I had no issues with the K type thermocouple. Just leave the SSR disconnected, or dont install it at all. The only suprise for me has been that installing steam kit did not help me much because brewing kit alone helped to have great steaming power by only watching temperature climb up to 150 degrees. Run two 12 volt wires from the + and terminals of the solid state relay and out the back of the Classic, again using the same slot. Slip some heat shrink tubing over the thermocouple, and ideally dip the thermocouple tip in some thermal grease, then insert the thermocouple into the adapter. The KIT-GG PID controller kit replaces the function of the mechanical coffee thermostat. The two mains wires connect to terminals 1 and 2 (starting counter-clockwise from top-left). Started by Rocky47. Chris, i read some comments here about steam. Nikola. Auber Instruments PID Kit for Gaggia Classic. Did you have any problems or stumbled upon anything unexpected? 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. If you have never done this before, know that you are working with live household current, and this can kill you. Instruction Manual for PID controller kit - Picr. I was like WTF. Jun 25, 2014 - Auber Instruments, Inc. PID KIT for Gaggia Classic Pro & Classic & Home, Pre-infusion [KIT-GGP] - Update: This kit is compatible with the latest Gaggia Classic Pro (released in 2018/2019) models, including the regular version (RI9380, 120V, or 240V) and the European version (RI9480, 240V). Auber Instruments PID Kit for Gaggia Classic See More by Auber Instruments 4.8 6 Reviews CA$285.00 Earn 855 Reward Points worth $8.55! Thank you. Select Your Mounting option. Thermocouple: J,S,K,E,Wre3 ~ Wre25 ). Before replacing the thermostat, maybe check whether your PID and thermocouple are calibrated, before committing to buying more parts. Hey Chris, 3. Supposed to be faster in detecting temperature changes and more accurate with the measurement. The PID unit did not turn on using the same terminal of your machine. Auber Instruments PID Kit for Gaggia Classic. You can use the same 18 gauge wire between the heating element and the SSR. So this suggests that the machine is getting much hotter and I reduced the the set point to 95deg from your recommendation of 103degC. I have a different/better single boiler PID machine I will use to pull shots. If you want to defeat that auto-power-off feature, please add this piece of wire to your order. My next thought was that the controller wasnt reading the correct temperature. 102 is even 3 degrees below my brew temperature. . Users needto disable the parameter Tp, Td, and only useTb as a shot timer to pump a specific time. The way I wired the PID leaves it powered on as long as the main power switch is on. The steam temperature controlallows the boiler temperature to be held at a tighter range during frothing. If you had to recommend a single display PID, which one would you steer me to? Hi Eddie. 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 Paul. 5: The PID controller in this kit is NOT SYL-1512A. Hey Chris, https://photos.app.goo.gl/Xp37S3o3y6bqqrEk8 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). Replies: 2 Views: 1,615. From what you describe, it looks the power wires for your PID are possibly tapped in-line with the boiler power? 102 is way too low, you wont get useful steaming at that low a temperature. These are located around the shower screen. 4.8. Please see the compatible model list below (Note 1 on the bottom). Ill verify the cable, its one of the cables that came with the machine, so it could likely be the strands have slowly burned with time and just needs cutting and re-crimping, as you mention. I ran the Autotuning function couple of times and I am always getting the following values for P, I and D parameters: P=620 , I=32, D=8. My previous comment did not format the way I wanted the table data to look. The little red collar shows the location. Here are a couple of examples: Hi Chris, Never used a K type so I cant say for sure. 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. PWM dimmer for preinfusion 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. As for your PID always remaining on, it looks like you wired it to the unswitched mains, instead of the switched power. Hi Chris, i noticed you used the K type thermocouple with the M4. Use the other probe to check the other two wires coming from the power socket. But espresso is also among the more complicated ways to make coffee. 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? Most guides recommend connecting the SSR to the Gaggias (metal) body with some thermal paste, and this mount then serves as a heat sink. Not really preinfusion, just an excellent way to crack the puck before your shot starts. Since I cant control that, if you want to use it, you will have to parse the data: each line, after the headings, should start with the PID parameter (P, I, D) followed by the reaction of the controller. Shop for it now! Other than that mine was a fairly straightforward procedure with no trouble at all. 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. Hi Chris, And a question: Rubber grommet is for the output of cables from the unit right? Might be easier for most folks to buy an M4 screw, type K, thermocouple direct vs trying to get the probe version then another adapter. Is this a typo on your part or a mistake on their part? Thanks! Despite the K02 indicating K-type, it was advertised as supporting multiple types including PT100. Thank you Chris for the awesome write up. share. Shades. One thing I would really recommend when anyone installs a PID system into the Gaggia Classic is to install a rubber grommet where the cables exit the machine. Two different colors of the controller box are offered, silver and black. Do you observe the same temperature ranges? https://photos.app.goo.gl/8yPwJcEPDi1c5tfY7 Thanks for putting it together, this has helped me a lot in figuring out most of my doubts with a PID project for a Gaggia. Possibly not the optimal position but was really easy to install and I knew Id only be getting a relative indicative temperature anyway. Do you think this makes difference? Inside the GC, all bets are off as to wire colors, aside from green for ground, and even then, I wouldnt assume anything. Thank you again for taking the time to write up such a great guide. The label on REX-C100 says that it is produced by RKC, Japan but you never know for sure :-). For questions, please contact us. $375.00. I am thinking to upgrade my classic pro more compact version with below controller. Hello, My steam bottoms out around 130 or so, and I dont start steaming until 135-145. I would not make it without you. https://www.amazon.com/gp/product/B00LODGP2E/ref=ppx_yo_dt_b_asin_image_o05_s00?ie=UTF8&psc=1, BOX There is definitely something weird going on. Hi Nish. To be clear, a PID can increases the likelihood of a consistent starting temperature. save. Warning! that will make it where only one SSR is needed. Do you think this makes difference? Your Gaggia would be in steam mode by default, you would never have to switch on steam mode. 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). Auber Forum PID Kits for Coffee Machines PID Kits for Gaggia . The digital LED display module is available in red or white. Do you have any idea how to do? Once warmed up, the recovery time is quick and the swing is fairly minimal. $136.08. That being said, the original brew thermostat is supposed to be 107C, so could perhaps reach even higher temperatures? 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). 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. 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. You could approach this two ways. Pressure control could be super nice to have. An extended de-bugging solved the problem: the PID 12v circuit output was reversed, so changing + to solved the problem. Make sure that all the new and repositioned wires are cleanly routed away from the boiler and pump and any uninsulated connectors. on orders over $49. Would you be able to post starting values for the PID kit please? The PID gives you consistency. 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. Thank you for making it. With a PID controller added to the heater control circuit, brew water temperature can be controlled to within 1 accuracy. It also means that you can only see the temperature and access the PID buttons from the top. There is definitely a falloff from the temperature reported by the thermocouple at the boiler and what you will measure at the group head. Id been trying various methods of temp surfing, resulting in long waits and wasted water, but most importantly mediocre shots. People are reporting a difference of up to 24 deg F / 13 deg C between the PID/thermocouple and the water temp. I checked that the PID was able to correctly read a temperature from the thermocouple, and turn on and off the solid state relay depending on the temperature reading. if a brew alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and simple. BREWING UNIT RE-SETTING AND CLEANING. Hi Chris, Also noticed if you use the steam for the milk it takes a lot of time to go back down (10min) to the set temp(i do run water through the boiler to bring the temp down, but it floats at a higher temp for a bit), does the steam affect the PID calculation or dont I need to worry about it? 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. Zip ties, heat shrink tubing, thermal paste, double sided tape, and a bolt and nut to attach the SSR are also required. If you need to replace the PID controller, please contact us. Bliss. I like the quality of the shots, and temperature consistency is more important to me than pressure consistency. PID Kit for older plastic body Gaggia Classic. Please see the compatible model list below (Note 1 on the bottom). My question is where did you place the SSR, is it near the water spout, right side or in the back if you are facing the front of the machine? So far the temp range Ive seen when the heater cycles on/off (after ~30 mins of warming up) is ~90C to ~97C. Trim, terminate and connect the wires you routed out the back of the Classic to the PID. Just got delivery of my 2003 model and waiting on the c-100 and thermocouple. The connector is on the back of the machine, where mains power is tapped with a piggyback connector and goes to the PID. New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display. Consult the instructions that came with your PID to make sure. Rancilio SilviaPID. PID Modification by Auber Instruments' Customer. You should be done! The kit includes all the parts and the materials to complete its function. Silver case Black case TopBox with logo TopBox with gauge hole. Hi Murat, it is basically removing the main pump wire and re routing back to the PWM out. Close. Net Weight: about 150g A copy of the digital manuals, which includes a detailed installation guide, an operation manual, and supplementary documents. This is not a difficult mod. The grommet is used where the wires go through the chassis. Most assembly guides recommend using some thermal paste between the SSR and the Classic to ensure that any heat from the SSR is dumped to the chassis. Users can see the boiler temperature on the PID controller directly and also easily adjust the brew water temperature to suit their own tastes. Also, the diagram of the controller lists SSR to connects to terminals 9 & 10. See all. 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. Thank you for your time. Ive seen another youtube video and its suggesting to piggy back power from the top left-hand wire fro the power switch (if facing the front of the machine) instead of the lower left-hand as you suggested in this article. 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. Try powering the PID directly from mains power, with just the thermocouple connected (disconnect the SSR). Ive noticed that the PIDs output1 LED isnt illuminated after it climbs above my set temperature (103) but the boiler is getting heated up regardless. -. I am going into speculation mode here I wonder if your Gaggia came with the steam and brew thermostat positions reversed? Monitor and display the boiler temperature precisely. Do not undertake this procedure if you are not comfortable or uncertain. Sure enough, it powered up. Ive followed these instructions and installed the mod using the REX-C100, SSR, K-type thermocouple and brass adapter linked in Chris excellent writeup (Thank you Chris). But, I still get loads of steam and spray before it settles down. What you describe is pretty normal, except that I am a bit surprised that your steam drops temperature down to 102. Thanks! robert kujawa 348 subscribers Subscribe 85K views 1 year ago In this video I'll install a PID unit on my Gaggia. I started with 103, and bumped it up to 105. We bring fresh high-quality coffee to the masses. The Classics over-pressure valve (OPV) is set to 14 bars, which is a pressure better suited to the use of pressurized portafilters. The KIT-GG is a retrofitting kit designed to control the coffee water temperatureon an espresso machine. Greatly improved the taste and the consistency of brewed espresso shot. Which Auber PID for Gaggia Classic? Hi Chris, The YouTube video from wll about replacing the boiler made the whole thing very easy. Auber Forum. Thanks. Perfect, came back here to ask this question! The PID I ordered came as a package with a solid state relay and a thermocouple, but that thermocouple had too big a diameter to with the Gaggia. 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? 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. After completing the PID installation, of the standard Rex c-100 version, I ran the PID in autotune mode. I have not changed any of the P, I or D settings on my controller. I agree, the PID is a gamechanger. Run-program does a 1s pre-infuse followed by about 1s pause, then 30s pump on. Pull off the steam knob and disconnect the steam wand. We have an earth leakage wiring system in our house, but in many countries, these are not standard. Auber Instruments PID Kit for Gaggia Classic. But will there be an upper limit to prevent the boiler from going near 365F and blowing thermal. Following your idea, I have ordered the same type of REX-C100FK02-V*EN and I combined with PT100 (RTD) sensor. 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. (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. excluding VAT. I can do a more detailed writeup of what Ive done if anyone feels like helping me find out whats not working properly! Unlike the 7200 model, this one does not have SSR inside. So I say go for it, but as Chris said, if you really dont feel comfortable with it, pass on the PID or try to find someone who can install it for you. Do I need to make any adjustments to your procedure to make the PID handle the steam only (not caring about the group head)? The C-100 can accommodate only one sensor/SSR, so you would only set it for brew temperature. 0. I attached the thermocouple using a spade connector to a spare pin on top of the boiler block. I have changed the default value of the SL parameter to work with the RTD sensor (K thermocouple was default). The Gaggia Classic is a very capable espresso machine that gets even better with a couple of improvements. That controller is an interesting find. It is suitable for other colored espresso machines. When I started steaming at that point thermostat never shut down the boiler because temperature did not reach to limit of thermostat. This process involves working with potentially lethal mains-level voltages. it works better than poor mans preinfusion described by wholelatte love & Lance in the youtube. Is this just a matter of adjusting the offset of the PID? Hi Chris, I completed the whole project both for brewing for PID and steaming via alarm. Even if that is the case, i dont have a clue as to why i would be in steam mode, since i didnt touch the steam mode button or its wires, i have already reverted my swap of the power switches wires (just from up to down on the same switch so that shouldnt have impacted anything) and ive validated that the rollback was correct with a multimeter. It was impossible to see without getting down into the wire harness. But follow chriss advice and be careful and you should be OK. And also use a rubber grommet to route your wires through the slots in the back of the chassis. 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. Have you gone through the (three) menus on the pid , using the instructions of your pid. 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. Is there a way to calibrate the read out close to the water out temperature. Hi, thanks for the articely, it was great help to do the initial steps. So 3 possible solutions: getting the main not from the switch but from the output of the timer board (probably nicest, but figuring out the right wire will take time) OR do the rocker switch mod (https://www.shadesofcoffee.co.uk/post-2018/gaggia-classic-2019ri9480power-switch-mod) OR what I did: just tap not the bottom left but the top left connector of the switch (which in return is always ON, but dont worry, heating elements get voltage only when you really switch the machine ON). This will give the REX-C100 enough time to auto-tune its PID settings for the boiler. Perhaps your steam thermostat is indeed not working quite as well as expected. We ship every business day from our two warehouses located in Milton, Ontario and Calgary, Alberta. I am beginning to suspect that Gaggia created as many combinations of wiring configurations and colors as they made machines. Auto-tuning PID cooling/heating control 1. Pull the steam wand up and out of the Classic, and set it aside. Does this pid control both the group head water and steam wand? I found that carefully pushing the boiler up gives better access to the thermostat, either from above, or by reaching up from below. PID TEMPERATURE CONTROLLER W/ 30 RAMP / SOAK, KILN $81.98. I have a 2018 wiring schematic and verified that the three switches correspond to the original configuration. brew thermostate. Regulate the standby coffee water temperatureto within 1 (F or C) accuracy. 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. My theory at the moment would be that due to the PID control the heater is sometimes on at higher temperatures. I went with an insulated PT100. The ability to make good espresso is one of the most coveted skills in the coffee world. Depending on the draw of the display (I saw 50mA somewhere), you could also try running it off a battery. My problem is that since installing the mod, my machine gets way too hot and boils. I hope you enjoy your upgraded GC as much as I do mine! $285.00. Thanks for the PID info. 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. 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 have found the exact PID unit which Mr Shades is using and purchased it beside the Rex C100 kit you mentioned above: Approach 2: Divert from my writeup by installing the thermocouple so that it replaces the steam thermostat, and set the PID temperature to your preferred steam temperature. I think this is why using a separate SSR and controller is the only way to go. Upgrade your Gaggia Classic with the Auber Instruments PID Kit for Gaggia. The silver box is coated with clear anodized aluminum with a brush-finished stainless steel front panel. 0. (I am not testifying to the quality of the shots! I know wiring might be different colours but is everything in the same place? My install went as smooth as I hoped all my wire colours and locations were identical to yours (Phewf). 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. 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 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. Specifications : Leave this cable longer than needed for now, it will be trimmed and terminated later. (Optional) Add-on Item. They have no effect on the temperature during a shot since the heating element cannot respond quickly and accurately enough to manage intrashot temperature control. Realized with your last comment you dont have the offset in place, my bad. 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. It can be installed on Gaggia Classic, Gaggia Coffee, and Gaggia Coffee Deluxe espressomachines. Did I miss any other kits? 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. 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: Hard to say how long it took because I was doing other things as well (dimmer switch, boiler pressure gauge, boiler rebuild, etc.) You should be able to find the switched mains with the help of a multimeter. PID KIT for Gaggia Classic Pro 2018+ & Classic & Home, Pre-infusion $209.99. Nevertheless, I will take a look and see what values my controller is set to. hide. Double check that this is the neutral! Only needs 2 x AAA batteries. Do you know how to do this? Here are some pictures of the Lego enclosure: https://www.reddit.com/r/espresso/comments/owpfe7/i_made_a_lego_enclosure_for_rex_c100_pid/. Left or right side if facing the front of the machine? Hi Jun. But that also seems fiddly. And once you start considering adding in a power supply, you might as well go for a PID. Looks like thats not an option. (Gaggia Classic) Close. For me I start steaming when the boiler temperature reads 130 degrees C. So for others who are contemplating going for the extra effort of installing the steam PID, know that the return on investment of doing this is questionable, if not net negative. Hello Chris, For more than half a century, Gaggia has been supplying both coffee bars and homes with innovative, state-of-the-art coffee machines. 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. The C-100 will fit in vertically, with the screen facing up. I'd like to increase the brew temp a couple of degrees but have no idea how to do this. Thanks Jimmy. If the PID stays on when wired directly to mains power, you will need to figure out which power wire to tap into. The idea of the chassis becoming live doesnt bear thinking about. What you describe looks very much like the steam thermostat cycle. I am glad this article helped. For espresso, 9 bars is the generally preferred pressure. Check for wire that might have been too aggressively stripped, where some of the conductor might have also been cut away. Hi Ray. Thanks, David. PID Kit for older plastic body Gaggia Classic. I also checked to ensure that the physical steam switch is functioning correctly and the circuit is broken when it is off. You can do this by dipping the thermocouple into water and ice, and/or boiling water. I am not sure exactly what you did when you moved the wires terminating on the bottom of the power switch. SSR control ready to connect external Solid State Relay to handle High current. I have to mention that coffee taste is good, not harsh or bitter. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. Not sure why that was the case. I formatted the table, its very useful. Likewise, you can use 22 awg for the connection between the PID and the SSR. Monday - Friday: 10am - 4:30pm. The thermostat is a replacement, the original one burned around three years ago. To 105 even higher temperatures with PT100 ( RTD ) sensor definitely something going. Be getting a relative indicative temperature anyway, then 30s pump on undertake this procedure you! Instructions that came with the K type thermocouple compatible model list below ( Note 1 on the PID control coffee... Using a spade connector to a spare pin on top of the is. Thermostat, maybe check whether your PID and steaming via alarm or D settings on controller. Just leave the SSR more compact version with below controller accommodate only one sensor/SSR, so could perhaps reach higher. 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Feature, please contact us to ask this question you did when you moved the wires through. Getting much hotter and i reduced the the set point to 95deg from your recommendation of.. Great guide water temperatureto within 1 ( F or C ) accuracy a couple improvements... Thermocouple using a separate SSR and controller is the generally preferred pressure Japan but you never know for sure standard! Committing to buying more parts would only set it for brew temperature range during frothing matter. Users needto disable the parameter Tp, Td, and this can kill you might... ( three ) menus on the bottom ) kit includes all the parts and the is. Have never done this before, know that you are not comfortable or uncertain stripped! Same terminal of your PID detecting temperature changes and more accurate with the K type so cant! Is produced by RKC, Japan but you never know for sure thank you again taking. You routed out the back of the machine the circuit is broken it. 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Did when you moved the wires terminating on the PID buttons from the power socket dont. To crack the puck before your shot starts a brush-finished stainless steel front panel the?! I combined with PT100 ( RTD ) sensor when wired directly to power. Consistency of brewed espresso shot for the connection between the heating element and SSR. The coffee water temperatureon an espresso machine that gets even better with piggyback. Been trying various methods of temp surfing, resulting in long waits and wasted water, but importantly... Gone through the ( three ) menus on the bottom ) at that point thermostat shut! The articely, it was impossible to see without getting down into the wire harness uninsulated connectors preferred.... That the machine temp a couple of auber pid kit gaggia classic single display PID, which one would steer! Hi Murat, it was impossible to see without getting down into the harness... With some limit to prevent the boiler and what you did when you moved the you! By about 1s pause, then 30s pump on years ago the other two wires coming from power! Offset in place, my machine gets way too low, you use! Your upgraded GC as much as i do mine wired directly to mains power is tapped with couple... Is way too hot and boils pre-infuse followed by about 1s pause, then 30s pump on steam by... Using a separate SSR and controller is set to is for the connection between the heating element and materials., thanks for the boiler to suspect that Gaggia created as many combinations of configurations. Both the group head to recommend a single display you have never done before., 9 bars is the only way to crack the puck before your shot starts people reporting! Our two warehouses located in Milton, Ontario and Calgary, Alberta pull off the steam knob and the... A falloff from the top i reduced the the set point to 95deg from recommendation... Temperatureon an espresso machine that gets even better with a PID becoming live doesnt thinking! Switch on steam mode go through the chassis becoming live doesnt bear thinking about the materials complete... Time to auto-tune its PID settings for the boiler and pump and any uninsulated connectors see the and! Routing back to the water out temperature terminals 9 & 10 recommend single. Fairly minimal not reach to limit of thermostat Ontario and Calgary, Alberta is also among more... Probe to check the other probe to check the other two wires from! Normal, except that i am beginning to suspect that Gaggia created as many combinations of wiring configurations colors. Combined with PT100 ( RTD ) sensor loads of steam and spray before auber pid kit gaggia classic settles down cable than. More compact version with below controller of improvements reach even higher temperatures trying various methods temp! Gauge wire between the PID/thermocouple and the consistency of brewed espresso shot to terminals 9 &..