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Need to know how or where to connect the wires on

Which colored wires go where?need to know how or where to connect the wires on new capacitor 50/5 370 volts dual round

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Posted on Jan 02, 2017

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bobicehouse
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SOURCE: connecting protect condenser fan motor

Wiring a fan motor to a dual capacitor, the leads with the stake on's go to the fan and common.
Usually the brown with white strip goes to the middle or "C" terminal and the plain brown goes to the fan or "F" terminal the other three are power and usually use the black and red connected to the fan relay.

Posted on Jun 13, 2011

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1 Answer

I have a 1/2 horsepower electric motor 230 volt 3 speed w/ capacitor HVAC fan assembly. how do I wire it to power by color coded wires?


Keeping in mind that some motors may be different
The most common wire colors on a 3 speed motor are as follows:
Red- Low speed
Blue- Medium speed
Black- High speed
Brown capacitor wires ( usually two of them connect to the two capacitor terminals doesn't matter which wire to which terminal)
White - Neutral wire on 115 volt systems or the other 115 volt side of a 230 volt system ( note on a 230 volt motor this wire may not be white). Remember this is the most common wiring but different motors may have different wiring.
Hope this helps.

Bob

Nov 30, 2014 | Heating & Cooling

1 Answer

My goodman unit wants to start and the contactor is not engaged


Could be the run capacitor is bad. Usually they bulge at the top where the connections are, but sometimes they are bad but appear to be fine physically. You would need a multimeter that reads microfarads to see if yours if good.
Below is a link to the part in question. Yours should be rated at 50/5 mfd, 370 or 440 volts.
50/5 MFD 440 Volt Round Dual Run Capacitor

May 22, 2012 | Goodman CKL42AR42 Air Conditioner

1 Answer

I installed a new fan motor condenser in my air unit outside and I bought a new capacitor but it looks different than my old one in that my old one has three points of connection and the new one just two....


Look at the microfarad rating on the old capacitor and the new capacitor. Many are dual capacitors in one housing. The lower rating on your old capacitor is for the outdoor fan motor and the higher is for your compressor. It sounds to me like you have been sold a single capacitor when your unit had a dual capacitor originally.

Aug 03, 2011 | Heating & Cooling

1 Answer

Old electrical box has 3 black wires. new device has 4 colored wires (white, red, green-ground, black - hot), the box does not have a ground wire (that I can see) and the old device only had three wires. ...


Early installations grounded the neutral line at the transformer, but did not bring in a direct ground wire as required for modern installations. White is neutral and should be connected back to the transformer secondary center tap. You will need to drive an 8-foot grounding rod near the panel and bring the ground connection into the box grounding bar (tied directly to the box as opposed to the neutral bar which is insulated from the box). Red and black wires are for 220 volt connections back to the transformer and feed each breaker on that particular rail with 110 volts. Any dual 220 volt breaker will contact both vertical rails. Each light and outlet in the house should have a ground connection, a neutral connection, and a 110 volt connection. Always place a switch to interrupt the 110 volt connection, not the neutral connection. You will likely need to measure the voltage across the suspected two hot wires to confirm the incoming 220 volt lines. Hope this helps!

Dec 27, 2010 | Garden

3 Answers

Heil outside fan motor 3 wire rd/blk/br new dayton motor 4 wire blk /br /purpule /brown with white strip Need help on wiring


Hi, the new motor takes its own capacitor to run it. This is what the 2- brown wires are for, one will have a white stripe. You will need to but a seperate run capacitor for this motor, a 5 uf, 7.5, or what ever it calls for. they should have told you when you bought the motor. It will have to spade connectors on it where the brown wires connect alone. Use the dual capacitor if that is what you have for the other 220 volt wires.Black and purple will be your 2 hot wires.You can connect either one to the old capacitor on the fan terminal and the other to the load side of the contactor, so when the contactor closes it will energize the motor.Or, take both the black and the purple wires and to the load side ( outlet side ) of the contactor, connect one to one side and the other to the other side. The line side is where your 2 hot wires that connect to the contactor from the incoming wires from the electrical box, you want to be on the other end. I would connect the black to the contactor load side and purple to the old capacitor as long as the old wiring is still on it as it has to be fed by a hot wire from the contactor. Each wire, blk, and purple has to have 120 volts to each one and you can get this a couple of ways. The contactor has several terminals that are not used and if you wire them on the outlet side, they will only be energized when the contactor is closed on a call from the stat, very easy to do. You will have to get a coulple of crimp on connectors to put on the ends of the wires, but the brown ones should already have them for this capacitor. Do not try to put the brown wires on the old run capacitor as you will burn out the new motor! Go get the small run cap for these 2 wires for about $10. I know that you can do this wiring change just remember the blk is hot 120, and purple is hot 120, = 240.volts. If you have removed all of the wires from the old capacitor, then use the contactor to connect to. The compressor wires must stay on the old run cap on the hermetic side and this old cap. must be fed by a hot wire from the contactor to the common terminal, that is marked with a C..If you look at the new motor diagram, it will show you also. Please dont forget to rate me as I know you will be kind, and I will check in on you to see how you are doing. Get this capacitor and it will run. This is a must!! Please keep me posted.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration Contractor

Sep 07, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Fan will not spin on it's own. I must take the vent cover off and spin the fan manually. I think I need to replace the capacitor (sp) but don't know what it looks like.


If the fan is a capacitor start, induction run motor, then it is a good chance you need a new cap. This will be a round or oval shaped can that has spade connections on the top. Depending on the unit, it may have a dual capacitor. These capacitors provide the power necessary to start the fan and the compressor. Be sure to replace with a very close match as the existing.
If the fan is a PSC (permanent split capacitor) motor, then it will have a run capacitor wired in series with the start winding, and this capacitor never comes out of the circuit, providing greater running efficiency. This capacitor can be mounted directly to the motor, or placed remotely.
Hope this helps

Aug 11, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

NEED WIRING INSTRUCTION FOR CAPACITOR FOR


On top of the capacitor you will find the terminals marked. One will say C, or Com. The others will be marked fan and herm. There will be a hot wire going to C. Usually this comes of the top of the contactor and is red. Find the wire that runs to the compressor. It will likely be yellow. This will hook to the Herm. Next find the fan wire (probably brown) it will hook to the fan. Hope this helps.

Jul 13, 2010 | Heating & Cooling

2 Answers

Electrolux split AC 1.5 ton inside fan working.But out side compressor fan stops after two or three rotations.


The 2 most common issues are a freon leak or the outside unit fan start capacitor goes out. It's more likely a capacitor issue. They fail regularly, especially when it's hot out. I had a fan capacitor go out on one of my 3 units last year and it cost close to $300 for an AC company to come out and fix it. I watched them fix it and it's something that you can do yourself if you know what you're doing and are careful to hook it up right. I have three AC units and another capacitor went out this year and I found a kit with detailed instructions with pictures and phone support at hvacrepairkits.com. It saved me over $200 on the capacitor replacement.

Mar 21, 2010 | Heating & Cooling

2 Answers

Blowing hot air fan not turning outside making a humming noise


Replace the run capacitor. It is a silver cylindrical object located in the electical compartment of you outside unit. There is most likely three places on the top where different color wires are attached. One is marked F,or Fan. The center should be marked C, or Common, and the last should be marked Herm, with wiring to the compressor. Make sure you write down or label each wire you remove and it's correct location. They must be installed on the new part just like they were on the defective part. For you to know which dual run capacitor you need, the old one will have printed on the side either 370, or 440 v,as in volts. You must also need to know the microfarad rating and it is also printed on the side with the voltage rating. Since this is most likely a dual(runs fan and compressor) you should see two ratings abbreviated as mfd. Something like a 5mfd for the fan motor and perhaps a 35 mfd for the compressor. CAUTION !!! This device has line voltage and you must insure the power is off at the disconnect/ breaker BEFORE you begin the repair. Sounds complicated but really only takes a few minutes. The main thing is getting the right mfd and voltage ratings for the new part and keeping a record of where the wires were mounted on the old one, and putting them back the same place on the new part.

Jun 17, 2009 | Carrier 38CKC036 Air Conditioner

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