I think this would be the most important parameter of the build, obtaining the correct temp of the water. under the name replacement PID kit parts with very low prices. This is a PID controller for the Gaggia Classic by Auber Instruments.This PID controls water and steam temperature. Thanks, I see what you mean. 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). 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. im trying to find out from shades why shades uses 2. as i have machines auber & shades on both the steam works fine once at at least 300F. Even with a perfect offset, you would also need to also take into account the temperature offset between the boiler and the portafilter. Pressure control could be super nice to have. There is no 12v anywhere in the GCP, its all mains power inside. Ill dismantle on a cleaning weekend and test the thermocouple again. Note that my mod is to a Gaggia Classic, not a Gaggia Classic Pro. Do not over-tighten the adapter, it only needs to be finger-tight. Do you know of any shops that can do this install or maybe you would be interested in working on my machine? Likewise, you can use 22 awg for the connection between the PID and the SSR. Is there a way to calibrate the read out close to the water out temperature. Hey. It should be placed as close to the left-hand side of the Classic as possible. Without offset the range is between 109-159, still too low. When the temperature stabilizes to within 1 degree of the target temperature, the auto-tuning is complete. 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. Thermocouple included: M6*1 thread , K type , 2m cable The installation is completely reversible if you ever want to sell the machine or send it to service. I am guessing that its caused by the current draw of the boiler heater. These set the parameters and algorithms that monitor and control. Zip ties, heat shrink tubing, thermal paste, double sided tape, and a bolt and nut to attach the SSR are also required. Spent a relaxing boxing day fiddling around with this mod. I just finished installing the PID hardware in my Classic Pro today. The 103 is not a true 103, that is what is getting measured in the boiler wall, and there is also a temperature drop off between the boiler and the portafilter, so your final espresso temperature will be lower. Yes it is normal for the brew light to blink like this after you install a PID. What exactly is a mains-rated wire, and where would I find one? Double check that this is the neutral! Submit a Request Call Us at (888)-389-4123. The factory settings have been working well for me, aside from a ~5 degree C overshoot when it first reaches the target temperature. Wanted to double check here for some observations a about three months after installing the PID. Apart from that, when I turn on steam mode, the thermostat takes temperature in the machine around 151c-152c, it doesnt turn on again after it goes down to 102C, then turns on and repeats the cycle. Perfect, came back here to ask this question! Hi Murat, That is indeed not normal. 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 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? Contact. Run-program does a 1s pre-infuse followed by about 1s pause, then 30s pump on. GRAN GAGGIA PRIMING. Even though the wires are insulated, as someone posted earlier, that metal is sharp and the vibration from the machine may eventually cause the insulation to fail and then your whole machine is a conductor. SSR control ready to connect external Solid State Relay to handle High current. I stumbled onto this before I actually had my Gaggia in hand and went about ordering all the parts. You would probably blow the fuse in this controller/SSR within seconds. Then use the cursor keys to select the digits to increase and decrease. 40A SSR Solid state relay included Before replacing the thermostat, maybe check whether your PID and thermocouple are calibrated, before committing to buying more parts. Hello Chris, 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. Required fields are marked *. When set up on my bench it tucks away nicely in behind out of sight and only needs to come out when in use. If you need to replace the PID controller, please contact us. Heres a picture of the screws I used, with screwdriver for scale: Great article and development, congrats! Some people have done this by replacing the water filler funnel and 3D printing a replacement cover. But I would definitely read the instructions that come with whatever you receive! Hard to say how long it took because I was doing other things as well (dimmer switch, boiler pressure gauge, boiler rebuild, etc.) Inside the GC, all bets are off as to wire colors, aside from green for ground, and even then, I wouldnt assume anything. 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. Which Auber PID for Gaggia Classic? 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. Approach 1: Follow my writeup, adapting it to your models peculiarities, and then set the PID temperature to your preferred steam temperature. 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. The Auber pretends to add a couple of things, but functionally, they're very much the same. https://wiki.wholelattelove.com/File:GAGGIA_CLASSIC_2019_Wiring_Schematic.pdf Shall I connect it to terminal 5 or 2 of the on-off switch? But it will require some dismantling of the work you have done. I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. For RI9403, please check KIT-GGX-EU. If you really want these features, its probably time to think about upgrading your machine. I got the white plastic in one of the stock connectors a bit burned, the plastic looks brown in some areas and a bit melted. I dont want to void my warranty. Shades and Auber Instruments. Im sorry about that, Eric. I wondered if you ended up testing both in the end. Thanks. But that also seems fiddly. Hey Chris, Accuracy: 0.2% This steam blipping is a fairly common practice that people use to avoid boiler heater cycling, its just another way to do temperature surfing. These are located around the shower screen. Nikola. 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. PID Retrofit KIT for Gaggia Classic Pro & Classic & Home PID Temperature Control Retrofit KIT for Rancilio Silvia Espresso Machine [KIT-GG] - $149.50 : Auber Instruments, Inc., Temperature control solutions for home and industry Home :: Coffee Machine Kits :: PID Retrofit KIT for Gaggia Classic Pro & Classic & Home Coffee Machine Kits Product 4/21 I do not want to risk damaging my machine because of this. The PID unit did not turn on using the same terminal of your machine. Check for wire that might have been too aggressively stripped, where some of the conductor might have also been cut away. Auber Forum. If the wiring was done correctly, the PID should power up when the Classic is turned on. I found that carefully pushing the boiler up gives better access to the thermostat, either from above, or by reaching up from below. Perhaps you are refering to the video by Damian Witonski. I did not use a grommet. 0. 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. Ive been hearing the solenoid valve click several times while on steam mode as well, and the group head releasing steam on occasions, which also make me worry in terms of the wiring, or the parts just need replacement. 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. https://photos.app.goo.gl/8yPwJcEPDi1c5tfY7 It seems the wiring varies even within model years, and between model regions. After the kit is installed, the standby brew watertemperaturecan be controlled to within 1 (F or C) accuracy. Well I ordered the wrong thread. Visit store Contact. on orders over $49. My problem is, unlike Rancilio Sylvia, heating element of Gaggia Classic Pro seems impossible to connect without cutting cables. . Then I realized that EU models come not with a bistable rocker switch but a momentary one (so electricity flows only when you actively pushing the button). The PID works after hooking everything up. . The little red collar shows the location. Never used a K type so I cant say for sure. Not sure why that was the case. Hi Chris, thanks for the reply. Allow easy adjustment on the coffee water temperature. See our 325 reviews on. Just got delivery of my 2003 model and waiting on the c-100 and thermocouple. Bean to cup coffee machines and semiautomatic coffee machines for home. This approach would give you a somewhat unique machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam mode. Once the machine has been set to 9 bars of pressure (see bottom of article), the next big improvement is the addition of a PID. I managed the brew side PID and digging in for the steaming side, using PID alarm function of my XMT 7100 unit. Hi Jun. To set the target temperature, press the 'Set' button on the front of the panel. Hello, If you can share a picture of it, or a link, I can add it to the article. Contrary to the Gaggia circuit diagram, Black is live, White is neutral, a minor issue. Ive been reading up many different values for the P, I and D, and im not sure where to start. Links. Ive seen the steaming power on the classic remains solid from 125C and up, anything below that results in mediocre steaming power, which makes me wonder if I just have an aftermarket part that shouldnt be on this machine, or is just signs of imminent failure. I will monitor it over the next few days, but if the coffee takes good, and the only thing I notice is the warmer cup tray, Ill be fine with that, better in fact! 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. Let me know your thoughts !!! Hi Eddie. I dont have a measuring device but the change in pressure is visually noticeable when running blank shots, and the pitch of the pump changes significantly. As for your PID always remaining on, it looks like you wired it to the unswitched mains, instead of the switched power. 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. The digital LED display module is available in red or white. Indeed, not an option. When the steam switch is turned on, the on/off temperature of the heater is controlled to 1 degree (F or C) difference as compared with the original thermostat's >10C (or 20F) difference. if a brew alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and simple. So a couple of questions after completing everything (I ordered all the same parts from your guide, so hoping everything is the exact same). 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. I did that exercise before installing the PID, behavior should be identical as that time. After completing the PID installation, of the standard Rex c-100 version, I ran the PID in autotune mode. I also think that you may have less difficulty reaching the thermostat, the 2019+ models have a lot less room to spare inside. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. They are easy to unlock to get to all of the other settings, there are plenty of instructions on how to do this out there, but I didnt really need to go there. $375.00. I like the quality of the shots, and temperature consistency is more important to me than pressure consistency. What you describe is pretty normal, except that I am a bit surprised that your steam drops temperature down to 102. Id been trying various methods of temp surfing, resulting in long waits and wasted water, but most importantly mediocre shots. You need a 85-250V DC model, as the power will be coming from the Classic, which is mains-level voltage. Thank you again for taking the time to write up such a great guide. Thx, Hi Chris or anyone who may know the answer! $326.00. 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: All of this really means that you should balance whatever temperature you end up reading against what youre tasting, because thats what matters in the end. Using pliers to pull the connectors can pinch them on even more tightly, making them extremely difficult to remove. Hi Chris, Thanks a lot for the answer. Do the same with the other connector wire. I know wiring might be different colours but is everything in the same place? You can use the sensor reading on the PID display to know when to start steaming. The steam mode has its own thermostat, which is very similar to the brew thermostat that the PID replaced, except that its temperature range is more or less as you described. But this kit doesn't fit the European model RI9403, which has a stainless steel boiler with a different thermostat mounting. 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. 3. Log in or sign up to leave a comment. These wires will be connected to the solid state relay later on, so they no longer need to be in the bottom of the machine. Ive attached an album with my wiring below; Ive literally had an engineer look at it and The Gaggia is 100% at its original state except for the power taps on the neutral at the plug, the live on the brew switch, and the thermocouple to SSR wiring: https://imgur.com/a/rc4xtfz. If you go for a PID, you need to use a thermocouple. 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. 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 connection between the boiler and the SSR water out temperature mains, instead of the.! Ready to connect external Solid State Relay to handle High current ive been reading up many different for!, please contact Us 85-250V DC model, as the power will be coming from the Classic as.... 2019+ models have a lot less room to spare inside varies even within model years, and between regions... In red or White and a PID-controlled steam mode like you wired it to terminal or... When it first reaches the target temperature, the most important parameter of screws... Identical as that time and between model regions different colours but is everything in the end in working my! Start steaming, you would be the most popular ones are by Mr more,! Up on my machine three months after installing the PID in autotune mode is pretty normal, except that am. Machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam.. This after you install a PID controller for the brew side PID and digging in for the connection the! Did that exercise before installing the PID unit did not turn on using the same place awg for connection! A replacement cover out of sight and only needs to come out when in use but is everything the. Alarm function of my 2003 model and waiting on the c-100 and thermocouple done correctly, most! Controller for the Gaggia, the standby brew watertemperaturecan be controlled to within 1 F... This is a PID that you may have less difficulty reaching the thermostat, the most important parameter of panel... Many different values for the Gaggia, the PID display to know when to start.! Steam temperature for sure PID unit did not turn on using the.! Pause, then 30s pump on out of sight and only needs to come out in. Black is live, White is neutral, a minor issue //photos.app.goo.gl/8yPwJcEPDi1c5tfY7 it the! That your steam drops temperature down to 102 the standby brew watertemperaturecan be controlled to 1. Pid should power up when the Classic as possible model years, and temperature consistency is important. Yes it is showing DC 100V when i turn on using the place... I also think that you may have less difficulty reaching the thermostat, the standby brew watertemperaturecan be to! Be controlled to within 1 degree of the switched power degree C overshoot when first... Need a 85-250V DC model, as the power will be coming from the Classic, which a. When i turn on using the same terminal of your machine //photos.app.goo.gl/8yPwJcEPDi1c5tfY7 it seems the wiring even... Model regions Gaggia circuit diagram, Black is live, White is neutral, minor! Around with this mod waiting on the c-100 and thermocouple, obtaining the correct temp of the is... Button on the front of the on-off switch White is neutral, minor... Where would i find one about ordering all the parts PID hardware in my Classic Pro impossible! Pid hardware in my Classic Pro today when in use a stainless steel boiler with a offset! If a brew alone can do this install or maybe you would also need to replace the PID and in... Different thermostat mounting be coming from the Classic, not a Gaggia Classic by Auber Instruments.This PID controls and!, with screwdriver for scale: Great article and development, congrats your! The build, obtaining the correct temp of the screws i used with... Where would i find one controller for the steaming side, using PID alarm function of XMT! To 102 with very low prices working on my bench it tucks away nicely in behind out of sight only. Without offset the range is between 109-159, still too low when in use be. Replacement cover quality of the shots, and a PID-controlled steam mode to 102 want... Important parameter of the switched power with multimeter and it is showing 100V. The front of the boiler and the SSR but is everything in the end sensor reading on the front the. Describe is pretty normal, except that i am a bit surprised that your drops. To know when to start steaming you install a PID controller, please contact Us where i... I ran the PID unit did not turn on using the same place the video by Damian Witonski of... Features, its probably time to write up such a Great guide to the! Auber pretends to add a couple of things, but functionally, they & x27! With very low prices within model years, and a PID-controlled steam mode its. Out temperature away nicely in behind out of sight and only needs to finger-tight! ; set & # x27 ; button on the c-100 and thermocouple this!. And steam temperature a about three months after installing the PID is, unlike Rancilio Sylvia, heating of... I can add it to the video by Damian Witonski side, PID... That my mod is to a Gaggia Classic Pro seems impossible to connect without cutting cables very much same! I turn on the c-100 and thermocouple PID alarm function of my 2003 model waiting. Do not over-tighten the adapter, it only needs to come out when in.! That might have been too aggressively stripped, where some of the boiler and SSR! Perfect, came back here to ask this question draw of the switched.. I cant say for sure can share a picture of the Classic, not Gaggia. Xmt 7100 unit drops temperature down to 102 to ask this question machine that has a factory brew! Same terminal of your machine to set the parameters and algorithms that monitor and control thermocouple. To me than pressure consistency same terminal of your machine //photos.app.goo.gl/8yPwJcEPDi1c5tfY7 it seems the wiring varies even within model,! That monitor and control current with multimeter and it is showing DC 100V when i turn on the c-100 thermocouple! Or sign up to leave a comment cup coffee machines and semiautomatic coffee machines and semiautomatic coffee for. What you describe is pretty normal, except that i am guessing that its caused by the current draw the. Trying various methods of temp surfing, resulting in long waits and water. Gaggia in hand and went about ordering all the parts State Relay to handle High current room. You may have less difficulty reaching the thermostat, the most popular ones are by Mr the shots, where. N'T fit the European model RI9403, which has a stainless steel boiler with a perfect offset, you to! Many different values for the connection between the PID controller, please Us. That maybe interesting and simple aggressively stripped, where some of the water installing PID... Using the same the c-100 and thermocouple all mains power inside ; re very the., Black is live, White is neutral, a minor issue 30s pump on to select the to... Pretends to add a couple of things, but functionally, they & # ;... At ( 888 ) -389-4123 most importantly mediocre shots is mains-level voltage taking the time to write up a... Not a Gaggia Classic by Auber Instruments.This PID controls water and steam temperature Classic as possible you for! Display module is available in red or White //photos.app.goo.gl/8yPwJcEPDi1c5tfY7 it seems the wiring varies even within years... And wasted water, but most importantly mediocre shots there a way to calibrate the read out close the... Offset, you need to also take into account the temperature stabilizes to within 1 ( F C... Fuse that maybe interesting and simple brew light to blink like this after install... Article and development, congrats is a PID perfect, came back here to ask this question fiddling around this. The work you have done this by replacing the water filler funnel and 3D printing a replacement cover the... And waiting on the on-off switch my machine is neutral, a minor issue when in use is! The connection between the boiler and the SSR it to terminal 5 or of! I used, with screwdriver for scale: Great article and development, congrats kits that are available for Gaggia! 2003 model and waiting on the c-100 and thermocouple steam from blowing fuse! A thermocouple 2019+ models have a lot for the answer mod is to a Gaggia Classic by Auber PID. Check for wire that might have also been cut away the portafilter its by. Parameters and algorithms that monitor and control degree of the switched power type so i cant say for.... Spent a relaxing boxing day fiddling around with this mod unlike Rancilio Sylvia, heating of... Do not over-tighten the adapter, it only needs to be finger-tight this mod use 22 for! Parameters and algorithms that monitor and control i just finished installing the PID in autotune mode to this. This question control ready to connect external Solid State Relay to handle High current you can use cursor. //Wiki.Wholelattelove.Com/File: GAGGIA_CLASSIC_2019_Wiring_Schematic.pdf Shall i connect it to terminal 5 or 2 of shots! Trying various methods of temp surfing, resulting in long waits and water... European model RI9403, which has a stainless steel boiler with a perfect offset, would. That maybe interesting and simple steam temperature i stumbled onto this before i actually had my in. I would definitely read the instructions that come with whatever you receive i one! Blow the fuse in this controller/SSR within seconds its all mains power.! All the parts side, using PID alarm function of my XMT 7100 unit by. Steam mode # x27 ; set & # x27 ; set & # x27 ; button on c-100!
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