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  1. Replies
    13
    Views
    12,196

    http://eto.carrier.com/litterature/cm/13440_CONTRO...

    http://eto.carrier.com/litterature/cm/13440_CONTROL_02_2008.pdf
  2. Thread: R-421?

    by superandy
    Replies
    4
    Views
    1,157

    Sorry, made a mistake. 507 has 143a not 134a. ...

    Sorry, made a mistake. 507 has 143a not 134a. 421 is still a hfc blend though.
  3. Thread: R-421?

    by superandy
    Replies
    4
    Views
    1,157

    It looks like R421A is a blend of R-125/R-134a...

    It looks like R421A is a blend of R-125/R-134a (58/42). R421B is R-125/R-134a (85/15). R507 is the azeotropic blend of these two - R-125/R-143a (50/50). So it looks like somebody decided to change...
  4. Thread: O6E Troubles

    by superandy
    Replies
    11
    Views
    1,406

    Two thirds of a sightglass full of oil coild have...

    Two thirds of a sightglass full of oil coild have killed this one. The 06E doesn't like more than three eighths. Page 12 of the compressor service guide explains this. -...
  5. Thread: megger uses

    by superandy
    Replies
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    2,647

    You need to take the links between the windings...

    You need to take the links between the windings out first.
  6. Replies
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    5,519

    Does it have Pro Dialog Plus controls?

    Does it have Pro Dialog Plus controls?
  7. Replies
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    3,003

    40 is pumpdown fault circuit A 41 is pumpdown...

    40 is pumpdown fault circuit A
    41 is pumpdown fault circuit B
    46 is high suction overheat, circuit A
    47 is high suction overheat, circuit B

    103 is high pressurestat compressor A1
    203 is high...
  8. Replies
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    2,605

    There is something in series with the contactor...

    There is something in series with the contactor circuit dropping the voltage. Most likely a safety or control of some sort. When you break the circuit by removing the contactor there is no voltage...
  9. Replies
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    8,375

    There may be a problem with the manufacturing of...

    There may be a problem with the manufacturing of this condensing unit such as a blockage on the discharge line. Can you check the pressure on the liquid line to see if there is a huge difference...
  10. Replies
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    2,954

    CVGF is a two stage, economised, high speed...

    CVGF is a two stage, economised, high speed centrifugal chiller from Trane. They use R134A. I think they are made in France.
  11. Replies
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    2,954

    Check your mail.

    Check your mail.
  12. Replies
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    749

    http://waterheater.stores.yahoo.net/b1284647.html

    http://waterheater.stores.yahoo.net/b1284647.html
  13. Replies
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    2,202

    I think this will work. Credits to jogas for the...

    I think this will work. Credits to jogas for the original artwork.
  14. Replies
    5
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    2,202

    That won't actually work. The compressor won't...

    That won't actually work. The compressor won't turn off at all. When the thermostat opens the relay will still be energised through the contactor auxillary contact. The relay contacts will remain...
  15. Replies
    12
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    1,064

    High suction, low head, low amps and a hot...

    High suction, low head, low amps and a hot compressor would make me wonder if the compressor has internal damage such as broken valves.
  16. Replies
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    1,574

    You're joking right? How can moisture in oil...

    You're joking right? How can moisture in oil blow circuit boards and contactors?
  17. Replies
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    1,397

    If the sightglass is full there is way too much...

    If the sightglass is full there is way too much oil in this system. Maximum recommended oil level is 1/3 of a sightglass. Too much oil will break valves. Broken valves will cause broken con rods. ...
  18. Replies
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    6,523

    So, how is the teardown going?

    So, how is the teardown going?
  19. Replies
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    6,523

    Impeller Spacing

    http://www.xpedio.carrier.com/idc/groups/public/documents/bulletin/CA-SB-19-D-65-28.pdf
  20. Replies
    9
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    2,958

    If the contactors are pulling in you might have a...

    If the contactors are pulling in you might have a fault with the compressor. If they are not pulling in there could be a fault with the relay board, the hp, the motor protection module or the...
  21. Replies
    13
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    12,196

    http://eto.carrier.com/litterature/cm/13054_CONTRO...

    http://eto.carrier.com/litterature/cm/13054_CONTROL_09_2007.pdf
  22. Replies
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    5,407

    It's a free forum. Everyone here is getting...

    It's a free forum. Everyone here is getting information for free. If you don't like that too bad.
  23. Replies
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    5,407

    Section 8 has the rebuild. ...

    Section 8 has the rebuild.

    http://www.trane.com/webcache/rf/centrifugal%20liquid%20chillers%20(ctv)/service/CTV-SG-2_10011986.pdf
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