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Type: Posts; User: curdogg08

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  1. Replies
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    1,255

    I try to tell the customer to use the coil dry...

    I try to tell the customer to use the coil dry option when ever possible or set it up in the timer, some splits have the option others dont, as far as cleaning them, they have a little flex built...
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    439

    cgafc304ade1a0c00gh000000t0w00

    Im working on a cgafc air cooled chiller used for process cooling, my problem is the unit keeps shuting off on HI comm loss between modules, unit says check wiring, all looks good even the...
  3. Replies
    10
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    1,572

    Just wanted to mention,and im sure you know,take...

    Just wanted to mention,and im sure you know,take that subcooling temp before in it goes into the suction/L line heat exchanger. Its sounds like power head may have a small leak in it or some kinda...
  4. Replies
    7
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    1,135

    goodman 410a coils

    Has anybody been having problems with goodman evap 410a coils leaking,on heatpumps i have and every time i get a new one its taller or has more coil surface :anyone:
  5. Replies
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    986

    yeah this was my original thought, that the hot...

    yeah this was my original thought, that the hot gas bypass was stuck open,so i replaced it and no sooner than i replaced that valve i turn the system on and notice the txv valve power head rusted and...
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    986

    it runs smooth after it starts, im thinking i may...

    it runs smooth after it starts, im thinking i may have too much oil cuz i did notice the oil with foam, and the oil livel got higher as the unit ran. according to the 06e manual foam in a r-22 system...
  7. Replies
    9
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    986

    06e problem on start up

    Ok, im working on a 100 ton gb 22 year old carrier liquid chiller, can't remember the model number. I arrive and find circuit 2 locked out and my mission is to get circuit 2 up. on start up the...
  8. Replies
    5
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    1,625

    barber coleman room controller

    Im wondering if anyone has a link or info on checking out a proportional room controller by barber coleman mn-SLC-8000, this system it is used on controls water temp going to a autoclave. Im really...
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    576

    federal job in jacksonville fl

    We are hiring 2 hvac tech in jacksonville fl, we deal which a wide range of equipment, like cascade eviromental chambers 300 ton trane and york chillers, walkin cooler and even refrigerators
    I have...
  10. Replies
    6
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    859

    I was reading the package and it looks like the...

    I was reading the package and it looks like the new compressor has oil 45 in it and the system has oil 42, this compressor locked up, I changed the contactor and reversed rotation before condeming it...
  11. Replies
    6
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    859

    steel to copper

    Im getting ready to replace a tandem compressor on a artic chiller which uses trane 3d scrolls, but its been awhile since the last time i did this. My question is what type of filler should i use....
  12. Replies
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    647

    Kramer Walkin

    Looking for part # on 2DF3-030-TFD-200 VALVE PLATE, IM CHANGING THE PLATE AND LIQ LINE SOL WHILE I HAVE THE SYSTEM OPEN ( OLD KRAMER WALKIN) IT SATISFIES TEMP AND THEN SHORT CYCLES ON PRESSURE RISE....
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    555

    well, had my first plugged filter on a new unit...

    well, had my first plugged filter on a new unit today, that was weird :confused:Anyways unit is up and running good.
    I have to say i never do to much roof top work and im glad,every bulikd ive been...
  14. Replies
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    555

    york RTU MN:D3CG072N07925B

    Ok, Unit Was Installed 3 Months Ago, I Get The Call, Unit Is Off On Low Pressure Lock Out.
    Readings
    73deg R/a
    57deg S/a
    80 Deg Amb
    Suct 58 Psi 32 Sat
    Dis 235psi 112 Sat
    S/h 43 Deg
    Sub 28 Deg...
  15. Replies
    16
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    2,277

    I changed the 1u13 board today and got the same...

    I changed the 1u13 board today and got the same effect. I finally had time to sit down and trouble shoot and found the problem, first is i was looking at the wrong diagnostic codes lights on versus...
  16. Replies
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    2,277

    When i was working on it there was 1U13 board...

    When i was working on it there was 1U13 board with the glass relays, it looked like it was new because it had no marks on the clips and wrapped in plastic,deffinetly going to install it tomorrow. Its...
  17. Replies
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    2,277

    it looks like this thing only has 1 sensor, water...

    it looks like this thing only has 1 sensor, water outlet sensor, which i replaced with a new one.I looked around thinking that it might have another like the new units but i didnt see one
  18. Replies
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    2,277

    Ok, today I replaced the controller with a...

    Ok, today I replaced the controller with a questionable one and i still got the same code low temp and low flow.
    recap
    water temp sensor changed and good
    chill water flow good plus jumped out...
  19. Replies
    16
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    2,277

    Maxster, i checked the 7/8 terminal with sensor...

    Maxster, i checked the 7/8 terminal with sensor disconnected and got no reading, im assuming i should have some kind of resistance at those terminals, I checked the controller according to service...
  20. Replies
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    2,277

    this unit will not even start, it goes off on LTC...

    this unit will not even start, it goes off on LTC as soon as it goes through all its checks. this system is only running off of one circuit, circuit 1 is shut down due to busted barrell,and they are...
  21. Replies
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    2,277

    I removed the sensor from the tube completely and...

    I removed the sensor from the tube completely and let it hang free in the mechanical room which is about 100degrees, it was even warm in the barrell from the heat of chill water pump running all...
  22. Replies
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    2,277

    Thanks,thats wierd how a bad ground can cause...

    Thanks,thats wierd how a bad ground can cause that, i will check that and a couple of more things monday,but if you or anybody else knows anything i should check please advise, i have'nt had to much...
  23. Replies
    16
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    2,277

    Cgwcc701rhnjj423agpt Problem

    I'm trying to get my CGWCC up and running but it keeps locking out on low water temp fault, the water temp is about 112Deg due to the pump creating heat, it only has 1 sensor on the outlet of the...
  24. Thread: trane CGAF

    by curdogg08
    Replies
    13
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    1,562

    sorry for the late response but it ended up being...

    sorry for the late response but it ended up being the inlet and outlet sensors
    thanks for all the help
    james
  25. Replies
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    543

    variable speed

    I was just wondering, on variable speed air handlers,is their a certain type of t stat needed or can you use just a regular robertshaw 9420 or something like that?, which has 2 heat and 2 cool. I do...
  26. well systems is running good, replaced the plug...

    well systems is running good, replaced the plug and dual control, all is well so far
    thanks for the help
  27. Thread: trane CGAF

    by curdogg08
    Replies
    13
    Views
    1,562

    This thing is piped from chiller barrell to 2way...

    This thing is piped from chiller barrell to 2way mixing valve which either sends chill water to a storage tank or to the heat exchanger depending on the temp.there is a george fisher temp controller...
  28. Thread: trane CGAF

    by curdogg08
    Replies
    13
    Views
    1,562

    Just opinion, looks like you may be right, while...

    Just opinion, looks like you may be right, while abserving the inlet and outlet temp i notice the inlet temp lower than the outlet and that was befor ethe hot gas bypass opened. the chiller ste point...
  29. Thread: trane CGAF

    by curdogg08
    Replies
    13
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    1,562

    This set up has a ethlyne glycol resevoir, so i...

    This set up has a ethlyne glycol resevoir, so i can see the glycol moving to the resevoir pretty good, the only other thing i was thinkingof was that maybe that the resevoir is not full and the pump...
  30. Thread: trane CGAF

    by curdogg08
    Replies
    13
    Views
    1,562

    trane CGAF

    Im working on a TRANE CGAF used for process cooling. the acid has to be 32*
    F, the unit works great until it gets to 32*f and then it trips out on evap solution flow loss! I checked the flow switch...
  31. Thanks, Ive been looking online but i really...

    Thanks, Ive been looking online but i really didnt know what I was supposed to be looking for.learn something new everyday
    thnaks again
    james
  32. Need info on copeland water cooled condenser unit

    this system is set up like a cascade system, a chiller outside gets the supply water down to 40*. well to make a long story short some one run the copeland condenser unit without the other chiller...
  33. Replies
    3
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    691

    trane rtaa 185

    can anyone send me a pdf onTrane Service Bulletin RTAA-SB-5 “Control Operation, Setup and Troubleshooting for RTAA Series R Air-Cooled Chiller Control Panel. UCM.”
    james.a.curry@navy.mil

    thanks ...
  34. Replies
    12
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    2,018

    Well i found out what one of the problems was! I...

    Well i found out what one of the problems was! I listen to the guy that placed the trouble call and he said the filter was fine and that it had just been changed 3 weeks ago. I looked at the filter...
  35. Replies
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    2,018

    kerndt The original complaint was unit would not...

    kerndt
    The original complaint was unit would not maintain temp and that it would kick off on high head pressure on 404 side 1st stage. They use this chamber in +180 down to -30 for hours at a time.I...
  36. Replies
    12
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    2,018

    thermotron problem

    I have a thermotron cascade system with 404a and r -23, water cooled.
    Im haveing a problem with the 404a side kicking off on high head of 300psi. I had several rusted txv's on both systems so i...
  37. Replies
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    3,388

    Yeah the heat strips have nothing to do with...

    Yeah the heat strips have nothing to do with defrost except keeping customer warm when the unit is in defrost, The unit is actually cooling the house during defrost, so hot gas in the condenser melts...
  38. Replies
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    2,499

    I dont think you can do a copelamatic compressor...

    I dont think you can do a copelamatic compressor like this, It oil pump can only run one direction. One of the techs out here didnt have the rotation right and it almost snapped the oil pump right...
  39. Thread: Hello...

    by curdogg08
    Replies
    68
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    4,538

    hey thermotron, i read just briefly threw this...

    hey thermotron, i read just briefly threw this thread, but are you a mech on enviromental chambers? I ask because we have 27 of your machines and sometimes they throw me for a loop. Im sure youve...
  40. sounds like its overcharged, I just walked in the...

    sounds like its overcharged, I just walked in the house from one that was way way over charged, i had like 400 head, the funny thing is I was at this house in july and i had like 36* subcooling and i...
  41. Thread: Tuesday vote

    by curdogg08
    Replies
    18
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    1,006

    republican party has more back bone, and ive seen...

    republican party has more back bone, and ive seen more action out of them than the demo's. And if im gonna go back to iraq then i want bush on my side! Beside i don't wanna pay more money for people...
  42. Man! democraps are so blind, Im in the army and...

    Man! democraps are so blind, Im in the army and ive been in iraq for 2 tours and i come home and see the lies that the main stream media has all over the tube and all the celebs that are talking bad...
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    870

    I don't know i guess i was bored!

    I don't know i guess i was bored!
  44. Replies
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    870

    what is the resistance supposed to be on a...

    what is the resistance supposed to be on a 208/240 pri 24v sec 40 va transformer, i know when its bad, ive replace many in my time in the field, but was wondering!
    like what scale do i check it on?...
  45. Replies
    0
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    420

    Im working on a oil chiller for a motch grinding...

    Im working on a oil chiller for a motch grinding machine and it's low on oil, its a small chiller made by kollant koolers and I added more oil by front seating the suction discharge line and taking...
  46. Replies
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    2,001

    This is just a ten ton unit with not unloaders,...

    This is just a ten ton unit with not unloaders, hermetic compressor. Its chills the water for a laser, but the refrigeration cycle is fairly simple. Ive just have never had a hot gas bypass go bad on...
  47. Replies
    11
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    2,001

    Im looking for some info on hot gas bypass, like...

    Im looking for some info on hot gas bypass, like how the valve operates and what pressure makes it open. I have a chiller that is running fine but it will not get the water pass a certain point, I...
  48. Replies
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    1,581

    Im looking for a good book or website on...

    Im looking for a good book or website on fabricating duct board
    thanks
  49. Replies
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    565

    I have a RTAA 185 that keeps tripping on low oil...

    I have a RTAA 185 that keeps tripping on low oil flow, but it only seems to do it in the evening about 5 O"Clock, i live in florida and it gets hotter around that time.On this unit i have to have a...
  50. Replies
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    864

    does anyone know where i can get some info on...

    does anyone know where i can get some info on this unit, besides trane.Everytime i ask trane to send a book, they send a sales pitch manual like im buying the thing.
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