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Frigidaire - dual infinite switch wiring help


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14 replies to this topic

#1 amazingappliance

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Posted Yesterday, 08:05 PM

Does anyone have a picture - other than the one provided with the univeral infinite switch - on how to wire this switch up? Part number-903057-9010 infinite switch. The original dual switch is NLA - so it was subed to this universal switch. The L1 and L2 connections are straight forward however the balance of the markings and spades on the univeral switch have different markings.

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#2 DurhamAppliance

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Posted Yesterday, 09:49 PM

I believe i know but, man, you really are putting us in a vacuum. A little guidance goes a long way like how 'bout a model number for the range, and what are the other markings on the switch (i aint lookin it up since it's right in front of you) as well as which burner the switch is for as many stoves have a dual burner that isn't the main burner?

btw Did you look at the tech sheet for the range?

Edited by DurhamAppliance, Yesterday, 09:54 PM.

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#3 amazingappliance

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Posted Yesterday, 10:20 PM

That was chump of me - sorry -

The model is 790.99503994

it is a right front dual element - part number - 903057-9010 infinite switch
That was chump of me - sorry -

The model is 790.99503994

it is a right front dual element - part number - 903057-9010 infinite switch

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#4 amazingappliance

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Posted Yesterday, 10:29 PM

Here is the wiring diagram that came with it.

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#5 amazingappliance

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Posted Today, 05:30 AM

Okay to be straight what is getting me on this one is -

1. old switch does not have any markings for 3, 4 or 5

2. when the element is hot there is a warm burner "indicator light" AND when the unit is on there is a separte burner on light.

3. Is it correct that H1 is an outgoing leg to the one part of element

---H2 is outgoing leg to other part of element

And a 18 guage black wire (Not the L2) is is the other shared leg for the H1 and H2

I have the wiring diagram from unit could post it if that helps

#6 amazingappliance

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Posted Today, 06:57 AM

Manually testing this new switch with continuity - here is what is happening

turned on to single element

continuity between (L2) and (L2B)N AND (L1)2 and (H1)3 and (H2)4

-------------------------------

turned on to dual element


continuity between (L2) and (L2B)N AND (L1)2 and (H1)3

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#7 DurhamAppliance

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Posted Today, 07:52 AM

pilot surface idicator wire is violet 5 on the old... P on the new

3 on the old is orange and H1 on the new switch

4 is h2 and yellow


if you get blown up, then never mind... uh... let me see.. oh yeah, Spannerwrench made me do it. lol

Edited by DurhamAppliance, Today, 07:58 AM.

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#8 amazingappliance

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Posted Today, 08:04 AM

The brown wire goes on the red L2 connection. Does that make sense?

And single black 16 guage wire?

#9 DurhamAppliance

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Posted Today, 08:14 AM

Looks like black is l1...the other is l2 but not sure of the color looks like red ....do a continuity check to the block to be certain

the 16 guage wire... are you saying that's a different wire than L1? Maybe hot surface indicator... diagram looks like brown but I don't see that wire, that is if it's different from L1, on your instructions.

Edited by DurhamAppliance, Today, 08:24 AM.

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#10 amazingappliance

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Posted Today, 08:19 AM

On the wiring diagram - last pic posted - it is BK-9 (2A) going to limiter from R-4 or L2 right hand side.

#11 DurhamAppliance

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Posted Today, 08:24 AM

Okay that's L2 leaving the switch feeding L2 to both inner and outer elements


I know Frigidaire issued a bulletin on a wiring change for single burners where that line (L2) is being fed to the burner directly from the block and you ignore that connection on the switch.. but again, that's for single burner.

Edited by DurhamAppliance, Today, 08:28 AM.

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#12 amazingappliance

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Posted Today, 08:28 AM

Okay - only place that can go is (L2b)N

#13 DurhamAppliance

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Posted Today, 08:31 AM

Process of elimination works great!
This was fun.... right? Lol... stupid Frigidaire!

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#14 amazingappliance

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Posted Today, 08:31 AM

Durham. So all that left is brown wire . you think it hooked onto L1 side with black line wire?

#15 DurhamAppliance

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Posted Today, 08:56 AM

Good question.... if you look at the schematic near the top for the LF burner, you will see the line running off L1 called a blk7 instead of br7 as on the other burners ... i think it should be black7 running into the limiter from l1 and brown7 running into hot surface from L2 for our burner as well... not sure though but this is causing me to pause... my guess would be L2 but that's all it is, a guess... gotta think harder...... and call in some reinforcements!



b

Edited by DurhamAppliance, Today, 09:00 AM.

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