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Old 08-18-2011, 06:55 PM   #1
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Another Blower Motor ?, Install help needed


Im stumped. Can't find anything about this capacitor (AMRAD 15.0 MFD Rheem p/n 43-21298) and the two brown wires that go to the capacitor from the BM. These are two exact colored wires. What's the dif?

Im replacing the Blower Motor that burned out a few days ago, same time I was trying to figure out a problem with another Blower Motor. See my other other thread.

Am changing BM in a Rheem Criterion II. BM is an Emerson Model ZK55HXXDP-7023, replacing w/ Emerson Model # 51-2503-01. These two brown wires coming out of the motor does it matter how these wires are connected to the capacitor? Its the only placed Iam stumped, (so far)!!

Blower Motor expected to arrive tomorrow so will get better handle on this. Btw, I bought a new capacitor 15 MFD 370v 43-25136-08 per suggestion found on this forum. THx to unknown person who recommended! Always best to replace old capacitor with new when replacing the old BM is what I've read. Its been a very hot week in Oklahoma!
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Last edited by HVACMac; 08-18-2011 at 06:56 PM. Reason: photo
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Old 08-18-2011, 07:13 PM   #2
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Another Blower Motor ?, Install help needed


Quote:
Originally Posted by HVACMac View Post
Im stumped. Can't find anything about this capacitor (AMRAD 15.0 MFD Rheem p/n 43-21298) and the two brown wires that go to the capacitor from the BM. These are two exact colored wires. What's the dif?

Im replacing the Blower Motor that burned out a few days ago, same time I was trying to figure out a problem with another Blower Motor. See my other other thread.

Am changing BM in a Rheem Criterion II. BM is an Emerson Model ZK55HXXDP-7023, replacing w/ Emerson Model # 51-2503-01. These two brown wires coming out of the motor does it matter how these wires are connected to the capacitor?Do you know Max?? Max no difference Its the only placed Iam stumped, (so far)!!

Blower Motor expected to arrive tomorrow so will get better handle on this. Btw, I bought a new capacitor 15 MFD 370v 43-25136-08 per suggestion found on this forum. THx to unknown person who recommended! Always best to replace old capacitor with new when replacing the old BM is what I've read. Its been a very hot week in Oklahoma!
Hope you have LOTS of patience when changing that motor. There are more blasted screws to remove than Carter has Little Liver Pills
http://www.google.ca/url?url=http://...5VK-_Q&cad=rja
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Last edited by yuri; 08-18-2011 at 07:22 PM.
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Old 08-18-2011, 07:20 PM   #3
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Another Blower Motor ?, Install help needed


doesn't matter......
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Old 08-18-2011, 08:06 PM   #4
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doesn't matter......
Thx, my hunches said no matter.
Let me check my fire insurance plan first before I proceed! thx.....Ron
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Old 08-19-2011, 10:37 AM   #5
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Hope you have LOTS of patience when changing that motor. There are more blasted screws to remove than Carter has Little Liver Pills
http://www.google.ca/url?url=http://...5VK-_Q&cad=rja
Screws? What screws......
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Old 08-21-2011, 11:28 AM   #6
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Another Blower Motor ?, Install help needed


UPDATE:

Replaced Blower Motor, All looks and feels great! Although, motor has "different" hum louder than usual as compared to previous BM. I guess I'll have to live with it. Anyway, anyone know what kind of money this would have cost me? Iam in the Tulsa area. Blower Motor and Capacitor + shipping cost me $168.00. The process was actually quite simple. My unfamiliarity is what took far too much time. I swear I looked at my pics I took of the wiring at least 10 times to make sure it went exactly to the spot. Btw, Thank you for the input!
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Old 08-21-2011, 01:31 PM   #7
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Another Blower Motor ?, Install help needed


Are you sure the new motor uses the same size capactor as the old motor did.
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Old 08-21-2011, 02:05 PM   #8
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Originally Posted by beenthere
Are you sure the new motor uses the same size capactor as the old motor did.
According to Comfortguru website it does. Motor is virtual exact replacement as recommended by CG.
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Old 08-21-2011, 03:30 PM   #9
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Verify what the capacitor value should be on the motor box or on the motor label. New motors should not hum!
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Old 08-21-2011, 06:05 PM   #10
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Originally Posted by hvactech126 View Post
Verify what the capacitor value should be on the motor box or on the motor label. New motors should not hum!
Its not a loud hum, but it does hum.

Ok, below are pics of new Blower Label and these are specs for the new capacitor.
Type: Single Round (Continuous)
Capacitance (uF): 15
Voltage (VAC): 370
Dimension A (in.): 1.890
Dimension B (in.): 1.770
Dimension C (in.): 2.380
Connections: 1/4 in. Quick Connects

It seems okay. Your thoughts?
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Old 08-21-2011, 06:20 PM   #11
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Another Blower Motor ?, Install help needed


looks like it is the correct one for the new motor, but I would be leery as to why it is humming, not matter how loud.
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Old 08-21-2011, 06:28 PM   #12
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looks like it is the correct one for the new motor, but I would be leery as to why it is humming, not matter how loud.
Its at a certain pitch that I find irritating. Now, get this, I replaced the old motor because it too had an awful hum and worsening as time went on, far worse than what I am hearing now. The old motor was very hot to the touch, had a, hot oily burning smell. Travels all through-out the house. No smells now. That's one good thing plus we're all so cool after a week of no a/c.
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Old 08-21-2011, 07:10 PM   #13
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Another Blower Motor ?, Install help needed


I don't think your new motor is the right motor.

Looks like old motor was 1/5, 1/8, 1/10 HP, and the new one is a 3/4 HP, way too large. Will end up having a short life span.

Look at the amp draw difference, old motor highest is at 1/5 HP and its 6.5 amps, new motor is 9.5 amps.
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Old 08-21-2011, 11:54 PM   #14
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Quote:
Originally Posted by beenthere
I don't think your new motor is the right motor.

Looks like old motor was 1/5, 1/8, 1/10 HP, and the new one is a 3/4 HP, way too large. Will end up having a short life span.

Look at the amp draw difference, old motor highest is at 1/5 HP and its 6.5 amps, new motor is 9.5 amps.
Whoops, got the upstairs BM mixed. I'll change pic in the AM. Good catch!::
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Old 08-22-2011, 03:36 PM   #15
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Quote:
Originally Posted by beenthere View Post
I don't think your new motor is the right motor.

Looks like old motor was 1/5, 1/8, 1/10 HP, and the new one is a 3/4 HP, way too large. Will end up having a short life span.

Look at the amp draw difference, old motor highest is at 1/5 HP and its 6.5 amps, new motor is 9.5 amps.
Photo corrected! Had pic of another motor....sorry about that....

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