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  1. Replies
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    1,763

    40 years old finished in 1971 in melbourne aus....

    40 years old finished in 1971 in melbourne aus. using pneumatic controls and these beams had a drip tray underneath in case of any condensation.
    I agree with what flange said building controls must...
  2. Replies
    4
    Views
    1,763

    Hi Have worked with a number of buildings with...

    Hi
    Have worked with a number of buildings with chilled beams one building is 40 years old, still working well. some may have a lint filter which will need to be cleaned. make sure thermostat is in...
  3. Thread: Retrofitting

    by cool_tech
    Replies
    1
    Views
    714

    Hello There will be a company that can make a...

    Hello
    There will be a company that can make a new condensing unit using 134a or maybe off the shelf being 134a. they will need to know pipe sizes, model numbers if any and if you can take the unit...
  4. Replies
    8
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    2,258

    liebert belts?

    g' day fridgies
    As all the other guys have said, dont go cheap on the belts, make sure all pulleys are in good nick, and are alighned properley.

    What are the liebert vt belts I have never heard...
  5. Replies
    15
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    1,309

    G'day guys sorry I was thinking of another type...

    G'day guys sorry I was thinking of another type of machine. Try this link it ios pretty helpful. good luck
    http://eto.carrier.com/
  6. Replies
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    1,309

    Hello I take it this is on a chiller. ...

    Hello
    I take it this is on a chiller. what is the model? that fault can also mean phase reversal or power failure. a lot of the scroll compressor chillers will have a phase fail relay which...
  7. Replies
    15
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    2,743

    30gx

    hey guys,
    had a 30gx playing up about 3 months ago with oil problems, got carrier out there he said that oil can get stuck in the evap, add oil run system to get oil to return then remove oil...
  8. Thread: DDC

    by cool_tech
    Replies
    4
    Views
    772

    ddc

    hey mate,
    check all comms cables going to all controllers and check any fuses that maybe on controllers/ modules.
  9. Replies
    2
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    589

    hows the eucalypts

    hey koala
    is it an apac aircon? ducted split or package? apac were a division of apac made in western australia. i take it you are from aus. if so total line should be able to help.
  10. Replies
    18
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    2,568

    ahoy ther matey

    hey there, just had a quick look on R414b it is a gas only used in canada
    [ just reading from du pont's website.] looks to be similar as nu22. is you look at the pressure temp chart it shows that...
  11. Replies
    15
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    2,879

    copper

    we had a problem on a unit which kept having leaks on evap coil had it tested in lab said coil was eaten from inside out. i guess from acid build up but compressor was fine
  12. Replies
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    12,048

    buzz bar

    i also agree with the electriian could be a relay buzzing or if there is another contactor in there which could be making the buzzing noise
    you will be able to tell which one one it is if you tap...
  13. Thread: email a/c

    by cool_tech
    Replies
    33
    Views
    2,195

    not diy

    hey guys thanks for your replys ok where do i start,
    compressor was wrong type rated at 25 kw for r404a
    long pipe run anly allowed to vac out for an hour,
    over charged by 10 kg of refrigerant,
    no...
  14. Thread: email a/c

    by cool_tech
    Replies
    33
    Views
    2,195

    email a/c

    Gday guys
    just after some advice on a unit which i was sent to to try and salvage it. a new compressor was put in, a copeland sroller, for an old copeland recip. the compressor is a qr...
  15. Thread: O6E Troubles

    by cool_tech
    Replies
    11
    Views
    1,305

    o6e

    hey guys
    i would take an oil sample and send it to be tested, they will pick up any brass, copper, steel in the oil,
    lukey
  16. hi just did a bathroom upgrade and we have a 3...

    hi just did a bathroom upgrade and we have a 3 in1 fan light heater and an extra fan to get air out.
    easy and cheap wire it in with the other fan
  17. Replies
    1
    Views
    660

    comms problems on trane screw

    g'day
    just after some information or past expeiriences with communication problems on trane screw chillers . the fault was coming up comms failure on compressor unloader. check terminals for...
  18. Replies
    4
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    1,040

    hey guys from what i have seen on...

    hey guys
    from what i have seen on here isnt good about the gauges, i was buying the gauges because they have the vac gauge on them ,
    price of the gauges are $540+10%gst
    a cps vac...
  19. Replies
    4
    Views
    1,040

    refco digimon

    hey guys

    just wanted some thoughts on the digmon gauges they are being released in australia. i have ordered a set and are selling like hot cakes.
    what dramas have peope seen with...
  20. Replies
    15
    Views
    2,144

    gday guys mado has is that a superheat at 6k...

    gday guys
    mado has is that a superheat at 6k degrees celcius which roughly works out to 42f (correct me if wrong)
    does this machine ever turn off ?is it under sized for the application
    i take it...
  21. Replies
    12
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    825

    thanks

    thanks for your info guys great help, i have no hesitations of getting the electronic gauges now
  22. Replies
    12
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    825

    yellow jacket

    hey guys
    just wanted to know what your thoughts are on yellow jacket tools.
    In Aus i havent seen a lot of their tools only know of one shop in melbourne that sells their gear. any tips...
  23. Replies
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    1,057

    water leak

    hey guys,
    You could conduct a oil acid test, water would also block up tx valves and if there is that much water in it and its getting back to compressor then it would short out the...
  24. scrolls

    hey guys
    one thingit could be is the cap tube might be blocked up , have seen it before with simmilar pressures, is it a scroll comp?
  25. Replies
    6
    Views
    745

    water furncae

    hey guys,
    what sort of furnace is this ? does it run on refrigerant, or is a gas burner type
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