HomeRoast Digest


Topic: An ounce of prevention is worth a pound of cure... (18 msgs / 328 lines)
1) From: miKe mcKoffee
When I had Miss Silvia ran descaler through the tank 'bout every 6 months.
Very simple straight forward procedure. But moving to a direct connect HX
machine descaling was a bit more intimidating so been putting it off. Been 8
months since I got the Bricoletta so figured it's more than time. No way
want to wait for scaling problems to start and have to disassemble to
descale! Piece of cake. See HX descaling how to on home-barista:http://www.home-barista.com/forums/viewtopic.php?tu1Kona Konnaisseur miKe mcKoffee
URL to Rosto mods, FrankenFormer, some recipes etc:http://mdmint.home.comcast.net/coffee/Rosto_mod.htmUltimately the quest for Koffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.

2) From: Barry Luterman
Is there any info on how to de-scale a double boiler?

3) From: Brett Mason
I was thinking of sending you the same article twice...
On a double boiler system, aren't the boilers separate, and the
process similar one to the other?
Brett
On 8/2/06, Barry Luterman  wrote:
<Snip>
-- 
Regards,
Brett Mason
 HomeRoast
   Zassman

4) From: Barry Luterman
The Brewtus also has a HX

5) From: miKe mcKoffee
<Snip>
Not directly but logically seems you'd treat the brew boiler just like a
single boiler machine and the steam boiler like an HX machine boiler. The
PIA might be with Silvia after descaling I'd always run three full clean
water tanks worth through, which equals about 18 times the boiler size. With
the Brewtus's 1.5L brew boiler that would mean a 27L=7.13gallon.38tank
post descaling flush! (unless the boilers have drain stopcocks on the
bottom) Now for the steam boiler descaling... Steam boiler flush important
but not as critical as brew boiler flush unless using the water for
Americanos or tea etc. 
Kona Konnaisseur miKe mcKoffee
URL to Rosto mods, FrankenFormer, some recipes etc:http://mdmint.home.comcast.net/coffee/Rosto_mod.htmUltimately the quest for Koffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.

6) From: miKe mcKoffee
Yes, but the Brewtus's HX is inline with the brew boiler tank and part of
the same brew water path not a separate brew path unto itself like an HX
machine. So the brew boiler HX pre-heater would be descaled by default the
same time as the brew boiler.
 
miKe
<Snip>

7) From: Barry Luterman
I guess my question is: If the HX just connects to the two boilers. Then I 
would not have to disconnect the HX. Simply add the citric acid and just 
purge the system like on the Silvia. Or am I being too simplistic in my 
understanding of the mechanics involved in a 2 boiler HX machine?

8) From: Barry Luterman
I think that's what I am saying.That is just flush with a lot of clean water 
and don't bother disconnecting the HX. Also purge through steam wand and 
boiler wand. Right?

9) From: miKe mcKoffee
The Brewtus's brew boiler HX doesn't actually "connect" to the steam boiler
water but rather is more like a water pipe running through the steam
boiler... But yes, no disconnecting of the HX line to descale brew boiler,
or steam boiler for that matter. But no, not quite just like Silvia. Steam
boiler descaling different method, see previous post.
miKe
<Snip>

10) From: miKe mcKoffee
Here's another kicker. I don't recall if the hotwater wand is tied to the
brew boiler or steam boiler. The steam wand is of cousre tied to the steam
boiler and descaling the brew boiler would have zero effect on the steaming
sub-system.
Easiest maybe to think of the Brewtus as two entirely separate machines. One
for brewing, one for steaming. Each has to be descaled and each using
slightly different procedure. Maybe someone on the Brewtus forum has done a
step by step "how to". I know I could descale the Brewtus no problem, but
attempting to write a thorough how to without the actual machine would be
nuts!
miKe
<Snip>

11) From: Barry Luterman
There is nothing on the group about it. But I do have the 
schematics.Unfortunately I am not an engineer. My idea of fixing a car when 
I hear a strange noise is to turn the radio up louder. Here are the 
schematics for the engineers among us. G-d bless.http://www.brewtusgroup.com/rt/fileroom?&layout=bg&top.title=&main.fileroot_id3&main.fileroot_name=documents&main.id133&main.ctrl=filemgr.detail&main.relative_path=%5CBrewtus+Manual&main.view=fileroom.detail&top.title=Brewtus+Operating+Manual+Version+1.6+first+final+proof

12) From: Michael Dhabolt
Barry,
miKe is correct re: the brew boiler.  The HX will be descaled in the
process of brew boiler descale.  You will probably find that descaling
the brew boiler is easier than expected - - the brew boiler circuit is
always full and there is a constant replacement of the water that is
used when pulling a shot - - The particulates will settle out in the
bottom and some crud will plate out in the boiler, HX and plumbing, so
it does need periodic maintenance (descaling).
If you make regular milk based drinks (I seem to remember you guys
always starting the day with a cap) you will see the major crud/scale
build-up in the steam boiler......the worst of it will be at the water
level.  Steam boilers build up brine (water with impurities left when
the steam (pure water) is used and more ...and more...and more impure
water is pumped in to refill the boiler).  The water level in the
steam boiler is at the level of the bottom of the auto-fill probe.
Descaling the steam boiler will require disconnecting the auto-fill
probe and filling the steam boiler untill you get flow out of the OPEN
steam wand.  I'm sure you are familiar with the basic process from
your Silvia days.
A good thread that miKe regularly recommends is at:http://www.home-barista.com/forums/viewtopic.php?tu1Jim Schulman makes some comments in the thread that are in addendum to
his "Insanely Long Water Faq" that are germain to what you are getting
ready for.  After looking at the plumbing schematics of the Brute, and
noodling a bit - - it looks to me like the same process as a regular
HX machine is the correct procedure for you.  The quantities of
solution will be drastically different because, as miKe commented on,
the Brew boiler (which is treated the same as the HX loop in a HX
machine) is many orders of magnitude larger.  The Steam boiler should
be treated the same as the boiler in a HX machine.
Mike (just plain)

13) From: Barry Luterman
OK I got it. One question.Where is the auto fill probe? Is it near my car 
radio?

14) From: Michael Dhabolt
Barry,
When you press the right combination of buttons - you'll find all the
radio stations that you don't like :~)
There are a couple of pictures (of other machines) in the thread,
Yours will look similar......only thing with a single wire going to
it....top of steam boiler.
Are you going to be able to make it next month?
Mike (just plain)

15) From: Barry Luterman
That's the weekend my daughter is due to give birth. That means her mother 
will be visiting. Even being in Hawaii that's not enough distance between 
her mother and me. Will come see the new baby in Portland in about 6 mos.

16) From: miKe mcKoffee
<Snip>
Yes, right by the CD FF button:-)
Ok, looks like it's pg 7 #27. There should be a single electrical wire
connected to it. Easy to verify. If wire disconnected steam boiler should
fill ALL THE TIME the machine is turned on.
I'd forgotten about the Brewtus boiler draining instructions for shipping
procedure pg 24 of the manual. I'd incorporate that into descaling making it
much much quicker and easier to flush the descaler from the boilers. Descale
including letting it sit a few hours and do it's work. This includes
backflushing the descaler a few times. I'd then drain boilers. Refill
boilers will clear water. Repeat once more for the steam boiler, probably a
third drain and fill for the brew boiler but maybe not and maybe a fourth!
Easy to test if flushed enough. Draw some water from the group and cool in
the fridge. Then taste it. If you use the steam boiler for Americanos or tea
etc. make sure you test it's water too.
Kona Konnaisseur miKe mcKoffee
URL to Rosto mods, FrankenFormer, some recipes etc:http://mdmint.home.comcast.net/coffee/Rosto_mod.htmUltimately the quest for Koffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.

17) From: Barry Luterman
Got it come visit soon

18) From: Michael Dhabolt
Barry,
<Snip>
Comprende!  Aw shucks!
Mike (just plain)


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