Circuit diagram of Gaggia Classic with the KIT-GG connection. 40A SSR Solid state relay included I guess I could revert the machine and see what I get. With a SV of 103C (not offset), during initial overshoot the heater would sometimes be one when it was at 104-105C with the temperature rising as high as 108. I can do a more detailed writeup of what Ive done if anyone feels like helping me find out whats not working properly! Hello Chris, Auber Instruments PID Kit for Gaggia Classic. 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. If you have never done this before, know that you are working with live household current, and this can kill you. Basically, instead of running the pump for a few seconds and then shutting it off (which dumps your pressure courtesy of the solenoid valve) you open the steam valve about 1/4 to half way, hit the brew switch and then slowly close the steam valve (about 5 seconds or so). Did you try with the SSR unit 40 DA or 40AA? Let me know your thoughts !!! 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. Thanks. No extra button is needed to press for frothing. http://facebook.com/HKCoffeeHome EspressoGaggia Classic !Gaggia Classic can give a good espresso shot . Started by Rocky47. Hi, I just completed the DIY kit last night using your guide and it all went perfectly! I actually ended up getting the one you recommended. Thanks for the PID info. 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. Once these bolts are removed, the boiler can be moved around without having to disconnect any hoses or wires. It looks like your GC is in steam mode. I am not surprised, Mr Shades runs an honest business, and those parts are being offered at low prices. This kit has a pre-infusion timer. Maybe then try QB-T7100 afterwards and if it works I will buy the external case which is sold seperately (QB looks nicer with small size and external case). Locked Topic . If you want to defeat that auto-power-off feature, please add this piece of wire to your order. I havent lowered brew pressure to 9 Bars yet so perhaps changing that would level out my pump pressures? Should this be cause for concern, maybe caused by an error in wiring the PID? Hi Joe. The Rex c-100 reads in Celsius only, would I be able to substitute this kit with: The kit looks a lot like the one I ordered. best part it is inexpensive and as easy as OPV mod, here are the links: I just installed the pid on my Gaggia classic Pro following your instruction guide. On thing I realised is that Mr Shades does not allow purchasing the parts seperately unless you already purchased the kit as a whole. Have you gone through the (three) menus on the pid , using the instructions of your pid. The biggest problem was the fact that the brew water control did not work: the SSR was never switched on by the thermocouple output. The factory settings have been working well for me, aside from a ~5 degree C overshoot when it first reaches the target temperature. The SSR is only rated for 5 amps. Maybe Im missing something? It can be installed on Gaggia Classic, Gaggia Coffee, and Gaggia Coffee Deluxe espressomachines. PID Modification by Auber Instruments' Customer. 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? This PID controller kit is designed to retrofit into the European Gaggia Classic espresso machines made after 2015 (model# RI9403). Heat the shrink tubing. Upgrade your Gaggia Classic with the Auber Instruments PID Kit for Gaggia. I have read reports of measurements of up to 8 degrees C lower at the portafilter. Was hoping to actually just install one of these: https://www.ebay.com.au/itm/264849127538 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. Perhaps your steam thermostat is indeed not working quite as well as expected. https://wiki.wholelattelove.com/File:GAGGIA_CLASSIC_2019_Wiring_Schematic.pdf I was like WTF. I dont want to void my warranty. Nikola. Mains is house current. I also checked to ensure that the physical steam switch is functioning correctly and the circuit is broken when it is off. 100% Upvoted. $326.00. Silver case Black case TopBox with logo TopBox with gauge hole. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. Wanted to double check here for some observations a about three months after installing the PID. What you describe looks very much like the steam thermostat cycle. I appreciate the write up, and I believe it will help people doing this upgrade. Hi Rusty. Their kit is convenient, and is the way to go if someone doesnt feel ready to take on a 100% DIY project. The solution is PID control via means of an industrial temperature controller; this is a common modification amongst the Gaggia and Rancillio community. Please see our Help Center's. Thanks in advance. Required fields are marked *. However I dont know if my unit is properly calibrated and/or has a proper offset. different wiring though. But I wondered if anyone has had the same problem and already found the answer! Please see the compatible model list below (Note 1 on the bottom). This works well with a PID for light & medium roasts. Does anyone else have this kit? 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. 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: $149.99 . The C-100 will fit in vertically, with the screen facing up. I am only using the Rex temporarily while working on a project with a Raspberry Pi (and the cost of the Rex was only a couple dollars when ordering the SSR), otherwise I would reprint the entire enclosure with the hooks built in. Individually PID control parameters 6 Reviews (6) $375.00. It did take a few rounds to get it right, but it was successfully installed and functioning for a few months. PID Kit for older plastic body Gaggia Classic. Thanks. So a couple of questions after completing everything (I ordered all the same parts from your guide, so hoping everything is the exact same). Yes it is normal for the brew light to blink like this after you install a PID. Ill dismantle on a cleaning weekend and test the thermocouple again. Its not hard if you know what you are doing and there is at least one youtube vid showing how its done. You could definitely drill out the adapter a bit to get the thermocouple to fit. We have an earth leakage wiring system in our house, but in many countries, these are not standard. 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). Thanks! 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. 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. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. That is confusing. Im thinking Id like to start with just a temperature indicator, to assist with the surfing. Despite the K02 indicating K-type, it was advertised as supporting multiple types including PT100. Thanks. I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. Hello Chris, I found that carefully pushing the boiler up gives better access to the thermostat, either from above, or by reaching up from below. A copy of the digital manuals, which includes a detailed installation guide, an operation manual, and supplementary documents. Is this just a matter of adjusting the offset of the PID? Chris, i read some comments here about steam. I am thinking to upgrade my classic pro more compact version with below controller. Can anyone advise on the PT100 sensor setup? If you need to replace the PID controller, please contact us. This product was added to our catalog on Friday 12 August, 2011. It seems the wiring varies even within model years, and between model regions. The digital LED display module is available in red or white. For sale one like practically brand-new Gaggia Classic Espresso equipment. Ill be using a xmt7100 (modified) for two SRRs and also tweaked for 12v out for led mod any help would be appreciated. This guide explains this well, and also explains what to do if your home wiring is not correct: https://diy.stackexchange.com/questions/195229/in-a-light-switch-how-can-i-tell-if-the-black-wire-is-really-hot-and-the-white. Does this happen even if you let the machine sit in steam mode and dont open the steam valve?. New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display. (Gaggia Classic) I swear this is the last question I will ask today lol. Hi Eddie. If you used piggyback connectors, it should be a quick job to move the right one over to the correct switch terminal. Bliss. For RI9403, please check KIT-GGX-EU. The required parts are a PID controller, a solid state relay (SSR) preferably rated for 40 amps, a K-type thermocouple, a thermocouple adapter to connect the thermocouple to the Gaggia boiler, wire rated for mains voltages as well as some smaller gauge 12 volt wire, male and female quick disconnect connectors, spade connectors, and two piggyback spade connectors. 2. 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. I started with 103, and bumped it up to 105. Its no secret that the chassis of the Classic has extremely sharp edges. Mounting Dimension: DIN: 1/16 (48mmX48mmX80mm) Thanks so much for the awesome guide! P, I, d, controlling period, digital filter coefficient, and more (for control theory experts only) Its not a sensor, it doesnt send any information, it just switches on an off, at setpoints that you cant adjust. This approach would give you a somewhat unique machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam mode. i heard from some that the PT100 with the M4 is more accurate. Hi Jun, and thanks for the update. The steam mode drops to 102 before the power cycle kicks back in, with the valve open or closed. 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. While the steam switch is engaged, the PID serves to provide a temperature reading of the boiler, which is great, because you can use that temperature reading to time when to start steaming for maximum steam performance. Please see the compatible model list below (Note 1 on the bottom). Hi Andrue. I plan on doing the same thing as you did, bought both PID simply because the QB-T7100 is slimmer the case is readily accessible from mr. shades, compared to the higher cost of 3d printing a case for the REX. I want to get a PID for my GC. Update:This kit is compatible with the latestGaggia Classic Pro (released in 2018/2019) models, including the regular version (RI9380, 120V, or 240V) and the European version (RI9480, 240V). I opted to follow my connections according to your picture, rather than that text. View Product Information. The silver box is coated with clear anodized aluminum with a brush-finished stainless steel front panel. Hi Gene. Its actually reading too high.. 98 deg against 92deg measured by both my oven thermometers. KIT-GG Installation Guide Version 1.3 Auber Instruments, 730 Culworth Manor, Alpharetta, GA 30022 e-mail: info@auberins.com Tel: 770-569-8420 www.auberins.com . There is definitely something weird going on. report. Unfortunately, no, you cant use the factory sensor. One question, Ever thought about adding a pre infusion feature? I like the quality of the shots, and temperature consistency is more important to me than pressure consistency. 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. For the Classic Pro, this requires either shortening the spring in the OPV valve through trial and error, or ordering a spring kit from Mr. I actually installed mine and then saw your thread, which is awesome to see other people using the same PID. 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. 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). I have re-read the specifications for this controller. The default target temperature on the PID will almost certainly not be correct. Your Gaggia would be in steam mode by default, you would never have to switch on steam mode. You would probably blow the fuse in this controller/SSR within seconds. The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. Power input. 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. The best way to find is: 1-Connect one cable to the mains connector at the back where it is showing N sign meaning Neutral. These connectors are hard to reach, and are on very tight. I would not try anything without checking first. Hi Chris, 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. Supposed to be faster in detecting temperature changes and more accurate with the measurement. Guys, there is mains voltage here. Whole Latte Love has a new video about preinfusion on the classic. Is there an easy way to set a brewing and steam temp? I then thought what if? and decided to change the mains wires to the opposite terminals. There are four buttons on the front: SET, run-program, up-arrow, down-arrow. Stay connected. I would be glad if you have any recommendations. Double sided tape will work. 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. You said here that the to get an M3 thread for the boiler. If in doubt, sit it out, and get some help. How to install a pid on the gaggia classic pro. Consult the instructions that came with your PID to make sure. The PID gives you consistency. 4.8. K type thermocouple, 0-500, 2m cable (6 feet). European model Gaggia Classic 2015 (RI9403, 240V) is NOT compatible. You should see no or very low voltage between neutral and ground, and you should see household voltage between the hot/load and ground. Top Rated Seller Auber Instruments is one of eBay's most reputable sellers. 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. Likewise, you can use 22 awg for the connection between the PID and the SSR. It has a blue led not red like pictured.The kit works for 115 VAC and 240VAC. What is your coffee bean dark or light? (Available for download after purchasing the kit. Thanks. And anything is going to be a huge improvement over the thermostat that the PID replaces. The sensor has three wires: 1 x red and 2 x white. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. Hi Jun, glad you found this helpful. If you go for a PID, you need to use a thermocouple. Wire colors and positions seem to vary. The REX-C100 should work out of the box, set for heating mode, with alarms disabled, and units set to Celsius. 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