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Sir Sparks
Sir Sparks, President/Owner/ Master Electrician
Category: Electrical
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Experience:  US State Certified & UK Electrical Contractor for all electrical fields/disciplines
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I have an old 115V AC motor, Type FZ, Frame 56Y, 1/3 HP, 1725

Resolved Question:

I have an old 115V AC motor, Type FZ, Frame 56Y, 1/3 HP, 1725 rpm, Phase 1, and it says "use with MDS capacitor." It has three wire, black, white and brown. I want to use it for belt sander. How do I connect the three wire into regular 115V house current?
KT
Submitted: 4 years ago.
Category: Electrical
Expert:  Sir Sparks replied 4 years ago.

Hi,

 

Is there presently a capacitor attached to the motor?

Is there signs that one used to be attached?

Customer: replied 4 years ago.
No capacitor attached. A friend gave it to me more than 35 years ago. I suspect this was from an old washing machine.
Expert:  Sir Sparks replied 4 years ago.
Well you will need a capacitor. Even with one I cannot be certain of what size it would be (in UF or MFD.) and the definite wiring although I could make a good guess.
Customer: replied 4 years ago.

All it says on the motor name plate is:

"Use with 170 MFD Capacitor" and no further description.

 

I tried it by connecting brown wire to ground wire on house receptable, and it runs OK. However, when I switched off without disconnecting, it had started running at very slow speed. I know it is dangerous so I disconnected it. Could you tell me what kind of capacitor I need and how to connect to wire?

 

Thanks,

KT

Expert:  Sir Sparks replied 4 years ago.

NORMALLY *(No guarantees) a 5 UF 370 volt capacitor connected across white and brown with supply across white and black as normal. Don't accept yet, let me know how it works.

 

Sir Sparks, President/Owner/ Master Electrician
Category: Electrical
Satisfied Customers: 2532
Experience: US State Certified & UK Electrical Contractor for all electrical fields/disciplines
Sir Sparks and other Electrical Specialists are ready to help you
Customer: replied 4 years ago.

Hello Sir Sparks,

 

Thanks for info. I will try to buy it somewhere locally if I can find it, and let you know when I try it. Not sure how soon, though. Thanks so much.

 

KT

Expert:  Sir Sparks replied 4 years ago.

Neutral feedback hurts me and is for no reason. I CLEARLY told you not to accept my answer yet! I will not assist you further.

 



Edited by Sir Sparks on 6/15/2010 at 3:42 AM EST
Customer: replied 3 years ago.

Dear Sir Sarks,

I had tried your suggestion, and it worked, then found another major problem of damaged wiring due to much too old and heavily used motor. No way to save motor, and I sent it to recycle. Thanks for your advise and local repair shop appraisedyour replay, as it worked. Thanks so much.

Expert:  Sir Sparks replied 3 years ago.
Thank you, XXXXX XXXXX Just answer and ask them to remove the neutral feedback as you are now happy with my correct answer,

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