I have couple of concerns with this setup and would like to kindly ask for your opinion: 1. $375.00. In a properly wired North American outlet, the neutral wire is white, and the hot/load wire is black (ground is green). 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. Hi Nish. Hello, thanks for the nice and valuable text. However, depending on the seller, some settings may need to be changed. This is a PID controller for the Gaggia Classic by Auber Instruments.This PID controls water and steam temperature. Hi Nitzan. Mains is house current. great article !!!! I strongly suggest checking which switch terminal switches the mains. One last question: Auber and Mr Shades are calling their sensors PT100 while mine is K type thermocouple. The YouTube video from wll about replacing the boiler made the whole thing very easy. Started by Rocky47, June 28, 2019, 01:16:33 PM. Terrific write-up thank you for posting it! Regardless of which thermocouple you choose to use, you will also need to factor in an offset no matter what thermocouple you use, and this is really based on your tastes. I then thought what if? and decided to change the mains wires to the opposite terminals. 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. -. Hi Brian. My plan is to install the Rex C100 first using your instructions. The cup warmer does seem a bit hotter than before (but have only used twice since installing, so Ill have to pay attention). Then use the left/right buttons to select the digits to increase and decrease, and the up/down buttons to change the digits. 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. With a PID controller added to the heater control circuit, brew water temperature can be controlled to within 1 accuracy. I 37 I decided to go the do-it-yourself route, ordering the parts separately, at a fraction of the cost of the kits. The 12 volt wires from the SSR connect to terminals 4 and 5. Hi Paul. This steam blipping is a fairly common practice that people use to avoid boiler heater cycling, its just another way to do temperature surfing. 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. Hi, thanks for the articely, it was great help to do the initial steps. If you want to defeat this feature, please add this optionto your order. Its pretty straightforward. Set the cover and screws aside. Hi Kez. It has a blue led not red like pictured.The kit works for 115 VAC and 240VAC. The solution is PID control via means of an industrial temperature controller; this is a common modification amongst the Gaggia and Rancillio community. Posted by 4 years ago. Always double-check your specific models wiring terminal layout and numbering scheme. Use the other probe to check the other two wires coming from the power socket. Others have managed to also install the PID horizontally and cut out a hole in the side of the GC, but that still requires replacing the water filler funnel. Possibly not the optimal position but was really easy to install and I knew Id only be getting a relative indicative temperature anyway. See all. I havent lowered brew pressure to 9 Bars yet so perhaps changing that would level out my pump pressures? Thanks! For espresso, 9 bars is the generally preferred pressure. Shall I change the P,I and D parameters manually and what is your suggestion to start with? Did you have to alter your thermocouple at all to get it to fit into the adapter, like removing the cap on the end or something? Auber Instruments PID Kit for Gaggia Classic. One question, Ever thought about adding a pre infusion feature? 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. Hello. Is this typical? Is P=620 maybe an overkill, as I havent seen such a big value at other places? It should be placed as close to the left-hand side of the Classic as possible. Submit. PID temperature control kit for Gaggia Classic Pro 2018+, Classic & Home. Is there a way to tap into +/- 12Volts inside the GCP? 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. The PID works after hooking everything up. Shall I connect it to terminal 5 or 2 of the on-off switch? Guys, there is mains voltage here. You can buy them at Ace hardware for about twenty five cents each. But that also seems fiddly. This PID-SSR combination does away with the 12v connection, and uses three wires for the mains power and SSR, with one wire shared between mains and the SSR output. I have re-read the specifications for this controller. Never used a K type so I cant say for sure. To find the neutral inside the GC, you have to test using a multimeter or voltage meter. . Sign up for emails. Adding pre-infusion would require either a different and significantly more sophisticated PID, or integration with something like a microcontroller. Leave the Classic powered on for at least 15 minutes. 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. It is the perfect place. Thanks. To set the target temperature, press the 'Set' button on the front of the panel. Useful Video. I hope you enjoy your upgraded GC as much as I do mine! Thanks, I see what you mean. Contrary to the Gaggia circuit diagram, Black is live, White is neutral, a minor issue. If its closed it takes longer for temperatures to drop, but still goes to 102 before the it power cycles. 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 not sure exactly what you did when you moved the wires terminating on the bottom of the power switch. If the wiring in your machine is different from our installation guide, please contact us. The taste of a real Italian espresso everyday! As for steam, the guide I wrote leaves the steam function completely untouched. The PID itself draws very little current, so something like 18 gauge lamp cord would work. I think Mr Shades has managed to do this using only cables because I dont think he instructs anything to void the warranty. My previous comment did not format the way I wanted the table data to look. These are located around the shower screen. If not, can you think of any potential mistakes I made along the way? Do you observe the same temperature ranges? GAGGIA Classic 2021 550.00 , : PID KIT 129.17 , Top Box 35.00, OPV KIT . Silver case Black case TopBox with logo TopBox with gauge hole. The only way to cut it is to unplug the machine. (Available for download after purchasing the kit. I found that moving the boiler up and to the side allowed me to get to the thermostat from the bottom really easily vs. the top. Youre probably fine with either one. You can use the sensor reading on the PID display to know when to start steaming. Unfortunately, I didnt measure any temperatures for the un-modified machine. But, I still get loads of steam and spray before it settles down. 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 , 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? 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. Visit store Contact. Remove the cover assembly and filler funnel by unscrewing the two small screws at the rear of the top. Should this be cause for concern, maybe caused by an error in wiring the PID? Gaggia Babila. 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. If you have the regular version (RI9380 120V, or 240V), you DO NOT need this wire. I hope thats ok. 2. 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. Auber Instruments. Mounting Dimension: DIN: 1/16 (48mmX48mmX80mm) 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. I think this would be the most important parameter of the build, obtaining the correct temp of the water. Hi Evan. Zip ties, heat shrink tubing, thermal paste, double sided tape, and a bolt and nut to attach the SSR are also required. Perfect, came back here to ask this question! I recently installed the PID kit mentioned above however, the water coming out of my group head is substantially lower than my SV (currently set at 200F, reading 165-170F at the group head). Unfortunately, no, you cant use the factory sensor. Hello Chris, (To be certain, the M4 is the correct one). Thanks for the great guide. Tighten one end of your connector down to one of the solid state relays AC (~) terminals and plug the other end into one of the disconnected thermostat wires. 102 is even 3 degrees below my brew temperature. I know wiring might be different colours but is everything in the same place? If your connection is down to just a few strands, that will generate heat. Please see our Help Center's. BREWING UNIT RE-SETTING AND CLEANING. Monitor and display the boiler temperature precisely. Hi Brandon. Because there is very little information on how to install a PID on the latest generation of the New Classic (2018 and newer, also called the Gaggia Classic Pro in North America), here are instructions on to do this. Note that my mod is to a Gaggia Classic, not a Gaggia Classic Pro. 6 Reviews (6) $375.00. PID Kit for older plastic body Gaggia Classic. Im all for freedom of expression and creativity, but not when it might electrocute someone. I am glad you solved the problem, Murat. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. I double checked all the wiring (inside and outside of the chassis) and eventually came to the conclusion that I had a faulty PID. Do not undertake this procedure if you are not comfortable or uncertain. https://www.auberins.com. I would not try anything without checking first. The digital LED display module is available in red or white. The little red collar shows the location. Hi Eddie. P, I, d, controlling period, digital filter coefficient, and more (for control theory experts only) This resulted in the PID not powering up even though the machine did. Hi Chris, MY GC does the same thing, the pump tone changes when the boiler is heating. Thanks. Please see the compatible model list below (Note 1 on the bottom). Thanks for the quick reply. Which Auber PID for Gaggia Classic? When set up on my bench it tucks away nicely in behind out of sight and only needs to come out when in use. Its not a sensor, it doesnt send any information, it just switches on an off, at setpoints that you cant adjust. Home; Search; Log in; Sign up; Updates: Click here to visit our store! 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. 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