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Old 06-08-2011, 12:42 AM   #11
Tuzlo
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Maybe I should look at another way to do this. I would like to know temps of both kettles, one for mashing and the other for controlling the Boil. Not sure whether im getting too complex with this or not.


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Old 06-08-2011, 12:02 PM   #12
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Use the type K temp probes then.
I still do not understand why you think you need a seperate temp probe in the BK to control the boil. Please explain.


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Old 06-08-2011, 02:24 PM   #13
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My understanding is the thermocouple is a feedback to the pid for temp control. If so you can set temp on pid and it will control power to the ssr accordingly. Correct or not?
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Old 06-08-2011, 03:06 PM   #14
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This PID allows two different kinds of control. The first is based on a set temp setting. Use it that way for your HLT. When you're ready to boil, switch power over to your BK element and switch the PID to manual mode. The probe can stay in the HLT because in manual mode the PID will control the BK element by adjusting it's power based on percentage. It won't really use the temperature feedback from your HLT probe when in manual mode. The probe just needs to be hooked up so it'll function, but it will be adjusting the BK element based on the percentage it's set to. Set it to 100 percent until you get it boiling, then adjust down as necessary-say 60 percent depending on how it works for you. Just use a regular thermometer if you want to keep track of your BK temps while your coming up to a boil and adjust power as needed.
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Old 06-08-2011, 03:17 PM   #15
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Quote:
Originally Posted by Tuzlo View Post
My understanding is the thermocouple is a feedback to the pid for temp control. If so you can set temp on pid and it will control power to the ssr accordingly. Correct or not?
That is absolutely correct. However: When you are in the boil process the temperature is not a factor. 212F is 212F - a simmer and a rageng boil are both 212F. This is why you need a PID with manual mode so that the percent of power can be regulated.
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Old 06-08-2011, 04:22 PM   #16
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So doyou need a thermocouple on the BK or not? If you are setting percentage of power on the PID I don't see a reason to have a BK thermocouple. Please correct me if I'm wrong.
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Old 06-08-2011, 06:10 PM   #17
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So doyou need a thermocouple on the BK or not? If you are setting percentage of power on the PID I don't see a reason to have a BK thermocouple. Please correct me if I'm wrong.
No, you don't need a thermocouple on the BK.


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