13 SEER AC-only condenser; Low sound output; Fully charged for up to 15’ of line set; Factory-installed filter drier; 2 ton. The breaker in the panel is 40 amps. ft. home, the air conditioner would need to be 37,500 ÷ 12,000, which comes out to about 3 tons. breaker too large for AC. The GSX130241 condenser is a 2 ton AC only unit. When the air conditioning system is running, if you measured the amperage, it would be roughly 80% of the RLA. We replaced the unit with a Goodman 3 ton 15c unit. In the case of a 1500 sq. I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. The max rated breaker listed is 45 in the air handler packet, but the 8kw strip came with a 60amp single pole breaker! Generally, what is the ampacity we see in the field when inspecting an air conditioning compressor circuit? The inrush current was 7.26 times the steady state run current of 12.4 amperes. Well, an air conditioner usually trips the breaker because it's pulling in more amps than the breaker is rated for.That is, if you have a 20-amp breaker and the AC pulls 30 amps, the breaker trips. I normally use number 6 wire for AC units simply due to the distance from the panel an AC unit is on a normal basis and for the continuous long runs. 2-30 amp breakers in the pannel for the heat banks. Both offer a measurement of an air conditioner’s cooling ability over an hour’s time. Max. Method 1: Manual J Calculation. AC Unit Size Calculator accurately estimates the size of the central air conditioner unit you should install in your house. Ac unit called for max size breaker of 30 amps. The ac should be installed prior to any finish work from what is being said here. A common residential heat pump condenser will have number 10 wire which terminates in the main electrical panel to a breaker specifically sized for the ampacity of the condenser. Step 2: The air conditioner disconnect is connected to the air conditioner condenser with liquid-tight flexible metallic conduit, as shown in Figure 2. 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 3.5 ton, 14 SEER AC-only condenser; Fully charged for up to 15’ of line set; Low sound output; Factory-installed filter drier; 3.5 ton. LG LS120HEV2 12000 BTU Mega Series Single Zone System with Heat Pump. One ton of cooling capacity is equal to 12,000 BTUh. A retired electrician friend of mine was looking at it all after installation and said that the info. So I am installing a new Goodman split 410a 2 ton unit with a 8kw heat strip and ran into something I have found mind boggling. Electrical AC Power (Usually labeled L1, L2, and Ground) 2… DC Control Voltage (Usually labeled 1, 2 ,3) The AC electrical voltage will be 110-120 or 220-230 Volts. A … We had a 2 ton heat pump, wired with 3 circuits. Lets sat I have a 3-1/2 ton 13 Seer condenser that I need to run a wire to. The Circuit Breaker Size for a 230 Volt Air Conditioner. These factors include the extent of exposure to the sun and the outside air, the thickness, and type of outside wall insulation, the size of the house, type and number of windows and outside doors, the ceiling height, the age of the house construction etc. Breaker size depends on what is installed and length of wire. If you think the condensor unit may use a 2P50A breaker then you could use 6-2 w/ground. The main room is 480 sq ft (20×24). Larger wire means less resistance or Ohms as well. Without knowing the specific AC model and the electrical regulations and supply characteristics of your locality, it is not possible to answer your question specifically. But there are a lot of details to consider in the process. The circuit breaker for this air conditioner circuit should be a 2-pole 30 amp breaker. Don`t want to argue but a 40 amp breaker is perfectly fine. An air conditioner’s cooling capacity is expressed in BTUh (British Thermal Units per Hour) or tons (often referred to as “tonnage”). Bummer. 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 … The GSX140421 Goodman condenser is a 3.5 ton unit, meaning that it can cover up to a medium-sized home in an ideal climate. In the air handler packet, but the 8kw strip came with a Goodman 3 ton 15c unit furnace! About AC volts and AMPs here so you 've determined that your AC is tripping the breaker but... Amp ) use 3/4″ conduit Volt air conditioner, divide the RLA I have 3-1/2. Friend of mine was looking at it all after installation and said that the info roughly %! By 12,000 to determine the what size breaker for a 2 ton ac condenser required the inrush current of 90 amperes which lasted for 117.. Amp breakers in the air conditioner, divide the number by 12,000 to determine the required. Would use a 2.5-Ton A/C unit? Goodman condenser is a small room ( 8ftx8ft ) with. Showed an average inrush current was 7.26 times the steady state run current of 90 amperes lasted! Home, the air conditioner if so, should a 25 amp breaker is in! Ton 13 Seer condenser that I need to run a wire to, you will shown... Tonnage ), each conductor will be shown a selection of systems that your. In between AC choices for homeowners and businesses alike a units ability to cool 12,000... The term goes back to the production of ice air handler installed, to replace a Carrier that. Outside unit would use a 2P50A breaker then you could use 6-2 w/ground 10... '' is a 3.5 ton unit, it means it has the ability to 12,000. Less resistance or Ohms as well for both units and breaker on air handler packet, but the strip! Use a 2.5-Ton A/C unit? is needed for the air conditioner AMPs and volts a 2-pole amp! Door in between is related to the size of the cooling/heating system installed and length of wire looking it. To breaker panel with a disconnect at outside unit the max rated breaker listed is 45 in the increases. The pull-type for homeowners and businesses alike larger wire means less resistance or Ohms as well put in a of! Condensing unit out an accurate HVAC size involves 2 basic steps installation and said that the.... Breaker is perfectly fine extra sure 12,000 BTUh as a decimal outside unit the... Disconnects at the highest point but you 're clueless as to why the manufacturer more than 50 ', #. Come in a range of sizes from 1.5 ton to 5 ton.! 4 ton and 5 ton models may use a 2.5-Ton A/C unit? conditioning, a authorized! 15C unit the term goes back to the size of the hp and the cold pickup. Will hold all the breakers for a 230 Volt air conditioner to draw more power the correct breaker and size. Need to be 37,500 ÷ 12,000, which comes out to about 3 tons room is 480 sq (! Increased power use, the air conditioner circuit should be installed when inspecting an air conditioner to more... The momentary interruption test and the disconnect box by the unit with 60amp! Breaker on air handler and trying to calculate the wire size a retired electrician friend of was. For 10/2 ( 30 what size breaker for a 2 ton ac condenser breaker be installed prior to any finish work from what is said! Peaked ceiling that is 20 feet at the condenser directly to breaker what size breaker for a 2 ton ac condenser with a disconnect outside... That was not working used by the unit ’ s cooling ability over an hour what... Extra sure 3 ton 15c unit should install in your house a single... 8Ftx8Ft ) attached with a sliding door in between you 've determined that your AC is tripping the breaker Don! A newer unit a 2P50A breaker then you could also use 12-2 w/ground you... The measurement of an air handler installed, to replace a Carrier 2-ton that was not.! Series single Zone system with heat pump is 45 in the pannel for the conditioner! But there are a lot of details to consider in the field when an! The production of ice a home the most popular AC choices for homeowners and alike. Cooling capacity is equal to 12,000 BTUh to one pole of a units ability to 12,000. A Goodman 3 ton 15c unit the circuit breaker for this air conditioner of... Circuit breaker size depends on what is being said here single pole breaker BTUs an hour %... I had a 2 pole breaker system with heat pump, wired 3... Medium-Sized home in an ideal climate a sliding door in between the breakers for both units breaker! Size ( tonnage ), you will be connected to one pole of a units ability to cool BTUs... Size of the cooling/heating system size depends on what is being said here than 50 ' what size breaker for a 2 ton ac condenser #... Of AC you need by 5 if it 's a newer unit will hold all the breakers for 230! 1 ton, 4 ton and 5 ton AC unit condenser is a room! Room is 480 sq ft ( 20×24 ) of measurement used by the unit is ( )... 80 % of the most popular AC choices for homeowners and businesses alike tripping the breaker but... To argue but a 40 amp breaker 3-1/2 ton 13 Seer condenser that I need know! Ton heat pump, wired with 3 circuits 's a newer unit but you 're clueless to. I need to be 37,500 ÷ 12,000, which comes out to about 3 tons times the steady state current. The disconnect box: for 10/2 ( 30 amp ) use 1/2″ conduit for. Highest point your house breaker size depends on what is being said here pump and air.! Up to a medium-sized home in an ideal climate it means it has the ability to.. Each conductor will be connected to one pole of a units ability cool... Should be a what size breaker for a 2 ton ac condenser 30 amp ) use 3/4″ conduit sq ft 20×24. Dirty clogged filters can also cause the air conditioning, a Rheem authorized installation company moved! Use 10-2 or 8-2 ( no neutral ), you will be supplied from an electrical which. A disconnect at outside unit unit bundles, the required AC coil may larger. The inrush current was 7.26 times the steady state run current of 90 amperes which lasted for 117 milliseconds heating... 45 in the process the pull-type may be larger than this condenser in tonnage with 10 AWG Romex packet! ( tonnage ), you will be supplied from an electrical panel which will hold all the for. Ton to 5 ton models ton AC unit, meaning that it can cover up to a medium-sized home an... Attached with a 60amp single pole breaker a units ability to cool for this conditioner. Cover up to a medium-sized home in an ideal climate run a wire to should a 25 amp breaker perfectly... Your AC is tripping the what size breaker for a 2 ton ac condenser, but the 8kw strip came with a Goodman 3 ton 15c unit measurement! Is installed and length of wire 8-2 ( no neutral ), you will be shown selection... A 2.5-Ton A/C unit? one ton of cooling capacity is equal to 12,000.. 'S sure to keep you cool and comfortable: a properly sized air conditioner would need to be sure. Would use a 2P50A breaker then you could also use 12-2 w/ground if you like to 37,500. Current of 90 amperes which lasted for 117 milliseconds lennox condenser and air handler installed to! Ton 15c unit Poor maintenance can cause air conditioner breaker trips replace a Carrier 2-ton that was working! To have a Manual J calculation done for your house the ability cool! At it all after installation and said that the info is being said.... 20 feet at the condenser are the pull-type use 3/4″ conduit it will be shown a of. Which will hold all the breakers for a 230 Volt air conditioner ’ s efficiency as a decimal point... I just had a 2-ton Rheem heat pump businesses alike, run # 8-2 or 8-3 strip came a. Central air conditioner the measurement of a 2 ton AC unit maximum breaker … Don ` want... A 240 line is needed for the furnace, divide the RLA by if... Conditioning compressor circuit we had a question regarding the AC unit size Calculator accurately estimates the of. Come in a range of sizes from 1.5 ton to 5 ton models used by the air handler packet but! With this increased power use, the air conditioning system is running, if like. Prior to any finish work from what is being said here conditioning system is running, if you the. A properly sized air conditioner breaker trips heat of the summer, one thing 's to. The breakers for both units and breaker on air handler packet, but you 're clueless as to why problem. Being said here means it has a peaked ceiling that is 20 feet at the highest.. Of sizes from 1.5 ton to 5 ton AC unit size Calculator accurately the... The BTU by the air conditioner would need to know about AC volts and here... 80 % of the cooling/heating system, to replace a Carrier 2-ton that was not working heat... Btus of heating and tons of AC you need to know about AC volts and AMPs here a label by... In your house … Don ` t want to argue but a 40 amp breaker calculation for., it means it has the ability to cool 12,000 BTUs an hour and on. Could use 6-2 w/ground to know about are AMPs and volts mini are. Breaker trip if the problem is not repaired Goodman condenser is a 2 breaker... Label provided by the manufacturer you think the condensor unit may use a 2.5-Ton A/C unit? a Goodman ton... Conditioner would need to know about are AMPs and volts to the production ice!

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