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Old 07-12-2010, 08:44 PM   #1
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Please help with wiring


I need to replace my Emerson condenser fan motor because apparently it has been spinning the wrong direction for years (if not forever - it is 11 years old).

Here are the specs on it:
Emerson Model K55HXPSS-7299 HP 1/5
VOLT 208-230 HZ 60 AMP 1.3 PH 1
R.P.M. 1075 THERMALLY PROTECTED
PT NO HQ1082641EM MFG. NO. G98 8
INS CL B AIR OVER CONT FRAME 48Y
3 MFD
370 VAC
Capacitor
CSA
LR2459

It only has three wires - black, red & brown.

I was told I could replace it with a Emerson Rescue Motor 5465 (note the picture on this page is wrong...see below for actual motor pictures)

Specs are a match, however there are many more wires. The orange and yellow are used to reverse direction.
There is a green for ground...the old one doesn't have that, so I have no clue where to run it.
There are 5 wires - brown, black, red, white & brown/white. I have no idea how to determine which wires to run where.

Here are some pictures that may help you help me figure out how to wired the thing.

(Note, they are large, about 1MB each so you can see detail, if needed).

Old Emerson Motor:
http://www.c3vr.com/member_uploads/IMG_1255.JPG

A/C Unit Wiring Diagram:
http://www.c3vr.com/member_uploads/IMG_1262.JPG

A/C Unit Wiring:
http://www.c3vr.com/member_uploads/IMG_1264.JPG

Actual New Motor - Lead End:
http://www.c3vr.com/member_uploads/IMG_1274.JPG

Actual New Motor - Shaft End:
http://www.c3vr.com/member_uploads/IMG_1275.JPG

Actual New Motor box label:
http://www.c3vr.com/member_uploads/IMG_1271.JPG

Actual New Motor Wiring Notice:
http://www.c3vr.com/member_uploads/IMG_1272.JPG

If anyone can tell me how to wire the Green and other wires correctly, I'd be very appreciative!



Thanks!


Last edited by adamwsh; 07-12-2010 at 10:56 PM.
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Old 07-12-2010, 09:37 PM   #2
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Location: Nebraska
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Please help with wiring


The motor link says a condensor fan motor on the heading but that's a furnace motor. Picture of the label on the motor also states 115 volt furnace blower motor. I don't know emersons numbers but double check you have the right part. Condensor fan motor will not have all the vent slots.

BTW a bad capacitor can make it spin backwards

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Old 07-12-2010, 10:53 PM   #3
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Please help with wiring


Quote:
Originally Posted by Marty S. View Post
The motor link says a condensor fan motor on the heading but that's a furnace motor. Picture of the label on the motor also states 115 volt furnace blower motor. I don't know emersons numbers but double check you have the right part. Condensor fan motor will not have all the vent slots.

BTW a bad capacitor can make it spin backwards
Good catch. The picture on that website is wrong. I added some pictures of the actual motor that I have in my possession now.

How/why would a bad capacitor make the motor go backwards? Could the wiring of the motor to the capacitor make it go backwards?

Thanks!

(note, large files about 1MB each...)

Actual New Motor - Lead End:
http://www.c3vr.com/member_uploads/IMG_1274.JPG

Actual New Motor - Shaft End:
http://www.c3vr.com/member_uploads/IMG_1275.JPG

Actual New Motor box label:
http://www.c3vr.com/member_uploads/IMG_1271.JPG

Actual New Motor Wiring Notice:
http://www.c3vr.com/member_uploads/IMG_1272.JPG

Last edited by adamwsh; 07-12-2010 at 10:56 PM.
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Old 07-13-2010, 05:22 PM   #4
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Location: Nebraska
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Please help with wiring


Can't open your pictures because I'm on dial up but will wing it. White and red to contactor, browns to new capacitor, green to a ground. Black is not used.
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Old 07-13-2010, 05:47 PM   #5
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Please help with wiring


Quote:
Originally Posted by Marty S. View Post
The motor link says a condensor fan motor on the heading but that's a furnace motor. Picture of the label on the motor also states 115 volt furnace blower motor. I don't know emersons numbers but double check you have the right part. Condensor fan motor will not have all the vent slots.

BTW a bad capacitor can make it spin backwards


Problem Solved!

Based on this tip, I went and looked at a neighbor's and found the Red & Blue wires connected to the capacitor were reversed!

I went home, swapped them on mine, and, turned it on, and viola! Spinning correctly!!!!

Thank you! Thank you! Thank you! Thank you!!!!!!
Saved me a LOT of headache and about $100 on that motor I can now take back!!!
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