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Old 03-16-2013, 05:38 AM   #1
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Default Is this boiling?

First time testing out the new Kal clone.
I had a 5500w element in the HLT and a 4500w in the boil kettle, off of a 50 amp panel. My boil kettle is a 35 gallon Bayou stainless pot.

First time trying to boil water in the BK, and I could only get it to 208 degrees with the 4500w element. I figured the element didn't have enough juice in the large pot, so I switched it to the 5500w. Same problem. The Thermapen was also reading 208, in line with the PID. Just to make sure, I took the Thermapen to the stove and put it into a hard boiling pot of water, but it only read 210. Odd that the Thermapen and PID are each off by 2 degrees, but that means I only got to 210 while in the boil kettle.

Here is a video of what it looks like when it's at 206-208 degrees. Is this really a rolling boil? Will it suffice?

http://www.youtube.com/watch?v=76zww...ature=youtu.be

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Old 03-16-2013, 05:56 AM   #2
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I'm on a lp setup but my hard rolling boil is much more vigorous than that. You might want to look into a heat stick or some other heat source to get it over that hump to a hard boil. I feel like it will be hard to achieve proper hot break and what not with that mediocre boil.

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Old 03-16-2013, 06:01 AM   #3
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Also, what is your elevation?? I live at 8k ft so my hard rolling boil is about 200 deg F

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Old 03-16-2013, 06:08 AM   #4
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Quote:
Originally Posted by jphebbie2 View Post
Also, what is your elevation?? I live at 8k ft so my hard rolling boil is about 200 deg F
About 800 ft.

I added 1000w between switching the elements and it still didn't raise the temp a degree.
Not sure what gives.
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Old 03-16-2013, 01:21 PM   #5
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Quote:
Originally Posted by evandena View Post
About 800 ft.

I added 1000w between switching the elements and it still didn't raise the temp a degree.
Not sure what gives.
I think two things are going on. 1 - your PID or temperature sensor is measuring wrong. 2 - You aren't dumping enough energy ino the water for a good boil.

What is your incoming line voltage and what is the voltage across the element when it's on?

A 240V 5500 watt element is not 5500 watts if your line voltage or voltage at the element is low:

240V = 5500 Watts
235V = 5273 Watts
230V = 5051 Watts
225V = 4834 Watts
220V = 4622 Watts
215V = 4414 Watts
210V = 4211 Watts
205V = 4013 Watts
200V = 3819 Watts
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Old 03-16-2013, 04:56 PM   #6
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My seem like a dumb question but if the pid won't let you go above 207 is it on the Celsius scale rather than Fahrenheit?

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Old 03-16-2013, 04:58 PM   #7
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207C is 2X the boiling temp of water - not likely.

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Old 03-16-2013, 05:09 PM   #8
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Quote:
Originally Posted by thargrav View Post
207C is 2X the boiling temp of water - not likely.
I missread the post I thought he said that the pid wouldn't let him select higher than 207 after looking at the vid. i see he has it set at 215
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Old 03-16-2013, 05:09 PM   #9
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Take it out of PID mode and go 100% and see what happens.

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Old 03-16-2013, 05:23 PM   #10
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Just comfirned, it was in manual mode while trying last night. It's in manual mode right now, and we're giving it another shot.
Tested the voltage, its 240v at the element terminals, so everything looks good there.

At my elevation of 1,000 feet, water should boil at 210. So it looks like the Thermapen was calibrated correctly, which means the PID is correct as well.

Signs seem to be pointing to not enough power, but how is the 5500 watt element not raising it a single degree beyond what the 4500 could do?

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