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  • Alex Duetto III discussion thread

    Hello CS'ers

    Herewith some information on the Alex Duetto III. First Australian stocks are due late Oct/early Nov.

    Changes are as follows:
    • brew boiler decreases in size to 580ml
    • new case and cup tray
    • PID display will be red
    • a price increase

    Australian spec. will be configured identically to our current Alex Duetto II stocks.

    For CS'ers looking for a bargain, there are a few remaining with us and our interstate agents, so if you like the old, you'll get the bigger brew boiler and a hefty discount as well.

    We expect current stocks will sell out in the next week or two and then there will be some time while while we wait for the new ones to arrive.

    Chris
    Last edited by TC; 21 September 2012, 05:08 PM.

  • #2
    What do you see as the pros and cons of the new machine Chris? All cosmetic? Also, the reduced brew boiler size? Is that so they can have the room to mount the pump horizontally not over the motor? Cheers!

    Comment


    • #3
      Hi CoffeeBloke,

      The hi-res graphics I have (not yet published) certainly look terrific. The PID display also changes from blue to red. The external finish is improved.

      At this stage, I have not seen the internals. While the change in brew boiler size to 585ml is no biggie (supplied via steam boiler HX), I am uncertain as to whether the aim is to provide a larger tank or to change the orientation of the pump and motor. It's no longer a biggie as a capillary tube is fitted to the motor. In the event of a pump leak, water drains away. FWIW, we see very few issues with the machine- so it's all about refinement.

      Cons- the inevitable price increase. Our buy price is up significantly.

      It will be easier for those who don't plumb in to access the tank as the standard cup handles will assist.

      Some more info attached in a .PDF for those interested.

      Chris
      Attached Files

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      • #4
        Thanks very much Chris. Very helpful. I am exited to hear your thoughts after you see one in the metal!

        Comment


        • #5
          ...The hi-res graphics I have (not yet published) certainly look terrific...
          Do you have any photo's that are not distorted as much as those posted.
          ( even the PDF pics are compressed vertically ?)

          Comment


          • #6
            Hi Chris:

            Other than making sure your water is soft, how often are you recommending owners in AUS to descale? Do you agree with the instructions on the coffeetimeuk site?

            coffeetimeDOTwikidotDOTcom/izzo-alex-duetto-descaling


            What concentration of citric acid do you recommend?

            Thanks in advance,
            Mark

            Comment


            • #7
              Hi Mark,

              DO NOT descale if you can possibly avoid it. In dual boiler machines- it is a specialist job in dual boiler mahcines. Instead speak with Bombora supplies and purchase appropriate filtration.

              Recommended concentration of Citric is 0 PPM. It is NOT to be used in machines unless they are reduced to a boiler and pile of components by disassembling them into their pieces.

              Chris

              Comment


              • #8
                Alex Duetto Upgraqded to 15A
                Thought i would report on the upgrade to my Alex Duetto to 15A -Dual Heater simultaneous operation Chris has swapped over my PID controller and the plug to 15A which allows Alex to start up with Brew & Steam boilers blazing. ( Normally supplied models are 10A so the PID gives priority to the Brew boiler)

                I wanted this for 2 reasons;
                1. faster startup.
                2. Steam boiler to maintain better steam pressure/temp during steaming [ after you start brew, heater will come on pretty quickly and hold out steam boiler]

                The change over PID is RED so if you really like your blue one don't do it!

                Results: 1.
                Startup :WOW it has gone from about 14 minutes down to 6m30s for both channels to be up to temp ( maybe not fully stable but Im not that fussy on temp so start making my coffee then)
                Restart: WOW. I now turn off the machine straight after I make a coffee because the restart is really quick. I do this more as a way of remebering to turn off the machine and not leave it on for exteneded time.

                2. Brewing. Yep both heater can fire up together here so steam temp stays higher during frothing. Overall a great result and worth the extra spend. And I'm starting to like the red display [ although Luke my son reckons its lame ;( ]. see the pic and decide for yourself.



                Regarding 15A upgrade my electrician has changed over the dual 10A plug for a single 15A. The wiring from the switchboard is 2.5mm cable and there is a 20A breaker on the board. The main issue is what else you have on that circuit- if it includes a kettle and toaster you're in trouble, but this was a separate circuit with only a frig and the grinders.

                Comment


                • #9
                  Good stuff Brett,

                  NB your post should be in the Alex Duetto II thread though as this thread is for the forthcoming Duetto III

                  Cheers

                  Chris

                  Comment


                  • #10
                    Originally posted by brettreaby View Post
                    Startup :WOW it has gone from about 14 minutes down to 6m30s for both channels to be up to temp ( maybe not fully stable but Im not that fussy on temp so start making my coffee then) ...

                    You must like cold, sour , coffee ! ...the group & PF cannot be much above 50 C after 6-7 mins. !

                    Comment


                    • #11
                      Originally posted by blend52 View Post
                      [/INDENT]You must like cold, sour , coffee ! ...the group & PF cannot be much above 50 C after 6-7 mins. !
                      hardly! I flush hot water through the group & PF before i remove the Pf and load up with coffee. Seems to do the trick.

                      Anyway seems anything coming out of my machine is 100% on what i can get on the way to work.

                      Comment


                      • #12
                        You're right Brett,

                        No restrictors are are required- so full thermosyphon effect. As a result, the Duetto group comes up to temperature very rapidly and unless you have asbestos hands there is no way you can do more than quickly touch the group at 7 minutes. It's the first to be ready on our bench- by the proverbial country mile.

                        Comment


                        • #13
                          It does actually feel like the machine has been transformed- learning to love it all over again!

                          I was before setting the steam temp to 128 and it would maybe drop to ~114. but now it's set at 122 and doesnt drop below 120 for a double milk shot jug. So I am getting much better result and more consistent as well.


                          I also picked up a triple basket and now our double coffees are as good as our singles.



                          Originally posted by Talk_Coffee View Post
                          You're right Brett,

                          No restrictors are are required- so full thermosyphon effect. As a result, the Duetto group comes up to temperature very rapidly and unless you have asbestos hands there is no way you can do more than quickly touch the group at 7 minutes. It's the first to be ready on our bench- by the proverbial country mile.

                          Comment


                          • #14
                            The newies have arrived and we have a demo on the bench.

                            We are impressed with the new mirror finish (photos don't do it justice) and even better internal layout. The Duetto III is now easily a match for the finish of Rocket gear.
                            Click image for larger version

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                            Last edited by TC; 28 October 2012, 09:52 AM.

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                            • #15
                              Thanks Chris,
                              They look great although I am extremely happy with my D2 ( 1 year old) and not about to change
                              I wonder - Is there any chance that you can get access to the handles that are on the D3 so I could attach to mine? I have looked and haven't seen anything nearly as "stylie" as these!
                              Cheers
                              Dr Dave

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