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Type: Posts; User: toptech

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  1. Replies
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    So everything I've read requires your exhaust air...

    So everything I've read requires your exhaust air to be vented directly outdoors with no chance of it getting recirculated back into your salon.
    for example, does your current multi port fan exhaust...
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    just re read your post, i see you listed your...

    just re read your post, i see you listed your stations
    im doing a little research to see if i can put you in a better mood.
    I hate it when inspectors gum up the works with no knowledge or...
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    i dont agree, from your posts here I think your...

    i dont agree, from your posts here I think your plan and execution of opening your own nail salon has been spot on. You seem very reasonable and on point. I agree with Poodle Head that your inspector...
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    Chicago Loop Chiller Mechanic

    Looking for a Quality Air cooled chiller mechanic.
    Must(not a plus!) Be willing to see the entire picture, every things that effect's chiller operation. Weather it's poor water flow, poor B.A.S....
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    Subject beat to death? York YCAS

    I guess this might be a little different.
    Every one knows about the loading and unloading issues with the DXS 24,45 compressors
    has Anyone had succes curing the loaded start issue by installing the...
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    I think vac gauges are like religion and politics...

    I think vac gauges are like religion and politics sometimes.
    All I can is I keep it clean with isopropyl and it hasn't let me down. I actually have 2 of these. I'm open to a better verified mouse...
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    For the record , I was testing my rig only for...

    For the record , I was testing my rig only for that particular photo.
    Look close at the photo for the actual evac location8006111
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    Man, I bet your a blast at parties! My hose set...

    Man, I bet your a blast at parties!
    My hose set up is gorgeous! The vac location is fine when you valve it off for a rise test.
    It's not like I said your ghetto vinyl hoses loooked like you...
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    800609

    800609
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    i cant believe i just hijacked a thread!...

    i cant believe i just hijacked a thread! apologies, alcohol was involved...
  11. Replies
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    so CH17 depicts an external flow switch. thats...

    so CH17 depicts an external flow switch. thats all i got
  12. Replies
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    of course the unit diagrams are gone

    of course the unit diagrams are gone
  13. Replies
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    i cant find the thermal dispersion flow sensor...

    i cant find the thermal dispersion flow sensor wiring in the wiring manual.
    im pretty sure its only on the unit diagram. can anyone provide the wiring diagram that depicts the switch?
    i have the...
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    some pics AC

    some pics AC
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    it a cover for the compressor contactor and the...

    it a cover for the compressor contactor and the SPM module
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    they staposedly(GTS) put them in to prevent...

    they staposedly(GTS) put them in to prevent extended periods of reverse rotation at shutdown and some other reason that escapes me. Most scrolls have an internal. These Danfoss did not back 2007 ....
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    To all network service tool users

    I installed a new aquasnap chiller a few weeks ago.
    Version 8 software
    upon commissioning, i disabled all compressors to bring online 1 at a time.
    unit was stuck in control mode 4 emergency....
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    interesting give us an update when ya sort it out

    interesting
    give us an update when ya sort it out
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    ive attached a photo. look at the discharge line...

    ive attached a photo. look at the discharge line on the compressor on far right.
    whats a cct scroll? i dont get out much
  20. Thread: Rtaa retrofit

    by toptech
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    Ive got a RTAA 070 that is slated for me to retro...

    Ive got a RTAA 070 that is slated for me to retro this year. I will be using 407c, new oil, driers etc.
    i'll then spend a day for testing operation and tweaking the superheat setpoint to match up...
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    Carrier AQUASNAP

    model 30RBA 1005 0 3
    serial 1207Q83256

    Callled out for motor temp fault on circuit A
    Found Danfoss A1 siezed up, explains the motor temp fault.
    I noticed both A1 and A2 compressors have been...
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    Ya know, more than 25 years in this field and...

    Ya know, more than 25 years in this field and Trane can make you feel like a first year rookie when ever it feels like!
    So much logic packed into these units, It can really get overwhelming at...
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    Multiple issues solved 1st Supply fan fail alarm...

    Multiple issues solved
    1st Supply fan fail alarm
    This alarm was caused when the unit shut down and tried to restart the following morning.
    Upon start up, the drive was following a minimum speed...
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    Thanks for replies. I'm heading back there late...

    Thanks for replies. I'm heading back there late morning today.
    The transducer is looking for .25VDC to prove flow I believe in addition to the +.15 the fan proving switch requires to close. Ramp...
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    Suffering a beat down via reliatel

    Model TED600B
    2012
    Varitrac with digital CCP
    Supply fan fail alarm
    Pressure sensor fail alarm
    Unit operates normal for a few weeks and will then throw one or both of these codes.
    Replaced so...
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    Saw this today on a 70 ton RTAA. circuit 2...

    Saw this today on a 70 ton RTAA.
    circuit 2 started up, 50F loop temp, R22. suction pressure went as high as 122 psi. oil temp at 188F. i thought it was the cotton blanket on the inner V coils....
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    Just had a 3 yrs old CGAM130 loose circuit 2...

    Just had a 3 yrs old CGAM130 loose circuit 2 compressors A and B. Any service bulletins on this model?
    2012 install and serial
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    Worst auto correct ever

    Worst auto correct ever
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    Gotta say, I'm sold on the danfoss FC HVAC drive....

    Gotta say, I'm sold on the danfoss FC HVAC drive. The most user user friendly keypad in the history of keypads.
    Plus factory start up gets your customet a 6yr parts andabortion warranty.
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    "Trailing edge" meaning if I remove the steel...

    "Trailing edge" meaning if I remove the steel volute ring on each side of housing there will be hole in the lower end of each blade?
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    Mother of pearl now what!

    It's been a week already:/
    I have a Mcquay air handler
    RDS 806BY
    3MK 00099 03
    Bearing failed on backward incline fan
    While changing the bearing I noticed the wheel balance is off. As I rotate...
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    TESTO 550 BT ICEBERG!

    604471

    This happened while charging an AEC
    Screw chiller.
    2 months old
  33. Replies
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    i cut and pasted this from who seems like a smart...

    i cut and pasted this from who seems like a smart guy

    Guys, here's the issue from a VFD mfr's perspective.

    When you UL list a VFD, you are allowed to list it for TWO motor power ratings, based...
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    It always helps to RTFM TAG States rating @ 50C ...

    It always helps to RTFM
    TAG States rating @ 50C = 52.4amps
    Rating @ 40C = 74 amps
    Since this drive is installed in the return airstream it will work just fine.
    Thanks to all
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    Ya it does, i attached a pic of the Tag. im not...

    Ya it does, i attached a pic of the Tag.
    im not sure of this TR1 6027 you mentioned.
  36. Replies
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    Man, i could see if i was installing a FORD, but...

    Man, i could see if i was installing a FORD, but this is a Cadillac unit. I just found out a tech came out to repair burnt wires at the motor about a month ago... i put an email into trane expressing...
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    14th digit specs the motor at 30HP in the IOM...

    14th digit specs the motor at 30HP in the IOM
    doesn't spec drive size, 17th digit specs VAV discharge temp control w/ VFD and Bypass
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    SFHLF75FPL00C8AD7D01ADC00000000RT0M8000

    SFHLF75FPL00C8AD7D01ADC00000000RT0M8000
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    Tr-150p18kt2e20h2

    Tr-150p18kt2e20h2
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    [QUOTE=jayguy;19660711]are you going to need all...

    [QUOTE=jayguy;19660711]are you going to need all 30 hp? maybe you will only need 20 hp and all will be ok.[/QUOTE

    Not sure, ill have to assume the design engineers spec'd the 30 for a reason. I...
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    I'm going with factory mistake. This drive can do...

    I'm going with factory mistake. This drive can do no more that 52 amps
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    Not set, its stamped rated output on the tag.

    Not set, its stamped rated output on the tag.
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    Intellipak Concern

    merry christmas to all those who are inclined to spend like congress;0)

    I have a brand spanking new intellipak
    Model SFHLF75

    unit has a tr150 drive for the supply fan rated at 25HP 52.4 output...
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    55 DAT isn't gonna get it in an active OR. 50F is...

    55 DAT isn't gonna get it in an active OR. 50F is 100 times better, if you can get 47F your a rock star!
    problem with OR'S in my experience are the procedures and the equipment.
    in the rooms,...
  45. Thread: Work Pants

    by toptech
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    20,601

    Waiting on my royalty checks;0)

    Waiting on my royalty checks;0)
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    hmm, 3 f superheat proves you have good charge...

    hmm,
    3 f superheat proves you have good charge unless your evap fans are not operating
    compressor pump down tells me the pump is good
    Can we have proper superheat with low mass flow due to bad...
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    the pressure test imho is protection from joint...

    the pressure test imho is protection from joint failure when your not onsite. Its a controlled disaster test and ensures you bonded the pipe properly at your highest operating pressures. Added bonus...
  48. Thread: Anyone else?

    by toptech
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    here are some photos header is original coil...

    here are some photos
    header is original coil leak
    next 2 pics are of failed replacement coil.
    Carrier actually put out a mandatory rework adding clamps to the discharge lines on this model. i did...
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    seems that unit only has an anti recycle timer....

    seems that unit only has an anti recycle timer. but thats for a AUZA and AUDA units
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    model number seems funky, dont see a Q

    model number seems funky, dont see a Q
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