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Breville Dual Boiler BES900XL Owners Thread
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MerleApAmber
Senior Member


Joined: 13 Nov 2012
Posts: 203
Location: Atlanta
Expertise: I love coffee

Espresso: Breville BES900
Grinder: Baratza Preciso + Esatto
Vac Pot: Yuma
Drip: bah-humbug
Roaster: Hot Top 2K P
Posted Fri Feb 8, 2013, 9:14pm
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

Alex,
the pressure numbers you're seeing just mean you have some trimming to do with your grind, puck mass, and packing.

Right now you could look at it and say some to much of your pump pressure head is recirculating back into the water tank.  If you were using your volumetric one shot and two shot buttons you'd have rather short shots when the system thinks it's past one ounce or two ounces of water volume per defaults.  Again, you're very close to understanding how this machine operates on a normal daily base - just a bit of very minor changes, one at a time so you can recognize the results and you'll be on your way. In fact your giggling about the last 1% trim to get "the numbers" people say such machines are designed for.

And, ya, watching something come out of the porta filter that is far closer than anything you've ever seen before is a wonderful and enticing experience!  Good on'Ya!
-Chris
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AlexKilpatrick
Senior Member


Joined: 30 Jan 2013
Posts: 117
Location: Austin

Espresso: Breville Dual Boiler
Grinder: Bairtiza Vario
Posted Fri Feb 8, 2013, 9:24pm
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

OK, thanks.  I knew the shot pressure was affected by the grind and dose.  I just wanted to make sure the blind basket pressure was not too high at 11.  I was thinking "normal" was supposed to be 10.

One of the amazing difference to me compared to the Kmix is the complexity of the crema.  On the KMix, the crema was a very uniform tan.  With the BDB it is all kinds of colors, and that seems to be a big indicator of the complexity of the taste.

I was actually able to do an interesting test.  I got a really good shot at one of the best coffee shops in town (Houndstooth in Austin) this afternoon.  Then, I bought the same beans as they were using home and tried it in the BDB.  It actually tasted richer to me at home.  That seems unlikely, and I am chalking it up to confirmation bias.  But it was still very good nonetheless.  The same beans on the KMix were much, much more muted in flavor.
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Park_Ridge_Dave
Senior Member
Park_Ridge_Dave
Joined: 15 Feb 2010
Posts: 78
Location: Mundelein (Chicago)
Expertise: I love coffee

Espresso: BES900XL
Grinder: Baratza Vario (NOT...
Vac Pot: N/A (French Press)
Drip: Technivorm MochaMaster
Roaster: None
Posted Sat Feb 9, 2013, 5:45am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

BubbaDude Said:

Sounds like you could dial the grind a click or two finer.

Welcome to the club, many happy shots!

Posted February 8, 2013 link

Alex ditto on the welcome to the club!!!

Bubbadude,

Now I am confused. Alex said he was seeing shot pressure readings of 10.5 bar, right? And you said he should go 1-2 clicks  finer.

Shouldn't he want to open it up 1-2 clicks to lower the pressure to around 9 bar?

(edit) Assuming charge weight and tamp pressure remain the same (edit)

Dave

(edited for clarity)

 
Don't forget to stop and smell the coffee...... er flowers!
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CSME9
Senior Member
CSME9
Joined: 26 Feb 2004
Posts: 273
Location: West Texas
Expertise: I live coffee

Espresso: Isomac Tea, Rancilio Silvia,...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sat Feb 9, 2013, 6:03am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

He said his shot was really fast-which means he needs to go 1-2 clicks finer or updose the basket.

If all that is correct and opv pressure read increases to high then you can consider lowering the brew OPV setting. 1st get the dose and grind correct.

WS
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BubbaDude
Senior Member
BubbaDude
Joined: 8 Jan 2011
Posts: 513
Location: Frisco Bay
Expertise: I love coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario
Vac Pot: Yama
Drip: Clever Coffee Dripper
Roaster: Hottop 2KB
Posted Sat Feb 9, 2013, 7:58am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

Park_Ridge_Dave Said:

Alex ditto on the welcome to the club!!!

Bubbadude,

Now I am confused. Alex said he was seeing shot pressure readings of 10.5 bar, right? And you said he should go 1-2 clicks  finer.

Shouldn't he want to open it up 1-2 clicks to lower the pressure to around 9 bar?

(edit) Assuming charge weight and tamp pressure remain the same (edit)

Dave

(edited for clarity)

Posted February 9, 2013 link


Yes, I mistyped. It sounds like his grind needs to be a click or two coarser.

 
"I've Scaced many HX/E61 machines, seeing shot variances of up to 8-10F or more. [The BDB] stays within 1F." - Mark Prince
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Park_Ridge_Dave
Senior Member
Park_Ridge_Dave
Joined: 15 Feb 2010
Posts: 78
Location: Mundelein (Chicago)
Expertise: I love coffee

Espresso: BES900XL
Grinder: Baratza Vario (NOT...
Vac Pot: N/A (French Press)
Drip: Technivorm MochaMaster
Roaster: None
Posted Sat Feb 9, 2013, 9:22am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

AlexKilpatrick Said:

So I got the DBD set up, and without changing any setting I poured my first shot.  Same beans, same grind, same everything but the machine itself.  The shot was really fast (as I expected).  However, all I can say is "Wow"  Seemed like totally different beans to me.  The crema was much richer and varied, and I could taste all kinds of new things - berries, hint of chocolate, etc.  If this is how it works out of the box, I can't wait to experiment and see what I can get it to do.

My only concern is that with a blind filter in I am getting about 11, and on the shots I am getting about 10.5.  Is that too high?

Posted February 8, 2013 link

Alex were you using the auto 1 shot or 2 shot buttons or the manual button?

Dave

 
Don't forget to stop and smell the coffee...... er flowers!
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AlexKilpatrick
Senior Member


Joined: 30 Jan 2013
Posts: 117
Location: Austin

Espresso: Breville Dual Boiler
Grinder: Bairtiza Vario
Posted Sat Feb 9, 2013, 10:01am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

I was using the manual button.

But I thought the easy way to check the OPV was with a blind basket?  If 11 is ok, then I won't worry about it.  My understanding was that you tune the shot time with the grind coarseness, and don't worry about the pressure as long as it is within a normal range.
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Cordes
Senior Member


Joined: 9 Feb 2013
Posts: 2
Location: Missouri
Expertise: I love coffee

Espresso: Breville 900xl
Grinder: Mazzer Mini
Roaster: Gene Cafe
Posted Sat Feb 9, 2013, 10:07am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

Greetings!
As an 8Yr user of an Isomac Tea I just kept repairing the machine. Two pumps, an E-61 kit, and a water level sensor to date.  About 2 wks ago I noticed that the solenoid was starting to act up and then there was a strong smell of burning wire.  More problems in there than I am willing to try and fix.   Being in the middle of nowhere Missouri qualified machine repair is no where near so I decided to buy another machine.

Now the new owner of a BDB.  Roast my own beans from Sweet Marias in a Gene Cafe.  Grind them thru a Mazzer Mini.  I don't own a scale and have always filled the basket by sight, tamped and then watch the flow and stop when it goes blonde.  If too quick or too slow then adjust the grinder.  After reading the forum here I ordered a scale but it won't arrive for another week.  So in the mean time I have been making espresso the way I've always made it, by sight.

Day old beans, grinder where I left it with last batch, Breville at default settings.  First pull slightly sour but with strong chocolate.  Time short at 22 sec.  Adjust grinder.  Second pull still with hint of sour but better.  Time 35sec.  Dialed up the temp to 202.   Wow!  That's great!

Since then have been pulling shots for the last three days with only a rare off shot.  Pressures consistently in the 8.5 to 9. range.  Times in the 31 to 38 sec range.  I am very pleased with this machine.  And although I will play with the scale and see if I get any improvement, I'm not convinced that it will be necessary.

Noise level very comparable to Isomac.  Steaming slower but easy to get it right.

Wish the drip tray stuck out just a little farther.
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Park_Ridge_Dave
Senior Member
Park_Ridge_Dave
Joined: 15 Feb 2010
Posts: 78
Location: Mundelein (Chicago)
Expertise: I love coffee

Espresso: BES900XL
Grinder: Baratza Vario (NOT...
Vac Pot: N/A (French Press)
Drip: Technivorm MochaMaster
Roaster: None
Posted Sat Feb 9, 2013, 10:29am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

AlexKilpatrick Said:

I was using the manual button.

But I thought the easy way to check the OPV was with a blind basket?  If 11 is ok, then I won't worry about it.  My understanding was that you tune the shot time with the grind coarseness, and don't worry about the pressure as long as it is within a normal range.

Posted February 9, 2013 link

Yes, using the blind basket is the way to see what the OPV is set for. Mine is set to a little over 10 bar (10.5).

I was just wondering if you may have been getting a "short shot" using the "auto" functions as they are volumetric and if you are in the OPV range (i.e. it is passing water to the tray relieving pressure) then you would get a short shot from getting to the total volume "early".

That having been put to rest, I usually adjust Charge (I use 18g), tamp (app 32 lb if I ate my Wheaties lol), and grind (I use the Vario) so that I get approximately 9 bar during the extraction.

As always ymmv!

The machine does make great espresso if we let it lmao!

Cheers and enjoy your new toy!

Dave

 
Don't forget to stop and smell the coffee...... er flowers!
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Park_Ridge_Dave
Senior Member
Park_Ridge_Dave
Joined: 15 Feb 2010
Posts: 78
Location: Mundelein (Chicago)
Expertise: I love coffee

Espresso: BES900XL
Grinder: Baratza Vario (NOT...
Vac Pot: N/A (French Press)
Drip: Technivorm MochaMaster
Roaster: None
Posted Sat Feb 9, 2013, 10:32am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

Cordes Said:

Greetings!

Now the new owner of a BDB.  Roast my own beans from Sweet Marias in a Gene Cafe.  Grind them thru a Mazzer Mini.  I don't own a scale and have always filled the basket by sight, tamped and then watch the flow and stop when it goes blonde.  If too quick or too slow then adjust the grinder.  After reading the forum here I ordered a scale but it won't arrive for another week.  So in the mean time I have been making espresso the way I've always made it, by sight.
.

Posted February 9, 2013 link

Welcome to the "club" (lol). Always good to have more kindred spirits.

Dave

 
Don't forget to stop and smell the coffee...... er flowers!
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