Search:

Type: Posts; User: Nuclrchiller

Page 1 of 20 1 2 3 4

Search: Search took 0.06 seconds.

  1. Replies
    11
    Views
    213

    Some sort of home made leak detection soap? Or...

    Some sort of home made leak detection soap? Or something incorrect used as leak detection soap.
  2. Replies
    11
    Views
    804

    Google "Old Kentucky Logs". Cast concrete log...

    Google "Old Kentucky Logs". Cast concrete log siding that has dovetailed ends. Actually looks nice. At least in the pics.
  3. Replies
    23
    Views
    2,047

    In 1979 one of my Navy schools covered tubes. I...

    In 1979 one of my Navy schools covered tubes. I did well enough that I was appointed Night Study Petty Officer in the Tube Lab for the duration of my class (about 6 weeks). Night Study in the Tube...
  4. Replies
    8
    Views
    546

    This is what the man who hired me in 1985 said....

    This is what the man who hired me in 1985 said. Also that we're in the temperature business, not the pressure business. Also that there's a difference between ten years of experience, and one year's...
  5. Our local Auto Zone "rents" vacuum pumps. That's...

    Our local Auto Zone "rents" vacuum pumps. That's what they call it. Actually, you leave a deposit and they fully refund it when you return the pump. It's a small pump, and I don't remember the brand...
  6. Actually, I was asking what Building Automation...

    Actually, I was asking what Building Automation System is controlling the chilled water plant.
  7. What controls system do you have? Is it the...

    What controls system do you have?
    Is it the controls system that generates these graphs?
    How does the graph compare to the chiller panel?
    When this is happening to chiller #1 (the largest...
  8. Replies
    7
    Views
    490

    Good job! Glad you got it!

    Good job! Glad you got it!
  9. Replies
    17
    Views
    1,814

    I suspect the mister is designed to wet a media...

    I suspect the mister is designed to wet a media only, and that cools the air passing thru, and no water is supposed to hit the coil itself. As to how well such a design works, well...
    I would like...
  10. Replies
    17
    Views
    1,814

    That's what they look like to me.

    That's what they look like to me.
  11. Replies
    7
    Views
    490

    What system are you using to monitor remotely?

    What system are you using to monitor remotely?
  12. Replies
    7
    Views
    490

    When you talk about supply water temp and supply...

    When you talk about supply water temp and supply water setpoint, keep in mind that Chiller Plant Control temps and setpoints, and Chiller temps and setpoints are different things. If the chiller is...
  13. Replies
    6
    Views
    2,838

    Sorry for your loss hurtinhvac. Please pass on my...

    Sorry for your loss hurtinhvac. Please pass on my condolences to your wife and your in laws. Along with my sincere appreciation for his service.
  14. Are you seriously asking how to prevent the wind...

    Are you seriously asking how to prevent the wind blowing through a window screen while the window is open?
  15. Replies
    5
    Views
    999

    This is difficult to answer without knowing which...

    This is difficult to answer without knowing which component in the system is not restarting.
  16. Sometimes the manufacturer "hides" the increase...

    Sometimes the manufacturer "hides" the increase in size. 7-8 years ago I had my home system replaced. When I got home I saw the new condenser section looked to be the same size. Was expecting it to...
  17. Me too. It's called a portable dishwasher...

    Me too. It's called a portable dishwasher adapter. Handy to have.
  18. Replies
    15
    Views
    995

    What is this coil in? Constant Volume air...

    What is this coil in? Constant Volume air handler? VAV ahu? Fancoil?
    If it's one of these applications it probably has a chilled water control valve. Make sure it's operating correctly. Low flow...
  19. You say flows are good, but can you share what...

    You say flows are good, but can you share what you measured with us? Especially interested in chilled water flow. Hope you're using one gauge, moved to both ports.
  20. Replies
    9
    Views
    833

    Some studies have shown increased outside air to...

    Some studies have shown increased outside air to help reduce the spread of COVID-19.
  21. Controlling based on enthalpy means it is taking...

    Controlling based on enthalpy means it is taking into account the humidity.
  22. In commercial HVAC the better outdoor air...

    In commercial HVAC the better outdoor air economizers have a humidity sensor along with a dry bulb sensor. This is to prevent what teddy bear mentions. It will not economize unless both dry bulb and...
  23. Replies
    16
    Views
    978

    MCS? Micro Control Systems. There are some...

    MCS? Micro Control Systems. There are some members here that are very familiar them.
  24. Replies
    16
    Views
    534

    Don't forget the condensate drains for all those...

    Don't forget the condensate drains for all those FCUs. They are a major headache for us.
  25. This ^

    This ^
  26. Replies
    74
    Views
    4,773

    There are 6 of us in our crew. We've been split...

    There are 6 of us in our crew. We've been split into 2 crews and we're on alternating days.
    This started Tuesday (day before yesterday). That was the day after I had returned to work after being out...
  27. Replies
    31
    Views
    3,213

    :cheers:

    :cheers:
  28. Replies
    31
    Views
    3,213

    I'm about 3 or 4 episodes into season 4. So far,...

    I'm about 3 or 4 episodes into season 4. So far, I like it. The main plot has shifted from the protomolecule itself to what they believe may be the (extinct) creators of the protomolecule. Most of...
  29. Replies
    12
    Views
    764

    Thanks. I have not yet had the time to research...

    Thanks. I have not yet had the time to research this further, so this is helpful.
  30. Replies
    12
    Views
    764

    It's the Arc Fault function of a Dual Function...

    It's the Arc Fault function of a Dual Function Circuit Interrupter that interests me. I don't want to give up the GFCI, but if I can combine it with a AFCI (in the same outlet), then that's...
  31. Replies
    12
    Views
    764

    This thread has led me to Google "combined...

    This thread has led me to Google "combined GFCI/AFCI receptacles". It mentioned that there is a DFCI (Dual Function Circuit Interrupter) device available. This was in response to a question asked 3...
  32. Replies
    7
    Views
    769

    The compressor is configured differently. Both...

    The compressor is configured differently. Both impellers are on the same side of the motor, so there is just one shaft sticking out of one end, and the compressor is located on top of the evaporator...
  33. Replies
    7
    Views
    769

    Speaking solely to Trane chillers, a new 1500 ton...

    Speaking solely to Trane chillers, a new 1500 ton chiller (likely a CVHF) has a smaller footprint than a 1980's 1500 ton chiller (CVHB). At least, I believe that's so. I never actually measured that....
  34. Replies
    7
    Views
    769

    In the case of those two chillers it's mostly due...

    In the case of those two chillers it's mostly due to the different types of compressors. York has single stage compressor (one impeller) spinning at a faster rate, Trane has a two stage (two...
  35. Replies
    10
    Views
    495

    For future use, I believe the module will hold...

    For future use, I believe the module will hold its memory for long enough to change out the battery, so make that part of scheduled maintenance. Had one under contract years ago, I think we did that...
  36. Replies
    54
    Views
    3,464

    Maybe I'm missing something, but how do you do...

    Maybe I'm missing something, but how do you do this?
  37. Replies
    17
    Views
    1,259

    Back when I worked out in the field I would...

    Back when I worked out in the field I would sometimes see a maintenance guy do something... questionable. When I'd ask why do you that, almost always the answer would be "that's the way we've always...
  38. Replies
    17
    Views
    1,259

    Manufacturer's literature is probably available...

    Manufacturer's literature is probably available online.
  39. Replies
    5
    Views
    652

    Your question about service support addresses my...

    Your question about service support addresses my standard recommendation for what brand to choose. I would add to that, whoever has the strongest support IN YOUR AREA. I've seen significant...
  40. Replies
    56
    Views
    3,293

    :cheers:

    :cheers:
  41. Replies
    25
    Views
    1,394

    .

    .
  42. Replies
    25
    Views
    1,394

    A chiller with no water has no load.

    A chiller with no water has no load.
  43. Replies
    56
    Views
    3,293

    Non-condensables can also cause high discharge...

    Non-condensables can also cause high discharge temps.
    And you won't see that on the suction side.
  44. Replies
    31
    Views
    3,748

    From a mechanical cooling perspective, the only...

    From a mechanical cooling perspective, the only difference I see between this chiller and a conventional one is it's ability to (in effect) reduce the load on the chiller (mechanical cooling). Sounds...
  45. Replies
    31
    Views
    3,748

    Duplicate post. sorry, got lost, lol.

    Duplicate post. sorry, got lost, lol.
  46. Replies
    31
    Views
    3,748

    Sounds as though the free cooling is simply...

    Sounds as though the free cooling is simply reducing the load on the mechanical cooling. And that is going to happen during cool or cold weather, when a chiller can sometimes struggle with low head...
  47. Refrigerant cooled maybe? Got a model number?

    Refrigerant cooled maybe?

    Got a model number?
  48. Replies
    15
    Views
    3,372

    Thanks. The main reason I asked is that I was...

    Thanks.
    The main reason I asked is that I was kinda disoriented looking at the pics. I couldn't even tell if it was the same location, lol.
    That is a very nice looking install.
  49. Replies
    31
    Views
    3,748

    I'm not familiar with these, but are saying that...

    I'm not familiar with these, but are saying that there are times when flow is split, and going thru both the free cooling and the evaporator at the same time? If so, I would think the evaporator flow...
  50. Replies
    15
    Views
    3,372

    Are we looking at the old and the new from...

    Are we looking at the old and the new from opposite directions?
Results 1 to 50 of 1000
Page 1 of 20 1 2 3 4