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  1. Replies
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    Views
    407

    I have plans on a website that just has the floor...

    I have plans on a website that just has the floor plans and outside pics. Haven't committed to the price yet but do love what I see.
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    407

    Great advice everyone. The timetable posted for...

    Great advice everyone. The timetable posted for planning is really helpful along with the advice on hot humid LA. We will be building in West Monroe energy rater..
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    407

    New Construction Advice

    Guys my friend is building a new home approximately 2300 heated sq feet and I will be doing the same in a about two years. I deal with Industrial refrigeration at work but rarely delve into...
  4. Thread: Anomometer

    by daviddsims
    Replies
    7
    Views
    940

    Looks good but I am considering the Testo 417. I...

    Looks good but I am considering the Testo 417. I kind of like the idea of having the vanes vs the hot wire.
  5. Thread: Anomometer

    by daviddsims
    Replies
    7
    Views
    940

    Anomometer

    Just curious if anyone has a meter that will automatically convert FPM to CFM? I have a cheap Extech anomometer that does FPM but not CFM. Any recommendations?
  6. Thread: Heat Load

    by daviddsims
    Replies
    2
    Views
    524

    Heat Load

    Does anyone know of any free HVAC load calculator software? I am at an industrial plant and have a 70 ton York chiller that outputs 46 degree air into a room with product. I am trying to keep this...
  7. Replies
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    9,597

    What is your ideal ranges on a galvanized tower?...

    What is your ideal ranges on a galvanized tower? Just curious if you are treating it what are your limiting numbers on alkalinity, ph, hardness, and conductivity?
  8. Replies
    44
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    4,382

    I was a little worried with the amp draw at 12.5...

    I was a little worried with the amp draw at 12.5 and still getting into the hottest part of the day. The FLA was 14.4
  9. Replies
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    4,382

    The outdoor unit has superheat charging chart so...

    The outdoor unit has superheat charging chart so I used my Fieldpiece HG3 to get a 12 target subcool. Tell me about LL temp - outdoor rule you referenced?
  10. Replies
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    4,382

    So what is the consensus on this unit? Even...

    So what is the consensus on this unit? Even adding refrigerant having trouble getting to the 10 degree subcooling on this unit?
  11. Replies
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    4,382

    Yeah I should have taken it at the evap as it...

    Yeah I should have taken it at the evap as it does run through the attic and it is 103 here as well.
  12. Replies
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    4,382

    No it is not a heat pump. I measured superheat at...

    No it is not a heat pump. I measured superheat at the outdoor unit and subcooling at the outdoor unit.
  13. Replies
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    4,382

    SP=82 DP=255 SL temp=65 LL temp=110 Still...

    SP=82
    DP=255
    SL temp=65
    LL temp=110

    Still not completely happy with the results.
  14. Replies
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    4,382

    Took another look today and sure enough it had a...

    Took another look today and sure enough it had a txv on the evaporator. I added a small amount of refrigerant to try and get to 10 degrees subcooling. Getting about a 15 degree split out of the...
  15. Replies
    44
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    4,382

    It could be a piston. I could not get the cover...

    It could be a piston. I could not get the cover off completely and saw the tubes going into the coils. The unit is a 2004 model so it probably is a piston.
  16. Replies
    44
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    4,382

    I measured the indoor temps at the return grill....

    I measured the indoor temps at the return grill. I was hoping I was not going to hear weak compressor :gah:
  17. Replies
    44
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    4,382

    Cap tube system with 73.5 return and 64 supply....

    Cap tube system with 73.5 return and 64 supply. It is an r-22 system.
  18. Replies
    44
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    4,382

    10 degrees

    10 degrees
  19. Replies
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    4,382

    Checking numbers

    Got a 4 ton unit that is acting up on me. Below are my numbers:

    Outdoor DB=92
    Suction Pressure=82
    Discharge pressure 235
    Liquid line temp=110
    Suction line temp=68
    Indoor DB=73.5
    ID WB=64...
  20. Replies
    10
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    1,214

    Thanks guys. Target superheat on the HG3 was...

    Thanks guys. Target superheat on the HG3 was supposed to be 16 degrees so I was pretty close. I am going to go back and check the numbers today but the house is just very muggy on the inside with the...
  21. Replies
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    1,214

    I was thinking it looked pretty good but the RH...

    I was thinking it looked pretty good but the RH is still pretty high. Guess I will have to check the ductwork or for outside air infiltration.
  22. Replies
    10
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    1,214

    Low superheat

    Guys just worked on a Heil unit fixed orifice that was not cooling correctly. I am typically large industrial ammonia systems so I am double checking myself on this one. Took my HG3 Fieldpiece...
  23. Replies
    10
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    1,088

    It is condensate. When you open the door from the...

    It is condensate. When you open the door from the offices the cool air escapes causing it to become damp in the ambient room. It is in Louisiana where it is always hot and muggy. Was just looking for...
  24. Replies
    10
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    1,088

    Floor sweating issues

    We have a large entrance room coming into our plant that we have a problem with the concrete floor sweating. This room has a thirty foot ceiling with lots of windows with only one small register...
  25. Replies
    62
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    9,597

    Thanks for the help Waterworld. Being in...

    Thanks for the help Waterworld. Being in California I am sure you deal with hazardous waste rules with chemical reagents. Our environmental lady says that since we use a sulfite test for the boilers,...
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