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Thread: Lelit Bianca

  1. #291
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    Quote Originally Posted by DavecUK View Post
    Just remember the balanced bypass of the pump is not intended to "loose" 12+ bar by recirculation for multiple minutes at a time!
    It's a timely warning. I've recently posted a similar shot over on the H-B Bianca users thread and it seems that quite a few Bianca users have found this range and are using it regularly. I did mention concern for its effect on pump life. But I'll want to continue using it from time to time.
    If it is this pump fitted to Bianca: https://www.fluidotech.it/site/assets/files/1302/po-70-400-brass-rotary-vane-pump-datasheet-1.pdf then it is designed for high pressure and low flow. We are using 50-60 seconds to drip and then low flow for 60-90 seconds to complete a 40-80ml shot.

  2. #292
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    Quote Originally Posted by DavecUK View Post
    Just remember the balanced bypass of the pump is not intended to "loose" 12+ bar by recirculation for multiple minutes at a time!
    What does this mean in layman's terms. What are the dos and don'ts here?

  3. #293
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    Is anyone running their Bianca plumbed in? If so can you comment on its behaviour around pre-infusion please?

    Both with the paddle and with the solenoid based solution at the beginning of a shot.
    @Kilo I think you’re plumbed in aren’t you?
    Sage DB - BWT Bestmax - Niche in Black. Aeropress and Aergrind

    Live and Let Live

  4. #294
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    Yes I run the Bianca plumbed. Paddle works fine. You can stop the flow by closing the paddle. The line pressure has no influence on the behavior of the paddle. The automatic pre infusion works also as planned. The pause phase stops the flow as the solenoid closes.
    One thing I find a little annoying is the sometimes loud noise of the solenoid opening, which is not there when the machine is tank fed. A bit like you can have with a washing machine. Most prominent when the steamboiler starts filling.
    Bianca looks tidy without a tank at the side.

  5. #295
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    Superb - thanks Kilo

    Very tempted by the machine - just waiting to see when BB get their next batch in
    Sage DB - BWT Bestmax - Niche in Black. Aeropress and Aergrind

    Live and Let Live

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