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  1. Thread: Help with RAUCC

    by CAOFGJ
    Replies
    4
    Views
    1,130

    Not to repeat, but I think you have to check...

    Not to repeat, but I think you have to check total system static, compare it to blower performance chart, and go from there. My experience on big ones like that, is that they never have close to...
  2. Replies
    1
    Views
    513

    Controls supplier

    What is the controls supplier that sometimes advertise on this site? I want to see if they have some stuff I'm looking for, but can't remember the name.
  3. Replies
    29
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    1,973

    It won't, 21 1/4# 410a per circuit. Thank you...

    It won't, 21 1/4# 410a per circuit. Thank you guys for the help. I will post what transpires.
  4. Replies
    29
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    1,973

    I have tried them when they are completely cooled...

    I have tried them when they are completely cooled down, waited for over 24 hrs, still same problem.
  5. Replies
    29
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    1,973

    The manual says they can handle 120 EWT load side...

    The manual says they can handle 120 EWT load side @ 3gpm/ton. Thats 150 gpm load side, I have 111. Engineers design EWT is 110, I have seen it get up to at least 118 EWT, so I need to resolve that....
  6. Replies
    29
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    1,973

    If that is the case, I should just have the...

    If that is the case, I should just have the controls guy change the parameters at which 2nd stage kicks on. Have 1st stage stay on for a longer period of time before 2nd stage calls. I have heated...
  7. Replies
    29
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    1,973

    They are running the water temps up to 125 before...

    They are running the water temps up to 125 before it shuts off. Think this is creating to hot of disharge gas? Should I run them down around 110? Even if I do, I think they would run up to 125 or so...
  8. Replies
    29
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    1,973

    Discharge line same temp as suction line.

    Discharge line same temp as suction line.
  9. Replies
    29
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    1,973

    [QUOTE=d_griff;9278791]Are you losing the signal...

    [QUOTE=d_griff;9278791]Are you losing the signal to the RV?
    Also is there any chance the unit gets satisfied and the RV losses the signal but the compressor stays running to satisfy the minimum run...
  10. Replies
    29
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    1,973

    yes

    yes
  11. Replies
    29
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    1,973

    [QUOTE=ascj;9276701]Is that 158 and 111 total for...

    [QUOTE=ascj;9276701]Is that 158 and 111 total for all 4 HP's? I hope not.

    Nope, 158 GPM source, 111 GPM load, per unit.
  12. Replies
    29
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    1,973

    I guess not positive, here is the symptoms. -Low...

    I guess not positive, here is the symptoms.
    -Low side pressure nearly the same as discharge gas.
    -Suction line same temp. as discharge gas.
    -RV powered up, but will not respond to removing power...
  13. Replies
    29
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    1,973

    -Water Furnace NXW540's -Controlled by building...

    -Water Furnace NXW540's
    -Controlled by building automation
    -The RV's are powered in heating mode. I wanted to energize them constantly, but WF advised me against it, for fear of burning up the...
  14. Replies
    29
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    1,973

    On monday I will valve off flow to the load side...

    On monday I will valve off flow to the load side on one to try and build head. Just a thought, will I be able to build head if it is by-passing to the suction? I would'nt think I could build much if...
  15. Replies
    29
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    1,973

    Thanks, but I would still like to know how you...

    Thanks, but I would still like to know how you would properly check the charge under the circumstances?
  16. Replies
    29
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    1,973

    By "design GPM" I mean engineered design, not...

    By "design GPM" I mean engineered design, not factory design.
  17. Replies
    29
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    1,973

    So your telling me that I have 4 factory charged...

    So your telling me that I have 4 factory charged circuits all in different hp's with incorrect charge? Two of them have been recovered, and weighed back in to the exact factory charge they are...
  18. Replies
    29
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    1,973

    -Factory charged -Water temps ESWT-60 ...

    -Factory charged
    -Water temps
    ESWT-60
    LSWT-57
    ELWT-104 (Both stages running)
    LLWT-124 (Both stages running)

    -This is heat mode
    -3 first stage circuits, 1 second stage circuit
    -It's...
  19. Replies
    29
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    1,973

    Water to Water HP's

    So, I know I am not a proffesional member yet, but I am having some issues that I need help with. I have 4-50 ton water to water heat pumps on a job. They are set up to do a lead/lag type sequence....
  20. Replies
    4
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    964

    Were at in Chili? My father in-law lives in...

    Were at in Chili? My father in-law lives in Santiago, hope to go someday.
  21. Thread: Colorado

    by CAOFGJ
    Replies
    5
    Views
    587

    I went in July, 2000. Best thing for me. I came...

    I went in July, 2000. Best thing for me. I came out of high school without a clue of what I wanted to do. I got a job at a sheet metal shop, my boss sent me to the school hoping to get me a base to...
  22. Thread: Membership

    by CAOFGJ
    Replies
    22
    Views
    980

    Whoops, guess I screwed up rule number one.

    Whoops, guess I screwed up rule number one.
  23. Thread: Membership

    by CAOFGJ
    Replies
    22
    Views
    980

    Nice, thanks.

    Nice, thanks.
  24. Thread: Colorado

    by CAOFGJ
    Replies
    5
    Views
    587

    2000

    2000
  25. Thread: Membership

    by CAOFGJ
    Replies
    22
    Views
    980

    The sticky on pro membership application? I...

    The sticky on pro membership application? I filled out the application, and submitted it with my credentials attached. Just wondering how long it takes to be accepted, or if you are notified one way...
  26. Thread: Membership

    by CAOFGJ
    Replies
    22
    Views
    980

    Membership

    How long does it usaully take to get member status once you have applied?
  27. Thread: Colorado

    by CAOFGJ
    Replies
    5
    Views
    587

    Colorado

    I am from Colorado. I am an 11 year technician. My role for the company I work for in the last 4 years, has been servicing, and starting up light commercial/industrial equipment. I will soon be...
  28. Thread: Recovering Oil

    by CAOFGJ
    Replies
    5
    Views
    864

    Applying right now. Thank you for the help, I...

    Applying right now. Thank you for the help, I will keep you posted.
  29. Thread: Recovering Oil

    by CAOFGJ
    Replies
    5
    Views
    864

    So now I need to recover again, and put...

    So now I need to recover again, and put appropriate amount in the system?
  30. Thread: Recovering Oil

    by CAOFGJ
    Replies
    5
    Views
    864

    Thank you. I was always told that no significant...

    Thank you. I was always told that no significant amount would be recovered, when recovering a system. Just recovered a system, made repair, and charged with fresh refrigerant. Pretty sure I lost most...
  31. Thread: Recovering Oil

    by CAOFGJ
    Replies
    5
    Views
    864

    Recovering Oil

    Is it possible to recover a significant amount of oil during the recovery of a system?
  32. Thread: Service dpt.

    by CAOFGJ
    Replies
    3
    Views
    489

    Will check it out. Thank you.

    Will check it out. Thank you.
  33. Replies
    21
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    3,119

    Ran for about a minute before it went out on...

    Ran for about a minute before it went out on thermal. Was rolling up cords while I gave it time to stablize. Didn't even put temp. probes on lines yet. Felt suction as soon as it went out on thermal,...
  34. Thread: Service dpt.

    by CAOFGJ
    Replies
    3
    Views
    489

    Service dpt.

    Was wondering if anyone knows of a good book or reference for building a service dpt.. I was recently asked if I would be interested in being the service manager for a growing service dpt. We have...
  35. Replies
    21
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    3,119

    Yes voltage is correct, rotation correct. I...

    Yes voltage is correct, rotation correct. I did'nt replace compressor. It was replaced 1 year ago by another contractor. Just replaced liquid line and drier.
  36. Replies
    21
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    3,119

    Not worried about migration at this point,...

    Not worried about migration at this point, happened right after initial weigh in of charge.
  37. Replies
    21
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    3,119

    Thats the thing though, I already corrected the...

    Thats the thing though, I already corrected the liquid line and removed solonoid valve at Tranes recomendation. I agree, the head isn't so outta wack to have anything to do with the thermal that...
  38. Replies
    161
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    9,652

    19. Was working on prefab concrete walls my first...

    19. Was working on prefab concrete walls my first week outta high school. Hated it, and found a job doing HVAC. Boss wanted me to be a tech and sent me to some basic schooling.I like learning...
  39. Replies
    13
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    1,132

    In our company if the tech sells the pm as well...

    In our company if the tech sells the pm as well as does the paperwork, he get all the comission. If the office ladies have to get involved, i.e. type proposals it gets split. If a office lady gets a...
  40. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    1 circuit

    1 circuit
  41. Replies
    21
    Views
    3,119

    [QUOTE=coolerinfrederick;7025732]i have to agree...

    [QUOTE=coolerinfrederick;7025732]i have to agree with dice, if they screwed up liq. line size then it's probably safe to say the suction is wrong too[/QUOTE

    Went through Tranes piping manual for...
  42. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    22

    22
  43. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    Head was 290 psi before it cut out. Not really...

    Head was 290 psi before it cut out. Not really out of wack considering it was 100 deg plus outside. It had only ran a minute when it cut out. Again suction was 75 psi. Was cleaning up when it cut...
  44. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    Yes that compresors has thermal limit. It opens...

    Yes that compresors has thermal limit. It opens all three windings, it's 3 ph.
  45. Replies
    21
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    3,119

    The customer had been losing compressors left and...

    The customer had been losing compressors left and right on two 10 ton splits. Customer came to us hoping we would solve the problem rather than just slapping in a new compressor. Assuming the worst...
  46. Replies
    7
    Views
    2,307

    I have had leaks on Aspens, but at no more...

    I have had leaks on Aspens, but at no more occurance than any other coil. If I had my preference, I would choose a Carrier system. I like their evap coils.
  47. Replies
    21
    Views
    3,119

    Trane 10 ton TTA

    Just cut into a Trane TTA120 split system. The liquid line was grossly oversized and I replaced it at Tranes recomendation. Replaced line drier and removed a suction drier from previous compressor...
  48. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    The compressors thermal is tripping.

    The compressors thermal is tripping.
  49. Thread: Trane TTA120

    by CAOFGJ
    Replies
    15
    Views
    3,416

    Come on people, don't be shy.

    Come on people, don't be shy.
  50. Replies
    2
    Views
    744

    Had the same problem in a laser tag building....

    Had the same problem in a laser tag building. They eventually got rid of the fogger.
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