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  1. Replies
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    I just got charged labor. The only good thing...

    I just got charged labor. The only good thing about this is I know what I am looking for when I build my new home next year.
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    This was a brand new subdivision at the time and...

    This was a brand new subdivision at the time and the installing company did them all from scratch. I would say it's on them.
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    Five years almost to the day of install.

    Five years almost to the day of install.
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    Funny thing is I put it on the lowest and didn't...

    Funny thing is I put it on the lowest and didn't notice any slower speed. I even took all readings on the wires each time and it was the same.
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    Quite the racket Doug...

    Quite the racket Doug...
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    I have not checked the static pressure on the...

    I have not checked the static pressure on the system but judging from the install, it is probably pretty high. I am actually selling the house this summer and will be building a new one. The whole...
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    I just changed it to blue and then red afterwards...

    I just changed it to blue and then red afterwards with no speed drop. I even amped the wire and no amp reduction on the fan. Very strange....
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    X13 Problems

    The X13 indoor blower motor finally quit working in my home unit so I called the company that installed the York unit when the house was built so I could get warranty on the motor. The tech came out...
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    536

    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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    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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    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...
  12. Thread: Anomometer

    by daviddsims
    Replies
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    1,221

    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.
  13. Thread: Anomometer

    by daviddsims
    Replies
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    1,221

    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?
  14. Thread: Heat Load

    by daviddsims
    Replies
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    689

    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...
  15. Replies
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    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?
  16. Replies
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    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
  17. Replies
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    5,729

    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?
  18. Replies
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    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?
  19. Replies
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    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.
  20. Replies
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    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.
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    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.
  22. Replies
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    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...
  23. Replies
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    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.
  24. Replies
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    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:
  25. Replies
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    5,729

    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.
  26. Replies
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    5,729

    10 degrees

    10 degrees
  27. Replies
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    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...
  28. Replies
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    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...
  29. Replies
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    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.
  30. Replies
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    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...
  31. Replies
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    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...
  32. Replies
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    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...
  33. Replies
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    12,915

    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,...
  34. Replies
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    Great info Waterworld. I implemented the deadband...

    Great info Waterworld. I implemented the deadband change on our controller today and will see how it works out. What is the maximum amount of alkalinity you want in a cooling tower? We just cant seem...
  35. Replies
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    Great info on water treatment. We have had...

    Great info on water treatment. We have had numerous issues with water treatment at my facility since plant startup two years ago. We have three evaporative condensers that have heavy traces of white...
  36. We recently trialed a UV light system called UVOX...

    We recently trialed a UV light system called UVOX at our facility that did not work out well. Promised to be chemical free but after less than two months we had to pull the plug due to corrosion....
  37. Replies
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    AHU Graphics

    Looking for some example graphics of AHU units. Our air handlers have return air fan and supply fan, three sets of louvers (return, exhaust, and outside) and a chilled water coil then a hot water...
  38. Replies
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    949

    Sorry I should have been more clear. The climate...

    Sorry I should have been more clear. The climate is in North Louisiana which is very muggy and hot most of the time. It is a large factory that has plenty of steam and water going inside the plant...
  39. Replies
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    I do appreciate the help everyone. Currently we...

    I do appreciate the help everyone. Currently we run our chilled water to 47 degrees and then it passes through a reheat coil to heat the air to a programmable setpoint which is usually 75 to 80....
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    Humidity Sensors

    I work at a new large industrial plant. We currently have 9 very large 25k cfm units with chilled water coils and reheat coils for worker comfort throughout the plant. We are wanting to install some...
  41. Replies
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    Anyone know where to buy some new hoses for a...

    Anyone know where to buy some new hoses for a manifold? Some of the o-rings in mine are wore out and leak a little. Local shops want to sell everything but I just want the hoses.
  42. Thread: Fluke 902

    by daviddsims
    Replies
    39
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    3,057

    Well after a trip to all the supply houses around...

    Well after a trip to all the supply houses around here they all carry fieldpiece and no fluke. Guess I will have to order online to get the fluke.
  43. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    3,057

    Well right now I take a regular pocket...

    Well right now I take a regular pocket thermometer and wrap in armaflex. When I was in school the instructor had some really old meter that had a flat probe that you wrapped up. It still wasnt the...
  44. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    3,057

    Oh ok I see now. I probally need to just get a...

    Oh ok I see now. I probally need to just get a standalone then. So the pipe clamp adapter is the best thing for superheat?
  45. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    3,057

    So if the 902 does temperature also why not go...

    So if the 902 does temperature also why not go with it? Just curious why a standalone thermometer would be better? I can get the 902 for cheaper than the standalone.
  46. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    3,057

    Yea I am looking at at the fluke 52-2 with the...

    Yea I am looking at at the fluke 52-2 with the clamp probe. I am tired of trying to use a pocket thermometer for superheat and subcooling. So basically looking at around 400 for meter and clamp. Just...
  47. Replies
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    Yeah they will think twice about a few dollars...

    Yeah they will think twice about a few dollars off when its a 100 degrees outside. I dont mind paying a fair price if its quality work.
  48. Replies
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    5,404

    Good to know about Hilti. It is getting really...

    Good to know about Hilti. It is getting really hard to find anything thats not made in China now.
  49. Replies
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    5,404

    I thought Hilti was made in America but I could...

    I thought Hilti was made in America but I could be wrong. We just changed out all of our Dewalt stuff at work over to Milwaukee V series and wont look back. One major gripe with Dewalt is the chuck....
  50. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    3,057

    So I am wanting to get a meter with temperature...

    So I am wanting to get a meter with temperature to check superheat and subcooling. What is the best combo for that?
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