Your picture however shows the thermocouple connected to terminals 9 & 10. Spent a relaxing boxing day fiddling around with this mod. My Gaggia Classic uses 18 awg wire for every connection inside. Also, the PID generates almost no heat, because the work is done by the SSR, and this is heat-sinked to the Gaggia. Free delivery for many products! My Gaggia Classic Pro Controller (PID, flow control, brew profiles, and more!) When the pump runs, it vibrates the chassis and it will be a matter of time before it cuts through the wiring insulation. PID kit temperature control for Pavoni or Faemina lever coffee machine . 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/. Connect the two leads you removed from the original thermal switch to the switched AC side of the SSR. But nothing prevents you from using the PID and thermocouple as a temperature indicator. I actually installed mine and then saw your thread, which is awesome to see other people using the same PID. You want to connect the PIDs mains power terminal to the side of the Gaggia power switch that cuts out power when the machine is off. add to list. Good idea Chris. Please note that I'm only using the PID to control the brew temperature. Hi Jeff. Most likely they will have the same connector types as the REX-C100, but its always possible that you will need different connectors depending on what you end up ordering. 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). Display: Dual display for Fahrenheit(F) and Celsius(C) You can mod the XMT7100 yourself but it requires soldering on the PCB, basically removing the onboard relay and then jumpering the empty terminals. Thanks. As for your PID always remaining on, it looks like you wired it to the unswitched mains, instead of the switched power. (Markings can be found on front side of the plug) 2-Check the color of the cable which shows L sign on the plug- meaning Live. 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. The sensor has three wires: 1 x red and 2 x white. Tags Gaggia Classic Pro Tool Holster. Thanks in advance for any reply! Double sided tape will work. Hard to say how long it took because I was doing other things as well (dimmer switch, boiler pressure gauge, boiler rebuild, etc.) 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. Left or right side if facing the front of the machine? it works better than poor mans preinfusion described by wholelatte love & Lance in the youtube. To find the neutral inside the GC, you have to test using a multimeter or voltage meter. I was like WTF. Consult the instructions that came with your PID to make sure. Based on several comments, the wiring varies between units, even though they are the same model. YOU ALONE ARE RESPONSIBLE FOR YOUR OWN SAFETY, PLEASE KNOW YOUR LIMITS. 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,. I think this would be the most important parameter of the build, obtaining the correct temp of the water. The Gaggia Classic is a very capable espresso machine that gets even better with a couple of improvements. I wondered if you ended up testing both in the end. Thanks. QB-T7200 48*24mm Programmable Digital PID Temperature Controller with Built-in 5A Solid State Relay XMT7100 AC/DC85~260V. When I say old, it is still unused new in the box. I start to run the steam at about 130 in the heating cycle on my setup. i ordered K type and PT100 both for M4. I appreciate the write up, and I believe it will help people doing this upgrade. Thanks. 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). The value proposition goes right out the window at that point because you're now at nearly $700 if you bought the machine new. As for steam, the guide I wrote leaves the steam function completely untouched. If you really want these features, its probably time to think about upgrading your machine. Do not over-tighten the adapter, it only needs to be finger-tight. 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. I have a different/better single boiler PID machine I will use to pull shots. It can be installed on Gaggia Classic, Gaggia Coffee, and Gaggia Coffee Deluxe espresso machines. I would be surprised if your water is 80 degrees coming out of the boiler with the PID set to 103, but its possible, depending on the thermocouple youre using. SSR control ready to connect external Solid State Relay to handle High current. Mechanical Rocker Switches if a brew alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and simple. Well I ordered the wrong thread. Im all for freedom of expression and creativity, but not when it might electrocute someone. Hello, there is another model without SSR built in with name 7100 instead of 7200. You can use the same 18 gauge wire between the heating element and the SSR. It should work as a replacement for the C-100 and SSR, but because the SSR is built into the PID, so your wiring will be a bit different. About 60cm of FLRY 1.5mm2 cable to connect the SSR to the Gaggia4. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. Basically, you can install two separate PID controllers one for each boiler. I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. Gaggia Classic Pro DIY PID controllerGithub page with firmware for ESP32 - https://github.com/tosteich/Espresso_PIDSome pictures of internal setup - https://. It would also be a bit of a weird machine, but this approach wouldnt require any mods or re-setting of temperatures to use the machine to brew. Make sure that all the new and repositioned wires are cleanly routed away from the boiler and pump and any uninsulated connectors. Ill dismantle on a cleaning weekend and test the thermocouple again. Yes it is normal for the brew light to blink like this after you install a PID. 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. 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). I have briefly thought about pre-infusion but the REX C-100 is not capable of this. Its crazy. Depending on the draw of the display (I saw 50mA somewhere), you could also try running it off a battery. Again, as above, run this cable out the back, and leave it unterminated and longer than needed. 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 again for taking the time to write up such a great guide. I have read reports of measurements of up to 8 degrees C lower at the portafilter. Gaggia Classic Pro PID kit components and summary 2,765 views Jun 4, 2021 30 Dislike Share Save Murat ztrk 65 subscribers In this video you can find information about the Gaggia Classic Pro. Did you reverse any wires to the steam switch? Keep the thermostat, in case you want to return the Classic back to factory condition. sign in . Do you think this makes a difference? One end of the wire should be a male disconnect connector, and the other end should be a spade connector. Please be sensible and install a grommet anyway! Hello Chris, 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. $16.95. . What is the intra-shot temperature fluctuation that you are seeing on your machine with your PID setup? Gaggia Classic Pro - Gaggia North America Commercial Steam Wand The commercial style steam wand comes equipped with a two-hole tip to perfectly craft velvety microfoam for lattes, cappuccinos, and more. Double check that this is the neutral! Is there a way to calibrate the read out close to the water out temperature. Final note: before going down the PID route, the easiest modification to make, and the best starting point for Gaggia Classic modifications, is lowering the brew pressure. The idea of the chassis becoming live doesnt bear thinking about. If nothing happens, download GitHub Desktop and try again. New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display $139.33 excluding VAT View Product Information Select Your Mounting option Silver case Black case TopBox with logo TopBox with gauge hole Stock situation: Silver case : Less than ten left Black case : Last one or two!!! MY GC does the same thing, the pump tone changes when the boiler is heating. Always double-check your specific models wiring terminal layout and numbering scheme. Thanks in advance. Does the wiring youve supplied automatically shut the PID unit off when you engage the steam switch? The thermostat is a replacement, the original one burned around three years ago. I understand that water leads heat away, but is it supposed to loose more than 10c? Marca: Gaggia: Capacidad: 72 Onzas: Color: Acero inoxidable cepillado: Dimensiones del producto: Gaggia Classic OPV spring mod kit - Standard version (just springs) $12.78 Shades of Coffee Slim drip tray complete with long vent tube for Gaggia Classic $30.67 Shades of Coffee Bottomless Portafilter with walnut wooden handle (smooth) - for Gaggia Classic / Classic Pro $42.17 Shades of Coffee Are the steps here suitable for older machines like mine? The only way to cut it is to unplug the machine. I adjusted the calibration offset on the PID +5.5 degrees to read 212 degrees.Have you any suggestions of more accurately calibrating the PID and TC? Want these features, its probably time to write up such a guide. Up such a great guide find the neutral inside the GC, you can the! 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