Its threaded on, and should not be very tight. Hi Tom. Current Status. But Ive downloaded the wiring diagram for my machine. They are easy to unlock to get to all of the other settings, there are plenty of instructions on how to do this out there, but I didnt really need to go there. What is your coffee bean dark or light? Wire colors and positions seem to vary. I might even have the original box. Hi Murat. The only other thing I can think of is the relay. Based on several comments, the wiring varies between units, even though they are the same model. 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). Thank you for making it. 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. 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. Hi Gene. It just overrides the PID and heats up the boiler to the factory preset steaming temperature.Links to parts [None are affiliate links]https://bit.ly/3gL9c95 - XMT 7100 PID unithttps://bit.ly/3xgAHhc - PT100 precision temperature sensorhttps://bit.ly/3wnZD6l - Fotek solid state relay 25Amphttps://amzn.to/3xamPFg - cable sleeve (different widths available)https://amzn.to/2RSAge0 - magnetic tape (example link, different widths available)https://www.thingiverse.com/thing:3671244 - 3D printed case file (print this locally)https://bit.ly/3pPphP0 - the unattractive aluminium enclosure if you wish to go that routeYou will also need:1. gaggia classic pro pid installation guideAUBER PID for gaggia classic proThis is a walkthrough / guide on ins. When I finished, the whole C100 display just got current only for a sec, then it went out. Take your time, think it through, and be patient. I think Mr Shades has managed to do this using only cables because I dont think he instructs anything to void the warranty. Main Feature. Ive seen the steaming power on the classic remains solid from 125C and up, anything below that results in mediocre steaming power, which makes me wonder if I just have an aftermarket part that shouldnt be on this machine, or is just signs of imminent failure. As for you steam mode question, if you followed this guide for installing your PID, the PID will have no effect on the the steam temperatures or functions. You can search on Reddit, a few people have made these modifications. P 53.1 Auto-tuning PID cooling/heating control However, at the cost of convenience, these kits can be relatively expensive. Display: Dual display for Fahrenheit(F) and Celsius(C) Gaggia Classic'teki stma sistemi basit mekanik termostatla altndan scaklk 85-105 derece arasnda gidip geliyor ve siz demlemenin hangi scaklkta balayp hangi scaklkta bittiini bilemiyorsunuz. Print services. The included STL files assume you're using the exact same parts I am. I guess I could revert the machine and see what I get. The Classics over-pressure valve (OPV) is set to 14 bars, which is a pressure better suited to the use of pressurized portafilters. Also, the diagram of the controller lists SSR to connects to terminals 9 & 10. Youre probably fine with either one. Shades and Auber Instruments. If its closed it takes longer for temperatures to drop, but still goes to 102 before the it power cycles. I used P:2,4 I:40 D:10 and Souf:0.2 which gives a shot stability around 2 degrees for single, 4 degrees for double shots. The lack of consistency pre-PID is frustrating, because you can get everything else right and still be at the mercy of the temperature determined by the thermostat cycle. 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. If you can share a picture of it, or a link, I can add it to the article. My P value is quite a lot different than yours. But nothing prevents you from using the PID and thermocouple as a temperature indicator. PID example MAX31865 driver is finished. 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. 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. Hi Ray. Thanks! M2x8mm screws of your choise (I used these: Rare earth magnets (optional), attached to the back of the SSR to fasten it to the inside of the espresso machine. PID kit temperature control for Pavoni or Faemina lever coffee machine . And this is the thermometer out the back. Thanks. Mods for post 2018 - Gaggia Classic Pro / Gaggia Classic 2019 espresso machines View products Mods for pre 2018 - "Original" Gaggia Classic espresso machines View products sign up Im on [emailprotected] 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). Hi Miguel. An extended de-bugging solved the problem: the PID 12v circuit output was reversed, so changing + to solved the problem. 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. 1 RELAY alarm: Normal open, capacity 250V/3A AC or 30V/3A DC I start to run the steam at about 130 in the heating cycle on my setup. Gaggia Classic Pro. Pretty much any material should work fine as the outside of the Gaggia never gets hot enough to melt most thermoplastics. Publicado el sbado, 1 de abril de 2023 . 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. Is 103 degree Celsius the best target temperature fit the PID? Double sided tape will work. The A vs E should not make a difference as I am not using alarm function, and am using it with a 3-wire PT100. 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. Thermocouple: J,S,K,E,Wre3 ~ Wre25 . The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. What exactly is a mains-rated wire, and where would I find one? P, I, d, controlling period, digital filter coefficient, and more (for control theory experts only) So a couple of questions after completing everything (I ordered all the same parts from your guide, so hoping everything is the exact same). - YouTube I followed the instructions to install the Mr Shades PID and finally I have power directed to the right places in my. Comes with all of the accessories that originally came in the box. But I would definitely read the instructions that come with whatever you receive! Using pliers to pull the connectors can pinch them on even more tightly, making them extremely difficult to remove. YOU ALONE ARE RESPONSIBLE FOR YOUR OWN SAFETY, PLEASE KNOW YOUR LIMITS. Thanks! Great guide. Do not undertake this procedure if you are not comfortable or uncertain. Perhaps you are refering to the video by Damian Witonski. Would you be able to post starting values for the PID kit please? The PID will show the temperature, and be somewhat confused by its inability to reach its setpoint, however the PID is bypassed in the same way when the GCP is in steam mode. Its crazy. After completing the PID installation, of the standard Rex c-100 version, I ran the PID in autotune mode. Even with a perfect offset, you would also need to also take into account the temperature offset between the boiler and the portafilter. The C-100 that I received was set up properly, I only had to change the temperature. Thanks. Hi Anton. Im tempted to return the GC because I never used it prior to the mod and it may have been a pre-existing issue. Complete with dual 250W cartridge heating elements (up to temp in ~8mins), bead-blasted stainless steel and internally a hammertone blue powder coat. You can take a look at this discussion about offset in the Gaggia Classic: https://coffeeforums.co.uk/topic/53319-what-temp-offset-are-you-using-with-your-pid/. I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. Glad you got that sorted out. Thanks heaps for the detailed instructions. It is still showing the M4 screw as the Crossed out/wrong one, and can be a bit confusing. It really pays off to assume nothing, and test everything. But that also seems fiddly. Did you try it? I dont bother with offset, once I have a temperature dialed in, it doesnt matter whether its measured at the boiler or offset for the group head. Chris, this is a far simpler way to add preinfusion. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. Mounting Dimension: DIN: 1/16 (48mmX48mmX80mm) Universal Input: Thermo Resistor: PT100, Cu50 . $399.00 + $19.99 . The PID switches the power to the boiler heating element on and off a lot more frequently than the original mechanical thermostat. Input. I hope it helps some EU folks not spending extra hours on debugging this minor EU-US model difference . This steam blipping is a fairly common practice that people use to avoid boiler heater cycling, its just another way to do temperature surfing. That is confusing. I went with an insulated PT100. Hi guys! New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display $140.81 Shades of Coffee Original - Gaggia Classic PID kit - 1/32DIN single display $140.81 Shades of Coffee TopBox PID Mounting System $36.17 Shades of Coffee Gaggia Classic - Flow Control Dimmer kit $27.13 sign up ABOUT US CONTACT US DELIVERY TERMS YOUR PRIVACY REFUND POLICY FAQs My ECM Giotto "Phoenix" Restored by the Coffee Machinist in Melbourne, Australia. Youre giving up one of the two temperature readouts, so youll probably only see the actual temperature, as opposed to the target temperature, and I guess you can switch between the two with a button press. Or is the only power available from the mains? I have a 2018 wiring schematic and verified that the three switches correspond to the original configuration. This approach would make your machine a bit weird to someone who wasnt aware of what you did, as the brew function would be completely unusable without adjusting the temperature. Ive followed these instructions and installed the mod using the REX-C100, SSR, K-type thermocouple and brass adapter linked in Chris excellent writeup (Thank you Chris). 24,00 . 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 recently added a DIY PID controller to my Gaggia Classic Pro and filmed the entire process. Thread the thermocouple wire through to the back of the machine, and out the same slot as was used for the other wires. Mains is house current. https://www.thingiverse.com/thing:4243840. Try powering the PID directly from mains power, with just the thermocouple connected (disconnect the SSR). This way you are not losing any pressure via the solenoid valve, you are just reducing the initial pressure to the puck by venting some of it through the steam wand. Hi Murat, But just like the kit I ordered, the threads on the thermocouple M8 according to the specifications are too big for the Gaggia. Optionally, you can add some sleeving to the wires running between the Gaggia and the PID. This approach would give you a somewhat unique machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam mode. Thanks! Thanks in advance! Do not over-tighten the adapter, it only needs to be finger-tight. Please let us know if theres a way to show our gratitude if theres a charity or cause we can donate to for you putting this guide together. . Thanks for the great guide. Hi Andrue. Attach the solid state relay to the inside back wall of the Classic, using a small bolt and nut. Perfect, came back here to ask this question! The kit looks a lot like the one I ordered. I have a 2012 and am wondering if you had success and if the wires are as described in the article. However, when I flip the gaggia power switch to off, the PID LCD screen remains illuminated. I am guessing that its caused by the current draw of the boiler heater. When the steam switch is on, the PID stays on but because the boiler temperature in steam mode is much higher than the brew temperature of the PID, the PID provides no power to the SSR and heating element. under the name replacement PID kit parts with very low prices. The way I wired the PID leaves it powered on as long as the main power switch is on. This is the setup that I have assembled two days ago. Remove this thermal switch and replace it with the M4 thermocouple, making sure to add thermal compound if necessary. Here are some pictures of the Lego enclosure: https://www.reddit.com/r/espresso/comments/owpfe7/i_made_a_lego_enclosure_for_rex_c100_pid/. Maybe this will help? I printed everything using Inland PLA+ filament. I think this is why using a separate SSR and controller is the only way to go. I also think that you may have less difficulty reaching the thermostat, the 2019+ models have a lot less room to spare inside. Hi Peter. I completed the installation last night and like you it too me about 5 hours But this included cutting a hole in the case stainless steel case to mount the PID controller internally, and that was probably the most time-consuming and difficult thing. 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). This will keep things looking tidy. So I would say yes, you should use a heat sink, but the Gaggia body conveniently provides you with that function. If you really want to avoid the heating element switching while youre pulling a shot, you can blip the steam switch for a few seconds before brewing and that will bring the boiler temperature up a few degrees. I had no problem with my mod other than the stickers on the back of the PID were reversed, so the terminal markings were not correct. Hi Eddie. 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). im trying to find out from shades why shades uses 2. as i have machines auber & shades on both the steam works fine once at at least 300F. The little red collar shows the location. Gaggia classic pro PID question. Gaggia Classic Pro + Shades of Coffee PID Controller Review & First Impressions TMB - The Majestic Bean Channel / Home Barista 7.11K subscribers Subscribe 41K views 2 years ago It's here,. Spent a relaxing boxing day fiddling around with this mod. Hello Chris, Run this wire along the rest of the existing cables and out the back of the Classic, through one of the vent slots. Gaggia Classic - Short Circuit. Note: I fully tested the PID, SSR and thermocouple on the workbench before final installation. Thats an awesome enclosure. The C100 steps down mains voltage to 12v to power the SSR. This resulted in the PID not powering up even though the machine did. Ring crimp connectors that fit the SSR need to be for M3 bolt, here's an example: https://amzn.to/3xcWBCq5. I would re-crimp any connections that look suspicious. r . Thanks again for the write up, Ill be playing around with temperature for the next week! You should now have two mains wires, two 12 volt wires, and the shielded thermocouple wire running out of the back of the Classic. Ive attached an album with my wiring below; Ive literally had an engineer look at it and The Gaggia is 100% at its original state except for the power taps on the neutral at the plug, the live on the brew switch, and the thermocouple to SSR wiring: https://imgur.com/a/rc4xtfz. Hi all, I recently bought a Gaggia Milady secondhand. From what I have read, the PID with the additional steam mode option does not improve things much. Supposed to be faster in detecting temperature changes and more accurate with the measurement. It has been working flawless for the most part, but seen a few issues that havent seen before. 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. I ran the Autotuning function couple of times and I am always getting the following values for P, I and D parameters: P=620 , I=32, D=8. + $55.24 shipping. 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. Pid install on 2014 gaggia classic Is the install the same on the classic as the new classic pro? PWM dimmer for preinfusion I have a different/better single boiler PID machine I will use to pull shots. 171. sign in You could definitely drill out the adapter a bit to get the thermocouple to fit. Im all for freedom of expression and creativity, but not when it might electrocute someone. So you could measure water temp at the group head at 180 deg F with the PID set to 204 deg F. There is some interesting information here: https://coffeeforums.co.uk/topic/53319-what-temp-offset-are-you-using-with-your-pid/. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. The cable between the SSR and boiler heating element needs to be heavier, at least 14 awg, and ideally silicone-coated. I just installed the pid on my Gaggia classic Pro following your instruction guide. Drip Tray Grid Gaggia Classic (pre 2018 model) Straight Lines from Stainless Steel. The OLED and buttons can be secured with your favorite adhesive. (To be certain, the M4 is the correct one). Hi Kraken. There are other resources online as well. That would be easy enough to verify with a multimeter, to see which thermostat is active in steam mode and which one is active in brew mode. The .ino file includes several libraries. 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. As seen on https://www.reddit.com/r/gaggiaclassic/comments/kmm09a/diy_pid_for_my_gaggia_classic/. The Rex c-100 reads in Celsius only, would I be able to substitute this kit with: Does the wiring youve supplied automatically shut the PID unit off when you engage the steam switch? Your email address will not be published. Leave as much of the thermal grease in place as possible. This wont be enough for the boiler heating element. If youre following a recipe that calls for a specific water temperature, then it would be easier to do this with an offset at the PID. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. Thoughts & musings from a product developer and manager. For the sake of piece of mind, I have ordered last night a K type thermocouple in order to replace the RTD P100 and close the open loop in my head about PID type and sensor. Thanks for your time. Free shipping. 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). Kit PLEASE the article factory thermostat-controlled brew mode, and should not very! M4 thermocouple, making sure to add preinfusion the connectors can pinch them on even more,. If its closed it takes longer for temperatures to drop, but not when it might electrocute.! Din: 1/16 ( 48mmX48mmX80mm ) Universal Input: Thermo Resistor: PT100, Cu50 have a lot room. I think Mr Shades PID and thermocouple as a temperature indicator account the temperature offset between the Gaggia the. 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