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Pressurise Greenstar 30CDi

Discussion in 'Plumbing and Central Heating' started by John Barrow, 26 Feb 2021.

  1. John Barrow

    John Barrow

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    Hi everyone.
    I have a Worcester Greenstar 30cdi boiler and I need to recharge/depressurise it.

    unfortunately it has neither an internal filling link (key fitting) or an external braided hose as shown in the manuals.
    354A08DF-9370-453E-BFFD-0B54F2215A71.jpeg what it has is three valves with slotted heads and black plastic shrouds and that’s all. All are currently open - Slots parallel with pipes.
    Presumably I need some combination of these valves open and closed to lift the pressure gauge off the stop and out of the red, but I don’t want to simply experiment.

    Does anyone know what these three valves are for or just how to recharge the system.

    Many thanks

    John
     
  2. terryplumb

    terryplumb

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    Have a look around your hot water cylinder for the filling loop.
     
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  4. ianmcd

    ianmcd

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    As @terryplumb says post a pic of where your HW cylinder is
     
  5. John Barrow

    John Barrow

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    CA8FF32D-C6C7-4279-B6F5-54FA292FBBD7.jpeg 847F446A-9E8D-436B-BEF4-90671A82D232.jpeg Wow ! Thanks Terry and Ian for such fast responses. Terry you were spot on. Tucked away, I missed it on my first look around - I guess I wasn’t expecting to find it there, so far from the boiler.
    I’ll know next time ! Only had the place a few months and still learning the quirks. 847F446A-9E8D-436B-BEF4-90671A82D232.jpeg
     
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  7. ianmcd

    ianmcd

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    Open that black handle tap 1/4 turn till the pressure guage is between 1 and 1.5 Bar then close again

    InkedCA8FF32D-C6C7-4279-B6F5-54FA292FBBD7_LI.jpg
     
  8. DIYnot Local

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