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  1. Thread: TXV

    by jackt
    Replies
    7
    Views
    893

    Your wholesaler should also be helpful in helping...

    Your wholesaler should also be helpful in helping you select the correct one if you provide them with the information. Don't be shy in asking for catalogs. The Internet is also helpful, sporlan has...
  2. Replies
    33
    Views
    2,595

    I'd still use the Sporlan balanced port BFSE-A ...

    I'd still use the Sporlan balanced port BFSE-A it's good from 1/2 - 1 ton with 404A and gives you more flexibility depending on you application
  3. Replies
    33
    Views
    2,595

    Poodle Head, I think your one ton TXV will be a...

    Poodle Head, I think your one ton TXV will be a good match. Have you tried using a balanced port TXV, I've been using them a lot and like the way they control SH.
  4. Replies
    33
    Views
    2,595

    I've done almost the exact same thing before and...

    I've done almost the exact same thing before and it worked fine. Just keep both your 1/4" lines close to the same length as well. I also changed two cap tubes over to a TXV on a R-13 cascade...
  5. Thread: Aquarium Chiller

    by jackt
    Replies
    10
    Views
    1,118

    I was trying to be nice and not mention the...

    I was trying to be nice and not mention the s-word. I new the professionals would know exactly what I meant.
  6. Replies
    84
    Views
    4,499

    A good technician who has the interest, training,...

    A good technician who has the interest, training, enthusiasm and really wants to learn all he can everyday he goes to work can earn good money in both trades. I would say a real good experienced...
  7. Thread: Aquarium Chiller

    by jackt
    Replies
    10
    Views
    1,118

    It may be leaking out through the access valve. ...

    It may be leaking out through the access valve. When he was pressure testing it, he most likely left his gauge attached to the valve and might not have seen a leak. Once he disconnects his gauges...
  8. Replies
    14
    Views
    1,689

    I've also had problems with KALB-0100 after...

    I've also had problems with KALB-0100 after converting. I had to install crankcase pressure regulators on some of them. Coming out of defrost on a hot day would always trip it.
  9. Replies
    12
    Views
    2,684

    FYI, I've had several problems with sensor...

    FYI, I've had several problems with sensor failures on Trane RTAA chillers.
  10. Replies
    14
    Views
    1,689

    Be sure to install a high/low pressure switch on...

    Be sure to install a high/low pressure switch on your new unit. I also like to install a time delay relay to prevent short cycling of the compressor. Chances are pretty good that the compressor was...
  11. Replies
    26
    Views
    1,907

    I think you need to look at each application...

    I think you need to look at each application separately. I have eleven schools with VAV's and have spent many hours comparing and trending to see what works best. We are now building two new...
  12. Replies
    16
    Views
    3,004

    I lived in upstate NY for many years before...

    I lived in upstate NY for many years before moving south. I installed a Heat pump in my own home in the late eighties. I know they are more efficient today than they were back then. The heat pump...
  13. Replies
    14
    Views
    1,689

    Did the unit have a functioning low pressure...

    Did the unit have a functioning low pressure switch? If not, how long did it run with no refrigerant? I'm no chemist but I was always told that you could cause problems with the remaining...
  14. Thread: CARRIER RTU's

    by jackt
    Replies
    13
    Views
    1,888

    What do you do with the R-11 when you finish...

    What do you do with the R-11 when you finish flushing the system? I still have several pressurized tanks but I don't dare use them because no one wants the contaminated R-11. I use to work on a lot...
  15. Interesting, learn something new every day. Just...

    Interesting, learn something new every day. Just curious but do you experience any problems with the fans blowing the defrosted water out on to the frozen food? I haven't worked on any coffin...
  16. Replies
    82
    Views
    7,298

    I don't believe there's any restrictions in the...

    I don't believe there's any restrictions in the discharge line. This would most likely starve the TXV causing lower suction pressure. You even have a dirty condenser, bad cond. fan motor, motor not...
  17. Replies
    82
    Views
    7,298

    I believe you would see the opposite effect if...

    I believe you would see the opposite effect if your evap. coil wasn't clean. Lack of air through the evap. coil usually will cause low suction pressure.
  18. I've installed many cap tubes that need to be cut...

    I've installed many cap tubes that need to be cut in the field for whatever application you may have. The roll came with a chart to tell you what length you needed depending on a lot of different...
  19. Depending on were you live, you may be able to...

    Depending on were you live, you may be able to use your heat pump strictly as an AC unit and use your strip heaters for heat. Use a thermostat that has two stages for heat. Either the room...
  20. Replacing the cap tube may not be hard but,...

    Replacing the cap tube may not be hard but, installing the correct size and length can be a pain. Its real important to have the correct one. With your system equalizing so quickly, I would guess...
  21. Replies
    82
    Views
    7,298

    I still believe you need to go back and...

    I still believe you need to go back and recalculate your load and see if you have a big enough system for the load you may be seeing. Also don't forget to figure in your ambient temperature with...
  22. Replies
    7
    Views
    805

    Just curious, what they monitoring to control the...

    Just curious, what they monitoring to control the valve? Are they using condenser water temperature to modulate the valve, head pressure or what? Doesn't make much sense to me. I've used three-way...
  23. Thread: Embalming room

    by jackt
    Replies
    13
    Views
    2,594

    I not sure if I would go with 100% outside air...

    I not sure if I would go with 100% outside air continuously. Good outside air exchange is mostly needed when the embalming is being done. After that is completed a lot more time is spent prepping...
  24. Thread: Embalming room

    by jackt
    Replies
    13
    Views
    2,594

    I agree with the outside air requirements. Also...

    I agree with the outside air requirements. Also consider a separate unit just for the embalming room. The smaller funeral homes spend a lot of time in just the embalming room and probably won't...
  25. Replies
    26
    Views
    1,907

    I've been using Trane Intellipak units supplying...

    I've been using Trane Intellipak units supplying VAV boxes with electric heat strips in most of my new schools. Have save a lot of money compared to all the other systems we have used in the past. ...
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