The idea of the chassis becoming live doesnt bear thinking about. Based on several comments, the wiring varies between units, even though they are the same model. Its no secret that the chassis of the Classic has extremely sharp edges. $375.00. I went with an insulated PT100. It would be great to see how the machine is behaving without the PID, to get a baseline. Hi Chris. Somebody else (Andrue) had also pointed this error out. I still have one question you may be able to answer. 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. 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. 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. Hi Eddie. Pull the steam wand up and out of the Classic, and set it aside. That is indeed not normal. I wondered if you ended up testing both in the end. 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. I used the same controller ( XMT 7100 ) which Mr Shades is selling. 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. Just use a multimeter to find the switched mains, and you should be able to follow the thermostat wires. So a couple of questions after completing everything (I ordered all the same parts from your guide, so hoping everything is the exact same). Hello, there is another model without SSR built in with name 7100 instead of 7200. Be careful, the edges of the hole in the chassis are very sharp. The LED on the SSR is functioning but no current can be seen. Depending on the enclosure, you may need to insert the PID into the housing first. Hi Chris, What is your coffee bean dark or light? At a minimum, I think you would need the following: I dont see piggyback connectors on Mr Shades list, maybe those are part of the set of wires, but its not clear. Your email address will not be published. The thermocouple connects to terminals 6 and 7. To do this, loosen the nut connecting the steam wand to the steam control assembly. I am not surprised that the steam kit made little difference. Does this pid control both the group head water and steam wand? Greatly improved the taste and the consistency of brewed espresso shot. Yes it is normal for the brew light to blink like this after you install a PID. I had no problem with my mod other than the stickers on the back of the PID were reversed, so the terminal markings were not correct. There are several PID kits that are available for the Gaggia, the most popular ones are by Mr. 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. 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. If youre following a recipe that calls for a specific water temperature, then it would be easier to do this with an offset at the PID. The thermocouple that I ordered fit into the threaded adapter without any modifications. I have briefly thought about pre-infusion but the REX C-100 is not capable of this. CONCLUSION! Hi Miguel. I would not make it without you. Steam will still be controlled by the steam thermostat. Thread in the M4 thermocouple adapter in the place of the thermostat. I can actually taste the sweetness for the first time. Update:This kit is compatible with the latestGaggia Classic Pro (released in 2018/2019) models, including the regular version (RI9380, 120V, or 240V) and the European version (RI9480, 240V). This way you are not losing any pressure via the solenoid valve, you are just reducing the initial pressure to the puck by venting some of it through the steam wand. The C-100 will fit in vertically, with the screen facing up. There are other resources online as well. Maybe this will help? Our provided installation manual is based on the Gaggia Classic 2016 (model# RI9403/11). 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, . Applications 3 months later, Ive finally set up the PID and honestly, its a gamechanger! Or do you think the same set will work with QB-T7100? People are reporting a difference of up to 24 deg F / 13 deg C between the PID/thermocouple and the water temp. The factory settings have been working well for me, aside from a ~5 degree C overshoot when it first reaches the target temperature. $285.00. Please see our Help Center's. Auber Instruments PID Kit for Gaggia Classic. Let me know your thoughts !!! shades uses 2 connecting one ssr thru the other for steam. The REX-C100 should work out of the box, set for heating mode, with alarms disabled, and units set to Celsius. 3-Connect the other cable to the terminal on the on off switch, which is on top of or below the Live cable. Im sorry about that, Eric. Your wiring looks right. Double sided tape will work. Which Auber PID for Gaggia Classic? 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. Hello Chris, Hi Brian. The way I wired the PID leaves it powered on as long as the main power switch is on. The listing shows both M3 and M4 options, and I typed the first one when I wrote the article. I 37 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. 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. Select the preferred temperature unit so that all parameters are pre-set properly for you. 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? Unfortunately, no, you cant use the factory sensor. 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. . I was initially concerned about my wiring (and my GFI) but its reassuring to hear you have the same side effects. Thats what Auber and Shades use, although they make their own. For those interested I just bought a cheap ($13) K-type thermocouple and thermometer (TM-902C) https://www.ebay.com.au/itm/224710871179. The on/off temperature can be adjusted by the user. Gaggia Classic Coffee Machine Modelo 3D TurboSquid 1036412. I then thought what if? and decided to change the mains wires to the opposite terminals. Display: Dual display for Fahrenheit(F) and Celsius(C) 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. Fortunately, no damage done, and you can easily revert your changes. excluding VAT. 100% Positive Feedback. Do you have any diagram of the wiringi cant understand how to switch on the steam circuit so the second SSR would not try to heat the boiler in parallel. I was like WTF. Even with a perfect offset, you would also need to also take into account the temperature offset between the boiler and the portafilter. 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. From what I gather, youre located in the lower mainland (B.C.)? This wont be enough for the boiler heating element. Bliss. I bought the same parts as you have reccomended in the article but have run into the issue that the thermocouple is too large to fit into the adapter (theyre approx the same OD). I strongly suggest checking which switch terminal switches the mains. I am now waiting for my PID unit and thermocouple with M4 head to arrive this week. it is basically removing the main pump wire and re routing back to the PWM out. The two mains wires connect to terminals 1 and 2 (starting counter-clockwise from top-left). Although this is optional, it is difficult to access the power switch to tap power for the PID, and it is almost impossible to reach the thermostat without moving the boiler, and the boiler cant be moved unless the steam wand is removed. You can verify the SSR by disconnecting its AC terminals and checking that it is indeed turning on and off. 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 is really converting the mains voltage to 12VDC both for its internal operation and to drive the SSR, so the PIDs draw is quite small. Other than that mine was a fairly straightforward procedure with no trouble at all. Can the PID be put inside the machine or does size constraints and/or heat negate that option? 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. Started by Rocky47, June 28, 2019, 01:16:33 PM. Posted by 4 years ago. I am going into speculation mode here I wonder if your Gaggia came with the steam and brew thermostat positions reversed? Hi Chris, i noticed you used the K type thermocouple with the M4. Unblocking Solenoid Valve-Classic and Baby. The fun of the PID is not just the great stability, but the ability to fine tune the brew temperature to your taste! The default target temperature on the PID will almost certainly not be correct. I know wiring might be different colours but is everything in the same place? Or is the only power available from the mains? Hey Chris, Im wanting to put the pid into an extended 3d printed driptray. Hi Murat. PID KIT for Gaggia Classic Pro 2018+ & Classic & Home, Pre-infusion $209.99. Which one shall we buy? There are four buttons on the front: SET, run-program, up-arrow, down-arrow. 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. If in doubt, sit it out, and get some help. . With this tight temperature control, you do not have to surf the temperature for frothing because the heater will kick on much sooner than the original thermostat. Thermocouple included: M6*1 thread , K type , 2m cable This approach would give you a somewhat unique machine that has a factory thermostat-controlled brew mode, and a PID-controlled steam mode. 4.8. Previous topic - Next topic. 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