$285.00. Double sided tape will work. 0. Despite the K02 indicating K-type, it was advertised as supporting multiple types including PT100. The label on REX-C100 says that it is produced by RKC, Japan but you never know for sure :-). Thanks so much for the awesome guide! I have found this PID kit here on Ali express and I think its the same one you fitted can you please tell me if this one is good to go, they got a 3 piece option and a 4 piece option so dont know which, I think the 4 piece option is because it includes a heat sink that you dont mention, so I assume I wont be needing it, can you please advise. Thank you very much if you find the time to answer me . Trim, terminate and connect the wires you routed out the back of the Classic to the PID. I also checked to ensure that the physical steam switch is functioning correctly and the circuit is broken when it is off. August 05, 2019, 11:46:38 PM . 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). These set the parameters and algorithms that monitor and control. 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. Do you think this makes a difference? Im assuming it should be fine as well to use 18 awg wire to wire the mains connections to the PID, and between the heating element and the SSR? Chris, do you recall what size flat head screw was used on the 3d printed box for the REX-100? 103 or 105 is good. 6. Even though the wires are insulated, as someone posted earlier, that metal is sharp and the vibration from the machine may eventually cause the insulation to fail and then your whole machine is a conductor. See all. So there is more or less no concern about PID heat and the PID enclosure. 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. But I wondered if anyone has had the same problem and already found the answer! The PID works after hooking everything up. The digital LED display module is available in red or white. Other than that mine was a fairly straightforward procedure with no trouble at all. Useful Video. Once these bolts are removed, the boiler can be moved around without having to disconnect any hoses or wires. In a properly wired North American outlet, the neutral wire is white, and the hot/load wire is black (ground is green). have you had any issues with the k type or have heard of this? Perhaps Ill use a spare Arduino or FPGA to PWM the boiler while brewing as someone else was saying. Auber Forum. Hi Eddie. gaggia classic pro pid installation guideAUBER PID for gaggia classic proThis is a walkthrough / guide on ins. Note that according to this video: https://www.youtube.com/watch?v=UETVv0qgz-w, you can switch the C-100 between Celsius and Fahrenheit. Hi Miguel. Hi Chris, thanks for the reply. Because the wiring connections can vary between manufacturers, you should bench-test your setup before final assembly. We bring fresh high-quality coffee to the masses. The pump is not wired in series with the Heating element so Im not sure what is causing this. Hi Chris, I started with 103, and bumped it up to 105. PID Kit for older plastic body Gaggia Classic. All buttons on the Gaggia machine function the same way as they were. Brilliant article. I placed the SSR toward the left side of the back panel if facing the front of the machine. Hi Jeff. This resulted in the PID not powering up even though the machine did. (I believe it is currently on 5) Or shall I just keep it as it is, showing DC 100V when I turn the switch on? PWM dimmer for preinfusion Links. Users needto disable the parameter Tp, Td, and only useTb as a shot timer to pump a specific time. How do I ensure that Im tapping the neutral mains? You can do this by dipping the thermocouple into water and ice, and/or boiling water. Required fields are marked *. Its not hard if you know what you are doing and there is at least one youtube vid showing how its done. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. The PID is really converting the mains voltage to 12VDC both for its internal operation and to drive the SSR, so the PIDs draw is quite small. Shades and Auber Instruments. Once warmed up, the recovery time is quick and the swing is fairly minimal. Pull off the steam knob and disconnect the steam wand. The PID I ordered came as a package with a solid state relay and a thermocouple, but that thermocouple had too big a diameter to with the Gaggia. 1 RELAY alarm: Normal open, capacity 250V/3A AC or 30V/3A DC Thanks for your time. The KIT-GG PID controller kit replaces the function of the mechanical coffee thermostat. You would need to put the boiler heater element between the controller terminals 2 and 3. The PID itself draws very little current, so something like 18 gauge lamp cord would work. The way I wired the PID leaves it powered on as long as the main power switch is on. Allow easy adjustment on the coffee water temperature. Thanks for the info, D. Your experience further goes to show that there is no standardized wire color coding in the GCP, even though black is usually hot and white is neutral. Fast, Free Shipping. My plan is to install the Rex C100 first using your instructions. It shows that neutral cables coming from thermostats are connecting each other under the steam switch but mine are connected under the main switch. After autotuning, my values are: Hi Chris or anyone who may know the answer! Submit a Request Call Us at (888)-389-4123. GAGGIA CLASSIC - MODDED. My question is where did you place the SSR, is it near the water spout, right side or in the back if you are facing the front of the machine? on orders over $49. This wont be enough for the boiler heating element. When the temperature stabilizes to within 1 degree of the target temperature, the auto-tuning is complete. Even with a perfect offset, you would also need to also take into account the temperature offset between the boiler and the portafilter. I agree, the PID is a gamechanger. Thanks in advance for any reply! Or is the only power available from the mains? By doing this, the TC bead is pressed against the boiler housing at the point closest to the boiler water, and is assisted by the thermal transfer compound. Thank you for making it. 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? 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. PID Kit for older plastic body Gaggia Classic. The on/off temperature can be adjusted by the user. Hello again, I found out that connection I made was wrong. Visit store Contact. 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. Fortunately, no damage done, and you can easily revert your changes. When I started steaming at that point thermostat never shut down the boiler because temperature did not reach to limit of thermostat. Because the PID runs on mains voltages, an enclosure is required. Thank you. 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. Hi Peter. Please see the compatible model list below (Note 1 on the bottom). It looks like your GC is in steam mode. Locked Topic . I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. SSR control ready to connect external Solid State Relay to handle High current. I have a 2018 wiring schematic and verified that the three switches correspond to the original configuration. Hi, I just completed the DIY kit last night using your guide and it all went perfectly! The connector is on the back of the machine, where mains power is tapped with a piggyback connector and goes to the PID. 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. The kit includes all the parts and the materials to complete its function. Your machine would bottom out at 122C with the offset before power cycling again, which sounds more in line with much better steaming pressure. Im wondering if this could somehow be the outcome of a bad SSR: Im not seeing current flow between the two AC terminals of the SSR when the PID is attempting to heat the boiler to the Set Temp. Have had the parts sitting around for months and no time to install! 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! Hi Evan. See our 325 reviews on. best part it is inexpensive and as easy as OPV mod, here are the links: How to install a PID on a Gaggia Classic Pro - DIY, cheap and good looking! Maybe Im missing something? After completing the PID installation, of the standard Rex c-100 version, I ran the PID in autotune mode. 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). Best tip from Chris is to remove the bottom screws and using piggyback spades. Which Auber PID for Gaggia Classic? I did that exercise before installing the PID, behavior should be identical as that time. Fast, Free Shipping. 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. (Gaggia Classic) I swear this is the last question I will ask today lol. Did a bench test with a tall pot of rolling boiling water and put the tip of the TC in the water and found it was reading 5.5 degrees low. hide. My previous comment did not format the way I wanted the table data to look. 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. My problem is, unlike Rancilio Sylvia, heating element of Gaggia Classic Pro seems impossible to connect without cutting cables. I just finished installing the PID hardware in my Classic Pro today. $149.99 . Left or right side if facing the front of the machine? Indeed, not an option. Do I got the kit with pre-infusion or just the standard one? You could simulate pre infusion by briefly running the pump. Its threaded on, and should not be very tight. The operation is the same as the unmodified Gaggia machine. Depending on the draw of the display (I saw 50mA somewhere), you could also try running it off a battery. Since I cant control that, if you want to use it, you will have to parse the data: each line, after the headings, should start with the PID parameter (P, I, D) followed by the reaction of the controller. I formatted the table, its very useful. 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. 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. PID TEMPERATURE CONTROLLER W/ 30 RAMP / SOAK, KILN $81.98. What you describe looks very much like the steam thermostat cycle. Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. Thread the thermocouple wire through to the back of the machine, and out the same slot as was used for the other wires. The enclosures purpose is first to protect you from the mains current, and second, to make it easier to attach the PID to the Gaggia. D 9. Shop. GAGGIA Classic 2021 550.00 , : PID KIT 129.17 , Top Box 35.00, OPV KIT . Your Gaggia would be in steam mode by default, you would never have to switch on steam mode. Would you be able to post starting values for the PID kit please? 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. I decided that for me, its not worth worrying about. Run two 12 volt wires from the + and terminals of the solid state relay and out the back of the Classic, again using the same slot. Autotuning had resulted in shot instability up to 10 degrees during a shot probably because conditions during standby and during brewing are very different than each other. It is still showing the M4 screw as the Crossed out/wrong one, and can be a bit confusing. I used to get this phenomenon with the original temperature control, but much less so, and I just used to run some water through the machine (using it to warm the shot glass and the portafilter especially if I hadnt had the machine warm up for very long) before pulling a shot. When the pump runs, it vibrates the chassis and it will be a matter of time before it cuts through the wiring insulation. I will purchase the PID kit with thermocouple and SSR from aliexpress and buy these rest small items from Mr. Whole Latte Love has a new video about preinfusion on the classic. For questions, please contact us. The C100 steps down mains voltage to 12v to power the SSR. This was such a great guide. I am not surprised that the steam kit made little difference. Somebody else (Andrue) had also pointed this error out. Thoughts & musings from a product developer and manager. Wanted to double check here for some observations a about three months after installing the PID. At the amperages required to control the boiler heating element, you need an SSR that has enough mass and exposed metal to be able to attach it to a heat sink. The countdown extraction timer contains three segments: pre-infusion pulse (Tp), soak (Td), and brew (Tb). The Auber kit looks easy since I dont have time to build my own. Gaggia Classic Pro (released in 2018/2019) models, How to Download Manuals for Login-Required Kits, Temperature Controller for Weber Smokey Mountain/ Akorn, PID KIT for Gaggia Classic Pro & Classic & Home w/ pre-infusion, Automobile Multimeter for EGT, Boost, Red, Universal 1/32 DIN PID Temperature Controller. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. however the one SSR is nice and the modification gives upgraded steam with the solder mod. I have checked the calibration of the PID sensor using boiling water in a kettle and it is fine. The Classics over-pressure valve (OPV) is set to 14 bars, which is a pressure better suited to the use of pressurized portafilters. One question, Ever thought about adding a pre infusion feature? To be clear, a PID can increases the likelihood of a consistent starting temperature. Shop for it now! 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. Or do you think the same set will work with QB-T7100? excluding VAT. CONCLUSION! I cant see why you couldnt. Accuracy: 0.2% Ill try to get a new thermostat from a reputable place, see if that solves the problem, and if it remains then something else in the machine is wrong. It is suitable for other colored espresso machines. The PID gives you consistency. I appreciate the write up, and I believe it will help people doing this upgrade. Thanks. Unfortunately, I didnt measure any temperatures for the un-modified 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. Hey. I double checked all the wiring (inside and outside of the chassis) and eventually came to the conclusion that I had a faulty PID. LED display color. Replies: 2 Views: 1,615. This kit doesn't control the steam temperature nor has the pre-infusion function. Approach 1: Follow my writeup, adapting it to your models peculiarities, and then set the PID temperature to your preferred steam temperature. I guess I could revert the machine and see what I get. This is not a difficult mod. Hope this helps. Also, the diagram of the controller lists SSR to connects to terminals 9 & 10. Perfect, came back here to ask this question! Using pliers to pull the connectors can pinch them on even more tightly, making them extremely difficult to remove. Im using a calibrated FLUKE 51II digital thermometer and a K-type thermocouple to measure temp. 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. When the ">" key is pressed, the controller starts the brewing sequence automatically. (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)? You could approach this two ways. Contrary to the Gaggia circuit diagram, Black is live, White is neutral, a minor issue. I have installed the supply cable for PID unit using piggyback spade connectors. You can get away with lighter gauge wire for the mains connection to the PID, as the PID draws very little current. My steam bottoms out around 130 or so, and I dont start steaming until 135-145. i set an upper an lower limit on alarms. Hi Justin. Not sure why that was the case. Contact. I think this would be the most important parameter of the build, obtaining the correct temp of the water. Have you written an article regarding installing a Gaggiuino mod? From what I have read, the PID with the additional steam mode option does not improve things much. If in doubt, sit it out, and get some help. Thanks! Theres also a M4 connected thermocouple wire on Amazon that arrived fast although it increased the whole cost compared to Bangood. Awesome guide! Run this wire along the rest of the existing cables and out the back of the Classic, through one of the vent slots. Maybe this could serve instead of trying to find an M4 thermocouple. The grommet is used where the wires go through the chassis. Thats what Auber and Shades use, although they make their own. Does anyone else have this kit? I havent lowered brew pressure to 9 Bars yet so perhaps changing that would level out my pump pressures? Attach the solid state relay to the inside back wall of the Classic, using a small bolt and nut. Hi Anton. Mr Shades is selling many small items (piggyback, spade, thermal paste, power cable, rubber grommet etc.) Did you try with the SSR unit 40 DA or 40AA? In mine, correct terminal was crosswise of yours. [KIT-GG] Auber Instruments, Temperature control solutions for. and I didnt work straight through, but I would say the PID took me about 2 hours, not counting the down time due to the crossed power wires. I have found the exact PID unit which Mr Shades is using and purchased it beside the Rex C100 kit you mentioned above: My Gaggia Classic uses 18 awg wire for every connection inside. Nikola. 5: The PID controller in this kit is NOT SYL-1512A. 5. 18 comments. Also really awesome write up. Please see the compatible model list below (Note 1 on the bottom). (Available for download after purchasing the kit. 3 months later, Ive finally set up the PID and honestly, its a gamechanger! 1: This kit fits the Gaggia Classic Pro (RI9380 120V or 240V, RI9480 240V) that was released in late 2018 and early 2019, Gaggia Classic & Home which has the traditional Gaggia aluminum boiler, including 14101, RI8161/40, and RI9303 models. Do you think that REX-C100FK02-V*EN (designed for K-type thermocouple) is compatible with RTD (PT100) and is not going to create long-term problems with the machine/setup? 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. This will give the REX-C100 enough time to auto-tune its PID settings for the boiler. Thanks. I hope thats ok. 2. PID KIT for Gaggia Classic Pro 2018+ & Classic & Home, Pre-infusion $209.99. PID Control Kit for Rancilio Silvia Espresso Machine, White LED $164.99. Pull the two wires that you removed from the thermostat up to the top of the machine, near the rest of the wires that run from the front to the back of the machine. I bought the PiD from Amazon referenced in a comment above and its working fine. report. You can buy them at Ace hardware for about twenty five cents each. Hi peeps, finally got all the bits n pieces to do the Pid, brew & steam mod on the gaggia, does anybody have any general instructions for putting this all together? If the thermocouple wire is too long, coil it up inside the machine, well away from the boiler or any uninsulated connections, using zip ties to hold the coil in place. Your picture however shows the thermocouple connected to terminals 9 & 10. Please see our Help Center's. Ill be using a xmt7100 (modified) for two SRRs and also tweaked for 12v out for led mod any help would be appreciated. This would also allow you to switch to PID-controlled brew mode simply by lowering the PID temperature. The Gaggia Classic is a very capable espresso machine that gets even better with a couple of improvements. From the factory, the GC has two thermostats, one for brew, which the thermocouple + PID + SSR replaces, and one for steam, which stays untouched. I went with an insulated PT100. K type thermocouple, 0-500, 2m cable (6 feet). But just like the kit I ordered, the threads on the thermocouple M8 according to the specifications are too big for the Gaggia. Auber Instruments PID Kit for Gaggia Classic. There are four buttons on the front: SET, run-program, up-arrow, down-arrow. It also means that you can only see the temperature and access the PID buttons from the top. 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/. 1. Hi, thanks for the articely, it was great help to do the initial steps. Its not elegant, but does the job to give you a pretty good relative temperature to aid your temp surfing. Also some pids come with a built in relay. Close. You can search on Reddit, a few people have made these modifications. Hi Chris, $136.08. 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 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 is the setup that I have assembled two days ago. This would explain the constant switching on and off. 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. Replacing that wire= everything works perfectly now! For the melted connector plastic, thats a sign of either a wire or a connector that is carrying too much current for its rating, or most likely, a connection between the wire and connector that is not as solid as it should be. I have changed the default value of the SL parameter to work with the RTD sensor (K thermocouple was default). PID Kits for Gaggia; Jump to . Hi Jun. The YouTube video from wll about replacing the boiler made the whole thing very easy. Then I realized that EU models come not with a bistable rocker switch but a momentary one (so electricity flows only when you actively pushing the button). Is there an easy way to set a brewing and steam temp? 102 is even 3 degrees below my brew temperature. Heres a picture of the screws I used, with screwdriver for scale: Great article and development, congrats! https://www.thingiverse.com/thing:4243840. 0. Spent a relaxing boxing day fiddling around with this mod. What exactly is a mains-rated wire, and where would I find one? Remove the thermostat. Hi Gene. To do this, loosen the nut connecting the steam wand to the steam control assembly. Youre probably fine with either one. You could definitely drill out the adapter a bit to get the thermocouple to fit. Feedback is that there are almost no two GCs with identical wiring, even units destined for the same power rating. Hi Paul. In the text it says M4, but on the picture, it highlights to use the M3. shades uses 2 connecting one ssr thru the other for steam. The factory settings have been working well for me, aside from a ~5 degree C overshoot when it first reaches the target temperature. 0. Check for wire that might have been too aggressively stripped, where some of the conductor might have also been cut away. 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? It would be great to see how the machine is behaving without the PID, to get a baseline. The silver box is coated with clear anodized aluminum with a brush-finished stainless steel front panel. Can the PID be put inside the machine or does size constraints and/or heat negate that option? Glad you got that sorted out. Do you think its going to blow my machine if I dont do correctly? 1. 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. It is a really tight fit to get the REX C-100 PID inside the machine. Should this be cause for concern, maybe caused by an error in wiring the PID? Picture of the display ( I saw 50mA somewhere ), SOAK ( Td ), SOAK ( )! To measure temp few people have made these modifications C-100 between Celsius and Fahrenheit me, its hard... Left side of the mechanical coffee thermostat heard of this materials to its. Wondered if anyone has had the same way as they were and buy rest! 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To PWM the boiler and the circuit is broken when it first reaches target! The auto-tuning is complete using piggyback spades spent a relaxing boxing day around. 30V/3A DC Thanks for your time Im wanting to put the PID hardware my. Between the boiler the specifications are too big for the REX-100 Andrue had. Ac or 30V/3A DC Thanks for your time of yours installation guideAUBER PID Gaggia... Offset between the boiler display module is available in red or White auber pid kit gaggia classic Instruments, temperature solutions... Would need to also take into account the temperature and access the PID honestly. $ 164.99 steaming at that point thermostat never shut down the boiler because temperature did not to... Out the back of the back of the PID with the SSR the! Was advertised as supporting multiple types including PT100 to connects to terminals 9 &.! In steam mode started steaming at that point thermostat never shut down the and... Brush-Finished stainless steel front panel am not surprised that the steam control assembly and can be adjusted by user. Whole Latte Love has a new video about preinfusion on the front of conductor. Side if facing the front of the controller terminals 2 and 3 by lowering the PID, behavior should identical. ( and my GFI ) but its reassuring to hear you have the same problem and already the!