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-   -   Pol 2 cooler herms clone with control panel (http://www.homebrewtalk.com/f170/pol-2-cooler-herms-clone-control-panel-368915/)

smittygouv30 11-20-2012 02:10 AM

Pol 2 cooler herms clone with control panel
Hello all.

It's my turn to upgrade my brewing system. I'm looking to put together a clone of pols 2 cooler system, but I don't intend to go ALL electric. What I mean, is I'll keep using propane to heat my boil kettle but I will use a 120v heating element and HERMS, maintained via a temperature controller.

I have read many hours of threads here and it seems clear that using a simple ranco controller and pump is the easiest way. But of course I don't want THAT. Call me superficial i you want, but I really want to have a baller control panel. I want it to be user friendly and look the part! I realize this is far from necessary, but why not?

I really like the PID as it has the dual digital readout of set temp and actual temp for the HLT. Since I'm not using a "mega" element like most here, and instead using a 1500w 120v, could someone point me to which temp controller, SSR, and heat sink I need?

smittygouv30 11-20-2012 02:30 AM

This is the type of PID I'm looking for... http://www.auberins.com/index.php?ma...&products_id=3

I also want to mount a digital thermometer to the control panel face. Can any one recommend a good digital mountable temperature display that has a quality temperature sensor that can be used in thermocouple or thermowell. I'm beginning to wonder if I shouldn't just get 2 of the same temp controllers and leave 1 unconnected to anything. I'd use 1 to control the element/HLT and the other to just display the mash temp.

ajdelange 11-20-2012 03:03 AM

The second one could be used to, for example, sound an alarm for an out of temperature alert and you'd always have a spare on hand. At the price this sounds like a good idea to me.

Tinga 11-20-2012 04:06 AM

you basically described my build.


get a Auber 2352, 20 amp ssr with matching heatsink and whatever probe you want. I chose the cheapest RTD I could find. I dont use a thermometer because the temp is displayed on the PID.

smittygouv30 11-20-2012 10:49 AM

Thanks for the replies. I think I like the idea of just getting 2 of the auber PIDs. It'll look cleaner as they will match. That's a great idea wiring an alarm or light to click on when the temp is out of range with the second controller.

Any thoughts on using a pump to recirculate/stir the water in HLT around the coils. I'd rather not have to buy a second march pump just for that if I don't need to. I'd also rather not rig up a motorized stirring device like Pol's orinigal build. I was looking at the cheap pumps on amazon (http://www.lightobject.com/High-Temp...rade-P709.aspx) but they are DC and looks like they might not be ideal for brewing. However, I have read that some people are happy with them for brewing. I recently found the pumps from Canada (http://greatbreweh.com/Beer_Pump.html).

Should I just buck up and buy 2 march pumps?

Tinga 11-20-2012 04:23 PM

what about something like this?


it's only $14. just wire it in with a wal wart. its submersible too.

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