For sale one like practically brand-new Gaggia Classic Espresso equipment. From the factory, the GC has two thermostats, one for brew, which the thermocouple + PID + SSR replaces, and one for steam, which stays untouched. Maybe this could serve instead of trying to find an M4 thermocouple. 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. Please contact us if any questions. 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. 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. I think one of either is the one which Shades of Coffee is using. 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. https://www.amazon.com/gp/product/B00LODGP2E/ref=ppx_yo_dt_b_asin_image_o05_s00?ie=UTF8&psc=1, BOX Hi Chris. So you could measure water temp at the group head at 180 deg F with the PID set to 204 deg F. There is some interesting information here: https://coffeeforums.co.uk/topic/53319-what-temp-offset-are-you-using-with-your-pid/. 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. It should be the power/mains line that comes out of the main power switch, but before the boiler. The PID will show the temperature, and be somewhat confused by its inability to reach its setpoint, however the PID is bypassed in the same way when the GCP is in steam mode. Two different colors of the controller box are offered, silver and black. Perhaps you are refering to the video by Damian Witonski. I am beginning to suspect that Gaggia created as many combinations of wiring configurations and colors as they made machines. It doesnt matter which mains terminal is connected to hot and which one is connected to neutral. I am not sure exactly what you did when you moved the wires terminating on the bottom of the power switch. 7. 4.8. May I have your help about finding out which ones I should get from Shades? Im assuming it should be fine as well to use 18 awg wire to wire the mains connections to the PID, and between the heating element and the SSR? It did take a few rounds to get it right, but it was successfully installed and functioning for a few months. Hi Brian. 40A SSR Solid state relay included Its no secret that the chassis of the Classic has extremely sharp edges. Would you be able to post starting values for the PID kit please? I also think that you may have less difficulty reaching the thermostat, the 2019+ models have a lot less room to spare inside. 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. Was hoping to actually just install one of these: https://www.ebay.com.au/itm/264849127538 Other than that mine was a fairly straightforward procedure with no trouble at all. 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). Hi David. The PID switches the power to the boiler heating element on and off a lot more frequently than the original mechanical thermostat. It would also be a bit of a weird machine, but this approach wouldnt require any mods or re-setting of temperatures to use the machine to brew. Consult the instructions that came with your PID to make sure. https://photos.app.goo.gl/Xp37S3o3y6bqqrEk8 I think Mr Shades has managed to do this using only cables because I dont think he instructs anything to void the warranty. Do the same with the other connector wire. . It will depend on the beans you use, and your palate. 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. Leave this cable longer than needed for now, it will be trimmed and terminated later. Thanks for your reply: I think you are correct about the Gc being stuck in steam mode, but I never touched the steam switchs wires and reverting the top/bottom swap on the power switch didnt solve the issue. When I say old, it is still unused new in the box. Approach 1: Follow my writeup, adapting it to your models peculiarities, and then set the PID temperature to your preferred steam temperature. Brilliant article. This will give the REX-C100 enough time to auto-tune its PID settings for the boiler. Thank you for making it. Chris thank you so much. Nevertheless, it will take some time to get it and make a change of the temperature sensor. You should now have two mains wires, two 12 volt wires, and the shielded thermocouple wire running out of the back of the Classic. 100% Upvoted. Hi Murat. I havent lowered brew pressure to 9 Bars yet so perhaps changing that would level out my pump pressures? Here are a couple of examples: Hi Chris, Hi Chris, 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. Do you think this makes difference? In mine, correct terminal was crosswise of yours. Users needto disable the parameter Tp, Td, and only useTb as a shot timer to pump a specific time. The PID will be more or less bypassed when the steam switch is on, it will just stop trying to heat because the boiler will be over the PIDs target temperature. Plug in a mains-rated cable connected to a piggyback spade connector, and then plug the original switched mains cable into the piggyback. It has worked without issue so far, and maybe thats bound to happen to the plastic as current goes through and it gets old, but would love to hear other opinions. LED display color. Thanks. You would need to put the boiler heater element between the controller terminals 2 and 3. This kit has a pre-infusion timer. European model Gaggia Classic 2015 (RI9403, 240V) is NOT compatible. Always double-check your specific models wiring terminal layout and numbering scheme. Im all for freedom of expression and creativity, but not when it might electrocute someone. 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. The best simple info I found was a table that summarized what INCREASING each of the PID parameters would do: which I used to adjust my settings. I tested the current with multimeter and it is showing DC 100V when I turn on the on-off switch. The LED on the SSR is functioning but no current can be seen. Thanks! Hi Jun. I recently acquired a Gaggia Classic with an Auber PID controller installed. I dont own a multimeter. When the pump runs, it vibrates the chassis and it will be a matter of time before it cuts through the wiring insulation. After completing the PID installation, of the standard Rex c-100 version, I ran the PID in autotune mode. Using pliers to pull the connectors can pinch them on even more tightly, making them extremely difficult to remove. Hi Eddie. It shows that neutral cables coming from thermostats are connecting each other under the steam switch but mine are connected under the main switch. This morning I pulled my first shot with the PID. Pull the steam wand up and out of the Classic, and set it aside. Im tempted to return the GC because I never used it prior to the mod and it may have been a pre-existing issue. Read More. For more than half a century, Gaggia has been supplying both coffee bars and homes with innovative, state-of-the-art coffee machines. Hi Jimmy. 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. As for you steam mode question, if you followed this guide for installing your PID, the PID will have no effect on the the steam temperatures or functions. PID Retrofit KIT for Gaggia Classic European Model RI9403 [KIT-GGX-EU] Auber Instruments, Temperature control solutions for home and industry. I had to manually enable autotuning on my REX-C100 and i dont know if other values are screwed up or if its something else, since it really does seem like the boiler is getting power in bypass of whatever the PID is doing. it does not matter if the bean is dark or light roast? It is still showing the M4 screw as the Crossed out/wrong one, and can be a bit confusing. This kit doesn't control the steam temperature nor has the pre-infusion function. Upgrade your Gaggia Classic with the Auber Instruments PID Kit for Gaggia. If the wiring was done correctly, the PID should power up when the Classic is turned on. Thanks for your time. As for your PID always remaining on, it looks like you wired it to the unswitched mains, instead of the switched power. That would be easy enough to verify with a multimeter, to see which thermostat is active in steam mode and which one is active in brew mode. 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. Pre-infusion is achieved by pumping a small amount of water into the coffee, holding off the pump for a second to let the water soak in, then starting pumping for25 seconds. Tap the switched hot/load mains power: disconnect the lower left-hand (if facing the front of the machine) wire from the power switch. Contrary to the Gaggia circuit diagram, Black is live, White is neutral, a minor issue. To be clear, a PID can increases the likelihood of a consistent starting temperature. Hi Chris, From what I have read, the PID with the additional steam mode option does not improve things much. After the kit is installed, the standby brew watertemperaturecan be controlled to within 1 (F or C) accuracy. SKU: N/A Category: Accessories,Espresso Machines Tags: -GG-CLASSIC-PCB, $100-$300, $200-$300, 12annivexcluded, 13tierexcl, 300-600, Accessories, auber-instruments, gaggia, obalist, SA-GG-CLASSIC-P, SA-GG-CLASSIC-PCR, . The kit installation is fully reversible. 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. Does anyone else have this kit? Do you know how to do this? brew thermostate. Chris, i read some comments here about steam. Im on [emailprotected] Otherwise, as I said in instructions above, to set the brew temperature, press the Set button on the front of the panel. I would like to use it for steaming ONLY. This prevents the high-pressure water from contacting the dry coffee powder which can create afast flow channel, ruiningthe brewing process. Universal Input: Thermo Resistor: PT100, Cu50 . This approach would make your machine a bit weird to someone who wasnt aware of what you did, as the brew function would be completely unusable without adjusting the temperature. . 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). I installed an Auber PID on my Gaggia Classic earlier this year. Shades. I am glad you got your setup working Murat. Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. have you had any issues with the k type or have heard of this? Supposed to be faster in detecting temperature changes and more accurate with the measurement. Hi Chris or anyone who may know the answer! XMT720LCD . Monday - Friday: 10am - 4:30pm. Hello Chris, Id been trying various methods of temp surfing, resulting in long waits and wasted water, but most importantly mediocre shots. under the name replacement PID kit parts with very low prices. Its not hard if you know what you are doing and there is at least one youtube vid showing how its done. Gaggia Babila. on orders over $49. Its stimulated a lot of interesting discussion! Youre giving up one of the two temperature readouts, so youll probably only see the actual temperature, as opposed to the target temperature, and I guess you can switch between the two with a button press. it works better than poor mans preinfusion described by wholelatte love & Lance in the youtube. And anything is going to be a huge improvement over the thermostat that the PID replaces. Thats an awesome enclosure. When I started steaming at that point thermostat never shut down the boiler because temperature did not reach to limit of thermostat. 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