Question about Jenn-Air JED8230 Electric Cooktop

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Reinstalling a JennAir JED8430 downdraft cooktop. The house wiring is a black 120, white 120 and green ground or neutral. The stove wiring is black, red, white, green. Which goes to which? I heard that the stove white is a neutral and black & red are 120v. That would mean I have to connect stove white and green to house green? Black to black and white to red?

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Hi,
No, hook the stove black and red to the house black...
white to white and green to green...

heatman101

Posted on Mar 20, 2011

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those wires dont go to the down draft. those colors are to hook up the stove. do you have the instalation instructions?

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from supply
white, black - should be hot then ground

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red, black - should be hot white - neutral then ground

If you have a volt meter measure
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To complying with changed Codes (effective in 2002 ) regarding stoves, ovens and dryers. You will need a 120/240 volt 4 wire 40 amp and 50 amp circuit. This
Decades ago it was permitted to use a 3 wire system (having two 120 volt hots (Black and Red) and 1 combination ground/neutral wire) (green and white) to serve stoves, cooktops, ovens and dryers.
The Code change now requires all stoves and dryers in NEW construction to have the 4 wire set-up (now having two 120 volt hots, 1 white neutral and one green or bare wire ground).
Existing wiring is grand-fathered under the Code change.....I advise you to change the feed wiring over to the the 4 wire set-up...
because - as with ALL Code changes in the past...it will eventually become mandatory for all stoves, ovens and dryers as the grand-father clause drops off. By complying now...
BUT the wiring will need to change to 8/3 with ground. (having 4 wires inside one outer jacket).This is the primary reason for the Code change....to provide a greater margin of safety to the user.
I can NOT recommend the 3 wire hook-up...the 4 wire provides a seperate ground and neutral -
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Jenn air model JED8430bdb


Hi,

A similar concern on a different model (8230):
To my knowledge, the:
green - ground
white - neutral
black - 120 to ground
red - 120 to ground but between red & black, it should be 240. A Jenn-Air JED8230 requires a 3-wire, 120/240 Volt, 60 Hz Outlet.

Pls consult/confirm with your local electrical utility/codes the availability/applicability of this power/wiring system or reference National Electrical Code, NFPA No. 70

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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Based on your description...it appears the Viking unit may NOT comply with UL and the NEC....but implies that some local Codes may permit the suggested connection...and it may indeed be permitted - if the unit actually draws straight 240 and does not require a neutral for 120 volts (some cooktops do need the neutral for 120 volt control switches...such as your Jennair). Code now requires that new 120/240 units that require the neutral (your Viking unit states that it does not) be a 4 wire assmebly....and your unit MAY be an exception to this requirement.

Under those conditions...then it more then likely CAN be connected as you (and Viking) suggest - black to black, red to red,green to white...and insure that the junction box is indeed well grounded to the supply bare ground wire - so that the metal flex will serve as a supplemental ground to the cook-top.The only other consideration will then be - IS the exisiting wire size and breaker that used to supply the Jennair correct for the new unit..? And if so - then you should be all set with your suggested hook-up...but without electrical nameplate data for both units for comparison...I have no way to determine that....both companies make several different models with different power supply requirements.

If the electrical data is compatible between the two units...then you should be all set as suggested - without having to rewire the cooktop.

Hope this helps...please follow-up if you need more details or have new information for me concerning this cooktop.

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1 Answer

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On Cooktop From Box
| |
Black to Black
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2 Answers

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