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Type: Posts; User: turbovac

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  1. Replies
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    528

    remote lcwt reset

    customer has 4 yts about 22 years old, replaced pneumatic system with ddc,
    can anyone send me form 160.46-PA4.1? or where can it be downloaded,
    thanks. my email is in my profile.
  2. Thread: round towers

    by turbovac
    Replies
    3
    Views
    495

    round towers

    this a new tower & has had this problem from day one
  3. Thread: round towers

    by turbovac
    Replies
    3
    Views
    495

    round towers

    has anyone had a problem with the round delta cooling towers blowing water out of the top?
  4. Replies
    4
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    615

    B &G tripple duty valves

    new 8 inch valves, the condenser water leaks back to the cooling tower,
    only once in a while, the valves have been taken apart & inspected, no
    problems found.
  5. Replies
    4
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    615

    B & G trippleduty valves

    has anyone had a problem with these valves leaking back? have 2 doing so
    intermittly, like over the weekend. thanks for any help.
  6. all the installs were in a metal grid with 2x2...

    all the installs were in a metal grid with 2x2 ceiling tiles laid into the grid, the
    units were hung from the decking above the ceiling, stained a piece of 4x4
    1/4 plywood & cut out per the...
  7. adding cassettes

    have installed about 10 or 12 in various classrooms & server rooms but they
    were fujitsu, not familar with dakin, easy install & no call backs on any of them. the on board condensate pump will do 33...
  8. Replies
    13
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    2,297

    b&g 1510 pump shaft sleeve

    lay the shaft on a hard surface like a vice hit, with a ball peen hamer along it`s lenght, rotate 180 degrees & do the same on the other side, do this a few times & it will come off.
  9. Thread: ycas oil?

    by turbovac
    Replies
    1
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    485

    ycas oil?

    what kind of oil does this chiller use?
  10. Thread: 30gxn help

    by turbovac
    Replies
    5
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    623

    30gxn help

    want to install minium load valves on a 30gxn225, the manual part # is
    30gx-900-048 but rcd referrered me to the local carrier parts dealer
    who could not help. can anyone help? in the book this...
  11. Replies
    7
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    624

    hotbox heater for r-113

    triggerhappy nailed it, r-113 boils at 117 degrees, you might get good results
    if the chiller is full of air. when you find the leak there is a good chance the
    freon will have to be removed to...
  12. Thread: 19dk

    by turbovac
    Replies
    21
    Views
    1,310

    19dk

    normally when the back pressure is working properly it builds a small
    column of freon which acts as a seal & raises the pressure in the motor to
    above the tranny which is at cooler vaccum, then...
  13. Thread: 19dk

    by turbovac
    Replies
    21
    Views
    1,310

    19dk

    if the motor terminals are icing the back pressure valve in the motor
    drain down line would be supect. maybe broken spring.
  14. Thread: york yt help

    by turbovac
    Replies
    9
    Views
    809

    york ty help

    these chillers are 1990 vintage & 1991, the 90 panel is one line & does not
    count the hours, the 91 does count hours, the display shows no faults, the
    oil pump runs for longer than usual but...
  15. Thread: york yt help

    by turbovac
    Replies
    9
    Views
    809

    york yt help

    a customer has 4 york yt chillers at 250 tons, 2 on the west side of the
    county & 2 on the east. last nite after running good all day one of each in different buildings came down with the exact...
  16. Thread: 400 ton 19dm

    by turbovac
    Replies
    13
    Views
    1,631

    19dm

    wanted to say thank you to everyone who replyed, this problem solved,
    new problem= completed installing new thrust & got a leak test on fri.
    sat. morn. had 35 microns, changed oil in pump &...
  17. Thread: 400 ton 19dm

    by turbovac
    Replies
    13
    Views
    1,631

    400 ton 19dm

    a good customer has a 19dm that has a leak at the suction elbow to the
    discharge volute [ vane joint] this machine is slated to be replaced this
    summer & does not have anyother leaks. does anyone...
  18. Replies
    24
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    1,712

    cooling tower vfd min. speed

    josey wales said " dying ain`t much of a living boy".
  19. Thread: 300 microns?

    by turbovac
    Replies
    12
    Views
    1,821

    300 microns

    when dehydrating a system remember that a pint/lb of water will make 1000
    cubic feet of vapor when boiled off by vaccum, you need pumping ratios
    of 150 to 0ne, use a pump with a ballast to help...
  20. Replies
    4
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    827

    york ycal0070e

    6 compressors, 4 condenser fans, the first fan behind the control box start in
    reverse but will not switch to forward with pressure set to lowest setting.
    can anyone help with this?
  21. Replies
    1
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    609

    rtac with ch-530 controls

    a good customer has numerous rtac chillers with ch-530 controls,after a
    recent rain storm one of the ch-530 screens was blank, when it was removed
    water ran out of it. has anyone had this...
  22. Replies
    51
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    4,143

    user name

    the first non-recip chiller i ever saw was a trane turbovac with the two
    internal fans & glass oilers for the bearings on the outside of the evap.
    [probably late fortys or early fiftys] the...
  23. Replies
    153
    Views
    38,694

    ycas crap

    just changed 4 compressors in 2 units on the same job,slide valves
    stuck open, opened one up, spring was in a bind.
  24. Replies
    9
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    1,877

    mcquay screw compressor

    thank you all for the help, we were told that it was neccessary to have
    special tools to remove the slinger to get to the terminals, is this true?
  25. Replies
    6
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    942

    17dm

    what the guys said is dead on, if all else fails it could be the wall is not open
    enough. remove the "open" wire from the wall module & apply power & drive
    the wall towards the control panel to see...
  26. Replies
    9
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    1,877

    mcquay screw compressor

    the unit is als195as27, compressor is sal175qa13da, style- mr74165703,
    motor style-073237134
  27. Replies
    9
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    1,877

    mcquay screw compressor

    a good customer has a mcquay air cooled water chiller which a leak at one of
    the motor terminals & was told it could not be field repaired, a new or rebuilt
    compressor was neccessary. can anyone...
  28. Replies
    4
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    837

    h20 piping wrong

    customer has about 35 air handling units that are piped backwards, chill
    water goes in on entering air side of the coil, what effect does this have on
    capacity & humidity control? from 5 to 40 hp.
  29. Replies
    6
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    1,157

    rtaa/rtac replacement fan motors

    has anyone found a replacement for these motors outside of ma trane
  30. Replies
    19
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    2,197

    if you want to stay with trane ask the bean...

    if you want to stay with trane ask the bean counters to do a life study
    of the different chillers
  31. Replies
    8
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    852

    19dh oil pressure

    cut a thin steel plate the same size as the plate on the compressor end of
    the vent line, put a gasket on both sides, cut a 5/8 hole in the center of the plate, works every time.
  32. Replies
    11
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    1,104

    19dg floatbox

    the coil is wired from the end switch on the vane motor thru the purge
    safety switch.service bullitin 19sb73-3d addresses the possibility of over-
    tighting & of sticking in the open position. what...
  33. belimo actuators

    have had problems with belimo also, try their website at belimo.com, they
    have four tech sites in the usa. the website gives the telephone # for
    each site, good luck.
  34. Replies
    1
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    717

    mech systems

    this outfit consist of the old layne/lane trane company of charlotte which
    went back to ma trane, guess they didn`t want ma trane`s bs,they do a lot of work around here, probably be alright.
  35. Replies
    14
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    1,348

    replacement coils

    we only bought chill water coils by the tag # on the coil & never had any
    problems, have not used them lately myself but other techs have.am kind
    of isolated as it is about 110 miles to the office...
  36. Replies
    14
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    1,348

    replacement coils

    we use the coil co., 800 523 7590
  37. Thread: R-123

    by turbovac
    Replies
    16
    Views
    3,264

    removing cvhf charge

    we use trane pumpout, using push/pull method the liquid will take about 1&1/2 hours & get the vapor overnite. before you start completely drain the line
    between the cond & the economizer. this will...
  38. Thread: york purge

    by turbovac
    Replies
    20
    Views
    3,751

    york purges

    agree with drivewizard completely, we have an old belt driven trane purge
    mounted on a handtruck so we can get the yorkies started in the spring
  39. Replies
    4
    Views
    722

    19ea converson

    a customer lost the charge in a 400 ton 19ea, is it possible to change the freon to 134a with making any mechanical changes to the chiller? how much
    capacity would be lost?
  40. Replies
    28
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    3,397

    cold leaker

    had a 1200 ton carrier, steam driven, 17m that was picking up water. many leak test found nothing, removed both evap. water box covers, ran chiller until frost formed on tube sheets, pressurized with...
  41. Thread: york vfd

    by turbovac
    Replies
    2
    Views
    1,441

    york vfd

    customer has a late model york chiller with a vfd & wants a varible speed
    chill water pump. if the flow is reduced thru the evaporator will the vfd go
    back to 60 hertz to stop a surge? any help...
  42. Replies
    4
    Views
    876

    flange bearing remover

    drill 2 holes in a piece of square tubing equal to oppsite holes in brg. weld coupling to sq. tubing in center to hold it on shaft. use all thread rod, pry flange back enough to get nuts behind it,...
  43. Thread: 19 XR

    by turbovac
    Replies
    38
    Views
    4,215

    sharing info

    when i started in the centrifugal repair business as a newbie they put me as a helper for john "red" williams an excellent carrier mechanic who sometimes did things un-orthodox but because of the...
  44. Replies
    1
    Views
    506

    guys, have a customer who is interested in...

    guys, have a customer who is interested in replacing 4 existing cooling towers with plastic towers.have no
    history with them. can anyone help with names? these are in the 200 to 500 ton range. long...
  45. Replies
    13
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    1,169

    acxpert2 is right, the chill water must enter the...

    acxpert2 is right, the chill water must enter the coil on
    the leaving air side or the cooling capacity of the coil &
    its ability to dehumidify is reduced.
  46. Thread: vacuum pumps

    by turbovac
    Replies
    8
    Views
    868

    vaccum pumps

    a pint of water boiled with a vaccum will make about a
    thousand cubic feet of vapor
  47. Replies
    14
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    1,376

    if the oil pressure regulator is separate from...

    if the oil pressure regulator is separate from the oil sump & held up
    by the oil lines you might want to check the diaghram as a
    cracked one will send oil up the equalizer line to the sump
  48. Thread: CVHE Motor

    by turbovac
    Replies
    28
    Views
    2,494

    we send all motors to xcel hermetic motors in...

    we send all motors to xcel hermetic motors in wadesboro,
    nc,who will pickup & deliver,if you have a problem on
    startup they will go to your jobsite. 704 694 6001
  49. Replies
    21
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    2,187

    some years i worked on a 17m that was built...

    some years i worked on a 17m that was built before ww2, it was intended to go on a ship, for some reason it got sent to a building in raleigh, nc, there was a eddy current
    clutch between the motor...
  50. Thread: need fuses

    by turbovac
    Replies
    4
    Views
    1,105

    can anyone tell me where to get 3 500 amp ...

    can anyone tell me where to get 3 500 amp
    fuses,gould amptrap, gould part#, A3-66C500TS?
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