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I see many questions answered so I know there is some brains out there. I have a dryer that is running too hot. If the timer tells the dryer how long to keep running, and the thermostat keeps cycling between 155 degrees and 135 degrees as stated, and there is only one heating element that is being used, how is it able to give you 3 different heating selections?(low/med/high) The theromstat has internal-bias with a built-in 120v heat anticipator. 2 watt heater has 3/16" terminals. The temp is L155-25. WHat is that all about? I've checked the temperature at the exhaust with a meat thermo. and it read it was cycling between 120 and 160 if it is accurate, and it has good air flow... Can someone please help me with my dilemma? Thank you
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Here are your parts Replacement parts for WHIRLPOOL WED5530SQ0 | AppliancePartsPros.comHere is the wiring diagram https://www.servicematters.com/d...0Sheet%20-%208576817.pdfhow is it able to give you 3 different heating selections?(low/med/high)
The theromstat has internal-bias with a built-in 120v heat anticipator. Not sure what you mean by "anticipator" It is an internal heater that is turned on depending on your temp setting. The temp selector switches in resistance in series with the internal heater. The higher the resistance, the lower the current through the internal heater, the less heat it generates. The internal heater adds heat to the thermostat so it is not only switching from the main heaters temperature but also from the internal heater temperature. So the hotter the internal heater the more often the thermostat shuts off and this results in a lower main heater temperature. Normal switched in resistances are Low Heat Cycle - 10 ohms - internal heater on high High Heat Cycle - 10,000 ohms - internal heater on low The temp is L155-25. WHat is that all about? I assume the above is the thermostat spec. It switches off when the temp reaches 155 and switches back on when the temp drops 25 degrees (130) Check the thermostat's internal heater. Should be approximately 7,000 ohms. Remember to disconnect one side of it so you do not measure an alternate/parallel circuit path. If it is OK then check the Temperature Selector. Hope the above makes sense!!! |
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You speak of a main heater, and internal heater. I know of the main heating element, but where is this internal heater you talk about?
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Theres NO internal heater!!!!!!!!!
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You had said internal bias so to try to keep the terminology (yours not mine) consistent I used internal heater. I must have misunderstood what you meant.
The internal heater (thermostat heater) is the heater inside the operating thermostat.
Center top of the wiring diagram.
If you look at the picture of the operating thermostat in the parts (click on the picture and you will get better views) you will see it has 4 connectors,
2 for the contacts and 2 for the thermostat heater.
Unless I have the wrong parts breakdown and wiring diagram!!!
Also I now see you have 2 threads going, please mark one as a duplicate as having two will just confuse things. |
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Being a layman and when someone used the terminology in his answer I didn't know there was a heater within the thermostat... but more so, you don't have to respond to me with such rudeness!!!!!!!!!!!!!!!!!!!
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kishane, How do you know it is running to hot? The thermostat has 4 terminals on it, The 2 larger terminals are for the HEATER CIRCUT!!! The 2 smaller terminals are for the "warming" unit inside the thermostat. The way you get 3 temps out of that therm. is by ajusting the time that warming unit are ON!!! If your dryer is running above 160 with the vent attached, Replace that thermostat, Hope this clears everything up for you!!!:)
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I apologize, I did not mean to be rude.
But I did mean to be direct so that we would be on the same page.
I felt that you were calling the thermostat heater an internal bias and that is why I called it an internal heater as I felt this would be less confusing for you.
I supplied you with the parts so you could locate them in the unit and also more importantly the wiring diagram which is an absolute must for the problem you describe. I also tried to explain it works as best I could.
Again I did not mean to be insulting and am sorry if you took it that way.
denman |
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WHen i looked the part up on the internet, I copied and pasted the description that it gave that part in my post... I didn't have any idea what it all ment. Have a great day!
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I have a whirl pool dryer it do not come on i brought a relay but that did not work either so what should I do when I open the door the light is on
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