Our Valued Sponsor
OpinionsConsumer ReviewsGuides and How TosCoffeeGeek ReviewsResourcesForums
Members: Buy, Sell and Trade
(Expobar ) Office Control HX  T/C, Grinder (SOLD)
Support Coffee Kids
Coffee Kids is a non profit charity working with farming communities around the world. Donate today!
www.coffeekids.org
 
Not Logged in: Log In to Postlog in
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered  
Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Discussions > Members > Buy and Sell > (Expobar )...  
view previous topic | view next topic | view all topics
Author Messages
Luscombe
Senior Member
Luscombe
Joined: 19 Apr 2009
Posts: 17
Location: Atlanta Area
Expertise: I love coffee

Espresso: LS Vivaldi S1 V2
Grinder: K30, Zass Hand grinder
Vac Pot: Cona
Drip: TV, Pour Over, Aero Press
Roaster: Drum Roaster-Gas Grill,SCTO,...
Posted Tue Nov 27, 2012, 10:55am
Subject: (Expobar ) Office Control HX  T/C, Grinder (SOLD)
 

I upgraded to a DB unit with corresponding grinder a couple of years ago. My HX has been gathering dust in the basement just in case I needed it. I have decided that it is time to see it passed on to another and I am now selling my HX set up. This is a complete Espresso set up including the grinder and accessories.

The espresso machine was made by Expobar (Office Model) and labeled as a Marcuzzi. I bought it from a fellow BB member here in Atlanta in 2006. The manufacturing date on it is 4/27/2000. I used it as an entry model into the world of espresso. I am the only one in the house that drinks coffee so it has seen light use. It is a great machine and I have added a thermocouple to it to eliminate the temperature surfing. The T/C probe is located just above the dispersing screen in the group head. It measures the temperature of the water just before it encounters the coffee puck. NO MORE TEMP SURFING, EVER with this set up.

Features on this Office Control include:
E61 group head
Internal Water reservoir with option to plumb in the water supply

I have experienced no issues with the unit other than the pressure release valve which I replaced. The previous owner told me he had replaced the control panel.

The Espresso machine package also includes:
-Les Albjerg custom tamper
-Two  portafilters, one naked
-Custom Cocobolo wood handles for protafilters
-Single, double and blind baskets
-New spare vibratory pump
-Spare untouched E61 Group Head
-T/C and meter set up integrated into the cabinet to measure water temp above dispersing screen.
-Spare G/H gasket
-Coffee grounds disposal basket, stainless steel

The Grinder is  a Super Jolly
I purchased it off of CL and did a complete restoration and set it up as a doserless unit. I measure the weight of the dose before I tamp.
I stripped it to bare metal and painted it.
Added a new electric cord and new burrs.
I'm guessing there is less than 50# of coffee that have gone through the new burrs.
All of the misc. items in the photo of the Marcuzzi aer included.

I will sell these separately. I am asking $550 for the HX Unit and $225 for the grinder. Shipping is not included.


Email me at gjtreehouse at gmail.com or
call at four zero four 693-499four
Additional photos are available.
Thanks for looking.

Listing Details
Asking / Suggested Price: $550HX, $225Grinder
Seller Name: Gary Tree
Seller Location: Atlanta, GA
Sale Type: For Sale

Luscombe: HX 2 CGBB.jpg
(Click for larger image)
back to top
 View Profile Link to this post
cifac88
Senior Member


Joined: 21 Jan 2012
Posts: 23
Location: Cape Breton, Canada
Expertise: I like coffee

Posted Tue Nov 27, 2012, 4:00pm
Subject: Re: Espresso Machine Marcuzzi (Expobar ) Office Control HX with T/C, etc.
 

Crap, if only this was available a month ago...great package.
back to top
 View Profile Link to this post
Luscombe
Senior Member
Luscombe
Joined: 19 Apr 2009
Posts: 17
Location: Atlanta Area
Expertise: I love coffee

Espresso: LS Vivaldi S1 V2
Grinder: K30, Zass Hand grinder
Vac Pot: Cona
Drip: TV, Pour Over, Aero Press
Roaster: Drum Roaster-Gas Grill,SCTO,...
Posted Mon Dec 3, 2012, 8:12pm
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

Prices reduced and package unbundled.
back to top
 View Profile Link to this post
hamish5178
Senior Member


Joined: 27 Apr 2012
Posts: 10
Expertise: I love coffee

Posted Wed Dec 5, 2012, 8:20pm
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

Do you still have the doser from the SJ?
back to top
 View Profile Link to this post
Luscombe
Senior Member
Luscombe
Joined: 19 Apr 2009
Posts: 17
Location: Atlanta Area
Expertise: I love coffee

Espresso: LS Vivaldi S1 V2
Grinder: K30, Zass Hand grinder
Vac Pot: Cona
Drip: TV, Pour Over, Aero Press
Roaster: Drum Roaster-Gas Grill,SCTO,...
Posted Thu Dec 6, 2012, 6:41pm
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

Doser for the SJ is no longer with us.
Sorry
back to top
 View Profile Link to this post
Luscombe
Senior Member
Luscombe
Joined: 19 Apr 2009
Posts: 17
Location: Atlanta Area
Expertise: I love coffee

Espresso: LS Vivaldi S1 V2
Grinder: K30, Zass Hand grinder
Vac Pot: Cona
Drip: TV, Pour Over, Aero Press
Roaster: Drum Roaster-Gas Grill,SCTO,...
Posted Thu Dec 6, 2012, 7:06pm
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

I have received a few questions about the TC modification I made on this unit. This is a little more detailed description and why I did it and how it works.

This assumes little or no working knowledge of an HX espresso machine.



The theory behind the thermo-coupler installed in the group head (GH) of an E61 HX unit is outlined on Home Barista. I have attached a link for you to look through. There is a ton of information in their FAQ's, etc. It is really overwhelming. There is a thread on HB that shows a temperature probe modification  that inserts into the access hole in the front of most E61 GH's.

Click Here (www.home-barista.com)


The general idea is to measure the water temperature as it encounters the coffee puck. If it is too hot the espresso will be bitter, too cool and it will be sour. The plan is to be able to accurately measure this water temperature so you can repeat the technique on subsequent shots. You document the temperature when you start the pull and then adjust to taste. The actual temperature is not as important as being able to consistently repeat the temperature for each shot. The temp surfing on HX machine discussions on Home Barista explain the issues and techniques. With this TC modification, you still have to surf but with this set up you know the exact temperature of the water in the GH and when to stop surfing and start the extraction process. This set up takes all of the timing and guessing out of the flushing process. The thermo-coupler probe is installed in the GH such that it protrudes into the cavity between the bottom of the GH  where the water comes out and the dispersing screen just above the coffee puck. This is immediately above where the water encounters the coffee.

This Expobar Office control has an E61 head but the front of it is covered by the cabinet and it does not have the hole for the thermo couple thermometer insert probe. To install a TC I had to position it to fit behind the cabinet and then drill and tap the GH.

My solution was two fold.
  1. Get a spare group head in case I mess the original up. It took me several months to talk the service department into selling me a used one from their bone yard. I will include this spare with the machine. It turned out I did not need it as my drilling and tapping were successful. The spare GH has the fitting on the front and would allow the use of the adapter but the cabinet would have to be modified. I did not want to do this.

  2. Drill and tap my group head to install a thermo-coupler (Omega TJC36-CPSS-062U-3") such that the probe sticks into the area where water is dispersed to the coffee puck. This is the area between the dispersing screen and the group head, just above the coffee puck. I then connected the output to an Auber SYL1512A installed in a metal project box designed to receive the Auber. This is powered by 110v connected to the units on switch. Other parts included the appropriate Swagelok fittings to connect the parts.

I have a few pictures showing the finished installation. They are attached.

The TC probe measures the water temperature when it exits the GH just before it encounters the dispersing screen. The TC is fast acting and provides a very accurate representation of the water temperature. This will allow you to adjust your flushing sequences so that you know exactly what water temperature is exiting the GH after a specific flushing sequence. You will need to do some trial and error here to determine the best starting temperature to begin the extraction. The difference with this is that you know the exact temperature of the water as opposed to just flushing for an arbitrary amount of time.

Water continuously recirculates through the E61 GH and the heat exchanger routed through the boiler. The pressure setting in the HX boiler super heats the water steam in it and that is circulated through the GH and it must be flushed (Cooled) before it is used to extract an espresso as it is way too hot. The water temperature will vary depending upon how long the HX unit sets between shots. Again, there is much information on Home Barista. I became very frustrated with the entire flushing process because I never knew what the temperature of the water was when I started the extraction. There was a lot of detailed information on the Home Barista but all of it was based upon detailed temperature curves that were then used to generalize the flushing times with comments, adjust to taste. I needed a bit more accuracy.

Just after I finished the installation of the TC, I changed jobs. The job change allowed me to purchase a double boiler unit. I chose the Vivaldi II S1 Rotary pump. It was expensive, is not an E61 GH but there weren't many E61 DB units in my price range when I bought this. The field has changed now and there are several very good ones.

The water in the DB unit is delivered to the GH at the temperature I set the boiler at. I no longer have to surf. Admittedly, the DB units are much more expensive than the HX units.

I think the HX units are a very good entry level espresso machine, especially if you are willing to invest some time to perfect your technique. I would still be using the Expobar if I had not changed jobs. You can see by the accessories that I have invested several hundred dollars in the custom handles, tampers, naked PF and baskets alone. If you are into home roasting, which I also do, and combine that with this unit and a good grinder, it's an awesome combination on a very limited budget.

Luscombe: TC Location BB.jpg
(Click for larger image)
back to top
 View Profile Link to this post
Luscombe
Senior Member
Luscombe
Joined: 19 Apr 2009
Posts: 17
Location: Atlanta Area
Expertise: I love coffee

Espresso: LS Vivaldi S1 V2
Grinder: K30, Zass Hand grinder
Vac Pot: Cona
Drip: TV, Pour Over, Aero Press
Roaster: Drum Roaster-Gas Grill,SCTO,...
Posted Thu Dec 6, 2012, 7:10pm
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

Location of the Auber read out.

Luscombe: Auber Location 2 BB.jpg
(Click for larger image)
back to top
 View Profile Link to this post
nygel74
Senior Member


Joined: 2 Jan 2006
Posts: 46
Location: USA
Expertise: I live coffee

Posted Fri Dec 7, 2012, 9:04am
Subject: Re: HX Espresso Machine with T/C, Grinder (Price Reduced)
 

Wow, gotta say the more I find out about this machine, the more I wonder why you would want to get rid of it.  Given all the upgrades etc, is getting a DB really worth it?  Seriously salivating on this deal :P
back to top
 View Profile Link to this post
view previous topic | view next topic | view all topics
Discussions > Members > Buy and Sell > (Expobar )...  
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered     Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Not Logged in: Log In to Postlog in
Discussions Quick Jump:
Symbols: New Posts= New Posts since your last visit      No New Posts= No New Posts since last visit     Go to most recent post= Newest post
Forum Rules:
No profanity, illegal acts or personal attacks will be tolerated in these discussion boards.
No commercial posting of any nature will be tolerated; only private sales by private individuals, in the "Buy and Sell" forum.
No SEO style postings will be tolerated. SEO related posts will result in immediate ban from CoffeeGeek.
No cross posting allowed - do not post your topic to more than one forum, nor repost a topic to the same forum.
Who Can Read The Forum? Anyone can read posts in these discussion boards.
Who Can Post New Topics? Any registered CoffeeGeek member can post new topics.
Who Can Post Replies? Any registered CoffeeGeek member can post replies.
Can Photos be posted? Anyone can post photos in their new topics or replies.
Who can change or delete posts? Any CoffeeGeek member can edit their own posts. Only moderators can delete posts.
Probationary Period: If you are a new signup for CoffeeGeek, you cannot promote, endorse, criticise or otherwise post an unsolicited endorsement for any company, product or service in your first five postings.
Rocket R58 Double Boiler
Rocket Espresso R58 Double Boiler -  Everything you need for the perfect shot!
www.seattlecoffeegear.com
Home | Opinions | Consumer Reviews | Guides & How Tos | CoffeeGeek Reviews | Resources | Forums | Contact Us
CoffeeGeek.com, CoffeeGeek, and Coffee Geek, along with all associated content & images are copyright ©2000-2014 by Mark Prince, all rights reserved, unless otherwise indicated. Content, code, and images may not be reused without permission. Usage of this website signifies agreement with our Terms and Conditions. (0.28849697113)
Privacy Policy | Copyright Info | Terms and Conditions | CoffeeGeek Advertisers | RSS | Find us on Google+