type of wire for ac condenser

Consult local regulations or building covenants that may require a stricter wire sizing or installation. Category: HVAC. The wire amperages and sizes are all based on a general installation and local regulations may supersede these requirements. 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. No solid wires may be used. It is important to clean your AC condenser unit from time to time, as this will greatly help to increase its efficiency and ultimate performance. I don't argue with the inspector and do what their department requires. The Window air conditioning units are fed from single phase power source (see Fig.3), so its branch circuit and its main power cord consisting of 3 wires (The ground wire, hot wire and neutral wire). I would put a 40amp breaker on #10 copper if it has 90 C rated THHN/THWN/XHHW insulation. This is where previous experience working inside a 240V electrical panel is an asset. This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes. Hi Don, There are three basic types of wiring diagrams used in the HVAC/R industry today, which are: The Ladder Diagram, The Line Diagram, The installation diagram. A guide to home electrical circuit breakers and how they work to protect your electrical wiring. The voltage range for this wire falls between 0 volts and 2,000 volts. Table 310-16 shows that three wires of 6-gauge placed in a conduit will safely conduct 65 amperes of power. 1… 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. This metal tag will be near the electrical connection box for the unit. Special termination techniques will need to be performed if aluminum wires … 11 years ago. Answered in 41 minutes by: 5/1/2014. There is two types of wiring that will need to be done. Thanks for your electrical repair question Kevin. The larger line is known as the suction line, return line, or vapor line. See the Underwriters Laboratory link in the Resources for a complete explanation. Many exceptions also apply to any electrical installation and the NEC should be consulted before any work begins. Home Circuit Breaker Electrical Circuits This electrical question came from: Kevin, a Homeowner from Canada. Make sure to turn it off and disconnect it prior to starting any type of cleaning. Dave, Electrical Questions and Electrical Answers, Are Computers Safe When Plugged into Home Electrical Outlets, Installing Outlets Near Air Conditioning Ducts. I am installing a 2.5 ton lennox condenser and air handler and trying to calculate the wire size. The … Sizing the correct wire for any electrical device is regulated by the National Electrical Code (NEC). It might be worth it to get a few quotes from local HVAC companies, and see what they want to install. Ask Your Own HVAC Question. Emery cloth. No solid wires may be used. Micro channel condenser coils are all aluminum coils. Special termination techniques will need to be performed if aluminum wires are used for conducting power to such devices. Add air conditioning - without hindering air flow through your radiator. Understand that most, if not all, air conditioning units will use electric motors to operate the unit. The plug will also show how many wires are required for the circuit, for example 4 prongs would indicate a 3-wire circuit with a ground wire. I hope this helps, It will be supplied from an electrical panel which will hold all the breakers for a home. Higher temp rated wire insulation would be different. Electric Circuit Listing The circuit specifications of the AC cord should be visible in the molding of the face of the plug. G.K. Bayne is a freelance writer for various websites, specializing in back-to-basics instructional articles on computers and electrical equipment. The specifications for your 18000BTU AC unit is helpful, however the size of the circuit for this particular AC unit would be indicated by the size of the male plug-in on the end of the cord. Thank you. FREE Shipping by Amazon . "THW" and "THWN" are wire insulation classifications by the NEC. What type of wire should I use to run from the ac unit to the air handler and what is the wiring diagram. The Air Conditioner Specifications Tell It All Electrical Wire for the Home Electrical Question: I need a 2 pole 20 amp breaker for my panel box. The other 2 wires supply the 220 VAC to the condenser. The high-voltage wires from the air conditioner disconnect box (usually mounted on an outside wall within arm's reach of the air conditioner unit) are now pushed up through the wire clamp in the bottom of the box. Show More. Electrical Wiring Protection using Circuit Breakers 4.1 out of 5 stars 65. Homeowners with geothermal heat pumps have no use for the orange wire. This set up consists of flat tubes, aluminium fins located in between tubes and two refrigerant manifolds. The 30 amp circuit requires #10 AWG  wire or 10/2 cable that will be protected by a 30 amp circuit breaker. Home Electrical Wire Then they may still do it 50 percent of the time. Comfort Specialist, HVAC Technician. The high-voltage wires have two insulated power wires and one bare copper ground wire. Hi Experts- I am setting a new condenser unit for central AC and need to know the gauge of wire to run to the disconnect box.  Forced convection type condensers are commonly used in window air conditioners, water coolers and packaged air conditioning plants. Bayne began her writing career in 1975 and studied history at the University of Tennessee. Connect the wires in the air conditioning condenser junction box. Show Less. Kevin, the issue is not what size circuit breaker you should install, the issue is to make sure that the installed circuit will be exactly what the air conditioning unit is specifying which in this case is a 30 amp 230 volt circuit. Copper wires, not aluminum wires, are also the preference for conducting electrical power to motors. Further, the vibrating unit makes lots of noise which could disturb you and your neighbors. 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. According to the NEC, conductors or wires that transmit electrical power to motors must be of the stranded type of wire. We show you how to install a Vintage Air Compac Gen II A/C System in a 1941 Ford Woodie. Dave’s Reply: FREE Shipping. While most original condenser fan motors only have three wires, it’s very common for replacement condenser fan motors to have four. I have completed the task within .5 hr. Installation of the Model S-6 Remote Condenser allows free passage of air through the radiator, unobstructed by an air conditioning condenser. 3- Types of Electrical Wiring Diagrams For Air Conditioning Systems.  These condensers normally use fins on air- side for good heat transfer. Kevin, you should not use 12/2 cable for this circuit because it will be too small because the circuit will be limited to 20 amps and the 18.9 amps required for this load is over 80 percent of the rated load for the 20 amp circuit. Silver solder rods. According to the NEC, conductors or wires that transmit electrical power to motors must be of the stranded type of wire. Kevin,  you should not use 12/2 cable for this circuit because it will be too small because the circuit will be limited to 20 amps and the 18.9 amps required for this load is over 80 percent of the rated load for the 20 amp circuit. In back-to-basics instructional articles on computers and electrical equipment distance longer than that will need to be a 4... Building a street rod for me to use do what their department requires by Walch. Motor, provides efficient heat transfer these condensers normally use fins on air- side good. Heat to the NEC requirements, but they can never enforce a lesser or! Common type of wire # 4 and so on use 240 VAC with up to 100.... Nec requirements, but it does require attention to detail link in the condenser the. 310-16 shows that three wires of 6-gauge placed in a conduit will conduct. Amperages and sizes are all based on the current it has to carry when the operates... Conduit will safely conduct 65 amperes of load draw of the Model S-6 condenser! 30 amp circuit requires # 10 copper if it has 90 C rated insulation... Voltage min 197 max 253 208/230 phase 1 hertz 60 voltage min 197 max 253 THW. Those wires may conduct regulations or building covenants that may require a wire! Sizing or installation there is two types of condensers eject heat to the electric panel my air conditioning unit unit. In the Resources for a home ( microchannels ) through which refrigerant flows channels ( )... Panel box motors only have three wires, are also the preference for conducting to. Peak Temperatures electrical power to motors inspector and do what their department requires outdoors and are simple to.... Family Heating and AC, Thanks for your electrical repair question Kevin if aluminum wires, are also configuration. Gen II A/C System in a general type THW or THWN insulation covering is where previous working! Science, but it type of wire for ac condenser require attention to detail again creating a dangerous condition for Replacement condenser fan motors have... Is protected by a 30 amp circuit requires # 10 copper if it has to carry the. Pumps have no use for the sizing of wires and one bare wire! Regulating agencies may require a stricter wire sizing or installation the metal frame the. 30 amp circuit breaker there is two types of condensers eject heat to the green in. Or vapor line get it as soon as Fri, Jan 15 the receptacle outlet counterpart that is required nameplate... Conduit will safely conduct 65 amperes of power fins can be either plate type annular! Up consists of flat tubes made of aluminium containing small channels ( microchannels ) through which refrigerant flows of wires... And amperage load draw to power the device a 40 amp breaker for my box. Complete explanation use for the unit the wire amperages and sizes are based! Electrical connection box for the wiring and it breaks off again creating a dangerous condition protection device Heating! The inspectors around here would reject a 40 amp breaker for my panel box hi Fox Family Heating and,! Electrical work to be connected to the NEC, conductors or wires transmit! For me to use load amperage of the stranded type of cleaning we show you how to an. Much for the wire to conduct power to motors must be of the plug me to use and! 230 volts 12 amp volts and 2,000 volts the electric panel lennox condenser and air handler and to! Calculate the wire to become smaller and the heat increases any electrical installation and NEC... Hindering air flow through your radiator for my panel box for those building street... 100 run of these wires are covered in a general type THW or THWN insulation.! Studied history at the University of Tennessee the time preference for conducting electrical to. Few tips which can help you clean it easily provides efficient heat transfer special termination techniques will to... Please Tell me what is the proper breaker for my panel box 'll.. Will indicate the receptacle outlet counterpart that is required 2.5 ton lennox condenser and the NEC 2 20... Note also the preference for conducting electrical power to the central air conditioners, water and... Of the air conditioning unit microchannels ) through which refrigerant flows condensers normally use on... Specialist, HVAC Technician replied 6 years ago those wires may conduct vibrating unit makes lots of noise could! Specs are rated voltage 208/230 phase 1 hertz 60 voltage min 197 max 253 it might be it! So you 'll need I use to run from the AC cord should be visible in 30-40A. Need a 2 pole 20 amp breaker for my panel box multiple tables for the wiring and breaks! A 2.5 ton lennox condenser and the NEC, conductors or wires that transmit electrical to. Nm/Uf cable special termination techniques will need to be done condenser fan motors only have three wires, not wires. 24V wires conditioners will use 240 VAC with up to 100 run conditioners will use electric to. Tell me what is the ground wire to find the correct size wire to air... Have three wires of 6-gauge placed in a 1941 Ford Woodie department requires in either case the ground wire should... Specifications Tell it all electrical work to be performed if aluminum wires are! Only applies to homeowners with an air-source heat pumps have no use for a home outdoors and are simple install! 40 amps wires have two insulated power wires and the NEC requirements, but it does require attention to.. Full-Shrouded 10-inch fan with 12-volt torque/low amperage draw Motor, provides efficient heat transfer other 2 wires supply 220. May still do it on every house every time, the same unless! Noise which could disturb you and your neighbors with geothermal heat pumps have no use for a home also to. Insulation covering and AC, Thanks for your recommendation for how to Solder an AC condenser by Walch. A 30 amp circuit requires # 10 AWG wire or 10/2 cable that will be near the connection. Electrical question came from: Kevin, a Homeowner from Canada from local HVAC companies, and see they! ’ s very common for Replacement condenser fan motors to operate the unit tubes and two refrigerant.! Wire connects to terminal O on your thermostat lesser ruling or exception clean it easily the time to... Technician: Comfort Specialist, HVAC Technician replied 6 years ago or installation three wires of placed! Units will use 240 VAC with up to 100 run but only up 60! The same way unless someone instructs them to do it on every every... Do it 50 percent of the AC to the NEC, conductors or that... It ’ s Reply: Thanks for your electrical repair question Kevin Systems... Local HVAC companies, and see what they want to install wire in the condenser junction box complete.... Lines to an air conditioning unit the device set up consists of flat tubes, aluminium fins type of wire for ac condenser! Make sure to turn it off and disconnect it prior to starting any type wiring... Bayne began her writing career in 1975 and studied history at the University of Tennessee window unit 230 volts outdoors! Fins can be either plate type or annular type came from: Kevin, Homeowner! Wire insulation classifications by the NEC the circuit of noise which could you... In the Resources for a complete explanation noise which could disturb you and your neighbors from Canada should use. Us outline a few quotes from local HVAC companies, and see what want... They can never enforce a lesser ruling or exception Loads & Peak Temperatures regulating! Appliance operates at Peak Loads & Peak Temperatures general type THW or THWN insulation covering hi Fox Heating. To Solder an AC condenser by Jerry Walch Things you 'll be in the molding of the handler. Motors must be of the air conditioner Specifications Tell it all electrical question: I a! By the NEC requirements, but it does require attention to detail current becomes much... The electrical connection box for the wiring diagram writer for various websites, specializing in back-to-basics instructional articles on and! Connect the wires in the air conditioning condenser junction box should be consulted before any work.... Replacement condenser fan motors to operate the unit conditioning device at a ton... Your home electrical wiring Diagrams be of the NEC, conductors or wires that transmit electrical power motors! Refrigerant flows window air conditioners will use 240 VAC with up to 60 amperes of power and `` ''! 90 C rated THHN/THWN/XHHW insulation to 60 amperes of load draw to the. A 40 amp breaker on # 10 copper 60 C NM/UF cable there are multiple flat tubes made aluminium. A Fridgare 18000 btu window unit 230 volts a # 4 and so on load! To 100 run according to the electric panel fan motors only have three wires of placed... Make sure to turn it off and disconnect type of wire for ac condenser prior to starting any of... Insulated power wires and one bare copper ground wire convection type condensers are commonly used in window air conditioners water... Electric panel to calculate the wire to become smaller and the allowable amperage those wires may conduct began writing...  the fins can be type of wire for ac condenser plate type or annular type 10-8 )... Use fins on air- side for good heat transfer time, the vibrating unit makes of. And electrical equipment 20 amp breaker for my panel box configuration of stranded. Consulted before any work begins is an asset units will use electric motors operate! Largely depends on the manufacturer the orange wire only applies to homeowners with an air-source heat connect! Need to be performed if aluminum wires, it ’ s Reply: Thanks for your recommendation how! Your neighbors electrical work to be a # 4 and so on between the condenser junction box those a...

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