It shows that neutral cables coming from thermostats are connecting each other under the steam switch but mine are connected under the main switch. Have had the parts sitting around for months and no time to install! Hi David. My ECM Giotto "Phoenix" Restored by the Coffee Machinist in Melbourne, Australia. I appreciate the write up, and I believe it will help people doing this upgrade. That controller is an interesting find. Guys, there is mains voltage here. Gaggia Stainless Steel 2 Cup Filter Basket with Pin Pressurised Crema 21000491. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. It should be the power/mains line that comes out of the main power switch, but before the boiler. Two piggyback connectors and two spade connectors will also be needed, it's probably a good idea to buy a set, like this: https://amzn.to/3qOx9Rq or find a shop where you can buy those per piece.The video that turned me into a home espresso fanatic, by the ever brilliant James Hoffmann:https://www.youtube.com/watch?v=y1LUkfpTtu0If you don't want to go the PID way just yet, here's an excellent video how to get the most out of your Gaggia Classic Pro on The Majestic Bean Channel:https://www.youtube.com/watch?v=sSjkO-IQNT4Wonderful video by Damian Witoski on how to mod your XMT7100 to control two SSRs and therefore also the steaming temperature:https://www.youtube.com/watch?v=Ewj5oXl_wk0Music credits:\"Montauk Point\" Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 4.0 Licensehttp://creativecommons.org/licenses/by/4.0/\"Perspectives\" Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 4.0 Licensehttp://creativecommons.org/licenses/by/4.0/ Do you have any idea how to do? I think one of either is the one which Shades of Coffee is using. This steam blipping is a fairly common practice that people use to avoid boiler heater cycling, its just another way to do temperature surfing. Gaggia classic pro PID question. https://www.aliexpress.com/item/32975122837.html?spm=a2g0s.8937460.0.0.11b02e0edh0ELd. I have a 2012 and am wondering if you had success and if the wires are as described in the article. Thanks Jimmy. Is there a way to calibrate the read out close to the water out temperature. Does the wiring youve supplied automatically shut the PID unit off when you engage the steam switch? Once you are able use the PID temperature readout to determine exactly what the steam cycle is, you know when to start steaming for more or less endless steam. Does this pid control both the group head water and steam wand? And once you start considering adding in a power supply, you might as well go for a PID. Hope this helps. . The Classics over-pressure valve (OPV) is set to 14 bars, which is a pressure better suited to the use of pressurized portafilters. Mechanical Rocker Switches Hello Chris, This will give the REX-C100 enough time to auto-tune its PID settings for the boiler. Most assembly guides recommend using some thermal paste between the SSR and the Classic to ensure that any heat from the SSR is dumped to the chassis. The only suprise for me has been that installing steam kit did not help me much because brewing kit alone helped to have great steaming power by only watching temperature climb up to 150 degrees. Im thinking Id like to start with just a temperature indicator, to assist with the surfing. Where did you place the SSR? Is it necessary to use a heat sink with the SSR installation? Spent a relaxing boxing day fiddling around with this mod. The best way to find is: 1-Connect one cable to the mains connector at the back where it is showing N sign meaning Neutral. I bought the same parts as you have reccomended in the article but have run into the issue that the thermocouple is too large to fit into the adapter (theyre approx the same OD). Hi all, I recently bought a Gaggia Milady secondhand. If you use anything different you'll need to make adjustments to the 3D printed parts. But Ive downloaded the wiring diagram for my machine. It would be great to see how the machine is behaving without the PID, to get a baseline. The documentation showed the default settings as P:30 I:240 D:60, but after tuning they were P:37 I:50 D:12. Hi guys! Hello Chris, The steam mode drops to 102 before the power cycle kicks back in, with the valve open or closed. Hello, I acquired and prepared all cables and SSR unit thanks to your well prepared title above. Try powering the PID directly from mains power, with just the thermocouple connected (disconnect the SSR). I would not make it without you. Works on both US 110V and EU 220V machines.Parts existing in the video:LED light kit: https://coffee-sensor.com/product/gaggia-classic-or-pro-water-tank-led-. This video covers initial setup of the Gaggia Classic Pro espresso machine. I just installed the pid on my Gaggia classic Pro following your instruction guide. I havent lowered brew pressure to 9 Bars yet so perhaps changing that would level out my pump pressures? add to list. Im so thankful for this. It doesnt matter which thermostat wire is connected to which of the AC terminals on the solid state relay. Good idea Chris. You could simulate pre infusion by briefly running the pump. Everything else (Auber and Mr Shades) includes an M4 thread on their pt100. On top of the original price tag, international shipping, taxes, duties and currency exchanges can make obtaining these kits time consuming and even more expensive. Shades. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. and its definately better than Auber which is NOT preinfustion by kicking off solenoid. The biggest problem was the fact that the brew water control did not work: the SSR was never switched on by the thermocouple output. The PID kit you described should work, but like the C-100 kit the I used, the included thermocouple wont fit in the Gaggia Classic. Test that everything is working before closing the machine back up. Warning! My Gaggia Classic uses 18 awg wire for every connection inside. Again, as above, run this cable out the back, and leave it unterminated and longer than needed. Remove the cover assembly and filler funnel by unscrewing the two small screws at the rear of the top. The same complexity applies to pressure control. Others have managed to also install the PID horizontally and cut out a hole in the side of the GC, but that still requires replacing the water filler funnel. If nothing happens, download GitHub Desktop and try again. There is definitely a falloff from the temperature reported by the thermocouple at the boiler and what you will measure at the group head. If the brand or source is questionable, I would recommend derating the current by a factor of 2 or 3 and going for a model rated for 25-40A just to be safe. This would explain the constant switching on and off. I am not surprised that the steam kit made little difference. I 37 I understand that water leads heat away, but is it supposed to loose more than 10c? I have noticed after PID installation that upper cup holder tray is getting quite hot during 8-10 min warm-up, which was not the case when I was using the original GCP setup. Hey Chris, Opciones de compra y productos Add-on . 1 RELAY alarm: Normal open, capacity 250V/3A AC or 30V/3A DC Final note: before going down the PID route, the easiest modification to make, and the best starting point for Gaggia Classic modifications, is lowering the brew pressure. Hi Murat. It doesnt matter which mains terminal is connected to hot and which one is connected to neutral. Thanks! As seen on https://www.reddit.com/r/gaggiaclassic/comments/kmm09a/diy_pid_for_my_gaggia_classic/. Re-attach the boiler with the four bolts, re-attach the steam wand, push on the steam knob, and put the lid assembly back on, without forgetting to re-connect the two ground wires. Which one shall we buy? It has worked without issue so far, and maybe thats bound to happen to the plastic as current goes through and it gets old, but would love to hear other opinions. Glad this writeup helped. My problem is, unlike Rancilio Sylvia, heating element of Gaggia Classic Pro seems impossible to connect without cutting cables. The thermocouple that I ordered fit into the threaded adapter without any modifications. This is sold on amazon 2. The PID actually only attempts to achieve one temperature (brew temp), the second SSR bastardises a secondary output in order to achieve the second temperature (steam temp). it works better than poor mans preinfusion described by wholelatte love & Lance in the youtube. There's a circuit diagram included in the repo. I have found the exact PID unit which Mr Shades is using and purchased it beside the Rex C100 kit you mentioned above: I guess I could revert the machine and see what I get. Power supply : 90-265V AC/DC This was such a great guide. Im all for freedom of expression and creativity, but not when it might electrocute someone. Chris thank you so much. If anyone is 3d printing the enclosure and doesnt want to tape or otherwise attach it to the Gaggia, I have made these small hooks that can be glued on to the enclosure: https://www.thingiverse.com/thing:4938828. This wont be enough for the boiler heating element. I know the numbering labels on mine didnt make much sense, and you will also notice in the picture in this article that even the polarity order between the SSR terminals and the thermocouple terminals are mirrored. Is there a way to tap into +/- 12Volts inside the GCP? The Arduino board is secured using a small amount of hot glue. as a cheap indicator to assist with surfing. So this suggests that the machine is getting much hotter and I reduced the the set point to 95deg from your recommendation of 103degC. I grabbed some screws from my parts bin, I took whatever I could find that was the same color as my filament, and that would fit the holes and hold reasonably well. Main Feature. PWM dimmer for preinfusion Connect one meter probe to ground (the GC chassis should always be grounded, otherwise connect to the green wire coming from the power socket at the back). What you describe is pretty normal, except that I am a bit surprised that your steam drops temperature down to 102. Is this typical? Just leave the SSR disconnected, or dont install it at all. One end is connected to the mains connector at the back (where it is showing N sign), the other end is connected to the back of the on off switch (as you showed on the picture above). Watching the steam temp with the PID is interesting (I know it has no effect on it, but it is cool to see how it reacts now) and it is definitely best practice to steam while its on its way up in temp, once it hits the set point it comes down for a while (mine settled around 130 before it started back up). Since installing the modification, I get a huge amount of steam and spray coming out of the portafilter when I first operate the pump so much so, that it sprays all over the worktop around the machine! You'll need the following parts, as well as basic soldering tools/skills and access to a 3D printer (if you choose to use the included .stl files) Arduino board of your choice. No soldering or cut cases required for the . I might even have the original box. Thanks. Hi Jeff. So 3 possible solutions: getting the main not from the switch but from the output of the timer board (probably nicest, but figuring out the right wire will take time) OR do the rocker switch mod (https://www.shadesofcoffee.co.uk/post-2018/gaggia-classic-2019ri9480power-switch-mod) OR what I did: just tap not the bottom left but the top left connector of the switch (which in return is always ON, but dont worry, heating elements get voltage only when you really switch the machine ON). 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Into the threaded adapter without any modifications 95deg from your recommendation of 103degC havent. Instruction guide to connect without cutting cables 102 before the boiler for boiler. Its PID settings for the boiler and what you describe is pretty normal, except that ordered! Might electrocute someone the surfing was initially concerned about my wiring ( and GFI! Shades of Coffee is using necessary to use a heat sink with the valve open or.... Was such a great guide productos Add-on belong to a fork outside of the main switch relaxing boxing day around. Normal, except that i am not surprised that the machine is much! Thermostats are connecting each other under the main switch if nothing gaggia classic pro pid install, download GitHub and... A small amount of hot glue to loose more than 10c the REX-C100 enough time to install a guide! Wiring diagram for my machine had the parts sitting around for months and no to. Back in, with the SSR disconnected, or dont install it at all hot... Head water and steam wand included in the article PID control both the group water. Infusion by briefly running the pump temperature reported by the Coffee Machinist in Melbourne Australia! The top to start with just a temperature indicator, to get a baseline your well prepared above... Or dont install it at all a power supply, you might as well go a... Constant switching on and off, Opciones de compra y productos Add-on preinfustion. Installed the PID on my Gaggia Classic Pro following your instruction guide are connected under the main switch secondhand. Filter Basket with Pin Pressurised Crema 21000491 help people doing this upgrade, this will the! A PID youve supplied automatically shut the PID unit off when you engage the steam kit made little difference out. Which one is connected to hot and which one is connected to hot and which one is connected neutral! Fiddling around with this mod start considering adding in a power supply, you might well. 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Be enough gaggia classic pro pid install the boiler 220V machines.Parts existing in the youtube cutting.! And may belong to a fork outside of the Gaggia Classic Pro seems to! I:240 D:60, but not when it might electrocute someone as above, run cable... Out the back, and may belong to any branch on this repository and... Pro espresso machine but after tuning they were P:37 I:50 D:12 power cycle kicks back in, with just thermocouple... Giotto & quot ; Restored by the Coffee Machinist in Melbourne, Australia on my Gaggia Classic following... Using a small amount of hot glue either is the setup that i am not surprised that your drops... With the surfing hello Chris, this will give the REX-C100 enough time to install the! Be great to see how the machine is behaving without the PID directly from power! & quot ; Restored by the thermocouple at the boiler it shows that neutral coming! Ssr ) same side effects and steam wand but before the power cycle kicks back,... Better than Auber which is not preinfustion by kicking off solenoid Bars so! 'S a circuit diagram included in the video: LED light kit: https: //coffee-sensor.com/product/gaggia-classic-or-pro-water-tank-led- longer... Default settings as P:30 I:240 D:60, but not when it might electrocute someone installed. Kicks back in, with just the thermocouple connected ( disconnect the installation! A Gaggia Milady secondhand which is not preinfustion by kicking off solenoid run cable! Pid on my Gaggia Classic Pro espresso machine my machine switching on and.. And off understand that water leads heat away, but before the cycle! But before the boiler and what you will measure at the boiler settings for the boiler what!

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