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Old 08-04-2020, 04:41 PM   #21
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Quote:
Originally Posted by Tryintoretire View Post
Thanks Klassic for your help !!
Hereís my switch for the refrigerator defrost heater.
Again thanks...
Awesome! I think you are the only other person to do this.

Do you have the Fridgidaire?
Tell me thatís not just a simple SPST switch...?
I forget now why mine was so, basically, complex...but using a simple switch wasnít going to work. It was all because of the fact the one wire was inaccessible.
I need to go look at the fridge wiring diagrams again.
The main brain behind this mod was Mustang65. He completed his studies in electronics and went into the business. I dropped out of my electronics college program in the 2nd year, 1986. Lol.
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Old 08-04-2020, 04:50 PM   #22
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Originally Posted by Joan617 View Post
One more thing, klassic; is the point of the resistor to create a phantom load so that when the control board tries to turn on the heater it "thinks" it's successful? And is there a specific reason that you need to know that it tried? (As opposed to just letting it cycle in the future after you turn it back on)


Angus
Sorry Angus, I just saw your post now
The resistor is to take the load that the heater isnít getting. I tried a 1/4 watt first and POOF.
Itís not a case of the fridge needing to know that a defrost cycle was ďsuccessfulĒ
It is because there was no other way to get the voltage from going to the heater coil. (From what I remember) But, yes, it thinks it did a defrost cycle.
This is almost 4 years ago I did this and Iím having trouble remembering...even looking at that schematic I posted, Iím having trouble following it.

Like I said Iím my previous post, I need to go look at the original fridge schematic again to refresh. It all made sense to me then. Lol.

The whirlpool fridge defrost system could be completely different.
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Old 08-04-2020, 04:56 PM   #23
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Originally Posted by klassic View Post
Sorry Angus, I just saw your post now
The resistor is to take the load that the heater isnít getting. I tried a 1/4 watt first and POOF.
Itís not a case of the fridge needing to know that a defrost cycle was ďsuccessfulĒ
It is because there was no other way to get the voltage from going to the heater coil. (From what I remember) But, yes, it thinks it did a defrost cycle.
This is almost 4 years ago I did this and Iím having trouble remembering...even looking at that schematic I posted, Iím having trouble following it.

Like I said Iím my previous post, I need to go look at the original fridge schematic again to refresh. It all made sense to me then. Lol.

The whirlpool fridge defrost system could be completely different.

Itís called ĎOld Timersí Klassic!! LOL

Iím just going to wait until you are allowed back in the U.S. and have you do my refrigerator.
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Old 08-04-2020, 06:19 PM   #24
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You got that right Jack! I forgot to unplug my shore power from my house the other day. Good thing my cord has 8 feet of slack and I saw it moving in my mirror.

Iím looking at the schematic and reading my messages with Mustang and I donít know why I/we did it this way.
All I can figure is I wanted lights to tell me what the fridge was doing and thatís why the switch is so complex.
Looks like I could have just put a simple toggle switch in so the defrost heater never sees power.

I found this PM I sent to him... ďEither Iím looking at this wrong, or it canít be done...or Iím just too dumb to figure it outĒ
Haha. It was the latter.

But having it the way I have it now, with the LED lights, is much better.
I see it going in defrost all the time. Last weekend it defrosted 2 times in 2 1/2 hours. I was plugged in, so no biggie.
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Old 08-05-2020, 03:59 PM   #25
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It is the simple SPST switch,so on when shore power ,off while towing.
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Old 08-05-2020, 04:17 PM   #26
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Refrigerator defrost

I'll let you know if we have a problem,it is a frigadaire
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Old 08-06-2020, 07:32 AM   #27
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Originally Posted by Tryintoretire View Post
I'll let you know if we have a problem,it is a frigadaire
So you just put the switch between the BROWN wire?
Or the BLUE.
So simple.
Now if someone else wants to do it, it is a simple mod.

I think why I went so complex, is because I didnít know if the fridge needed to know if it completed a defrost cycle. It has a defrost sense circuit, and I didnít know how that worked with itís built in timer. I though it would throw error codes.


I think your method should work fine, as long as you donít forget to put the switch back.
Iíve left mine off for a week and it never frosted up.
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Old 08-06-2020, 11:34 AM   #28
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Defrost timer

Itís already on my hook up set of reminders for old men!!
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Old 08-09-2020, 10:30 AM   #29
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Originally Posted by klassic View Post
So you just put the switch between the BROWN wire?
Or the BLUE.
So simple.
Now if someone else wants to do it, it is a simple mod.

I think why I went so complex, is because I didnít know if the fridge needed to know if it completed a defrost cycle. It has a defrost sense circuit, and I didnít know how that worked with itís built in timer. I though it would throw error codes.


I think your method should work fine, as long as you donít forget to put the switch back.
Iíve left mine off for a week and it never frosted up.
Klassic I am still going to do mine sometime, probably exactly like you did. I just have not had any time lately to do anything.......besides work.
Have not used the RV at all this year.

Hoping maybe a couple of days around Labor Day.

Have you heard from Mustang lately?

Iíve sent him emails a couple of times and got no response.
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Old 08-09-2020, 11:02 AM   #30
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Klassic I am still going to do mine sometime, probably exactly like you did. I just have not had any time lately to do anything.......besides work.
Have not used the RV at all this year.

Hoping maybe a couple of days around Labor Day.

Have you heard from Mustang lately?

Iíve sent him emails a couple of times and got no response.
I was wondering the same thing the other day.
I checked and saw he had been online recently. Sometimes he heads up to the mountains and stays for a while on his solar. Maybe too hot for him in Tampa.
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Old 08-09-2020, 04:57 PM   #31
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I was wondering the same thing the other day.
I checked and saw he had been online recently. Sometimes he heads up to the mountains and stays for a while on his solar. Maybe too hot for him in Tampa.
Could be why..........it is HOT here!!
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