Great guide. Is there a way to tap into +/- 12Volts inside the GCP? My only concern is the diagramm I downloaded from whole latte love shows different connections then what I have seen in my unit If you are in the U.S. then mains voltage is 120V, which will not kill you (unless you have a pacemaker or are standing in a bathtub) but can give you a decent shock. Regardless of which thermocouple you choose to use, you will also need to factor in an offset no matter what thermocouple you use, and this is really based on your tastes. Ive been hearing the solenoid valve click several times while on steam mode as well, and the group head releasing steam on occasions, which also make me worry in terms of the wiring, or the parts just need replacement. It doesnt matter which mains terminal is connected to hot and which one is connected to neutral. I was able to create one using Lego bricks sitting around in the basement. You should see a strange number when the PID first powers on, then after about 3-5 seconds it should switch to the temperature reading from the thermocouple. . Same with the adapter screw. Heat the shrink tubing. Main Output: SSR: Open circuit: 4V, Closed Circuit: 24V40mA DC On thing I realised is that Mr Shades does not allow purchasing the parts seperately unless you already purchased the kit as a whole. This product was added to our catalog on Tuesday 26 June, 2007. I actually installed mine and then saw your thread, which is awesome to see other people using the same PID. Thanks Jimmy. If you purchased the kit from our website, you can download the manual zip file from our website by one of the following methods: Note: Shades. Set the cover and screws aside. 102 is even 3 degrees below my brew temperature. I know what I will be trying tomorrow , Hi, For RI9403, please check KIT-GGX-EU. So I would say yes, you should use a heat sink, but the Gaggia body conveniently provides you with that function. Is this just a matter of adjusting the offset of the PID? I can do a more detailed writeup of what Ive done if anyone feels like helping me find out whats not working properly! The Gaggia Classic is a very capable espresso machine that gets even better with a couple of improvements. This process involves working with potentially lethal mains-level voltages. Hi Jun, and thanks for the update. I think one of either is the one which Shades of Coffee is using. Variants Coffee Only + Installation - No Coffee Only + Installation - Yes Coffee, Steam & Pre-infusion + Installation - No Coffee, Steam & Pre-infusion + Installation - Yes Quantity Free Shipping Parts The installation is completely reversible if you ever want to sell the machine or send it to service. It will depend on the beans you use, and your palate. This PID-SSR combination does away with the 12v connection, and uses three wires for the mains power and SSR, with one wire shared between mains and the SSR output. Replacing that wire= everything works perfectly now! Chris thank you so much. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. Spent a relaxing boxing day fiddling around with this mod. Apologies for the long questions, thanks in advance! 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. I am not surprised, Mr Shades runs an honest business, and those parts are being offered at low prices. It is still showing the M4 screw as the Crossed out/wrong one, and can be a bit confusing. PID KIT for Gaggia Classic Pro 2018+ & Classic & Home, Pre-infusion $209.99. One thing I would really recommend when anyone installs a PID system into the Gaggia Classic is to install a rubber grommet where the cables exit the machine. Thoughts & musings from a product developer and manager. This feature allows you to operate the brew pump manually, with the timer as a reference. Ill verify the cable, its one of the cables that came with the machine, so it could likely be the strands have slowly burned with time and just needs cutting and re-crimping, as you mention. Heres a picture of the screws I used, with screwdriver for scale: Great article and development, congrats! Thanks! report. Thread in the M4 thermocouple adapter in the place of the thermostat. I bought the PiD from Amazon referenced in a comment above and its working fine. Most guides recommend connecting the SSR to the Gaggias (metal) body with some thermal paste, and this mount then serves as a heat sink. () . Does anybody have a Shades of Coffee pdf for the brew and steam setup on the gaggia classic, mines a 1998 classic coffee model, it would be much appreciated. 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). 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. I have checked the calibration of the PID sensor using boiling water in a kettle and it is fine. Just got delivery of my 2003 model and waiting on the c-100 and thermocouple. Between SSR and PID I was planning on using 22 awg wire given its a lower power requirement. There are other resources online as well. Im all for freedom of expression and creativity, but not when it might electrocute someone. However I dont know if my unit is properly calibrated and/or has a proper offset. Thank you very much if you find the time to answer me . Your email address will not be published. Thanks a lot for the answer. You should see no or very low voltage between neutral and ground, and you should see household voltage between the hot/load and ground. Please see our Help Center's. Hi David. BREWING UNIT RE-SETTING AND CLEANING. Also, the PID generates almost no heat, because the work is done by the SSR, and this is heat-sinked to the Gaggia. 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. Hi Ray. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. You can get away with lighter gauge wire for the mains connection to the PID, as the PID draws very little current. Thanks in advance, this was a huge help! Like NEW Gaggia Classic Espresso w/ Grinder and Base - - 6758821731. 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. Do you have any idea how to do? Again, as above, run this cable out the back, and leave it unterminated and longer than needed. Did you make any changes to the setting of the PID? You said here that the to get an M3 thread for the boiler. The two mains wires connect to terminals 1 and 2 (starting counter-clockwise from top-left). Auber Forum PID Kits for Coffee Machines PID Kits for Gaggia; Poll Moved Topic. 2: The add-on item option "extra wire defeating auto-off timer" is for the Gaggia Classic Pro European model (RI9480, 240V), which has the auto-turn-off timer feature. Always work with the Classic unplugged. I do not suggest autotuning for this device because there is a huge improvement in temperature stability if you do the tuning by yourself. Shop for it now! Hi Murat. Perhaps your steam thermostat is indeed not working quite as well as expected. Hi Chris or anyone who may know the answer! Its pretty straightforward. Hi Kez. (for a reasonable fee of course). This kit has a pre-infusion timer. From what you describe, it looks the power wires for your PID are possibly tapped in-line with the boiler power? Hi Brandon. By the way there are three options as 12V, 24V and 85-250V DC. I stumbled onto this before I actually had my Gaggia in hand and went about ordering all the parts. I have to turn the set point on the PID down to about 85C to stop it boiling and getting steam and a great deal of sputter out of the portafilter. So far the temp range Ive seen when the heater cycles on/off (after ~30 mins of warming up) is ~90C to ~97C. 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. Hi Brian. 6. The thermostat is a replacement, the original one burned around three years ago. The C100 is probably made by dozens of different manufacturers. Do I got the kit with pre-infusion or just the standard one? I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. This does mean that you can only fill the water tank by pulling it out. I love the Lego enclosure idea. Is P=620 maybe an overkill, as I havent seen such a big value at other places? Add to cart Buy Now. Thanks, I see what you mean. I am not sure exactly what you did when you moved the wires terminating on the bottom of the power switch. That being said, the original brew thermostat is supposed to be 107C, so could perhaps reach even higher temperatures? Run-program does a 1s pre-infuse followed by about 1s pause, then 30s pump on. After the kit is installed, the standby brew watertemperaturecan be controlled to within 1 (F or C) accuracy. I have a 2012 and am wondering if you had success and if the wires are as described in the article. Submit. Is it necessary to use a heat sink with the SSR installation? The PID gives you consistency. 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). Likewise, you can use 22 awg for the connection between the PID and the SSR. (PID Temperature Controller Meter Indicator, Jaybva Digital Universal Thermostat C and Fahrenhe F Display SSR and Alarm Output 40A Solid State Relay and Thermocouple Probe Heat Sink Included)? Thanks. Pull the cover assembly off by pulling upwards, and disconnect the ground cables. When the PID signals the SSR, as indicated by the brew ready light and the output led on the PID, the pressure coming out of the pump decreases, and then increases again after the PID out to the SSR turns off. Disconnect the two connectors from the brew thermostat, which is located on the bottom left-hand side of the boiler as you face the machine. 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? Im running into problems and I dont know if my REX-C100s starting values are the problem or if its my deviation with the wiring: Regardless of the temperature that i set on my PID, toggling the Gaggia on causes it to climb to 150-160C and then slowly decline to 118-125C, at which time it will heat up again. I print with PLA filament, which has a much lower melting temperature than the plastic that Lego uses. Which Auber PID for Gaggia Classic? Does this pid control both the group head water and steam wand? And this is the thermometer out the back. Monday - Friday: 10am - 4:30pm. It has a blue led not red like pictured.The kit works for 115 VAC and 240VAC. Thanks for the great guide. In your paragraph for connecting the thermocouple, you write thermocouple connects to terminals 6 and 7. It is a really tight fit to get the REX C-100 PID inside the machine. Thread the thermocouple wire through to the back of the machine, and out the same slot as was used for the other wires. Glad this writeup helped. Hey Chris, Please contact us if any questions. Does anyone else have this kit? Was hoping to actually just install one of these: https://www.ebay.com.au/itm/264849127538 P 53.1 brew thermostate. 19K Items sold. Gaggia Accademia. 100% Positive Feedback. All of this really means that you should balance whatever temperature you end up reading against what youre tasting, because thats what matters in the end. Fast, Free Shipping. Shall I change the P,I and D parameters manually and what is your suggestion to start with? If you go for a PID, you need to use a thermocouple. 100% Upvoted. This resulted in the PID not powering up even though the machine did. if a brew alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and simple. Note that according to this video: https://www.youtube.com/watch?v=UETVv0qgz-w, you can switch the C-100 between Celsius and Fahrenheit. Espresso Machines; Parts & Accessories; This is a PID controller for the Gaggia Classic by Auber Instruments.This PID controls water and steam temperature. The kit includes all the parts and the materials to complete its function. Its stimulated a lot of interesting discussion! Shop. Hello again, I found out that connection I made was wrong. In the text it says M4, but on the picture, it highlights to use the M3. Some people have done this by replacing the water filler funnel and 3D printing a replacement cover. Auber Instruments PID Kit for Gaggia Classic. The PID itself draws very little current, so something like 18 gauge lamp cord would work. Auto-tuning PID cooling/heating control 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. Maybe this could serve instead of trying to find an M4 thermocouple. Instruction Manual: The instruction manual & installation documents areonly available for download for customers who already purchased the kit. it works better than poor mans preinfusion described by wholelatte love & Lance in the youtube. Hey. Leave as much of the thermal grease in place as possible. Brilliant article. 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. When I finished, the whole C100 display just got current only for a sec, then it went out. PWM dimmer for preinfusion Ive set the Sn value to pt for the PT100. Did you have to alter your thermocouple at all to get it to fit into the adapter, like removing the cap on the end or something? Auber Instruments PID Kit for Gaggia Classic See More by Auber Instruments 4.8 6 Reviews CA$285.00 Earn 855 Reward Points worth $8.55! No gross taste. 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. Thanks in advance! Inside the GC, all bets are off as to wire colors, aside from green for ground, and even then, I wouldnt assume anything. What you describe is pretty normal, except that I am a bit surprised that your steam drops temperature down to 102. An extended de-bugging solved the problem: the PID 12v circuit output was reversed, so changing + to solved the problem. 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 heard from some that the PT100 with the M4 is more accurate. 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. Hi Joe. To be clear, a PID can increases the likelihood of a consistent starting temperature. Which Auber PID for Gaggia Classic? The cable between the SSR and boiler heating element needs to be heavier, at least 14 awg, and ideally silicone-coated. Ive noticed that the PIDs output1 LED isnt illuminated after it climbs above my set temperature (103) but the boiler is getting heated up regardless. EN. Looking forward getting your thoughts and ideas It shows that neutral cables coming from thermostats are connecting each other under the steam switch but mine are connected under the main switch. I think Mr Shades has managed to do this using only cables because I dont think he instructs anything to void the warranty. The way I wired the PID leaves it powered on as long as the main power switch is on. Contrary to the Gaggia circuit diagram, Black is live, White is neutral, a minor issue. Brass is soft and easy to drill, and all the adapter needs to do is provide a connection between the thermocouple and the boiler, so there would be no hard in doing this. Well I ordered the wrong thread. You could simulate pre infusion by briefly running the pump. Feel free to hang out, learn a bit, meditate, ride a bike, or perhaps it's just time to move on. This wont be enough for the boiler heating element. Its actually reading too high.. 98 deg against 92deg measured by both my oven thermometers. Keep the thermostat, in case you want to return the Classic back to factory condition. SKU: N/A Category: Accessories,Espresso Machines Tags: -GG-CLASSIC-PCB, $100-$300, $200-$300, 12annivexcluded, 13tierexcl, 300-600, Accessories, auber-instruments, gaggia, obalist, SA-GG-CLASSIC-P, SA-GG-CLASSIC-PCR, . See our 325 reviews on. Glad you got that sorted out. Ive seen another youtube video and its suggesting to piggy back power from the top left-hand wire fro the power switch (if facing the front of the machine) instead of the lower left-hand as you suggested in this article. Ive been reading up many different values for the P, I and D, and im not sure where to start. Im on [emailprotected] Please be sensible and install a grommet anyway! Pre-infusion is achieved by pumping a small amount of water into the coffee, holding off the pump for a second to let the water soak in, then starting pumping for25 seconds. Steam will still be controlled by the steam thermostat. 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. The LED on the SSR is functioning but no current can be seen. The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. Should I get the Auber Instruments PID kit w/ pre-infusion or w/ steam control? Hi Jeff. For the European version of Gaggia Classic 2015 (RI9403, 240V) please checkKIT-GGX-EU. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. Hi Chris, I am gathering / ordering the parts specified and was surprised to find out the price for 3d printing price spiked. Adding pre-infusion would require either a different and significantly more sophisticated PID, or integration with something like a microcontroller. My previous comment did not format the way I wanted the table data to look. different wiring though. Despite the K02 indicating K-type, it was advertised as supporting multiple types including PT100. Because the wiring connections can vary between manufacturers, you should bench-test your setup before final assembly. Posted by 4 years ago. Possibly not the optimal position but was really easy to install and I knew Id only be getting a relative indicative temperature anyway. Did you try it? The PID, RTD sensor and SSR (20 Amps) are installed on Gaggia Classic Pro 2018+. I 37 SSR control ready to connect external Solid State Relay to handle High current. To set the target temperature, press the Set button on the front of the panel. I am not surprised that the steam kit made little difference. Hi Chris, I appreciate your tutorials on the PID install. I would not try anything without checking first. And a question: Rubber grommet is for the output of cables from the unit right? As for your PID always remaining on, it looks like you wired it to the unswitched mains, instead of the switched power. See all. 18 comments. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. Hi Brian. Based on several comments, the wiring varies between units, even though they are the same model. You would probably blow the fuse in this controller/SSR within seconds. Whole Latte Love has a new video about preinfusion on the classic. Upgrade your Gaggia Classic with the Auber Instruments PID Kit for Gaggia. It is the perfect place. Hi Jun, glad you found this helpful. Do not undertake this procedure if you are not comfortable or uncertain. I was like WTF. The rich body and complex flavor profile of a well-made shot brings the beans to life with a depth that other brewing methods fail to achieve. Hi Gene. Hi Tom. Slip some heat shrink tubing over the thermocouple, and ideally dip the thermocouple tip in some thermal grease, then insert the thermocouple into the adapter. All buttons on the Gaggia machine function the same way as they were. Hi Nitzan. Loosen the four bolts that hold down the boiler assembly. 3. 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. Either way, you are looking at a lot more complexity and cost. Required fields are marked *. (Available for download after purchasing the kit. (Optional) Add-on Item. This PID controller kit has all the features of our other listing titled "PID temperature control kit for PID Retrofit KIT for Gaggia Classic & Home, KIT-GG", with the addition of pre-infusion and steam temperature control. Hi Miguel. Just use a multimeter to find the switched mains, and you should be able to follow the thermostat wires. I found that moving the boiler up and to the side allowed me to get to the thermostat from the bottom really easily vs. the top. I did that exercise before installing the PID, behavior should be identical as that time. I agree the ability to know exactly where the steam cycle is at is a nice convenience. 103 or 105 is good. Hi, thanks for the articely, it was great help to do the initial steps. Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. Thanks so much for the awesome guide! Realized with your last comment you dont have the offset in place, my bad. have you had any issues with the k type or have heard of this? Even if that is the case, i dont have a clue as to why i would be in steam mode, since i didnt touch the steam mode button or its wires, i have already reverted my swap of the power switches wires (just from up to down on the same switch so that shouldnt have impacted anything) and ive validated that the rollback was correct with a multimeter. Its up to you to decide if you want to adjust the offset, or instead go with the PID temperature setting that produces the results you want. I have only been drinking milk drinks and americanos because the shots I was pulling were always overly bitter, sour, or both, regardless of grind and quantity. 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