Settings for Auberins PID on 2009 Rancilio Silvia - Page 3

by **Bellavance** on Fri Nov 06, 2009 2:18 pm

When setting the Auber PID's temperature, should we not take into account that this temperature will not last when we start the pour? I've noticed it really goes down fast during the 25 seconds.

If yes, should we then set it higher than the required water temperature?

by **Bellavance** on Sat Nov 07, 2009 6:15 pm

After some thinking but no actual water temperature testing, one more question related to my previous one: As the PID indicated boiler top temperature goes down fast as the coffee cup is pouring, does the water's pour temperature drop as fast? Probably not, I'd guess, because the boiler probably contains more water than what's needed for a double. Does it?

by **c1raider** on Mon Sep 20, 2010 8:52 pm

(Come back to life thread I need you)

Okay so I am wondering the exact same thing as the OP. It seems like there general conclusion is 16 degrees disparity between the boiler and the group head. However I go to another post Coffee guy's oversimplified guide to setting your PID and it looks like the number is actually closer to 30 degrees Fahrenheit. So if you silvia pid owners out there could let me know what your setting your pid at I would really appreciate it.

Thanks

by **nitpick** on Mon Sep 20, 2010 9:04 pm

I have mine set at 214F which yields 196F in the portafilter (i.e. a 18F difference). Auber's recommended 221F (IIRC) seems to be way too hot.

by **Louis** on Mon Sep 20, 2010 11:48 pm

Bellavance wrote:When setting the Auber PID's temperature, should we not take into account that this temperature will not last when we start the pour? I've noticed it really goes down fast during the 25 seconds.

The thermocouple is located close to the cold water inlet of the boiler. Therefore, as soon as you start the pump, the thermocouple register a temperature drop. This does not mean that the boiler water temperature as changed by as much as is shown. This thermocouple position choice is good when you start to think about it: it enables the heater faster to achieve better temperature stability/recovery time.

--
Louis Pelletier

by **AMcA** on Thu Nov 04, 2010 11:11 pm

Geez, I've been running mine at 217, and liking the results. That's what I thought the documentation recommended. Maybe I oughta crank it up.

BTW: hat's off to Auber - a year and a half after I installed it, the PID started giving erratic temperature readings. One quick email to Auber brought me a detailed response telling me what to check. The first thing on the list (the #7 terminal attachment!) was the problem. That's what I call great customer service!


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