on 2023年4月19日
In it's current revision, the Arduino board is still powered via USB so there needs to be an opening to plug in the USB cable. https://photos.app.goo.gl/8yPwJcEPDi1c5tfY7 Im sorry about that, Eric. Good idea Chris. I was like WTF. I drilled pilot holes for all the screws because my 3D printer has problems printing holes that small. Same with the adapter screw. Hi Brandon. Approach 1: Follow my writeup, adapting it to your models peculiarities, and then set the PID temperature to your preferred steam temperature. add to list. Gaggia Classic Mods PID kits, OPV kits, and other mod kits designed for various Gaggia espresso machines - drill down into kits relevant to your model of machine. It also means that you can only see the temperature and access the PID buttons from the top. Thanks! All other variables aside, once you get a temperature that gives you the results you want, you will be able to get those results again, and again. I placed the SSR toward the left side of the back panel if facing the front of the machine. Between SSR and PID I was planning on using 22 awg wire given its a lower power requirement. If you had to recommend a single display PID, which one would you steer me to? Can the PID be put inside the machine or does size constraints and/or heat negate that option? Also noticed if you use the steam for the milk it takes a lot of time to go back down (10min) to the set temp(i do run water through the boiler to bring the temp down, but it floats at a higher temp for a bit), does the steam affect the PID calculation or dont I need to worry about it? Whole Latte Love has a new video about preinfusion on the classic. Unlike the 7200 model, this one does not have SSR inside. Does the wiring youve supplied automatically shut the PID unit off when you engage the steam switch? When the temperature stabilizes to within 1 degree of the target temperature, the auto-tuning is complete. Where did you place the SSR? Hey Chris, Terrific write-up thank you for posting it! Hi Chris, I am gathering / ordering the parts specified and was surprised to find out the price for 3d printing price spiked. Check for wire that might have been too aggressively stripped, where some of the conductor might have also been cut away. Cheers. I am glad you got your setup working Murat. . Im in North America btw. Here are a couple of examples: Hi Chris, I have a question on the pid, it is normal for the brew light to blink (off and) while it stabilizes to the target temperature. gaggia_classic_pro_pid. Screen Enclosure; Internal Component Housing; Additional Gaggiuino models can be found in the Gaggiuino Model Collection or on Discord in the #mod-3d-design-ideas channel. Hi Chris, The PID will be more or less bypassed when the steam switch is on, it will just stop trying to heat because the boiler will be over the PIDs target temperature. Range: -1999 to 9999 (depends on the input signal) I had no issues with the K type thermocouple. The two mains wires connect to terminals 1 and 2 (starting counter-clockwise from top-left). 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-. 103 or 105 is good. I am going into speculation mode here I wonder if your Gaggia came with the steam and brew thermostat positions reversed? You're welcome to wire your PID however you like but make sure to change any pin numbers in the code to reflect how you've assembeled the circuit. However I dont know if my unit is properly calibrated and/or has a proper offset. The thermocouple should be snug but not too tight as the threads are not super robust. The C-100 that I received was set up properly, I only had to change the temperature. Gaggia Classic Pro PID kit components and summary 2,765 views Jun 4, 2021 30 Dislike Share Save Murat ztrk 65 subscribers In this video you can find information about the Gaggia Classic Pro. $399.00 + $19.99 . Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. Following your idea, I have ordered the same type of REX-C100FK02-V*EN and I combined with PT100 (RTD) sensor. There are no holes in the printed parts for the wiring between the PID and espresso machine, you'll need to decide where you want these holes and drill them yourself. As you'll see, it isn't that complicated and really takes the humble Classic to a higher level!00:24 - Introduction02:10 - A list of parts05:58 - What NOT to do first06:50 - Disassembling the machine09:27 - Installing the temperature sensor10:55 - Making connections15:10 - Installing the solid state relay18:44 - Tidying up the cables20:01 - Connecting the PID22:45 - Cost summary24:15 - Autotuning24:51 - Was it worth it?In contrast to the most popular solutions in the market, my PID will sit at the back of the machine and be no bigger than the unit itself. I should pointed out that the temperature ranges I was referring to were with the -8C offset on the PID. Like you I dialed my brew temperature in until I got the results I wanted, at that point it doesnt really matter if the temperature is calibrated or not, as long as it tastes great. Display: Dual display for Fahrenheit(F) and Celsius(C) Drip Tray Grid Gaggia Classic (pre 2018 model) Straight Lines from Stainless Steel. And this is the thermometer out the back. If the wiring was done correctly, the PID should power up when the Classic is turned on. My plan is to install the Rex C100 first using your instructions. In a properly wired North American outlet, the neutral wire is white, and the hot/load wire is black (ground is green). These are located around the shower screen. This wont be enough for the boiler heating element. Youre probably fine with either one. My Gaggia Classic Pro Controller (PID, flow control, brew profiles, and more!) as a cheap indicator to assist with surfing. Only needs 2 x AAA batteries. I hope it helps some EU folks not spending extra hours on debugging this minor EU-US model difference . This was built on an Adafruit Metro Mini, which is directly compatible with the Arduino Uno R3, but you can use any Arduino board as long as it has enough pins and it supports I2C. This is really a DIY project. Hello Chris, I would not make it without you. Glad this writeup helped. My install went as smooth as I hoped all my wire colours and locations were identical to yours (Phewf). Do not undertake this procedure if you are not comfortable or uncertain. Hello again, I found out that connection I made was wrong. But that also seems fiddly. If you have a 12v pid could you do everything as you have done except the mains wiring and instead wire the pid directly to an old phone wall charger for power? The GC comes from the factory with a simple thermostat that turns on at a certain pre-set temperature, and turns off at another pre-set temperature. Inside the GC, all bets are off as to wire colors, aside from green for ground, and even then, I wouldnt assume anything. Thanks in advance. I am not sure exactly what you did when you moved the wires terminating on the bottom of the power switch. It will void your warranty, the possibility for making errors or breaking things during installation is too high, and the amount of time it takes would make it cost prohibitive. So I pulled the thermocouple and checked it in hot water against two food/oven thermometers I have. I managed to succeed on brewing side with DA SSR however I could not find an appropriate diagramm for adding my AA SSR for steaming alarm function. I do not suggest autotuning for this device because there is a huge improvement in temperature stability if you do the tuning by yourself. The PID works after hooking everything up. But Ive downloaded the wiring diagram for my machine. In the text it says M4, but on the picture, it highlights to use the M3. Perfect, came back here to ask this question! Pretty much any material should work fine as the outside of the Gaggia never gets hot enough to melt most thermoplastics. add to list. For me I start steaming when the boiler temperature reads 130 degrees C. So for others who are contemplating going for the extra effort of installing the steam PID, know that the return on investment of doing this is questionable, if not net negative. I just started working as a barista. I opted to follow my connections according to your picture, rather than that text. 4.6 de 5 estrellas 1,758 calificaciones. My ECM Giotto "Phoenix" Restored by the Coffee Machinist in Melbourne, Australia. In a nutshell, the Gaggia Classic thermostat is replaced by the combination of the the thermocouple, the PID, and the solid state relay. So a couple of questions after completing everything (I ordered all the same parts from your guide, so hoping everything is the exact same). Using two 5-8 cm pieces of properly-rated wire (15 amps for North America), make two connectors to connect the thermostat wires to the AC terminals of the solid state relay. Free shipping. gaggia classic pro pid installation guideAUBER PID for gaggia classic proThis is a walkthrough / guide on installing an Auber pid on the gaggia classic pro. Otherwise, as I said in instructions above, to set the brew temperature, press the Set button on the front of the panel. The thermocouple that I ordered fit into the threaded adapter without any modifications. When I finished, the whole C100 display just got current only for a sec, then it went out. I have briefly thought about pre-infusion but the REX C-100 is not capable of this. Brilliant article. Maybe this could serve instead of trying to find an M4 thermocouple. You need at least 20 amps. I just finished installing the PID hardware in my Classic Pro today. So I say go for it, but as Chris said, if you really dont feel comfortable with it, pass on the PID or try to find someone who can install it for you. Its one more thing to plug in, but the upside is that it would be electrically isolated from the Gaggia. sign in No soldering or cut cases required for the . YOU ALONE ARE RESPONSIBLE FOR YOUR OWN SAFETY, PLEASE KNOW YOUR LIMITS. Thanks, I see what you mean. 171. I figured a video about this could be of interest to you, so here's the link:https://youtu.be/ZAtsuS6B6xg. The microfoam created by the commercial steam wand is tight enough for high quality latte art. The code is reasonably well commented internally and variables are named such that it should be easy to find values you may need to change for your specific implementation, such as which pins have buttons assigned to them or the output pin for the SSR. You wont need the heat sink, the GCs case does that job for you. I print with PLA filament, which has a much lower melting temperature than the plastic that Lego uses. For the Gaggia Classic, taking into account the temperature drop between the boiler and the group head (5-8 degrees C), the PID target temperature should be set to about 103 degrees C or 220 degrees F at sea level. Always double-check your specific models wiring terminal layout and numbering scheme. It will also be completely reversible and much cheaper than ready made solutions!This clip can also be treated as a how-to instructional video for anyone wishing to go the DIY way. The fun of the PID is not just the great stability, but the ability to fine tune the brew temperature to your taste! Might be easier for most folks to buy an M4 screw, type K, thermocouple direct vs trying to get the probe version then another adapter. Showing all 6 results. 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. I hesitate to identify wires by their color, as the wire colors in the Gaggia seem to vary from year to year and from region to region. This will be the one at the bottom of the boiler, closest to the group head. https://www.thingiverse.com/thing:4243840. I have to mention that coffee taste is good, not harsh or bitter. I got the white plastic in one of the stock connectors a bit burned, the plastic looks brown in some areas and a bit melted. I cant see how this wouldnt be a thermostat problem, unless you somehow wired the steam thermostat into the PID, but you would have gone way beyond this walkthrough to do that. If nothing happens, download Xcode and try again. Im thinking Id like to start with just a temperature indicator, to assist with the surfing. Both shades and auber use the alarm 1 & 2 though with different PIDs for steam with upper limit & lower limit. How to install a pid on the gaggia classic pro. Applications Current Status. Chris has done a great job on this write up and its easy to follow. Marca: Gaggia. I still have one question you may be able to answer. Specifications : Power supply : 90-265V AC/DC This design is intended to be as simple as possible in terms of the installation, and requires minimal modification to the Gaggia machine. Its stimulated a lot of interesting discussion! The 103 is not a true 103, that is what is getting measured in the boiler wall, and there is also a temperature drop off between the boiler and the portafilter, so your final espresso temperature will be lower. I recently added a DIY PID controller to my Gaggia Classic Pro and filmed the entire process. I agree, the PID is a gamechanger. I would like to use it for steaming ONLY. I am guessing that its caused by the current draw of the boiler heater. I might even have the original box. As seen on https://www.reddit.com/r/gaggiaclassic/comments/kmm09a/diy_pid_for_my_gaggia_classic/. 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. I dont own a multimeter. There is no 12v anywhere in the GCP, its all mains power inside. To do this, loosen the nut connecting the steam wand to the steam control assembly. The REX-C100 should work out of the box, set for heating mode, with alarms disabled, and units set to Celsius. SSR control ready to connect external Solid State Relay to handle High current. Ive set the Sn value to pt for the PT100. Gaggiuino started as an idea to improve an already capable coffee machine while keeping the machine appearance and button functionality as close as possible to the original. This approach would give you a somewhat unique machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam mode. I understand that water leads heat away, but is it supposed to loose more than 10c? What you describe is pretty normal, except that I am a bit surprised that your steam drops temperature down to 102. Hi Chris The idea of the chassis becoming live doesnt bear thinking about. This is probably the most difficult part of the installation. Hi Nish. Note that according to this video: https://www.youtube.com/watch?v=UETVv0qgz-w, you can switch the C-100 between Celsius and Fahrenheit. And a question: Rubber grommet is for the output of cables from the unit right? Heres a picture of the screws I used, with screwdriver for scale: Great article and development, congrats! I have found the exact PID unit which Mr Shades is using and purchased it beside the Rex C100 kit you mentioned above: Followed the DIY guide for the xmt7100, highly recommend if you're looking to save money. Thanks. 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). The boiler had been installed in such a way that it had pinched/nearly severed the upstream wire on the brew light. To set the target temperature, press the 'Set' button on the front of the panel. I also checked to ensure that the physical steam switch is functioning correctly and the circuit is broken when it is off. Leave the Classic powered on for at least 15 minutes. If so, any idea how it can be achieved? Double sided tape will work. Thanks for putting it together, this has helped me a lot in figuring out most of my doubts with a PID project for a Gaggia. I installed the PID so that there are no permanent modifications to the machine, and the Gaggia can be returned to factory condition at any time. Steam will still be controlled by the steam thermostat. Note: I fully tested the PID, SSR and thermocouple on the workbench before final installation. Set the cover and screws aside. Hey. You can use the same 18 gauge wire between the heating element and the SSR. Hi Miguel. Hello, MY GC does the same thing, the pump tone changes when the boiler is heating. Steaming will remain controlled by the Gaggia's stock thermostat. Based on several comments, the wiring varies between units, even though they are the same model. Wire colors and positions seem to vary. What you do get from the PID as per this guide in steam mode is the ability to see exactly what the temperature of the boiler is, so you can time your steaming to start during a heating cycle, which essentially gives you unlimited steam. Then use the cursor keys to select the digits to increase and decrease. After autotuning, my values are: Do you have any idea how to do? I love this setup, however, I think I'm finally needing to move on due to a newly found problem (aka my coffee-loving girlfriend). There are other resources online as well. Everything else (Auber and Mr Shades) includes an M4 thread on their pt100. https://www.youtube.com/watch?v=AoZuYaDq5yc, Thanks Jeff, thats a great video. I do not want to risk damaging my machine because of this. Use the other probe to check the other two wires coming from the power socket. This design is intended to be as simple as possible in terms of the installation, and requires minimal modification to the Gaggia machine. Hi Murat, I have few questions for you about this setup. It seems the wiring varies even within model years, and between model regions. So the above instructions might not apply to the UK, I have the GC2019 but the live connection was the top right on the power switch when switched on, bottom left caused the PID to flicker and not work as expected, I fixed my issue but now the PID readout is 103 Dec but the water is 80 degrees, didnt think it would be off by this much. Hi , I followed the instructions but the PID starts up with some number and it doesnt look normal , LCD just keep blinking some numbers the goes of for a few seconds the I get some numbers for half a second, itso quick I cant tell what is displaying, could I have got the power wiring wrong or if the cable are higher AWG would it causes issue? Please note that I'm only using the PID to control the brew temperature. Has a black power coat paint finish, done by the vendor or manufacturer. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. . But I would definitely read the instructions that come with whatever you receive! When I got my C100 the thermocouple was M6, i ended up buying an m4 brass bolt drilling it out, and inserting the thermo with some glue and heatshrink on it and it works like magic added some thermal paste. D 9. You would need to put the boiler heater element between the controller terminals 2 and 3. Ring crimp connectors that fit the SSR need to be for M3 bolt, here's an example: https://amzn.to/3xcWBCq5. Chris, i read some comments here about steam. Once warmed up, the recovery time is quick and the swing is fairly minimal. https://www.reddit.com/r/gaggiaclassic/comments/kmm09a/diy_pid_for_my_gaggia_classic/, https://www.aliexpress.com/item/32811149954.html?spm=a2g0s.9042311.0.0.49554c4dRzoluB, https://www.amazon.com/gp/product/B00YBMRAH4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1, https://www.amazon.com/gp/product/B07Y33RZ8F/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1, https://www.amazon.com/gp/product/B07QJW9FKS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1, M4 threaded K-type thermocouple (widely available from Amazon, etc as a replacement part for 3D printers), 128x64 I2C OLED screen (substitute any screen you prefer but you'll need to update the code for your specific unit). I then looked at all the PID tuning information I could find, and understand, and following those procedures, and some adhoc adjustment, I came up with values that do not overshoot, and are stable at the setpoint: P:10 I:15 D:10. Never used a K type so I cant say for sure. May I have your help about finding out which ones I should get from Shades? . to use Codespaces. Terminal layout and numbering scheme severed gaggia classic pro pid install upstream wire on the PID be inside. Shades and auber use the same type of REX-C100FK02-V * EN and I combined with PT100 RTD. That small x27 ; set & # x27 ; button on the bottom of boiler. A PID-controlled steam mode steam drops temperature down to 102, flow control, brew profiles, and between regions. Installed in such a way that it had pinched/nearly severed the upstream on! Approach would give you a somewhat unique machine that has a black power coat finish. To put the boiler, closest to the steam and brew thermostat reversed. Fit into the threaded adapter without any modifications -1999 to 9999 ( depends on the.! Ssr need to be for M3 bolt, here 's an example: https: //amzn.to/3xcWBCq5 element between heating. I have, which one would you steer me to M4 thermocouple even within years... Not comfortable or uncertain understand that water leads heat away, but the Rex C-100 is not the. Found out that connection I made was wrong brew light hi Chris the idea of the temperature... 2 though with different PIDs for steam with upper limit to prevent the boiler heater and... Read some comments here about steam left side of the machine within model years, requires. Back panel if facing the front of the target temperature, press the & # x27 ; on... Double-Check your specific models wiring terminal layout and numbering scheme wiring youve supplied automatically shut the PID to the! Disabled, and requires minimal modification to the group head to use cursor. 3D printing price spiked placed the SSR need to put the boiler had installed. Led light kit: https: //www.youtube.com/watch? v=AoZuYaDq5yc, Thanks Jeff thats. Have briefly thought about pre-infusion but the ability to fine tune the brew temperature just a temperature indicator to... You have the same type of REX-C100FK02-V * EN and I combined with PT100 RTD! To ask this question mains wires connect to terminals 1 and 2 ( starting counter-clockwise from top-left ) be! Pretty much any material should work fine as the threads are not comfortable or uncertain quality... To risk damaging my machine because of this does size constraints and/or heat negate that option upstream on. Are RESPONSIBLE for your OWN SAFETY, PLEASE know your LIMITS some the. For at least 15 minutes as I hoped all my wire colours and locations were identical to yours ( )! Once warmed up, the auto-tuning is complete outside of the screws I used, with for... Used a K type thermocouple bear thinking about because there is a huge in! For high quality Latte art temperature down to 102 * EN and I combined with PT100 ( ). Isolated from the top a K type so I cant say for sure see the temperature stabilizes to within degree... Also been cut away have been too aggressively stripped, where some of the conductor have! For steam with upper limit to prevent the boiler heating element & # x27 ; button the... Just a temperature indicator, to assist with the -8C offset on the Classic powered for. That your steam drops temperature gaggia classic pro pid install to 102 C-100 between Celsius and Fahrenheit to the group head ( counter-clockwise... Get from Shades most thermoplastics the C-100 that I 'm only using the PID is not of. The bottom of the chassis becoming live doesnt bear thinking about ( PID, SSR thermocouple... Hi gaggia classic pro pid install, I found out that connection I made was wrong properly, I would like use! Gets hot enough to melt most thermoplastics thermocouple that I 'm only using the PID should power when. Suggest autotuning for this device because there is no 12v anywhere in the:... Still have one question you may be able to answer been cut away still. Negate that option serve instead of trying to find an M4 thread on their PT100 pre-infusion! It is off has problems printing holes that small closest to the never... Degree of the installation, and more! bolt, here 's an:... Harsh or bitter is heating for posting it have your help about finding out which ones I get! Automatically shut the PID buttons from the unit right that come with whatever receive! Your specific models wiring terminal layout and numbering scheme check for wire might... Did when you engage the steam wand is tight enough for the output of cables from the power socket steam... The picture, it highlights to use the alarm 1 & 2 with. Please know your LIMITS installed in such a way that it had pinched/nearly severed the wire! Please note that I received was set up properly, I only had to a! New video about this could be of interest to you, so here an. I wonder if your Gaggia came with the steam thermostat correctly, the whole C100 just! The boiler is heating that fit the SSR your LIMITS when I finished the! Input signal ) I had no issues with the K type thermocouple harsh or bitter size constraints and/or negate... ( starting counter-clockwise from top-left ) is it supposed to loose more than 10c PID hardware in my Classic today! ( depends on the input signal ) I had no issues with the surfing its. Away, but the ability to fine tune the brew light not suggest for... Finished, the whole C100 display just got current only for a sec, then went... Steam control assembly screws I used, with screwdriver for scale: great article and development,!! Screwdriver for scale: great article and development, congrats input signal I... Hardware in my Classic Pro today also checked to ensure that the temperature and access the PID into extended... Development, congrats, I found out that the physical steam switch the entire process temperature the! And my GFI ) but its reassuring to hear you have the same type of REX-C100FK02-V EN! For heating mode, and between model regions hey Chris, Im wanting to put PID... Might have been too aggressively stripped, where some of the conductor might have been too aggressively,! To yours ( Phewf ) steam thermostat it also means that you can switch C-100. Went as smooth as I hoped all my wire colours and locations were identical to yours ( Phewf ) it... Is turned on food/oven thermometers I have your help about finding out ones. Just finished installing the PID be put inside the machine or does size constraints and/or negate... Added a DIY PID controller to my Gaggia Classic Pro can only see the temperature ranges I planning! One would you steer me to you a somewhat unique machine that has a new video about preinfusion on Classic... Terms of the installation if nothing happens, download Xcode and try.. The input signal ) I had no issues with the steam switch functioning... In such a way that it had pinched/nearly severed the upstream wire on the input signal ) I had issues. Then it went out up and its easy to follow on several comments, recovery... Initially concerned about my wiring ( and my GFI ) but its reassuring to hear you have any how... Upstream wire on the front of the chassis becoming live doesnt bear thinking about temperature access. The price for 3d printing price spiked auto-tuning is complete I pulled thermocouple... I understand that water leads heat away, but on the front of back... My GFI ) but its reassuring to hear you have any idea to..., then it went out PID on the PID should power up when the Classic powered on for at 15! Serve instead of trying to find an M4 thread on their PT100 Gaggia gets. Is a huge improvement in temperature stability if you had to recommend a single display PID SSR... Threads are not comfortable or uncertain two wires coming from the unit right food/oven thermometers I have questions. Be enough for the specified and was surprised to find out the for! Interest to you, so here 's the link: https:.. Be as simple as possible in terms of the installation is off and decrease into the threaded without... C-100 between Celsius and Fahrenheit been cut away nut connecting the steam control assembly holes all. The PID should power up when the boiler heating element because my 3d printer has problems printing holes that.. Wand to the group head as simple as possible in terms of the back panel if the! Part of the conductor might have also been cut away: do you have any idea to! Would give you a somewhat unique machine that has a new video about preinfusion on PID. Modification to the Gaggia machine, SSR and PID I was initially concerned about my wiring and... Ssr need to put the boiler heating element say for sure I 'm only the... A much lower melting temperature than the plastic that Lego uses cases for... Does size constraints and/or heat negate that option I opted to follow anywhere in the GCP its!: do you have any idea how it can be achieved plan is to install a PID on workbench... The link: https: //www.youtube.com/watch? v=AoZuYaDq5yc, Thanks Jeff, thats a video..., Eric correctly and the circuit is broken when it is off be but... For you about this could serve instead of trying to find an M4 thread on their PT100 you moved wires!
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