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Old 07-22-2009, 04:28 AM   #1
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Fan wiring help


I didnt know if I should put this here or in the HVAC section, so here goes. Long story short: We had to put in a new central unit this week & the only thing that was worth keeping was the squirl cage fan (blower). The outside unit was hit by lightning last weekend...

Im wanting to put the blower out in my shop. These things move alot of air! Its a Emerson motor, model K55HXJFN-2836. Build date of 03/90. Its 115v-5.9amps & has 3 speeds. I dont know how to wire this thing up to save my life. It has 5 wires.

WHITE: goes from the capacitor to the motor
BROWN: goes from the capacitor to the motor
RED: low speed
BLUE: med. speed
BLACK: high speed

How the heck do I hook this thing up? I just want it on a plug end. I want it on high speed, so I need to run the black wire with what??
Thanks guys, papabug.

P.S. Here are some pics:



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Old 07-22-2009, 04:35 AM   #2
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Fan wiring help


You're missing another white wire. Maybe there was another one connected to the capacitor?

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Old 07-22-2009, 04:55 AM   #3
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Fan wiring help


I was thinking the same thing. I think the HVAC guys might have yanked it off. Do I need to run another to the capacitor & use it with the black wire? Thats the only way I could see doing it...
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Old 07-22-2009, 07:27 AM   #4
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Fan wiring help


loosen the lock down on the squirrel cage and slide the motor out wash the squirrel cage and the sheet metal housing.the motor tag should have the wiring diagram showing a white and black(115v feed) wires going into the capacitor and catching a color speed wire.that thing will blast some air might consider a 3 speed selector switch run the black wire to it and feed the 3 colors up to the switch
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Old 07-22-2009, 11:20 AM   #5
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Fan wiring help


Check the motor nameplate (shown in the pic). There should be a wiring diagram on it.
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Old 07-22-2009, 02:31 PM   #6
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Fan wiring help


Ok, thanks guys. I was going to clean it up anyway. Its kinda filthy. I'll look for a wiring diagram in the process.

thanks,
papabug
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Old 07-22-2009, 07:45 PM   #7
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Fan wiring help


I did something similar as well.

I wired mine to have high/off/low with a toggle switch from Radio Shack.
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Fan wiring help-img_1479.jpg   Fan wiring help-img_1481.jpg  
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Old 07-27-2009, 01:50 AM   #8
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Fan wiring help


I got it working. Thanks guys.

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