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Wiring of outside unit. I replaced old fan moltor with 3 pole 5.0/35 MFD cap. New motor has 2 pole cap. Where do I wire the purple wire from the compressor that went to the 3rd term of the old cap???

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  • 334 Answers

You need either another dual capacitor (three pole)
or you need to use the "herm" side of the old capacitor. That would be the 35UF side going to the compressor.

You will need to make up a jumper wire.
if you are going to use the two seperate capacitors.

The old fan wire to the old cap (5UF side) will go to either side of the new cap. The old compressor wire will go to the "HERM" side of the old cap. The common wires will remain on the old cap in the original "COM" position. The jumper will go from the old cap "COM" terminal, to the new cap on the other terminal opposite from the one used for the fan wire.

Posted on Sep 26, 2009

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I have an outside unit mfr Goodman, model # CKL-49-1. The blower motor isn't working. I'm able to hear it attempting to start. How do I check this motor to see if it's bad? Thanks


You have bad capacitor on your unit it may not look bad but chances are it is just get the microfarad rateing of the side of the cap. should be like 55.5 55 7.5 something like that. Also check your fan motor. last. I have changed hundreds of caps this year. Russ

Jul 16, 2009 | Goodman CKL36AR36 Air Conditioner

1 Answer

I have a new fan motor for a ge for a ac unit for outside home and the old is a 4 wire and new is a 3 wire has black,yellow,brown the old 1 has black,brown,red,blue or purple wire how do i rewire thie...


this soounnds as though it for a 2 spped fan motor look at the old motor and see the RPM and then look at the new motor plate it shuld show ou which wire is for the speed required. Hope this helps ..Jon

Jul 25, 2011 | Heating & Cooling

1 Answer

Fan motor on condensor not starting. I have located the capacitor but unable to recognise any writing. it is a12000btu split unit.


There are two type capacitor. One for running capacitor for compressor and one for condenser fan motor by each separate capacitor. Some times two in one capacitor being used. Just check in your condenser unit, in your 2 in one capacitor, there are three parts and one has four pins and other two has each two pins where you can clip the wire.Remove existing wires and replace same with new capacitor.

Now, in this capacitor near each each part mention as "C" "H" " F". Cmeans compressor common and H means for compressor starting and F means fan starting. Be careful don't interchange any wire.
And also while replace capacitor don't add or reduce the mfd. Ex.. your existing capacitoris 35+3 mfd means 35mfd for compressor function and 3 mfd for fan motor function. Hope helpful.

Jan 09, 2011 | Heating & Cooling

1 Answer

MY HUNTER ORIGINAL RUNS THRU AN ORDINARY WALL SWITCH. IT HAS HI AND LO SPEEDS ON THE HOUSING, BUT EVEN LO SPEED IS A BIT TOO FAST AT TIMES... HOW CAN I CONTROL THE SPEED THRU FULL RANGE... A RHEOSTAT...


Jim,

You have a special fan there. Hunter Originals are my specialty.

There are two ways to accomplish a slower speed with this fan.

1. A wall variable speed control, solid state, rated for 3 or more amps, regular fan controls will not work as your fan draws 2.5amps on high, not even new ones that are labeled for the Original.

2. Retrofit the fan to make it a three speed. If you're good with wiring, it's really simple. What you need is, a standard 3 speed pull chain switch, not a double pole one like cheaper/new fans have that use capacitor speed control, we are using cap. speed control, but not the same way they do. So you want an "SP3T" switch. You also need an 9 10 or 11 or 12 MFD capacitor (depending on how fast you want your low to be 8 is 20rpm, 11 is 75 approximately). You will remove the switch cap to your fan, and you will find your switch has a black, blue and red wire connected to it. Remove all wires, attach the black to L on your new switch, attach blue to 1, then you need 2 extra pieces of wire. Stick one wire in 2 and the second wire in 3. Now, get your capacitor and hook one side of it to the red wire and position 2, then hook the other side to the wire you put in position three.

Remember to get the Single pole switch for non capacitor speed control fans, if you get the double pole, both winding sets in your fan will be activated, which will draw double current and burn your motor out.

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Also, are you aware that your fan uses oil (like an engine) ? and is not permanently lubricated?

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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

How do i wire the motor start capacitoron outdoor ac unit


You must use a NEW capacitor with the correct MFD rating and VAC rating for the new motor.
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Jul 06, 2009 | Heating & Cooling

1 Answer

The bearing in the fan is shot. where can I get a new fan?


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Jul 04, 2009 | Haier Dehumidifiers

1 Answer

HELP!!! Help wiring new motor for CKL60-1


  1. This is what your wiring should look like if you are using two caps. then you should be using a potential relay as well. This is the diagram for using a potential relay. Hope it helps you.
Thank Youe461749.jpeg

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