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Oven Building Forum Building A Curing Oven? - Here's the place to post your questions, specs and ideas.

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Old 06-06-2007, 01:41 AM
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Default Re: wiring a 110V oven

Four rod heaters in series on 120v sounds suspicious. Are you sure that's how they were wired? Measure the total ohms of the rods in series. Also measure the line voltage. Today's power is ~120v

Volts (squared)
-------------- = Watts
Ohms

If you don't come up with ~1000-1500w on the calc, it'll take a long time to heat. If those rods were meant to be wired in series, then the total ohms should be between 9.6 to 14.4. Any measurement above 14.4 puts you under 1000 watts at 120v.
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Old 06-06-2007, 11:55 AM
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Default Re: wiring a 110V oven

ha! In that stage of waking up this morning when thoughts aren't coherent, It came to me...."they're wired in series....the panel let you switch between top and bottom burners....". Thats when I woke up fully and came here and saw your message!

You're right! the top and bottom burners should be in parallel! After I gutted the old controls, the remaining element wiring looked as like they were wired in series, but that selector switch had a bunch of other wiring on it (now that I think of it) so that it was wired in parallel.

Don't you love the sub-concious mind??
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Old 06-06-2007, 08:10 PM
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Default Re: wiring a 110V oven

Well, its working! It got up to about 380 on the controller before I had to shut down and go to work...took almost 40 minutes though! No wonder I was having problems getting consistent temps.

John
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