Display is at 96 Sent from my iPhone
> On Nov 13, 2020, at 10:22 AM, James Williamson <[email protected]> > wrote: > > Well it was almost a miracle. A little water returned in the steam briefly > once I started pulling shots out of the brew head. Tap continuing to work at > temp. Might be overall temp too low? I can work around water by just ring > stem wand longer til it goes the steam. How do I increase overall temp? > > Sent from my iPhone > >>> On Nov 13, 2020, at 10:14 AM, James Mitchell <[email protected]> wrote: >>> >> >> Cool that this worked - but no, not really - miracles happen when >> superstition defeats physics. >> >> This was just simple, crude physics realizing that water doesn't compress >> like steam. >> >> The Brewtus has exceeded our expectations - with minor E61 tweaking and >> fresh thermal grease on the thermocouple - it gives consistently tasty pours >> from commercial beans, which is an inspiration to haul out the Gene Coffee >> and resume roasting again. >> >> Cheers >> Jim >> >> >> >> >> >> >> >> >> Water is infinitely less compressible than steam - just given it an escape >> route. >> >>> On Fri, Nov 13, 2020, 12:43 James Williamson <[email protected]> >>> wrote: >>> Ok Jim. Followed instructions and what do you know stream is regular and >>> forcefull and tap is hot and while not super forceful. It is adequate. >>> You are kind of a miracle worker. Thanks so much!!! >>> >>> Sent from my iPhone >>> >>>>> On Nov 12, 2020, at 10:26 PM, Jim Mitchell <[email protected]> wrote: >>>>> >>>> >>>> Hmmm – odd result, here’s a graphic depicting the Brewtus’s water flow: >>>> >>>> <783DA6BD8F0B413F9718C9FEA8016FFA.jpg> >>>> [Taken out of an >>>> excellent article from ‘Bella Barista’ available here: >>>> https://docplayer.net/18866840-Expobar-office-leva-dual-boiler.html >>>> >>>> >>>> >>>> Note that the hot water tap is fed directly from the bottom of the steam >>>> boiler – quoting from the same Bella Barista article: >>>> >>>> >>>> >>>> “Hot Water: >>>> >>>> The pipe for the hot water tap is at the base of the Steam/Hot Water >>>> boiler. As the hot water tap is opened, steam pressure forces the hot >>>> water from the boiler >>>> >>>> through the pipe and out of the hot water outlet.” >>>> >>>> >>>> >>>> Something you said in an earlier post might illuminate this problem too: >>>> “also steam wand provides water (more).” >>>> >>>> >>>> >>>> The steam wand shouldn’t flow water when the machine’s up to temperature, >>>> outside of a brief ‘Sput!’ as it clears its throat – I’m suspecting that >>>> the boiler’s not getting up to temperature (around 102-105C) – possibly >>>> because the steam boiler has overfilled (it relies on free space in the >>>> boiler for steam to form) and as the water expands it trips the >>>> pressurestat. >>>> >>>> >>>> >>>> So let’s see if bleeding the boiler helps – from a cold machine - point >>>> the steam wand at the tray, open just the steam tap, and turn the machine >>>> on, after roughly 20 minutes you should see water from the steam tap, when >>>> it stops close the tap, wait a minute or two and re-open the tap. You’ll >>>> either see more water, or very wet steam comes out. Repeat this process >>>> until dry steam shoots out with real velocity, or you reach brewing >>>> temperature. >>>> >>>> >>>> >>>> Hopefully this cures the hot water problem – the next suspects are the >>>> pressurestat or a blown stem tank heating element. >>>> >>>> >>>> >>>> Good Luck >>>> >>>> >>>> >>>> Jim >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> Sent from Mail for Windows 10 >>>> >>>> >>>> >>>> From: James Williamson >>>> Sent: Thursday, November 12, 2020 7:29 PM >>>> To: Brewtus >>>> Subject: Re: No group head water flow >>>> >>>> >>>> >>>> Hi Jim, >>>> >>>> >>>> >>>> The water from the hot water tap(what little trickles that I'm getting) >>>> is Luke warm or closer to cool...too cool to even register on my >>>> thermometer. >>>> >>>> Steam Wand and Group Head is 90+ >>>> >>>> >>>> >>>> James >>>> >>>> On Thursday, November 12, 2020 at 3:19:02 PM UTC-8 [email protected] >>>> wrote: >>>> >>>> A thin, ragged cheer from the troops... >>>> >>>> >>>> >>>> Congratulations, welcome to the DIY ranks - tere's a certain glee in >>>> (temporarily) frustrating the Dark Lords of Entropy with simple tools. >>>> >>>> >>>> >>>> I'll do some digging on your hot water tap flow after I dislodge the sleep >>>> cat from my lap and start dinner. >>>> >>>> >>>> >>>> A useful place to start would be to measure the temperature of the water >>>> from the hot water tap. This tap is fed directly from the steam boiler so >>>> expect at least 96C or above. >>>> >>>> >>>> >>>> Cheers >>>> >>>> Jim >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Brewtus" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/brewtus/497B9E3C-9710-4BDB-AB6C-2C5B36DD59D5%40hxcore.ol. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Brewtus" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/brewtus/B591703F-12F5-4F85-B2D8-09DFF15F48E2%40gmail.com. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Brewtus" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/brewtus/CAJLWrxsoGyJSoY7pt6Y_-4gsuwwUScV5FVvf_ireF7dG4hG98A%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "Brewtus" group. 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