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  1. Senior (30+yrs. exp.) Master Commercial Field Tech/Foreman

    Hi all-
    Looking for advice or input about relocating from the Mid-Atlantic market.
    I have 30+ well rounded years in the industry, all in the field.
    The past ten years have been with mission...
  2. Senior (30+yrs. exp.) Master Commercial

    Hi all-
    Looking for advice or input about relocating from the Mid-Atlantic market.
    I have 30+ well rounded years in the industry, all in the field.
    The past ten years have been with mission...
  3. Hi Answerman, Thanks for offering to send the...

    Hi Answerman,
    Thanks for offering to send the IOM but I think I already have a copy.

    You are in over your head and you are definitely offering wrong answers at this time.

    The Lee Temp has...
  4. Thanks Answer Man. How does the Lee Temp...

    Thanks Answer Man.
    How does the Lee Temp accomplish free cooling as you said?
  5. I see. So there is not a p66 on fan number one?

    I see.
    So there is not a p66 on fan number one?
  6. Replies
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    A P trap at the outlet of the AHU should be all...

    A P trap at the outlet of the AHU should be all that is needed.
  7. Sounds like a classic overcharge. Could it be...

    Sounds like a classic overcharge.
    Could it be that this happened on the first high ambient day of the season, then the weather cooled off and everything is fine again?

    Sort of a common thing with...
  8. Thread: Assitance:

    by atmosphere
    Replies
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    265

    And thank you, Mr. Dawg.

    And thank you, Mr. Dawg.
  9. Replies
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    526

    And we know cchtrs. fail from time to time.

    And we know cchtrs. fail from time to time.
  10. Replies
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    York IGV Blower parts

    I have a site that needs blower IGV actuator linkage parts . It is a York 25+yr.old with a 30 HP supply fan and 15 HP return fan with vent and purge functions.
    Previous techs (?) have removed some...
  11. Replies
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    You may want to check your in/out temp splits....

    You may want to check your in/out temp splits. The delta T will be lower the more dirty the coils are.
  12. Replies
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    Be careful with the Aqua's. The sizing has to be...

    Be careful with the Aqua's. The sizing has to be right or you will be seeing too many starts per hour and lockouts. Think about buffer tank if you go there. Total system volume is important. Consider...
  13. Replies
    17
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    1,341

    It sounds like you have found yourself in a great...

    It sounds like you have found yourself in a great opportunity and asking the right questions.
    Sure wish i had the internet when i was in your shoes. Instead it was scouring used bookstores, trying...
  14. Replies
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    I bought one and used it a few times so far. It...

    I bought one and used it a few times so far. It was worth the money.
    Still need a calculator along with it to get CFM... unless I am missing something.
    It is a bit more compact than the nice...
  15. Replies
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    5,004

    dang another useful old tif. Wish I could find...

    dang another useful old tif.
    Wish I could find my TIF strobe RPM.
    That was when you had to have the Beckett and the
    TIF clamp to roll.
  16. Replies
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    4,829

    Thanks.I did not know there was a difference.

    Thanks.I did not know there was a difference.
  17. Replies
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    4,829

    I haven't read all of this thread but with two...

    I haven't read all of this thread but with two schnockered contactors I bet you have been undercharged in low ambient conditions .
    The chatter is caused by the low psi switch making and breaking and...
  18. Replies
    49
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    4,829

    Was your timer about to defrost when this...

    Was your timer about to defrost when this happened?
  19. If those are the notes given to you in the class,...

    If those are the notes given to you in the class, then i would put those values down on the test.

    It is good that you are asking these questions. Especially that you realize there are certain...
  20. Replies
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    1,097

    Correction. The upflow is the happier of the...

    Correction.
    The upflow is the happier of the two.
    A couple of 1"x6" 's straddling the rear of the coil and the upper chassis brace shimming with heavy cardboard pieces will make the blower more...
  21. Replies
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    1,097

    I am doing one today in fact. Downflow is a...

    I am doing one today in fact.

    Downflow is a bear.

    You will be removing the entire bulkhead electrical
    panel.

    When it is all over you will be scratching your head wondering why you have...
  22. Replies
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    1,434

    I guess that was the only way to get them down...

    I guess that was the only way to get them down the steps.
    As i recall they had the inshot burner with a big old bonnet.

    They were from like Cincinnati?

    They were Cadillacs.
    The homeowner...
  23. Replies
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    1,434

    Yeah it makes the "sensitivity" adjustment go...

    Yeah it makes the "sensitivity" adjustment go whack.
  24. Replies
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    1,434

    The Iron Fireman. Now that is a real blast...

    The Iron Fireman.

    Now that is a real blast from the past.

    Takes me back to 6-8 "clean and checks" per day in the east side of Cleveland.
    Gravities, fan forced, and boilers too.

    That was...
  25. Pull the vent off the gas regulator. If they...

    Pull the vent off the gas regulator.
    If they have taken it off and put a pipe gooseneck in its place, take it off and blow thru it. It should be free.If not, get a solder stick and clean it out. ...
  26. Replies
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    1,434

    I could use a good "psycho" meter to test a few...

    I could use a good "psycho" meter to test a few folks I know.
    I mean, just to establish a good baseline before we start talking.
  27. If it is a semi it makes a very brief growling...

    If it is a semi it makes a very brief growling noise and goes into internal O/L.
  28. Replies
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    Check your condenser fans Tstat settings and...

    Check your condenser fans Tstat settings and calibration.
  29. Replies
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    1,334

    Most of the existing OEM's online give rigging...

    Most of the existing OEM's online give rigging instructions to avoid new non LEED skylights.
  30. Thank you.

    Thank you.
  31. Trane fan coil Old Unitrane model number description

    I am trying to get an old model number description (about 1983) in order to provide proper data to Trane for replacement units. What I am looking for are what the old system digits meant like 3 or 4...
  32. Replies
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    1,224

    And are your pumps on the roof or down below. Are...

    And are your pumps on the roof or down below. Are they on vfd's or constant volume. Are there three way valves or two way.
  33. Replies
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    1,081

    You will need to get the head off whether you...

    You will need to get the head off whether you repair or replace...
    mixed brass pays less.
    And that makes for more salad, "bunny".
  34. Replies
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    1,044

    It is Tracer ZN510 or 524 with a baysens 006B...

    It is Tracer ZN510 or 524 with a baysens 006B ZSM.
    My question is, can I get a list of the current diagnostics thru an LED blinks code or do I have to sic "Rover" on it. The literature on the...
  35. Replies
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    Trane expert WSHP GEHB048

    Does anyone know the model number of the ZSM with a set point only? Also the main board has only one LED w/ no test pins. Seeing no fan op, steady Green LED.
    There are no occupancy switches on the...
  36. Replies
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    Some of the AAON machines size their VA's very...

    Some of the AAON machines size their VA's very closely. Look for damper actuators,added relays (like for fire alarms) etc. Not much additional capacity is available with the OEM transformer.
  37. Where your boilers are located in reference to...

    Where your boilers are located in reference to your pump package will make a difference.
    Think about column weight in your risers.

    Ground control to Major Atwood...
  38. Thanks for the instruction.

    Thanks for the instruction.
  39. You could get a second opinion. Contractor 1...

    You could get a second opinion.
    Contractor 1 provided a well written explanation of his diagnosis and remedy.
    Contractor 2 might not be as sharp.
    The question you will have to answer is if you are...
  40. Replies
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    6,337

    Thanks for this diagnostic tool. Brings me back...

    Thanks for this diagnostic tool. Brings me back to building my first vacuum pump from an old GM Fridgidaire refrigerator compressor (they ran in a vacuum normally). And the old Simpson 260, then when...
  41. How is the oil doing?

    How is the oil doing?
  42. Replies
    7
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    1,569

    I have serviced alot of churches over the years...

    I have serviced alot of churches over the years and also have commonly found airflow issues. Certain wings and rooms get closed off so that only the office area(s) which are occupied daily are left...
  43. Replies
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    2,416

    Hi rheff, have you run this unit in "test" mode...

    Hi rheff, have you run this unit in "test" mode yet?
  44. Where your boiler is located in reference to your...

    Where your boiler is located in reference to your pumps is important to know. Also if you have a multi storey bldg. where are the pumps.
  45. Are your boilers on the same level as your pumps,...

    Are your boilers on the same level as your pumps, are are they lower? Your loop psi may be too high.
  46. Are the boilers tempering this loop directly, or...

    Are the boilers tempering this loop directly, or do they do it thru a heat exchanger?
  47. Replies
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    1,569

    All diffusers open?

    All diffusers open?
  48. The expansion tank is okay..... meaning??

    The expansion tank is okay..... meaning??
  49. Data Center Knurr Cooltherm w/o CoolCon

    Anyone with experience on these racks could you email me?
    Thanks.
  50. Replies
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    1,900

    If you have a VP motor sheave you could close it...

    If you have a VP motor sheave you could close it some and see what you get.
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