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Inside the Isomac Zaffiro
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bald1
Senior Member
bald1
Joined: 19 Dec 2001
Posts: 57
Location: Rapid City
Expertise: I love coffee

Espresso: Isomac Zaffiro
Grinder: Cunhill Tranquilo, Solis...
Vac Pot: Clever Coffee Dripper
Drip: Melitta BCM4 & Clarity
Roaster: NA
Posted Sat Mar 1, 2003, 1:17am
Subject: Inside the Isomac Zaffiro
 

While no where near the quality of our host's photos,
here are a few shots of an "exposed" Zaffiro.  
I had removed the 8 lb wrap around stainless steel
cover to access the microswitch under the water
tank as suggested by Chris.  
It was factory set to shut off the boiler when the
tank was a hair under 1/2 full.  Now it's a bit
over a 1/5th -:)  Build quality is evident.

--Bob

click for picture 1
click for picture 2
click for picture 3
click for picture 4
click for picture 5


added 9-14-03:  I apologize for any inconvenience as the pictures were down for awhile.  They're back up now -:)
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jim_schulman
Senior Member
jim_schulman
Joined: 19 Dec 2001
Posts: 3,772
Location: Chicago
Expertise: I live coffee
Posted Sat Mar 1, 2003, 12:57pm
Subject: Re: Inside the Isomac Zaffiro
 

Thanks for the pics.

The boiler is huge! Does it autofill, so it can be left on all day?

What fix on the springs did you use?

 
Jim Schulman
www.coffeecuppers.com
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bald1
Senior Member
bald1
Joined: 19 Dec 2001
Posts: 57
Location: Rapid City
Expertise: I love coffee

Espresso: Isomac Zaffiro
Grinder: Cunhill Tranquilo, Solis...
Vac Pot: Clever Coffee Dripper
Drip: Melitta BCM4 & Clarity
Roaster: NA
Posted Sat Mar 1, 2003, 2:20pm
Subject: Re: Inside the Isomac Zaffiro
 

Jim,

 Autofill?  Not really.  After brewing and steaming you simply throw the hot water switch on and open the steam valve.  When you get water coming out the boiler is full.  A simple operation just like  forcing water through an empty portafilter after tossing the puck.  Once the boiler has been filled, yup you can either leave miss zaffiro on, or queue it awake later with an electronic timer.  Works for me -:)

As for the microswitch, about three full turns adjustment to the height of the switch did the trick.

--Bob
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jim_schulman
Senior Member
jim_schulman
Joined: 19 Dec 2001
Posts: 3,772
Location: Chicago
Expertise: I live coffee
Posted Sat Mar 1, 2003, 3:07pm
Subject: Re: Inside the Isomac Zaffiro
 

bald1 Said:

Jim,

 Autofill?  Not really.  After brewing and steaming you simply throw the hot water switch on and open the steam valve.  When you get water coming out the boiler is full.  A simple operation just like  forcing water through an empty portafilter after tossing the puck.  Once the boiler has been filled, yup you can either leave miss zaffiro on, or queue it awake later with an electronic timer.  Works for me -:)

As for the microswitch, about three full turns adjustment to the height of the switch did the trick.

--Bob

Posted March 1, 2003 link

Thanks for the micro-switch trick, easier than futzing with the springs.

The refill method is the usual for single boiler machines; the autoshutoff on the tank surprised me. I guess they don't want the pump running dry.

 
Jim Schulman
www.coffeecuppers.com
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MarkPrince
Moderator


Joined: 19 Dec 2001
Posts: 5,609
Location: Vancouver, BC
Expertise: Professional

Espresso: KvdW Speedster
Grinder: Compak K10 WBC
Vac Pot: A bit too many
Drip: Clive Coffee Drip Stand
Roaster: Hario Glass Retro Roaster
Posted Sat Mar 1, 2003, 5:01pm
Subject: Re: Inside the Isomac Zaffiro
 

bald1 Said:

As for the microswitch, about three full turns adjustment to the height of the switch did the trick.

--Bob

Posted March 1, 2003 link

Good tip!!! I completely forgot to cover the "shut off at half full thing" in the review I'm writing. Back to the drawing board on that....

Mark

 
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latemarch
Senior Member
latemarch
Joined: 24 Jan 2003
Posts: 55
Location: Jackson MO
Expertise: Just starting

Espresso: Isomac Tea
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Ron Kyle Drum, Gene Cafe
Posted Sat Mar 1, 2003, 7:09pm
Subject: Re: Inside the Isomac Zaffiro
 

And just in case it's not clear to you engineers.  The micro switch needs to go higher (up) so that the cut off happens with less weight in the resevoir.

I know it seems obvious but......like trying to explain clockwise to an engineer with a digital watch......sigh.
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bald1
Senior Member
bald1
Joined: 19 Dec 2001
Posts: 57
Location: Rapid City
Expertise: I love coffee

Espresso: Isomac Zaffiro
Grinder: Cunhill Tranquilo, Solis...
Vac Pot: Clever Coffee Dripper
Drip: Melitta BCM4 & Clarity
Roaster: NA
Posted Sat Mar 1, 2003, 8:21pm
Subject: Re: Inside the Isomac Zaffiro
 

Mark,

 Yeah, Chris indicated that it is but another example
of how manufacturers' protect themselves from
consumers.  I haven't seen the need to tweak the boiler
temp yet as I'm still getting the "drill" down first -:)
That said I suspect it too is factory adjusted
to be conservative which in this case means running
at the low end of the normal operating heat range.

Latemarch,

 Thanks!  I should have included that comment too.
Frankly I had to stop to think a minute before making
the correct adjustment.  One should also test things with low
levels of water in the tank -:)

--Bob A
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