That is confusing. Its no secret that the chassis of the Classic has extremely sharp edges. Do the same with the other connector wire. Allow easy adjustment on the coffee water temperature. Your Gaggia would be in steam mode by default, you would never have to switch on steam mode. Espresso Machines; Parts & Accessories; So I would say yes, you should use a heat sink, but the Gaggia body conveniently provides you with that function. The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. The pump can be stopped at any time by pressing the ">" key a second time. The only cable arrangement I had to change after installing the PID was switching those cables in the back, the one on the top I had to put in the bottom, and the one on the bottom in the top, otherwise the PID would stay on when the machine was off, and off when the machine was on. As in, temperature was set, changed, maintained for pulling shots, as well as steam. 19K Items sold. 6 Reviews (6) $375.00. Hi Eddie. I think this is why using a separate SSR and controller is the only way to go. If you had to recommend a single display PID, which one would you steer me to? Hello Chris, Please see the compatible model list below (Note 1 on the bottom). Thank you for making it. I have a similar model, C100-Fk02-V*AN. Hi Murat. I think Mr Shades has managed to do this using only cables because I dont think he instructs anything to void the warranty. The biggest problem was the fact that the brew water control did not work: the SSR was never switched on by the thermocouple output. Hi Jeff. 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. 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? Was hoping to actually just install one of these: https://www.ebay.com.au/itm/264849127538 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. Sure enough, it powered up. You need at least 20 amps. P, I, d, controlling period, digital filter coefficient, and more (for control theory experts only) 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. LED display color. Then the PID will only switch on when the boiler temperature drops below the target temperature. This wont be enough for the boiler heating element. You can get away with lighter gauge wire for the mains connection to the PID, as the PID draws very little current. You could simulate pre infusion by briefly running the pump. This process involves working with potentially lethal mains-level voltages. But nothing prevents you from using the PID and thermocouple as a temperature indicator. $136.08. GRAN GAGGIA PRIMING. My only concern is that Mr Shades has two types of SSR units 40AA and 40DA. Hi Nish. Hello, thanks for the nice and valuable text. . I purchased an AC to AC SSR (SSR 40AA) which will stabilise steaming temperatures in much smaller margins than the original steam thermostat. 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. Mr Shades is selling many small items (piggyback, spade, thermal paste, power cable, rubber grommet etc.) Please see the compatible model list below (Note 1 on the bottom). Each segmentcan be set by the user with 0.1 seconds resolution. 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. Update:This kit is compatible with the latestGaggia Classic Pro (released in 2018/2019) models, including the regular model (RI9380, 120V or 240V) and the European model(RI9480, 240V). The KIT-GG is a retrofitting kit designed to control the coffee water temperatureon an espresso machine. The KIT-GG PID controller kit replaces the function of the mechanical coffee thermostat. Hi Andrue. You can use the sensor reading on the PID display to know when to start steaming. 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. When the pump runs, it vibrates the chassis and it will be a matter of time before it cuts through the wiring insulation. Awesome PID installation guide! A Gaggia Classic Pro installed with KIT-GGP. 3: For owners of the Gaggia Classic ProRI9380 240Vversion, please check the installation guide "KIT-GG_Classic Pro US 120V_Installation". It should be the power/mains line that comes out of the main power switch, but before the boiler. 0. I know what I will be trying tomorrow , Hi, Read More. Once warmed up, the recovery time is quick and the swing is fairly minimal. Users can also bypass the timer to use the switch on the machine for manually controlling the brewing process. Thank you Chris for the awesome write up. Thanks. 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 Thanks. Thx, 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. Spent a relaxing boxing day fiddling around with this mod. The LED on the SSR is functioning but no current can be seen. Unfortunately, no, you cant use the factory sensor. Thanks. If in doubt, sit it out, and get some help. Double check that this is the neutral! Hi Joe. Its one more thing to plug in, but the upside is that it would be electrically isolated from the Gaggia. different wiring though. Always work with the Classic unplugged. Thanks! GAGGIA CLASSIC - MODDED. Contact. Left or right side if facing the front of the machine? The image I used is wrong and confusing, and I have now updated it. Pull the cover assembly off by pulling upwards, and disconnect the ground cables. I have few questions for you about this setup. I placed the SSR toward the left side of the back panel if facing the front of the machine. Be careful, the edges of the hole in the chassis are very sharp. 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. The documentation showed the default settings as P:30 I:240 D:60, but after tuning they were P:37 I:50 D:12. () . Hi Jun. It doesnt matter which mains terminal is connected to hot and which one is connected to neutral. 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. I dont want to void my warranty. AUBER. Visit store Contact. When I turn off, it goes back to zero. Hi Chris, i noticed you used the K type thermocouple with the M4. Most thermocouple calibration articles that I have read use ice water to calibrate to zero degrees C because the boiling point of water varies with altitude. 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. Not sure why that was the case. Thanks for the great guide. Have you noticed any problem using REX-C100FK02 and RTD PT100? Depending on the enclosure, you may need to insert the PID into the housing first. 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 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. Feel free to hang out, learn a bit, meditate, ride a bike, or perhaps it's just time to move on. 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. A couple of zip ties come in handy here. [KIT-GG] Auber Instruments, Temperature control solutions for. You should be done! Obviously the actual water temp will be different, but I can use this range to try and get a consistent temp when I pull a shot. Try powering the PID directly from mains power, with just the thermocouple connected (disconnect the SSR). My plan is to install the Rex C100 first using your instructions. The C-100 will fit in vertically, with the screen facing up. 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. Submit a Request Call Us at (888)-389-4123. You can verify the SSR by disconnecting its AC terminals and checking that it is indeed turning on and off. Maybe this could serve instead of trying to find an M4 thermocouple. . Do you think this makes difference? This gives the machine a whole new level of consistency, and gives you fine control over brew temperature. As for steam, the guide I wrote leaves the steam function completely untouched. Hi Chris. This is an extra piece of wire for the European model of Gaggia Classic Pro (RI9480, 230V) with an energy-saving module, which turns off the machine after about 20 min if not used). If you have never done this before, know that you are working with live household current, and this can kill you. If the wiring was done correctly, the PID should power up when the Classic is turned on. gaggia classic pro pid installation guideAUBER PID for gaggia classic proThis is a walkthrough / guide on ins. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. And this is the thermometer out the back. Thanks for the PID info. There is definitely a falloff from the temperature reported by the thermocouple at the boiler and what you will measure at the group head. 6. Great guide. 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. I am flattered, but will have to pass. If you have a regular version that doesn't have the auto-turn-off feature, (RI9380, 120Vor 240V), you DO NOT need this piece of wire. I am beginning to suspect that Gaggia created as many combinations of wiring configurations and colors as they made machines. 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. Remove the thermostat. I dont own a multimeter. Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. Hi, I just completed the DIY kit last night using your guide and it all went perfectly! Hi Rusty. Ive set the Sn value to pt for the PT100. New to the forums, but I've been experimenting with espresso at home over the last year when my brother gifted me a used Gaggia Classic with an Auber PID. The same can be done with the REX C100 but you need one with all 8 screw terminals (the second SSR for steam uses the alarm function which needs terminals #6 and #7) and these two are missing on some REXs. The C100 is probably made by dozens of different manufacturers. The pre-infusion timer can also be used as a countdown shot timer. PID KIT for Gaggia Classic Pro 2018+ & Classic & Home, Pre-infusion. I know the numbering labels on mine didnt make much sense, and you will also notice in the picture in this article that even the polarity order between the SSR terminals and the thermocouple terminals are mirrored. Supposed to be faster in detecting temperature changes and more accurate with the measurement. Hi Chris, thanks for the reply. PWM dimmer for preinfusion The label on REX-C100 says that it is produced by RKC, Japan but you never know for sure :-). Hello. Im sorry about that, Eric. Popular categories from this store. This is probably the most difficult part of the installation. It was impossible to see without getting down into the wire harness. Select Your Mounting option. I print with PLA filament, which has a much lower melting temperature than the plastic that Lego uses. Did I miss any other kits? The ability to make good espresso is one of the most coveted skills in the coffee world. Users needto disable the parameter Tp, Td, and only useTb as a shot timer to pump a specific time. I decided that for me, its not worth worrying about. I can do a more detailed writeup of what Ive done if anyone feels like helping me find out whats not working properly! Thank you. 18 comments. You can mod the XMT7100 yourself but it requires soldering on the PCB, basically removing the onboard relay and then jumpering the empty terminals. One bit of note and a request. The taste of a real Italian espresso everyday! 40A SSR Solid state relay included 3. Display: Dual display for Fahrenheit(F) and Celsius(C) Thread in the M4 thermocouple adapter in the place of the thermostat. Spent some time playing with temps and pulling a lot of shots to dial it in and am very happy with the results. My Gaggia Classic uses 18 awg wire for every connection inside. Consult the instructions that came with your PID to make sure. It would be great to see how the machine is behaving without the PID, to get a baseline. The solution is PID control via means of an industrial temperature controller; this is a common modification amongst the Gaggia and Rancillio community. Hard to say how long it took because I was doing other things as well (dimmer switch, boiler pressure gauge, boiler rebuild, etc.) Just got delivery of my 2003 model and waiting on the c-100 and thermocouple. Hi Kraken. Ill be using a xmt7100 (modified) for two SRRs and also tweaked for 12v out for led mod any help would be appreciated. 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? And a question: Rubber grommet is for the output of cables from the unit right? When I finished, the whole C100 display just got current only for a sec, then it went out. Remove the cover assembly and filler funnel by unscrewing the two small screws at the rear of the top. ). The C100 steps down mains voltage to 12v to power the SSR. Realized with your last comment you dont have the offset in place, my bad. It did take a few rounds to get it right, but it was successfully installed and functioning for a few months. One last question: Auber and Mr Shades are calling their sensors PT100 while mine is K type thermocouple. Hi Jun, glad you found this helpful. I just finished installing the PID hardware in my Classic Pro today. Is there a way to calibrate the read out close to the water out temperature. One end is connected to the mains connector at the back (where it is showing N sign), the other end is connected to the back of the on off switch (as you showed on the picture above). 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