Posted Wed Aug 14, 2013, 6:34am Subject: PID type for brew and steam function (Silvia)
Can anybody tell me which PID's or functions does a pid have to have to allow steam and brew function for the Silvia? Does the PID have to have 2 types of outputs for separate SSR's or 2 sensors? Is this a function within the PID to change to a different set point?
Id like to have a PID with brew and steam on my Silvia with the use of only one SSR. A DIY install looks simple enough so I'd like to avoid taking the Auber route and paying $200. Id like a 1/32 din size PID.
Posted Wed Aug 14, 2013, 8:32am Subject: Re: PID type for brew and steam function (Silvia)
The Auber PID SYL-1512 or generic similar is what you need. When I priced it a little over 1 year ago Auber PID with RTD sensor and SSR was a decent buy. Not the kit, just the supplies. If you choose the non-Auber generic way then you need the PID function and one alarm function. Preferably the alarm will say low limit alarm, but often it is not specified. Your choice is 2 SSRs or 1 SSR and diodes to keep the alarm and PID functions separate at the SSR. Auber has the best instructions from those that I looked at.
On page one below, look for Skene diagram for 1 SSR. It is done on Silvia at the Skene site and I used similar for Gaggia.
That thread is essentially 2 halves, first is about using alarm function to add heat during brew and the second half is installation. While install and supplies are Gaggia, some of the pictures of needed supplies and wiring are from Silvia. They are very similar to hook up and the supplies are very similar.
Auber PID and RTD with or w/o SSR is reasonable. Decide if you want to house it in a box. The Auber box is not cheep, but is a nice product. You can get supplies at one shipping that way. I did not find a better box. Look up the "Tasseloff" thread on Silvia for fairly recent install, in Canada.
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Posted Wed Aug 14, 2013, 8:36am Subject: Re: PID type for brew and steam function (Silvia)
I went with Auber when I installed one on my Sylvia. There is only one SSR, I think the PID is setup to use the alarm and the main channels to do the dual temp control. Others who have played with this will know more, I did the kit and it was very easy. Yes I very often do the DIY thing myself but at the time I had the money and bought the kit, I am glad I did, it was a simple plug and play setup, well worth the money for temp correct wiring with all the mental work done. YMMV!
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Posted Wed Aug 14, 2013, 8:45am Subject: Re: PID type for brew and steam function (Silvia)
The Auber kit uses one SSR as well, but has a PID that looks like 1512 but is modified and does not need diode or voltage supply. That internal change on the PID controller is proprietary and the kit PID is not sold separately, I checked with Suyi. The Skene method works well and Skene was still running the same SSR, diode and power supply a year ago and it was set up several years ago.
If you are really trying to save, you do not have to use the RTD fitted sensor, but can use a thermocouple and fit it yourself.
Posted Wed Aug 14, 2013, 11:20am Subject: Re: PID type for brew and steam function (Silvia)
OK so this answers my question. What I am looking for requires 2 SSR's if I want steam control. If I decide to go Auber (ebay find's don't look promising) I am looking at $125 + $20 for wiring and connectors. I am only saving around $25 not buying the kit. Thx guys for answering my questions. :) Looks like I will just go with a kit. Auber has the best deal.
UPDATE: Shipping from Auber will cost me $35 via Fed Ex or $15 via USPS which could take a while. A local supplier has the kit's with free shipping which will take a day so..
The Auber PID is $37 and the Box $25 or $15.50, if black, and SSR on ebay for $5 and thermocouples for <$5. You can use 1 SSR and 2 $1 diodes and the type of power supply below. Or diodes and 9v battery (at least on Gaggia). I do not care which way you choose, just making sure that you know that you do not have to use 2 SSR's and have that drive your costs.
Posted Wed Aug 14, 2013, 12:51pm Subject: Re: PID type for brew and steam function (Silvia)
The Auber PID is $37 and the Box $25 or $15.50, if black, and SSR on ebay for $5 and thermocouples for <$5. You can use 1 SSR and 2 $1 diodes and the type of power supply below. Or diodes and 9v battery. I do not care which way you choose, just making sure that you know that you do not have to use 2 SSR's and have that drive your costs.
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