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Emerson PI241 wiring diagram wanted  Rate Topic 
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 Posted: Thu Dec 6th, 2018 04:52 pm
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Zackri Higgins
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Looking for a wiring diagram for the PI241.
Thanks!

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 Posted: Sun Dec 23rd, 2018 08:35 am
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Zackri Higgins
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Bump

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 Posted: Sun Dec 23rd, 2018 03:06 pm
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Mark Behrend
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I believe that fan has a two conductor headwire.  I don't think there are any diagrams out there but it is really easy to hook up.  Do you still have the original wiring intact?  If you do, take some pics before you cut them loose.  

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 Posted: Sun Dec 23rd, 2018 03:20 pm
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Steve Cunningham
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That fan came two ways. Early ones had no speed coil in the base. They were off, start, run. The second year they had a speed coil.

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 Posted: Mon Dec 24th, 2018 01:21 am
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Zackri Higgins
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Yes, I did take notes of the wires before I cut them off. Mine has a 3-conductor headwire, with a choke coil on the base, but it’s not hooked up right in the base I don’t think, because one of the contacts in the switch doesn’t have a wire connected to it. 
Here’s a pic:

Attached Image (viewed 298 times):

29736FAD-9110-4AAF-83F8-D50D0984B06C.jpeg

Last edited on Mon Dec 24th, 2018 01:23 am by Zackri Higgins

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 Posted: Mon Dec 24th, 2018 01:57 am
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Don Tener
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If I am understanding you correctly that single wire from the stator that does not have a wire hooked up on the switch will get one of the wires from the power cord when it is hooked up on the bottom side of the switch. That is what creates the full circuit when you turn it on.

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 Posted: Mon Dec 24th, 2018 04:07 am
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Zackri Higgins
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I outlined the place that I’m talking about where I think wire should be hooked up. 

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B305A3D6-6D11-4706-9452-682F2D3CDA7D.jpeg

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 Posted: Mon Dec 24th, 2018 04:21 am
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Mark Behrend
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I don't think a wire does go there. If it is a two speed fan, there is usually a jumper wire going from what you have circuled to the last speed.

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 Posted: Mon Dec 24th, 2018 04:22 am
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Mark Behrend
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I will try to find a pic for you to show you what I mean.

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 Posted: Mon Dec 24th, 2018 04:32 am
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Zackri Higgins
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Sounds good! Thanks Mark!

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 Posted: Thu Jan 17th, 2019 03:18 pm
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Zackri Higgins
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Mark, were you ever able to find a pic?

Thank you.

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 Posted: Thu Jan 17th, 2019 08:06 pm
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Mark Behrend
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Sorry Zackri, I went on vacation and totally forgot about you.  I'm at a loss on your fan.  I'm thinking now that there probably wasn't a jumper wire.  I don't have a example to go by unless a Emerson 1010 is the same configuration.  Can someone help that has one of these fans?  

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 Posted: Thu Jan 17th, 2019 08:09 pm
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Mark Behrend
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I would just hook it back up the way it came apart and see what happens. Your not going to hurt it if something is hooked up wrong. You should be able to tell pretty fast if somethings not working right and unplug right away. Sorry, not the best advice but it has worked for me in the past.

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 Posted: Thu Jan 17th, 2019 09:03 pm
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Zackri Higgins
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No worries Mark! I’ll give it a try.
Thank you.

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 Posted: Thu Jan 17th, 2019 09:15 pm
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Stan Adams
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Hmm, it has been a long time since I was in one of these, but if I remember right, the PI241 has a separate start position on the switch. On a three wire stator, one wire should be common or neutral, one wire should go to the start position of the switch (first contact), & the other wire should combine with the wire coming from the choke & go to the high speed connection of the switch (second contact). The low position only has the choke lead going to it. If that start wire stays connected to full voltage for too long it will burn out the start winding. In your photo it looks like the start & run windings are soldered together.

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 Posted: Thu Jan 17th, 2019 10:05 pm
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Zackri Higgins
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So the green and red wires shouldn’t be going to the same place? I’ll probably have to play with it to get it right by wiring it up and applying power in very short bursts.

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 Posted: Fri Jan 18th, 2019 12:17 am
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Stan Adams
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Like I said Zackri, it has been a long time, but I am pretty sure that is the setup.

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 Posted: Fri Jan 18th, 2019 12:43 am
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Zackri Higgins
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Alright. Thanks Stan.

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 Posted: Sun Jan 20th, 2019 09:48 pm
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Larry White
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Well this is not a factory switch. This one is wired for high and low and appears to be missing the jumper. I think it may be a marriage of coil and switch. The solder joints would never have come from the factory that way. There is a good write up on the site, written by Sidney Lamb, for hooking up 3 wire headwire when you dont know which is which.

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 Posted: Sun Jan 20th, 2019 09:52 pm
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Zackri Higgins
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You mean the wiring job? I’m almost positive the switch and coil are original.

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 Posted: Sun Jan 20th, 2019 10:39 pm
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Stan Adams
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Larry these were different from the other three wire Emerson’s, they were not “auto start”.

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 Posted: Mon Jan 21st, 2019 04:24 am
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Steve Stephens
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Stan Adams wrote: Larry these were different from the other three wire Emerson’s, they were not “auto start”.1901 PI-241s were manual start but 1902 models were auto start.

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 Posted: Mon Jan 21st, 2019 02:48 pm
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Stan Adams
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From Rick Huckabe
http://www.afcaforum.com/view_topic.php?id=53916&forum_id=1&jump_to=461806

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 Posted: Mon Jan 21st, 2019 03:47 pm
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Zackri Higgins
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A huge thanks to Rick Huckabee for providing the wiring diagram!

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 Posted: Sat Feb 2nd, 2019 07:00 am
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Zackri Higgins
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Good news! I got the fan wired up and running! Bad news is I think the start winding is burnt out. When you put it in the start position it rumbles like crazy and spins up terrifyingly fast! I don’t believe that is normal at all.
But for now, I can use the fan as is, I’ll just have to “push” start it. Someday I will definitely have it rewound, but not right now. 

It’s a great sounding fan!!

Attached Image (viewed 51 times):

D870582E-BDB2-40EE-9C92-DC2DA47362E2.jpeg

Last edited on Sat Feb 2nd, 2019 07:55 am by Zackri Higgins

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