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Type: Posts; User: jayguy

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  1. Replies
    3
    Views
    148

    What do you plan on replacing?

    What do you plan on replacing?
  2. Replies
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    395

    i have run across several jobs where they spec'd...

    i have run across several jobs where they spec'd the largest motor allowed for that model because they weren't given an airflow design criteria other than '75 ton rooftop'.

    i ran across a 40 HP...
  3. Replies
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    395

    are you going to need all 30 hp? maybe you will...

    are you going to need all 30 hp? maybe you will only need 20 hp and all will be ok.
  4. Amen!

    Amen!
  5. Thread: Holiday Pay

    by jayguy
    Replies
    27
    Views
    866

    I get paid OT for anything over 8 hours in a...

    I get paid OT for anything over 8 hours in a day...they are charging for OT and so I get paid OT. Double time on Sundays and holidays. Standby pay only if you are on-call. No paid holidays unless I...
  6. That IS hot gas bypass. It's not GOOD hot gas...

    That IS hot gas bypass. It's not GOOD hot gas bypass, but it is hot gas bypass. Piping it after the TXV offers so many more advantages, removes a bunch of extra valves, creates ease of ...
  7. Replies
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    319

    unloaders are used to cut capacity while...

    unloaders are used to cut capacity while running....not for unloading just before you shut the compressor off.

    let's say the discharge setpoint was 55F...at about 52F, you activate the unloader....
  8. Replies
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    319

    X2. There are too many different types of...

    X2. There are too many different types of unloaders and too many situations of when to specify 1 type over another. Generally, you use them for unloading or when you run very close to the freeze...
  9. Replies
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    262

    Most (if not all) of the old cast iron...

    Most (if not all) of the old cast iron compressors had relief valves inside from the discharge to the suction in a case of "too high of a pressure differential" situation. I am not certain that ALL...
  10. Replies
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    982

    on smaller pieces of equipment, string and...

    on smaller pieces of equipment, string and bendable aluminum angle brackets would probably work ok...especially when the belt hawg won't fit in between the pulleys, however, if the belt hawg fits, it...
  11. Replies
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    982

    Belt Hawg....nothing better. Once you learn how...

    Belt Hawg....nothing better. Once you learn how to align properly, you see the faults in everything else.
  12. Thread: silencer mishap

    by jayguy
    Replies
    7
    Views
    595

    Sneaky-Pete!!!

    Sneaky-Pete!!!
  13. Thread: silencer mishap

    by jayguy
    Replies
    7
    Views
    595

    I was just thinking of him the other day....I was...

    I was just thinking of him the other day....I was wondering if he was still there.
  14. Thread: Trane Voyager

    by jayguy
    Replies
    28
    Views
    1,013

    From the little information posted, you went...

    From the little information posted, you went right to cracked heat exchanger?
  15. Thread: Trane Voyager

    by jayguy
    Replies
    28
    Views
    1,013

    Yup. If it is a small VAV, then there is going to...

    Yup. If it is a small VAV, then there is going to be a bypass or "dump" damper somewhere and it is probably open too much. That is why I wanted both temperatures.
  16. Thread: Trane Voyager

    by jayguy
    Replies
    28
    Views
    1,013

    So you actually measured the air temperatures...

    So you actually measured the air temperatures right? And they are? Anyone work on it recently? Has it always had this issue or it has just never been this bad? Have you checked the fire dampers?
  17. Hey Mr. Kotter!!

    Hey Mr. Kotter!!
  18. Thread: silencer mishap

    by jayguy
    Replies
    7
    Views
    595

    Step up to your mistake and get it corrected. If...

    Step up to your mistake and get it corrected. If you haven't made a big mistake before, then you haven't been in the industry very long. At the Tane office I was at, one of the other techs "topped...
  19. Twice per year? I have units (not dialysis...

    Twice per year? I have units (not dialysis machines/centers) that are running on the same set of belts for over 7 years. Granted, VFD and 24/7/365 operation, but still.
  20. Thread: Question??

    by jayguy
    Replies
    19
    Views
    948

    Refrigeration is not mechanically different from...

    Refrigeration is not mechanically different from air conditioning....some will want to tell you it is different. But it isn't.

    It DOES run more on the ragged edge of performance. It is usually...
  21. -0.2" w.c. means nothing (well, not exactly, but...

    -0.2" w.c. means nothing (well, not exactly, but it doesn't mean all is good and well). it is important that you stay around that number, however, PRESSURE doesn't equal cubic feet of gas. it is...
  22. What is happening to the belts? Breakage? Wear?...

    What is happening to the belts? Breakage? Wear? Disintegration? When I hear "properly aligned and tensioned" I usually find alignment problems and over-tensioned belts.

    Don't forget that some...
  23. How do I help? You have told me nothing other...

    How do I help? You have told me nothing other than you need help with a possible heat problem.
  24. Replies
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    528

    Yup. And stop using your gages.

    Yup. And stop using your gages.
  25. Replies
    7
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    420

    A Dwyer red guage oil manometer is about as...

    A Dwyer red guage oil manometer is about as accurate as any of the digital units out there except the Fluke 917(?). I only went to the Fluke because it was more accurate than the Dwyer and I got...
  26. Replies
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    3,164

    I have had many times where they work...

    I have had many times where they work intermittently. Usually a dirty flame rod or a burner issue.
  27. Typically, when a solenoid is piped backwards,...

    Typically, when a solenoid is piped backwards, they won't close. But if the solenoid is restricted, it's restricted.
  28. Replies
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    1,488

    you also forgot to run a ground to the...

    you also forgot to run a ground to the RTU's...man, the engineering community is really going downhill anymore. i really like the "kazillion volts"...i will have to check to see if my meter will go...
  29. Replies
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    1,488

    What kind of RTU has a pedestal fan in it? Must...

    What kind of RTU has a pedestal fan in it? Must be an old one.
  30. Replies
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    2,270

    ...or longer. just ask my....oh wait...

    ...or longer. just ask my....oh wait...
  31. Replies
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    314

    i don't really care. i get everything laser...

    i don't really care. i get everything laser aligned and then i don't have any issues. occasionally, i will get a set of belts with a bad "casting" that has a large seam or bump on it. i just hand...
  32. When I hve come across the "insulation under the...

    When I hve come across the "insulation under the terminal" on a VFD, it always sounded like it was ratchet/gear-driven and the motor wouldn't turn so it was an easy diagnosis. Sorry I didn't offer...
  33. Amen. How are we to ever settle OUR argument if...

    Amen. How are we to ever settle OUR argument if he doesn't chime back in????
  34. The title says "Warranty and customers working on...

    The title says "Warranty and customers working on their own stuff"....not "I am warranting repairs made by others".

    I read what it says not what it may or may not imply. IF the OP is warranting...
  35. the OP never said anything about his customer...

    the OP never said anything about his customer wanting warranty after breaking it. the OP did ask for help about how to talk to the customer about it. while a good reputation is important and worth...
  36. #1 answer on the board!! If he is paying the...

    #1 answer on the board!! If he is paying the bill, then who cares. If it is coming back to bite you in the ass, charge more. If you want to get rid of him, charge him so much he finds someone else...
  37. i hafta agree. get stuff fixed and lower your...

    i hafta agree. get stuff fixed and lower your discharge air temperature...58F is pretty warm...especially with a 4F deadband. the difference between a 20 ton unit and a 30 ton unit really isn't that...
  38. You just got discredited in court...be careful of...

    You just got discredited in court...be careful of what you say and how you say it.




    So you are part of the court case in some way or you are now just taking care of the facility? I guess I...
  39. With the SEARCH feature, you will find a few...

    With the SEARCH feature, you will find a few hundred posts about this issue on this site.
  40. Replies
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    648

    We keep mentioning "local codes".....they don't...

    We keep mentioning "local codes".....they don't have a main road to the town...how much detail could there be in the "local codes"?

    I am not saying that the OP should provide crap because there...
  41. I understand what you need, however, it is a...

    I understand what you need, however, it is a pretty precarious situation you are putting yourself in trying to use a single term.

    There are just too many factors involved to make a good judgement...
  42. Thread: Free Heating

    by jayguy
    Replies
    8
    Views
    717

    Perfect!

    Perfect!
  43. Replies
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    1,314

    I was really referring to Jacobs post and not the...

    I was really referring to Jacobs post and not the OP. Sometimes goggle is NOT your friend. The line between "learning a little more" and "I can only point it out in a room" can be a little fuzzy...
  44. Thread: A/C renew

    by jayguy
    Replies
    17
    Views
    968

    This has always been my stance as well. I am...

    This has always been my stance as well. I am curious about the "pressurized can" part....what is it pressurized with? Do you put it in a running system? It says for R22 AND 410a systems but there...
  45. Replies
    28
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    1,314

    I am sure that the line was passed a while ago on...

    I am sure that the line was passed a while ago on that reasoning too.
  46. Replies
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    1,314

    Be careful with google and YouTube. Just because...

    Be careful with google and YouTube. Just because they can hold a video camera doesn't mean that they know what they are doing. However, some manufacturers have videos which are great. My...
  47. Replies
    28
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    1,314

    Who said that he is billing the customer? While...

    Who said that he is billing the customer? While it is true that it seems unfair to the customer to learn on the job, there is always some learning on the job no matter what.

    Nobody can fairly say...
  48. Replies
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    1,314

    Also, get the name of the boiler and find out who...

    Also, get the name of the boiler and find out who the rep is (for parts and some help) and then you can find out where you go for technical support. Often times the manufacturer will have information...
  49. Replies
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    448

    Uh...the above comments AREN't in writing?

    Uh...the above comments AREN't in writing?
  50. Replies
    9
    Views
    448

    I wouldn't...unless you want to sell more belts.

    I wouldn't...unless you want to sell more belts.
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