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PTCSCR


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6 replies to this topic

#1 Pilgrim88

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Posted 12 April 2012 - 10:17 PM

I am confused.

http://www.tecumseh....&modelo_id=1026

The Tecumseh specs say that my TPG1370YXA in my Maytag MFD256OHES is a PTCSCR motor type.

But the TPG1370YXA in my MFD256OHES does not have a capacitor.

Again I am confused... any help appreciated.

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#2 RegUS_PatOff

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Posted 13 April 2012 - 12:02 AM

... But the TPG1370YXA in my MFD256OHES does not have a capacitor.

yes, it does ..
Part number: C8931612

Part number: C8931612



OR as the rectangle portion of this Start Relay / Overload / Capacitor assembly
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#3 Pilgrim88

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Posted 13 April 2012 - 12:16 AM

OK so the run capictor is the "CR" nomenclature in the PTCSCR designation. Does the CS nomenclature apply to a capcitar start?
And what dose the PT stand for?

#4 Budget Appliance Repair

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Posted 13 April 2012 - 06:28 AM

Not sure if this is correct but they call the starter/overload/relay a PTC starter so maybe PTCStart CapacitorRun?
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#5 Samurai Appliance Repair Man

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Posted 13 April 2012 - 06:54 AM

Willie is correct- PTC is "Positive Temperature Coeffiecient" and refers the resistance of the material inside the starter. Its resistance increases with increasing temperature (positive coefficient, directly proportional) vs. decreasing with increasing temperature (negative temperature coefficient, inversely proportional). Same labeling is used with thermistors.

#6 Pilgrim88

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Posted 13 April 2012 - 11:37 AM

Wow Guys!

I think I see the light.

Sorry for asking the question on Capacitor twice... It was a brain fart.

Thanks again... you know your sh_t

#7 Pilgrim88

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Posted 18 April 2012 - 12:26 PM

I found this in my travels


RSIR (PTCSIR) - Resistive Start - Inductive Run Does not use capacitors

CSIR - Capacitive Start - Inductive Run Uses electrolytic capacitor (starting)

RSCR (PTCSCR) - Resistive Start - Capacitive Run Uses permanent capacitor (running)

CSR (CSCR) - Capacitive Start & Run Uses electrolytic (starting) and permanent capacitor at the same time – used with 4 terminal PTC




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