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What has 2 thumbs and loves his PIDed Saeco Aroma?
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Rusto
Senior Member
Rusto
Joined: 19 Oct 2009
Posts: 38
Location: St. Paul, MN
Expertise: I love coffee

Espresso: Miss Silvia
Grinder: SJ
Drip: Bodum French Press
Posted Fri Feb 19, 2010, 9:39pm
Subject: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

THIS GUY! Gets to temp quick and STAYS there. It's steaming power has gone up tremendously. Not difficult to program. Set C or F, which kind of thermocouple etc, then tell it to "Auto-tune" and you're done. No dual setpoints, but easy to manually change temp.
Paid >$65 shipped for the PID, thermocouple, and 40a SSR. Add another $10 for a project enclosure, wire, thermal paste and a pipe clamp to hold the thermocouple in place and you're set for under $75. I got my equipment from lightobject.com The PID appears to be the same as the Auber ones, FWIW.
It's helped me to produce way more consistent espresso. Hated the guessing game of temp surfing. I'd never go back.

Rusto: pid3.jpg
(Click for larger image)

 
Hey, man. Nice shot.
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geoffbeier
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Joined: 21 Jul 2008
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Location: Arlington, VA
Expertise: I love coffee

Espresso: Alex Duetto II, Gaggia...
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Posted Fri Feb 19, 2010, 9:45pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Very nice. I've never heard of lightobject.com before... I've only seen that kind of pricing on ebay. Was this a used controller or a new one?
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Rusto
Senior Member
Rusto
Joined: 19 Oct 2009
Posts: 38
Location: St. Paul, MN
Expertise: I love coffee

Espresso: Miss Silvia
Grinder: SJ
Drip: Bodum French Press
Posted Fri Feb 19, 2010, 9:55pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Brand spanking new. He sells on eBay under the name ColdFusionX, I think. But it's cheaper to order from his site. Ordered Tues and got it Fri. Shipped from CA to MN.
There seems to be quite a range in prices for PIDs and thermocouples. I've seen similar type K thermocouples go from $3-20.

 
Hey, man. Nice shot.
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nicatim
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Joined: 21 Feb 2010
Posts: 1
Location: Sydney,AUS
Expertise: I live coffee

Posted Sun Feb 21, 2010, 11:52pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

I have been looking to do this mod to my Saeco, but for $150 I was not going to bother for now.
But you have renewed hope!
Is there any way of getting a list of the parts needed, and a brief rundown of the process?
Any info would be appreciated.

Great job!

Oh, I just noticed the steam wand, which one did you end up with? Was it a straight fit, or some extra mod needed?
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Rusto
Senior Member
Rusto
Joined: 19 Oct 2009
Posts: 38
Location: St. Paul, MN
Expertise: I love coffee

Espresso: Miss Silvia
Grinder: SJ
Drip: Bodum French Press
Posted Sun Mar 14, 2010, 6:14pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Oops. Missed your post somehow.
Parts:
PID Click Here (www.lightobject.com)
Thermocouple Click Here (www.lightobject.com) I finessed the probe out of the screw. Attached it to the boiler with a pipe clamp and used plenty of heatsink grease. I also bought the pt100 sensor for a different project. I'm going to use that for my Silvia that I picked up last week!
SSR Click Here (www.lightobject.com)
Nutshell, from memory, could be wrong.
These are nice for the project box. Click Here (www.radioshack.com)
  1. Unplug both thermostats. They are in series. The wire going from the switch to the brew thermostat goes to one end of the SSR, the  wire going from the steam thermostat to the heating element goes to the other end of the SSR.
    The PID ctrlr tells you where everything hooks up to.  Set it up for the type of temp probe you're using, let it "Auto-tune" for an hour or so.
    I mounted a cheapass Radio Shack project box on the side. Drilled a hole in the machine.
  2. Total time: approximately 3 hours. Next one would take an hour.

I cut wires and attached new ones. For a do-over, I'd use Radio Shack spade lug adapters, #64-3064, so that it'd be easier to return to stock. Plus, I'd like a purtier project box.
This my "brief rundown of the process." Not directions to install it on yours! Just to give you an idear. Perhaps I'll do a real instructional post for the Aroma. But I wouldn't hold my breath as I have a newborn and precious little spare time!
Good luck to ya.
Oh, and that's a stock wand. I'll have a Silvia wand for sale when I get my V.3 wand. But that'll be down the road. Want to have a good idea what my stock Silvia will do before I mod it.

 
Hey, man. Nice shot.
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solvealways
Senior Member
solvealways
Joined: 6 Mar 2010
Posts: 5
Location: Kansas City
Expertise: I live coffee

Espresso: Silvia
Grinder: Rocky
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Roaster: I-Roast
Posted Tue Mar 16, 2010, 8:27am
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

brilliant!

Where did you get your enclosure?

I'll probably do this in the next month and I'll try to take pics of the process

Cheers

 
Be kind, for everyone you meet is fighting a hard battle.
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Rusto
Senior Member
Rusto
Joined: 19 Oct 2009
Posts: 38
Location: St. Paul, MN
Expertise: I love coffee

Espresso: Miss Silvia
Grinder: SJ
Drip: Bodum French Press
Posted Tue Mar 16, 2010, 10:37am
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Radio Shack. I'd rather have a shiny aluminium one like at auberins.com. But that one would have been too small.

 
Hey, man. Nice shot.
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kopiMonk
Senior Member


Joined: 13 Apr 2009
Posts: 3
Location: Philadelphia burbs
Expertise: I like coffee

Espresso: Saeco Aroma
Grinder: Mazzer Super Jolly, Baratza...
Vac Pot: Bialetti Brikka
Drip: Clever Dripper
Posted Sat Apr 3, 2010, 10:07pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Great mod !!! Your mod has tempted me to do the same for my Saeco Aroma. Price seems reasonable too. However, I noticed that you did it on a Starbucks Barista. Does anyone have better instructions for installing this PID kit on a the Aroma ? Perhaps, referring to the top view of the Aroma in the attached image , just to give a better idea of the wiring that needs to be cut, etc. ? A step by step instructional would be awesome.

kopiMonk: interior.jpg
(Click for larger image)
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Coffee4Steph
Senior Member


Joined: 2 Apr 2010
Posts: 20
Location: California
Expertise: I love coffee

Grinder: Mazzer Super Jolly
Vac Pot: Yama 8 cup
Posted Sun Apr 4, 2010, 2:38am
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

Can we get some pics? how is the thermocouple mounted to the boiler?
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Rusto
Senior Member
Rusto
Joined: 19 Oct 2009
Posts: 38
Location: St. Paul, MN
Expertise: I love coffee

Espresso: Miss Silvia
Grinder: SJ
Drip: Bodum French Press
Posted Mon Apr 5, 2010, 4:03pm
Subject: Re: What has 2 thumbs and loves his PIDed Saeco Aroma?
 

I'll get some pics up when I'm done with my taxes. Aaargh. Might even do a video.
The easiest way to think about adding the PID is that you're taking the spades off of the brew thermostat and connecting them with new wires to one side of the SSR. The other side is connected to the controller. That decides when to complete the circuit by switching on the SSR.
I bought an adjustable pipe clamp and worked it around the bottom of the boiler. Dabbed a bunch of heat sink compound in the sensor and tightened the clamp til the sensor snugged up against the boiler.
You don't need to cut any wires. You unplug the thermostat, have new wires with male spades coming from the SSR. If you want the PID to turn on with the espresso machines switch, you'll need wires coming from the controller to the switch. The wires'll need piggyback connectors so they can share the same plugins as the wires already connected to the switch.
If you want the PID to control the steam temp too, you can either unplug the steam thermostat and manually change the temps. Or get fancy and lookup "steam temp control with a single setpoint PID". I'll get more specific when I have time.
Also, ebay has a ton of enclosures. Most are shipped from CHINA, but the prices are right. Around $10, give or take.

 
Hey, man. Nice shot.
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