Gaggia Classic Pro (released in 2018/2019) models, including the, PID temperature control kit for PID Retrofit KIT for Gaggia Classic & Home, KIT-GG, How to Download Manuals for Login-Required Kits, USB LCD PID Temp Controller with Timer, Ramp Soak Optional RS485, Silicone Braided Cable for PT100-L Series Probe, 12 ft, Water-Resistant 3-Pin Connector, Rear Mount, Round Flange Socket, (For orders placed recently in 2022) If you placed the order as a guest, you cantry the, (For orders placed a while ago) Please log in and download the manual from your order history page. Looking forward getting your thoughts and ideas 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. The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. Thus brewing circuit needs to be connected directly to the heating element, not over steaming circuit. Shall I change the P,I and D parameters manually and what is your suggestion to start with? Not really preinfusion, just an excellent way to crack the puck before your shot starts. 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. 4.8. I decided that for me, its not worth worrying about. Its no secret that the chassis of the Classic has extremely sharp edges. KIT-GG Installation Guide Version 1.3 Auber Instruments, 730 Culworth Manor, Alpharetta, GA 30022 e-mail: [email protected] Tel: 770-569-8420 www.auberins.com . 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. I can actually taste the sweetness for the first time. The idea of the chassis becoming live doesnt bear thinking about. The PID kit you described should work, but like the C-100 kit the I used, the included thermocouple wont fit in the Gaggia Classic. I can do a more detailed writeup of what Ive done if anyone feels like helping me find out whats not working properly! Hi Chris, This is sold on amazon The solution is PID control via means of an industrial temperature controller; this is a common modification amongst the Gaggia and Rancillio community. 100% Upvoted. I installed the PID so that there are no permanent modifications to the machine, and the Gaggia can be returned to factory condition at any time. 6. With this tight temperature control, you do not have to surf the temperature for frothing because the heater will kick on much sooner than the original thermostat. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. I used P:2,4 I:40 D:10 and Souf:0.2 which gives a shot stability around 2 degrees for single, 4 degrees for double shots. It doesnt matter which mains terminal is connected to hot and which one is connected to neutral. You would need to put the boiler heater element between the controller terminals 2 and 3. the PWM needs a new wire to the where the pump wire was disconnected. Did you make any changes to the setting of the PID? Thanks in advance! Double sided tape will work. Is this typical? Does the PID generate enough heat to melt the Lego bricks? You should be done! Fast, Free Shipping. Hi Chris, The coffee water temperature in the boiler of a home espresso machine is originally controlled by a bi-metal thermostat, which causes a big temperature swing. 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. Thanks! Spent a relaxing boxing day fiddling around with this mod. Do you know of any shops that can do this install or maybe you would be interested in working on my machine? And this is the thermometer out the back. The 12 volt wires from the SSR connect to terminals 4 and 5. Or do you think the same set will work with QB-T7100? Hi Kraken. Perhaps Ill use a spare Arduino or FPGA to PWM the boiler while brewing as someone else was saying. Hello Chris, PID TEMPERATURE CONTROLLER W/ 30 RAMP / SOAK, KILN $81.98. I formatted the table, its very useful. Thanks for the quick reply. Users can also bypass the timer to use the switch on the machine for manually controlling the brewing process. The C100 is probably made by dozens of different manufacturers. Everything else (Auber and Mr Shades) includes an M4 thread on their pt100. 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. The label on REX-C100 says that it is produced by RKC, Japan but you never know for sure :-). (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)? If you want to defeat that auto-power-off feature, please add this piece of wire to your order. It is suitable for Gaggia Classic or other machines with a silver finish. Hi Chris, Ive followed these instructions exactly (thank you for your thoroughness) except for how the mains were tapped: I moved the two wires terminating on the bottom of the power switch to the top, and tapped them (as per another guide). I am glad this article helped. Are the steps here suitable for older machines like mine? These set the parameters and algorithms that monitor and control. My theory at the moment would be that due to the PID control the heater is sometimes on at higher temperatures. I am glad you got your setup working Murat. 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. However, depending on the seller, some settings may need to be changed. New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display. 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. Based on several comments, the wiring varies between units, even though they are the same model. Thanks again for all your support. 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. It is suitable for other colored espresso machines. This is because the switch is connecting the terminals vertically when it is turned on. I am beginning to suspect that Gaggia created as many combinations of wiring configurations and colors as they made machines. 1. 3-Connect the other cable to the terminal on the on off switch, which is on top of or below the Live cable. Hi Nitzan. did the REX-100 require most of the default setting to be changed or is it similar to changing like shades PID or Auber PID. Just use a multimeter to find the switched mains, and you should be able to follow the thermostat wires. 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. Did you try with the SSR unit 40 DA or 40AA? 6 Reviews (6) $375.00. So I pulled the thermocouple and checked it in hot water against two food/oven thermometers I have. 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. I found this M8 female to M4 male reducer: https://www.ebay.com/itm/284317077676. A cheap multimeter is all you need. On top of the original price tag, international shipping, taxes, duties and currency exchanges can make obtaining these kits time consuming and even more expensive. 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. Same with the adapter screw. Run this wire along the rest of the existing cables and out the back of the Classic, through one of the vent slots. Watching the steam temp with the PID is interesting (I know it has no effect on it, but it is cool to see how it reacts now) and it is definitely best practice to steam while its on its way up in temp, once it hits the set point it comes down for a while (mine settled around 130 before it started back up). The YouTube video from wll about replacing the boiler made the whole thing very easy. Is it possible, despite setting the temperature to 102 degrees Celsius as SV, to actually run GCP much hotter due to incompatibility of the PID and RTD? Remove the cover assembly and filler funnel by unscrewing the two small screws at the rear of the top. Do you think this makes a difference? Hi David. Do you observe the same temperature ranges? Have you noticed any problem using REX-C100FK02 and RTD PT100? This process involves working with potentially lethal mains-level voltages. New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display $135.30 SHIPPING: We load new stock of PIDs on a Sunday, and they sell out very quickly (often within a few hours). You need at least 20 amps. I purchased an AC to AC SSR (SSR 40AA) which will stabilise steaming temperatures in much smaller margins than the original steam thermostat. Maybe this could serve instead of trying to find an M4 thermocouple. Thanks. Fast, Free Shipping. So this suggests that the machine is getting much hotter and I reduced the the set point to 95deg from your recommendation of 103degC. 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. Home; Search; Log in; Sign up; Updates: Click here to visit our store! Thanks! I am now waiting for my PID unit and thermocouple with M4 head to arrive this week. XMT720LCD . But that also seems fiddly. For those interested I just bought a cheap ($13) K-type thermocouple and thermometer (TM-902C) https://www.ebay.com.au/itm/224710871179. Monday - Friday: 10am - 4:30pm. PID Kit for older plastic body Gaggia Classic. Configurations and colors as they made machines to defeat that auto-power-off feature, add! Thing very easy use the switch on the on off switch, which on. Mains, and I reduced the the set point to 95deg from your of. 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