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  1. Replies
    15
    Views
    2,936

    The very latest in geothermal retrofit technology!

    The very latest in geothermal retrofit technology!
  2. Thread: r-22 with poe oil

    by Damo
    Replies
    38
    Views
    11,606

    Copeland / Emersons response to the POE Mineral...

    Copeland / Emersons response to the POE Mineral question for their R22 compressors?

    Go right ahead and mix them.
    ...
  3. Thread: r-22 with poe oil

    by Damo
    Replies
    38
    Views
    11,606

    .

    .
  4. Thread: Subcooling

    by Damo
    Replies
    13
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    1,435

    Restriction in liquid line after condenser...

    Restriction in liquid line after condenser causing liquid to back up while limiting flow to evap?
    EXV or TXV system, and whats your superheat?
  5. Sticky: CEAS-AC-TECH I'll race you to pro status! Thanks...

    CEAS-AC-TECH I'll race you to pro status!
    Thanks Dad! Access for the tool section is back for the underprivileged!
    Stonewallred, I'm looking forward to getting into the education and Pro's section,...
  6. Replies
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    9,024

    I had some replacement valves sent out by Russell...

    I had some replacement valves sent out by Russell and Tony from Fieldpiece a couple of months back, their customer service is amazing, it was only a matter of days from when I initially contacted...
  7. Sticky: Tool were always under the pro's category, yet...

    Tool were always under the pro's category, yet were open to me at least.
    It's only when I tried to access it just yesterday that I noticed some changes had been made to the site and with it I was no...
  8. Sticky: Also, what prompted the change in the tools forum...

    Also, what prompted the change in the tools forum access requirements?
    Previously I had access to read and contribute, now I do not?
    Thanks,
    Damo.
  9. Sticky: I've been signed up since 2007, but don't post...

    I've been signed up since 2007, but don't post that much, preferring to read more instead than just post unless I've actually got something really worth contributing, how did you arrive at a 15 post...
  10. Replies
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    956

    CIG is pretty common, your reg probably has a...

    CIG is pretty common, your reg probably has a type 30 fitting, standard for co2 in Australia, what you will need is a type 50, standard for nitro.
  11. Replies
    12
    Views
    956

    In Australia we have different fittings for nitro...

    In Australia we have different fittings for nitro and co2 bottles, not interchangable.
    I dont know if theres an adaptor but you could maybe swap the fitting and stem on the regulator to fit the...
  12. Thread: Idiots

    by Damo
    Replies
    34
    Views
    5,147

    Has anyone got a photo of what they should look...

    Has anyone got a photo of what they should look like?
    And can tell me where they are located in the circuit?
    It looks like an isolator switch for a unit or possibly for a whole switch board but...
  13. Replies
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    2,076

    Toolpak backpack - usually about 12kg, up to 15kg...

    Toolpak backpack - usually about 12kg, up to 15kg when it needs a clean out.
  14. Thread: YJ Flaring Tool

    by Damo
    Replies
    13
    Views
    2,273

    The size of the flare is determined by how much...

    The size of the flare is determined by how much pipe you push through the flare block, for 410a you just put a little bit more through.
    There's no stopper to set the height on the rigid 458r so you...
  15. Thread: YJ Flaring Tool

    by Damo
    Replies
    13
    Views
    2,273

    The flare angle is still the same, but the flares...

    The flare angle is still the same, but the flares themselves are a little bigger to suit the bigger 410a nuts.
    I'll also put in a vote for the rigid 458R!
    Damo.
  16. Replies
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    2,011

    Why yes, that appears to be coming along very...

    Why yes, that appears to be coming along very nicely, very nicely indeed!
    How'd you come across this one?
  17. Replies
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    4,203

    http://members.optusnet.com.au/~damianhome/R22kpa....

    http://members.optusnet.com.au/~damianhome/R22kpa.gif

    So for a pressure of 4 kpa for example:...
  18. Replies
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    4,203

    I should also mention that it will only be valid...

    I should also mention that it will only be valid for pressure input values between -64 kpa to 2325 kpa (temperature outputs of -60°C to 60°C) as that's the extremities of the data on the PT chart I...
  19. Replies
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    4,203

    http://hvac-talk.com/vbb/attachment.php?attachment...

    http://hvac-talk.com/vbb/attachment.php?attachmentid=2929&d=1184549984

    This is just a rough plot I did based on 10 points from the PT chart, you could refine it a bit more if you based the formula...
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