Search:

Type: Posts; User: techtalker

Page 1 of 5 1 2 3 4

Search: Search took 0.01 seconds.

  1. It cools an entire university campus in the...

    It cools an entire university campus in the middle east. The unit arrives in parts... cooler, condenser, drive train, and interconnecting piping all separate. The control panel is wired in...
  2. Brand New 17DA +5000 Ton Chiller installation

    This is one chiller out of six, newly installed
  3. Replies
    15
    Views
    1,046

    20 PSI in the condenser on a low pressure chiller...

    20 PSI in the condenser on a low pressure chiller is not normal. If the purge is not working, then get it fixed. It sounds like your chiller is surging due to air in the system.
  4. Replies
    11
    Views
    1,419

    Does this 19Dr have two compressors on it ? Is...

    Does this 19Dr have two compressors on it ? Is the discharge temp high when both compressors are on, or doesn't it matter ?
  5. Replies
    2
    Views
    506

    Yes. Double risers are used on these units,...

    Yes. Double risers are used on these units, depending on the height, pipe size, etc. Separators are not 100% efficient. The piping needs to be correctly sized. Carrier has a refrigerant piping...
  6. Replies
    51
    Views
    3,501

    And York says that Hermetic motors are a sure way...

    And York says that Hermetic motors are a sure way to contaminate your whole refrigerant charge, and Carrier says that 123 is going to kill us all..

    Jeez - this thread is just junk.
  7. Thread: 19dk

    by techtalker
    Replies
    21
    Views
    1,223

    for your enjoyment here are a few pics from an...

    for your enjoyment here are a few pics from an operational Trane screw chiller 460VAC 400A. Terminals totally covered and bridged with a solid block of ice. Creepy! Not at all relevant to the...
  8. Replies
    2
    Views
    410

    I always hate to say this, but .... Did you...

    I always hate to say this, but ....

    Did you press the reset softkey ? (It should be highlighted)

    What is the message on the default display screen? Is it low evap temperature ? If so, there...
  9. Replies
    11
    Views
    4,012

    Contact the Replacement components division of...

    Contact the Replacement components division of Carrier in Syracuse. 315-433-4226. Tell them the serial number of the machine in question and they will fax you the perfomance data for the machine. ...
  10. Replies
    14
    Views
    1,398

    You have to remember that this chiller uses POE...

    You have to remember that this chiller uses POE oil, with loves moisture. Its very easy for the oil, if left open to atmosphere to become contaiminated.
  11. Replies
    45
    Views
    3,913

    taking apart the pump is not all that difficult. ...

    taking apart the pump is not all that difficult. My guess is that the main bushing (No bearings in the pump) is probalby gone. Look at the parts book to see if you can get individual parts instead...
  12. Replies
    0
    Views
    416

    Copeland Application R-22 to other ref

    I saw this application bulletin come in from Copeland compressor, and I thought all of you should be aware....:)

    NO: MB2008CC-40
    DATE: 12/1/2008
    TO: Air Conditioning Original Equipment...
  13. Replies
    6
    Views
    2,646

    it can work, just make sure that the building...

    it can work, just make sure that the building stays dehumidified. Otherwise, if the humidity is high in the space, the cold beams can condense the moisture out, and there are no drip pans on these...
  14. Replies
    19
    Views
    4,312

    One of the main claims of this "snake oil" is...

    One of the main claims of this "snake oil" is that the "polarized molecules" of the additive bond to the heat transfer surfaces and improve boiling heat transfer performance by removing oil fouling...
  15. Replies
    19
    Views
    4,312

    Boy this stuff keeps on coming around in...

    Boy this stuff keeps on coming around in different forms !!:eek:

    please see this link: http://www.refrigtech.com/magic.html

    I've said other things about these types of additives in older...
  16. Replies
    2
    Views
    652

    That's a RTH sccrew....

    That's a RTH sccrew....
  17. Replies
    2
    Views
    652

    Trane Screw phase loss

    I have a Trane screw unit, RBH 150, that is going into phase loss alarm before the compressor can even try to start. Any ideas out there ?
  18. Replies
    6
    Views
    860

    section 440-22 of the code, section C states that...

    section 440-22 of the code, section C states that the protective device rating will not exceed the manufacturer's values. so the electrician need to read a little bit further.
  19. Replies
    11
    Views
    1,004

    If your inlet and outlet water pressures are the...

    If your inlet and outlet water pressures are the same, then you don't have any flow through the coil. Start looking for a bad valve, snapped shafts can sometimes fool ya.
  20. Replies
    2
    Views
    853

    Look at the top of the web site and do a search...

    Look at the top of the web site and do a search for "Dolphin". It is not anything you want to use.
  21. Thread: Wtf?

    by techtalker
    Replies
    10
    Views
    1,317

    That used to be a problem way back when. I...

    That used to be a problem way back when. I remember tying in generators while working on board merchant ships. You'd have to look at the light bulbs and make your timing just right.

    Now with...
  22. Replies
    11
    Views
    3,359

    This is our past. There are plenty of district...

    This is our past. There are plenty of district heating and cooling plants out there. most of them supplying chilled water to hospitals, universities, county and state gov. etc. Example: The TECO...
  23. Thread: Wtf?

    by techtalker
    Replies
    10
    Views
    1,317

    HFC -134a

    HFC -134a
  24. Replies
    39
    Views
    5,040

    consolidmech - I don't know where you got your...

    consolidmech - I don't know where you got your information from, but there is no change to the bearings of a 19XR whether or not it has a vfd on it or not.
  25. Replies
    9
    Views
    1,123

    More than likely suspects to your problem: ...

    More than likely suspects to your problem:

    1) Machine has been wet
    or
    2) Someone is using the wrong oil for the unit
Results 1 to 25 of 116
Page 1 of 5 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event