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Type: Posts; User: daviddsims

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  1. Replies
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    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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    448

    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
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    986

    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
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    986

    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
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    554

    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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    10,211

    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
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    4,549

    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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    4,549

    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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    4,549

    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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    4,549

    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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    4,549

    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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    4,549

    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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    4,549

    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
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    4,549

    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
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    4,549

    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
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    4,549

    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
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    4,549

    10 degrees

    10 degrees
  19. Replies
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    4,549

    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
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    1,248

    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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    1,248

    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
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    1,248

    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
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    1,115

    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
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    1,115

    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
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    10,211

    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,...
  26. Replies
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    10,211

    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...
  27. Replies
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    10,211

    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...
  28. 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....
  29. Replies
    6
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    1,318

    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...
  30. Replies
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    779

    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...
  31. Replies
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    779

    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....
  32. Replies
    12
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    779

    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...
  33. Replies
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    4,207

    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.
  34. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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.
  35. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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...
  36. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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?
  37. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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.
  38. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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...
  39. 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.
  40. Replies
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    4,916

    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.
  41. Replies
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    4,916

    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....
  42. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    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?
  43. Replies
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    10,069

    Man I thought not eating hot dogs and potted meat...

    Man I thought not eating hot dogs and potted meat was picky but now I see some of the things on here and realize maybe those two arent that gross. Working at a poultry plant broke me from those two...
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    440

    We got a study guide when I went to school....

    We got a study guide when I went to school. Pretty much everything that was in the book was on the test. Not bad at all.
  45. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    Well thats a good thing to know. Is there another...

    Well thats a good thing to know. Is there another hvac meter that is better?
  46. Replies
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    It is a goodman unit so I have heard about them...

    It is a goodman unit so I have heard about them having crappy txv valves. Unit isnt but a little over a year old. Going to do a little more studying on it because both parents are in the hospital...
  47. Replies
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    I have a guy at work who is Twili brother. I had...

    I have a guy at work who is Twili brother. I had to put Twili pic up on his locker.
  48. Replies
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    1,145,096

    Poll: Thoughts and prayers are with you.

    Thoughts and prayers are with you.
  49. Thread: Fluke 902

    by daviddsims
    Replies
    39
    Views
    2,650

    I am looking at getting the 902 model. I have a...

    I am looking at getting the 902 model. I have a 177 I use at the plant for my job but really liked the looks of the 902 with all the different things it can do. Just looking for someone local who...
  50. Replies
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    680

    This is probally just a grab to get more money...

    This is probally just a grab to get more money for there project. I just cant see the whole GPS system crashing.
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