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  1. Thread: Daikin VRV

    by hvacr
    Replies
    1
    Views
    216

    Daikin VRV

    Im just putting on a course on VRV and was wondering if anyone had any Daikin VRV power points that they would be willing to share.
  2. Replies
    26
    Views
    4,179

    We are doing a 300 bed residence right now using...

    We are doing a 300 bed residence right now using Mitsubishi city multi.
  3. Replies
    48
    Views
    6,994

    We are strictly a HVACR local UA 787

    We are strictly a HVACR local UA 787
  4. Thread: R-123 is coming

    by hvacr
    Replies
    11
    Views
    1,308

    http://www2.dupont.com/Refrigerants/en_US/uses_app...

    http://www2.dupont.com/Refrigerants/en_US/uses_apps/automotive_ac/SmartAutoAC/index.html


    Sent from my iPad using Tapatalk HD
  5. Thread: R-123 is coming

    by hvacr
    Replies
    11
    Views
    1,308

    I think he was referring to 1234z I think is the...

    I think he was referring to 1234z I think is the nomenclature


    Sent from my iPad using Tapatalk HD
  6. Replies
    18
    Views
    1,506

    Where does it say That brazing will void the...

    Where does it say That brazing will void the warranty
  7. Thread: Favorite VFD

    by hvacr
    Replies
    26
    Views
    2,302

    I use ABB and Danfoss Sent from my iPad...

    I use ABB and Danfoss


    Sent from my iPad using Tapatalk HD
  8. Thread: city multi....

    by hvacr
    Replies
    5
    Views
    1,449

    7107 is a BC controller error it is when the port...

    7107 is a BC controller error it is when the port with the wrong number is connected to the wrong address. Do you have the service manual for this machine.
  9. Thread: ITP

    by hvacr
    Replies
    0
    Views
    715

    ITP

    Anyone back from ITP 2010 in Ann Arbour
  10. Thread: Cleaver M5

    by hvacr
    Replies
    6
    Views
    1,086

    We just set it up we are running 4.5%O2 about a...

    We just set it up we are running 4.5%O2 about a .5 inches below manifold CO is about 12 PPM. I can get the actual combustion results later. These are off the top of my head.
  11. Thread: Cleaver M5

    by hvacr
    Replies
    6
    Views
    1,086

    Cleaver M5

    Anyone had issues with these boilers pulsation at high fire.
  12. Thread: emerson

    by hvacr
    Replies
    4
    Views
    635

    I have all the manuals I think, just cant figure...

    I have all the manuals I think, just cant figure out to connect the coil sensor with that little bracket thing they gice you. Any help or links would be awsome.
  13. Thread: emerson

    by hvacr
    Replies
    4
    Views
    635

    emerson

    Anyone ever use emerson EXV with cold room how do you connect ther coil sensor to the coil
  14. Replies
    1
    Views
    582

    Aerco Benchmark 3

    Hello all I have an Aerco Benchmark 3 3,000,000 btu/hr input. I have set it up as per the manual at the different firing rates. manifold pressure constant at 1.8"wc. At 40-50 percent firing rate the...
  15. Thread: York YK

    by hvacr
    Replies
    1
    Views
    324

    York YK

    I was wondering if I could get an optiview service manual for this machineM/N YKM3M2K2 CYGS. It has VGD and we just got it under contract
  16. Replies
    58
    Views
    8,296

    Hello

    I have A TT 300 in a poor retrofit application. Has been going off oh Compression ratio which I understand but has also been going off on BMC fault any ideas.
  17. Thread: York YK

    by hvacr
    Replies
    8
    Views
    806

    Chiller guy I added some info about myself. This...

    Chiller guy
    I added some info about myself. This is 1359 ton machine 4160 V. Thanks for the advise
  18. Thread: York YK

    by hvacr
    Replies
    8
    Views
    806

    York YK

    Hello
    JUst got a new YK to look at. I was wondering if anyone has the new service Manuls as well as teardown Just like to be prepared. This has VGD, I know how it works. JUst want to know set up...
  19. Thread: York YCW

    by hvacr
    Replies
    4
    Views
    900

    York YCW

    Hey all
    Thanks in advance
    Just Started a ycws 140 today and had something quite weird.
    I noticed that the one seperator, DT, Oil temps on comp 2 was about 104oF while the comp1 was approx 130oF....
  20. Thread: York YDHA

    by hvacr
    Replies
    0
    Views
    506

    York YDHA

    Hello All
    I have a YDHA73 i think J2 compressor made by york looking for a teardown manual anyone got anything I can have.
  21. Thread: 700 TON CVHE080

    by hvacr
    Replies
    33
    Views
    1,765

    Are you guys seeing around 10 to 15 degrees...

    Are you guys seeing around 10 to 15 degrees discharge superheat at full load.
    Thanks
  22. Thread: 700 TON CVHE080

    by hvacr
    Replies
    33
    Views
    1,765

    Hello All Are you guys seeing around 10 to 15...

    Hello All
    Are you guys seeing around 10 to 15 degrees discharge superheat on a well trimed machine.
  23. Thread: 30 HWA

    by hvacr
    Replies
    3
    Views
    651

    Thanks There is a service bulletin but iys not...

    Thanks
    There is a service bulletin but iys not the one I listed.
    UA 787
  24. Thread: 30 HWA

    by hvacr
    Replies
    3
    Views
    651

    30 HWA

    This is for all you carrier guys do you have SMB010002 I could have.
  25. Thread: WSC

    by hvacr
    Replies
    12
    Views
    717

    WSC

    I have to overhall A WSC 087 anyone have any tricks to helping the discharge check seat. I dont want to tpull the charge it may look like I have to. Thanks in advanced
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