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< Synesso Brew Boiler >


● The control must detect a temperature one increment (0.5°F on original machines, or 0.1°F on current machines) above the set point before it sends a signal to turn off the heating element. This will allow the electronics to show a reading just above the set point. The energy from the heating element and the tube for the preheated incoming water are within 1” (25mm) from the location of the temperature probe in the brew tank.

The pick up tube for brew water is at the top of the brew group and is in the most temperature stable water in the tank. The readout can show a temperature of a few degrees above your set point, but your brew water is actually at the set point. 




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<Temperature probe>


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< 2 legs Heat Element and Probe >


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< water inlet pipe >


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Line 1 indicates that you are now in the Brew Group 1 Offset screen.
Line 2 indicates the actual water temperature at the selected brew group’s temperature probe as it is maintaining your Set Temperature.
Line 3 represents the actual temperature reading of water flow through the puck.
Line 4 indicates the temperature adjustment made at the Synesso™ factory, in order to create the exact temperature desired at the puck.

Puck Temperature on line 3 is determined at the factory, according to the standard Synesso™ testing method. Adjustment to this setting is not recommended without thorough testing.


The Synesso™ testing method is as follows:

Using a bottomless portafilter, dose out 16-18 grams of coffee into a 14 gram basket with a thermal probe inserted 1/8th of an inch from the surface and in the middle of the puck, packing and tamping the grounds in the basket as usual.

The thermal probe is then wired to a FLUKE thermometer to relay the actual temperature of the water flowing through the puck while pouring a 2 ounce shot. This process is repeated a minimum of 3 times per brew group in order to get the most accurate reading.



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참 심플하면서도, 아름답고 견고하게 잘 설계된 머신과 그룹헤드. 에스프레소의 실추출환경을 고려한 열역학, 유체역학 등등. 작은 그룹헤드 안에서 일어나는 여러가지 상황들을 전자파트와 병행해서 잘 만들어 놓은 듯. 


G/S 시리즈의 장점만 두고, 여러 단점(정교성)을 위해 정말 세밀하게 잘 만들어뒀다는 느낌. 가장 간편한 G/S 구조를 거의 유지한채 좀 더 Precision 한 접근으로 만들어낸 가장 심플한 accuracy 의 구현이라 개인적인 취향으로 마음에 든다. La Marzocco 와는 반대의 offset 치를 가지고 있다는 점이 재미있는, 그리고 좀 더 프로페셔널 한 사용자를 위한 프로그램 UI 도 흥미롭다. 






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대한민국 No.1 커피 미디어 "블랙워터이슈" 입니다.
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