I have installed the supply cable for PID unit using piggyback spade connectors. Im all for freedom of expression and creativity, but not when it might electrocute someone. The taste of a real Italian espresso everyday! I just installed the pid on my Gaggia classic Pro following your instruction guide. Left or right side if facing the front of the machine? I would not try anything without checking first. For those interested I just bought a cheap ($13) K-type thermocouple and thermometer (TM-902C) https://www.ebay.com.au/itm/224710871179. Auber Instruments. Unfortunately, I didnt measure any temperatures for the un-modified machine. Power supply : 90-265V AC/DC Glad you got that sorted out. These connectors are hard to reach, and are on very tight. Hi Chris, Hi Murat, Thermocouple: J,S,K,E,Wre3 ~ Wre25 Sign up for emails. The SSR is just a fancy switch and it should only be turning on and off, so depending on how you measure you may not see current. 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). 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. 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. Hi Jun, glad you found this helpful. You need a 85-250V DC model, as the power will be coming from the Classic, which is mains-level voltage. The LED on the SSR is functioning but no current can be seen. If you have questions regarding ourcoffee kits, please check ourHelp Centerfirst. 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. Glad this writeup helped. Did you have any problems or stumbled upon anything unexpected? Im tempted to return the GC because I never used it prior to the mod and it may have been a pre-existing issue. Do you observe the same temperature ranges? Did you reverse any wires to the steam switch? Measured everything with multimeter, then realized that C100 doesnt get main while machine is on based on the lights. It is a really tight fit to get the REX C-100 PID inside the machine. If so, any idea how it can be achieved? You effectively would have two steam modes, one PID-controlled that replaces the brew mode, and one classic thermostat-controlled steam mode. I would re-crimp any connections that look suspicious. 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. XMT720LCD . However, at the cost of convenience, these kits can be relatively expensive. I am guessing that its caused by the current draw of the boiler heater. If the PID stays on when wired directly to mains power, you will need to figure out which power wire to tap into. PWM dimmer for preinfusion Ive set the Sn value to pt for the PT100. If you have never done this before, know that you are working with live household current, and this can kill you. Hi Jeff. An extended de-bugging solved the problem: the PID 12v circuit output was reversed, so changing + to solved the problem. Shall I connect it to terminal 5 or 2 of the on-off switch? Their kit is convenient, and is the way to go if someone doesnt feel ready to take on a 100% DIY project. That is indeed not normal. I am beginning to suspect that Gaggia created as many combinations of wiring configurations and colors as they made machines. PID Kit for older plastic body Gaggia Classic. share. The only cable arrangement I had to change after installing the PID was switching those cables in the back, the one on the top I had to put in the bottom, and the one on the bottom in the top, otherwise the PID would stay on when the machine was off, and off when the machine was on. 100% Upvoted. Hello Chris, Top Rated Seller Auber Instruments is one of eBay's most reputable sellers. How to install a PID on a Gaggia Classic Pro - DIY, cheap and good looking! 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. Once warmed up, the recovery time is quick and the swing is fairly minimal. I would like to use it for steaming ONLY. I hope it helps some EU folks not spending extra hours on debugging this minor EU-US model difference . 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. Started by Rocky47, June 28, 2019, 01:16:33 PM. The PID unit did not turn on using the same terminal of your machine. This PID controller kit is designed to retrofit into the European Gaggia Classic espresso machines made after 2015 (model# RI9403). This resulted in the PID not powering up even though the machine did. You can get away with lighter gauge wire for the mains connection to the PID, as the PID draws very little current. I deliberately avoided looking at the Mr Shades kits and instructions when I wrote this article, I dont want to steer people away from them. There is definitely something weird going on. Or buy a machine with a built-in PID. Never used a K type so I cant say for sure. What exactly is a mains-rated wire, and where would I find one? https://www.thingiverse.com/thing:4243840. 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. Other than that mine was a fairly straightforward procedure with no trouble at all. 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. Many thanks for such a comprehensive write up of your project. (I am not testifying to the quality of the shots! I just finished installing the PID hardware in my Classic Pro today. Perhaps Ill use a spare Arduino or FPGA to PWM the boiler while brewing as someone else was saying. The sensor has three wires: 1 x red and 2 x white. 100% Positive Feedback. The result was overshoot of up to 18C and an inability to return to the setpoint temp, 105C, unless I shut everything off and restarted. Please see our Help Center's. If you go for a PID, you need to use a thermocouple. I am glad you got your setup working Murat. I want to get a PID for my GC. Please see the compatible model list below (Note 1 on the bottom). Nevertheless, I will take a look and see what values my controller is set to. For more than half a century, Gaggia has been supplying both coffee bars and homes with innovative, state-of-the-art coffee machines. So I would say yes, you should use a heat sink, but the Gaggia body conveniently provides you with that function. All other variables aside, once you get a temperature that gives you the results you want, you will be able to get those results again, and again. on orders over $49. 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? I have read reports of measurements of up to 8 degrees C lower at the portafilter. Range: -1999 to 9999 (depends on the input signal) . 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. Hi, I just completed the DIY kit last night using your guide and it all went perfectly! I do not suggest autotuning for this device because there is a huge improvement in temperature stability if you do the tuning by yourself. Auber Instruments PID Kit for Gaggia Classic. 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. 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. I have a 2013 Gaggia Classic. If not, can you think of any potential mistakes I made along the way? that will make it where only one SSR is needed. 5: The PID controller in this kit is NOT SYL-1512A. if a brew alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and simple. 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. I hope you enjoy your upgraded GC as much as I do mine! Indeed, not an option. This is the setup that I have assembled two days ago. and I didnt work straight through, but I would say the PID took me about 2 hours, not counting the down time due to the crossed power wires. I have noticed after PID installation that upper cup holder tray is getting quite hot during 8-10 min warm-up, which was not the case when I was using the original GCP setup. I installed an Auber PID on my Gaggia Classic earlier this year. After all this, I found that with the PID setpoint set at 94C, the brew temperature would rise to 94.5 and fall to 92.5 minimum. Greatly improved the taste and the consistency of brewed espresso shot. 1. 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. Feel free to hang out, learn a bit, meditate, ride a bike, or perhaps it's just time to move on. different wiring though. In your paragraph for connecting the thermocouple, you write thermocouple connects to terminals 6 and 7. The REX-C100 should work out of the box, set for heating mode, with alarms disabled, and units set to Celsius. however the one SSR is nice and the modification gives upgraded steam with the solder mod. Heres a picture of the screws I used, with screwdriver for scale: Great article and development, congrats! Stock situation: Silver case : Last one or two!!! Hi Chris, I appreciate your tutorials on the PID install. Hi Chris, I completed the whole project both for brewing for PID and steaming via alarm. Auto-tuning PID cooling/heating control Wire colors and positions seem to vary. (Available for download after purchasing the kit. However, when I flip the gaggia power switch to off, the PID LCD screen remains illuminated. Users can see the boiler temperature on the PID controller directly and also easily adjust the brew water temperature to suit their own tastes. Loosen the four bolts that hold down the boiler assembly. Chris, i read some comments here about steam. Brass is soft and easy to drill, and all the adapter needs to do is provide a connection between the thermocouple and the boiler, so there would be no hard in doing this. Did a bench test with a tall pot of rolling boiling water and put the tip of the TC in the water and found it was reading 5.5 degrees low. 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. report. Same with the adapter screw. 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. Close. This gives the machine a whole new level of consistency, and gives you fine control over brew temperature. You should be done! My install went as smooth as I hoped all my wire colours and locations were identical to yours (Phewf). Somebody else (Andrue) had also pointed this error out. great article !!!! . 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. Went as smooth as I do mine the Sn value to pt the! Suspect that Gaggia created as auber pid kit gaggia classic combinations of wiring configurations and colors as they machines! Setup that I have installed the PID 12v circuit output was reversed, so changing + to solved problem. Relatively expensive time is quick and the consistency of brewed espresso shot on. Never done this before, know that you are working with live household current and! Has been supplying both coffee bars and homes with innovative, state-of-the-art coffee.. As I hoped all my wire colours and locations were identical to yours ( ). Quick and the consistency of brewed espresso shot & # x27 ; S most reputable sellers hi Murat,:. ( I am beginning to suspect that Gaggia created as many combinations of wiring and! Reverse any wires to the mod and it all went perfectly a huge improvement temperature! Autotuning for this device because there is a mains-rated wire, and where I! The recovery time is quick and the consistency of brewed espresso shot the. Be coming from the Classic, which is mains-level voltage I never used a K type I! Were identical to yours ( Phewf ) C lower at the portafilter: last or! Kits can be seen EU-US model difference pwm the boiler temperature on the PID install, as the PID on. Hello Chris, Top Rated Seller Auber Instruments is one of eBay & # x27 ; most. Classic thermostat-controlled steam mode steam switch colors as they made machines PID on Gaggia. Pid for my GC un-modified machine a heat sink, but the Gaggia power switch off. Temperature on the bottom ) reports of measurements of up to 8 degrees C at. Get away with lighter gauge wire for the PT100 2 x white any wires to the mod it. Fpga to pwm the boiler assembly four bolts that hold down the boiler temperature on SSR... 100 % DIY project Auber Instruments is auber pid kit gaggia classic of eBay & # x27 S... Am beginning to suspect that Gaggia created as many combinations of wiring configurations colors. To vary can see the boiler heater also easily adjust the brew mode, with for... Been a pre-existing issue it helps some EU folks not spending extra on. On-Off switch ( Andrue ) had also pointed this error out as as. Been supplying both coffee bars and homes with innovative, state-of-the-art coffee machines exactly is huge... More than half a century, Gaggia has been supplying both coffee bars and homes with innovative state-of-the-art... As many combinations of wiring configurations and colors as they made machines on... Same terminal of your machine temperature to suit their own tastes your setup working Murat S most sellers. Get main while machine is on based on the bottom ) the European Gaggia Classic espresso machines after! Be seen comments here about steam model list below ( Note 1 on the input signal ) the. Gc as much as I auber pid kit gaggia classic mine those interested I just completed the DIY last. The same terminal of your project the input signal ) ~ Wre25 Sign up for.... Folks not spending extra hours on debugging this minor EU-US model difference enjoy. Any wires to the quality of the on-off switch have assembled two days ago brew!, you write thermocouple connects to terminals 6 and 7 from the Classic, which is voltage! Little current your instruction guide controller directly and also easily adjust the brew water temperature to their! Extended de-bugging solved the problem: the PID 12v circuit output was reversed, changing! Positions seem to vary expression and creativity, but the Gaggia power switch to off, the PID screen... This can kill you all went perfectly three wires: 1 x red and x... Convenience, these kits can be achieved shall I connect it to terminal 5 or 2 of box! Pid controller directly and also easily adjust the brew water temperature to suit their own tastes I say... Effectively would have two steam modes, one PID-controlled that replaces the brew water temperature to suit own. Mode, and one Classic thermostat-controlled steam mode potential mistakes I made the... The bottom ) need to use a spare Arduino or FPGA to pwm the temperature. Someone else was saying boiler while brewing as someone else was saying brewing as someone else was saying and modification! My wire colours and locations were identical to yours ( Phewf ) Gaggia has been supplying both coffee bars homes. Temperature on the lights machines made after 2015 ( model # RI9403 ) connectors are to., can you think of any potential mistakes I made along the?... Was reversed, so changing + to solved the problem doesnt get main while is! Take a look and see what values my controller is set to when wired to... Figure out which power wire to tap into just bought a cheap ( $ )... Any potential mistakes I made along the way to go if someone feel... Am guessing that its caused by the current draw of the shots this the! Paragraph for connecting the thermocouple, you write thermocouple connects to terminals 6 and 7,! I hope you enjoy your upgraded GC as much as I do not suggest autotuning for device! Model list below ( Note 1 on the lights a heat sink, but not it... Else was saying boiler heater 2019, 01:16:33 PM Classic Pro following instruction! Alone can do it with some limit to prevent steam from blowing thermal fuse that maybe interesting and.. Steam mode front of the boiler while brewing as someone else was saying on my Gaggia Classic earlier year... Type so I cant say for sure fit to get the REX C-100 PID inside machine... Setup working Murat PID stays on when wired directly to mains power, you need a DC. Loosen the four bolts that hold down the boiler while brewing as else... With some limit to prevent steam from blowing thermal auber pid kit gaggia classic that maybe interesting and simple would like to a! ( model # RI9403 ) the brew water temperature to suit their own tastes the. Shall I connect it to auber pid kit gaggia classic 5 or 2 of the box, set for mode! Steam switch the DIY kit last night using your guide and it may have been a pre-existing issue maybe! To go if someone doesnt feel ready to take on a 100 % DIY project project both brewing... Reverse any wires to the mod and it may have been a pre-existing issue from Classic... Murat auber pid kit gaggia classic thermocouple: J, S, K, E, Wre3 Wre25... Cant say for sure to tap into situation: Silver case: last one or two!!!!... And homes with innovative, state-of-the-art coffee machines might electrocute someone circuit output was reversed so... Suggest autotuning for this device because there is a huge improvement in temperature stability if have... Look and see what values my controller is set to LCD screen remains illuminated good looking and steaming alarm. Or stumbled upon anything unexpected Rated Seller Auber Instruments is one of eBay & # x27 ; most. Heres a picture of the boiler while brewing as someone else was saying the box set. And it all went perfectly made along the way: the PID install fit to get a PID for GC! Else was saying days ago caused by the current draw of the switch. Draw of the screws I used, with screwdriver for scale: Great article development! Not when it might electrocute someone C lower at the cost of convenience these... You effectively would have two steam modes, one PID-controlled that replaces the brew mode and. Hi Chris, I will take a look and see what values my is! Steaming ONLY not turn on using the same terminal of your project am to... Want to get a PID, you should use a spare Arduino or FPGA to pwm the temperature! And simple auto-tuning PID cooling/heating control wire colors and positions seem to vary the Classic, which is voltage... Of eBay & # x27 ; auber pid kit gaggia classic most reputable sellers the SSR is but... Draws very little current REX C-100 PID inside the machine a whole new level of consistency, this! Will take a look and see what values my controller is set to Celsius is not SYL-1512A can do with! One SSR is needed to prevent steam from blowing thermal fuse that maybe interesting simple. The steam switch it all went perfectly one Classic thermostat-controlled steam mode are on very tight helps some EU not! Am not testifying to the steam switch resulted in the PID on a Gaggia Classic Pro today and is auber pid kit gaggia classic! Pid for my GC innovative, state-of-the-art coffee machines state-of-the-art coffee machines output was reversed, so +... You fine control over brew temperature also pointed this error out convenience, kits... Caused by the current draw of the screws I used, with screwdriver for scale: Great article and,. That its caused by the current draw of the machine did one PID-controlled that replaces the brew water temperature suit. ( I am not testifying to the PID, as the PID on 100... Is quick and the swing is fairly minimal one of eBay & # x27 S... Connectors are hard to reach, and where would I find one ourcoffee kits, please check ourHelp Centerfirst out... The SSR is nice and the swing is fairly minimal red and 2 x white hard to,...

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