This PID controller kit is built with perfecting a single-boiler machine in mind. With the addition of steam temperature control and an extraction timer that can be programmed with pre-infusion, this PID can turn your Rancilio Silvia into a professionally consistent machine. The pre-infusion functionality injects water directly into the espresso grinds to saturate the coffee before actual extraction, ensuring far less variance when the pump flings into full motion.
The steam temperature control allows the boiler temperature to be held between a tighter range during frothing. User operation is the same as regular machine, so there isn't a lot of extra fiddling to figure this PID out. The added consistency is a welcome change, as the most common complaint we hear from Silvia owners is a lack of this consistency.
This kit fits all Silvia models, including the model made after 2009. However, if you have a model V1 or V2 made between 2000 and July 2006, the PID with screw sensor offers better performance.
Please be aware that installing this on your Silvia will void any existing warranties.
How the PID Retrofit Kit Works
Pre-infusion is achieved by pumping a small amount of water into the coffee grinds, then activating the pump for extraction following a few second delay. This will prevent abrupt high pressure on the coffee grinds that can create inconsistency. Overall, this unit takes quite a bit of the guesswork out of the process.
- The extraction timer contains three segments: pre-infusion, soak, and brew. Each segment can be set with only .1 second variation.
- When the ">" key is pressed, the controller starts the brewing sequence automatically.
- The pump can be stopped at any time by pressing the ">" key a second time. This feature allows you to operate the brew pump manually, with the timer as a reference. User can also bypass the timer to use switch on the machine for manual controlling the brewing process.
- The steam temperature control allows the boiler temperature to be held at tighter range during frothing.
- User operation is the same as regular machine; no extra buttons are needed for frothing. When the steam switch is turned on, the on/off temperature of the heater is controlled with 1 degree (F or C), as compared with original thermostat's >10°C (or 20°F).
- With this level of temperature control, you will no longer need to surf the temperature for frothing, because the heater will kick on much sooner than the original thermostat. The on/off temperature can also be adjusted by the user.
|How Does it Compare?||
Easier on the eyes, this PID now features white digits as opposed to the original red.
|Product Weight (lbs.)||0.6000|
Ask a Question
I have the pid installed on My Silvia and have thought about the pre-infusion.. Since I primary doing single shots with about 12g for each shot, what pre-infusion time is recomended? And what soak time?
I beleive default setting is for a double shot. Concider it was a bit too long..
User Manuals for your Rancilio Silvia Espresso Machine
Instructions for your PID
Articles Featuring the Rancilio Silvia Espresso Machine
Videos Featuring the Rancilio Silvia Espresso Machine
- Well worth itReview by T Brady
Quality Price Value
- A must-have if you're already spending $$$ with the SilviaReview by A. Da Costa
Quality Price Value
A couple of negatives about the PID though:
1- It comes with instructions on how to change it to Celsius, which I did. The problem is that the temperature thresholds (brew and steam set points) do not convert units automatically. This is a great design flaw in my opinion. You could actually burn your heating element if you don't notice it right away. The default set point for brew is 221, which is fine for Fahrenheit, but once you change the units to Celsius, it'll try and heat your boiler to 221 C, which is 430 F!!! You also need to change the steam temperatures (two settings, on/off). The instructions don't mention anything about this.
2- It comes with the option to set a pre-infusion time. Do not use pre-infusion or it'll produce a worse shot. I checked out the electrical diagram on Auber's website and now I understand what the problem is. The way the relay used to control the pump is hooked up is such that the 3-way solenoid valve is also switched to absorb over-pressure from the brew head once the pump stops. In other words, after a few seconds of pre-infusion, the pump will stop for the delay before the full shot and all the delicious crema that's starting to form in your portafilter will be sucked out to your drip tray!!! Design flaw! They should have used a separate relay for the solenoid valve so that it only sucks the moisture out of your portafilter when you finish pulling the shot, and not during your wait-time after the pre-infusion. (Posted on 11/16/2014)