Search:

Type: Posts; User: hvacr

Page 1 of 6 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    19
    Views
    1,088

    I'm looking at a windows surface

    I'm looking at a windows surface
  2. Replies
    50
    Views
    2,166

    I forgot to mention we live in Canada it all...

    I forgot to mention we live in Canada it all comes down to good design of the system
  3. Replies
    50
    Views
    2,166

    We have buildings that are heated with vrf heat...

    We have buildings that are heated with vrf heat pumps that have no real issues holding temperatures.
  4. Replies
    7
    Views
    969

    I have done about 20 of these give PM me if you...

    I have done about 20 of these give PM me if you need any help I will do what I can.
  5. Thread: Dallas

    by hvacr
    Replies
    2
    Views
    394

    Dallas

    I'm heading to Dallas mid July for training can anyone give me some places I need to see when I'm down
    Thanks in advance
  6. Thread: Daikin VRV

    by hvacr
    Replies
    1
    Views
    391

    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.
  7. Replies
    26
    Views
    5,828

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

    We are doing a 300 bed residence right now using Mitsubishi city multi.
  8. Replies
    144
    Views
    12,537

    We are strictly a HVACR local UA 787

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

    by hvacr
    Replies
    11
    Views
    1,642

    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
  10. Thread: R-123 is coming

    by hvacr
    Replies
    11
    Views
    1,642

    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
  11. Replies
    18
    Views
    1,944

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

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

    by hvacr
    Replies
    26
    Views
    3,077

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

    I use ABB and Danfoss


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

    by hvacr
    Replies
    5
    Views
    1,891

    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.
  14. Thread: ITP

    by hvacr
    Replies
    0
    Views
    939

    ITP

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

    by hvacr
    Replies
    6
    Views
    1,295

    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.
  16. Thread: Cleaver M5

    by hvacr
    Replies
    6
    Views
    1,295

    Cleaver M5

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

    by hvacr
    Replies
    4
    Views
    730

    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.
  18. Thread: emerson

    by hvacr
    Replies
    4
    Views
    730

    emerson

    Anyone ever use emerson EXV with cold room how do you connect ther coil sensor to the coil
  19. Replies
    1
    Views
    730

    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...
  20. Thread: York YK

    by hvacr
    Replies
    1
    Views
    420

    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
  21. Replies
    58
    Views
    9,803

    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.
  22. Thread: York YK

    by hvacr
    Replies
    8
    Views
    927

    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
  23. Thread: York YK

    by hvacr
    Replies
    8
    Views
    927

    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...
  24. Thread: York YCW

    by hvacr
    Replies
    4
    Views
    1,054

    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....
  25. Thread: York YDHA

    by hvacr
    Replies
    0
    Views
    641

    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.
  26. Thread: 700 TON CVHE080

    by hvacr
    Replies
    33
    Views
    2,072

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

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

    by hvacr
    Replies
    33
    Views
    2,072

    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.
  28. Thread: 30 HWA

    by hvacr
    Replies
    3
    Views
    774

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

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

    by hvacr
    Replies
    3
    Views
    774

    30 HWA

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

    by hvacr
    Replies
    12
    Views
    833

    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
  31. Thread: FX06

    by hvacr
    Replies
    0
    Views
    499

    FX06

    Im looking to use a FX 06 to run a walkin freezer with electric defrosts.
    During defrost solenoid closes fans turn off and electric heaters energize.
    For set peroidof time, if coil temp increase to...
  32. Thread: Turbocor issues

    by hvacr
    Replies
    4
    Views
    864

    Turbocor issues

    I was wondering how you get software for the compressors I have called the Factory several time with no luck in anyone getting back to me.
  33. Thread: 19 Dk

    by hvacr
    Replies
    4
    Views
    875

    The complete model number is 19DK50123AC

    The complete model number is 19DK50123AC
  34. Thread: 19 Dk

    by hvacr
    Replies
    4
    Views
    875

    I will get the whole number in about a hour

    I will get the whole number in about a hour
  35. Thread: 19 Dk

    by hvacr
    Replies
    4
    Views
    875

    19 Dk

    Hello
    I have a 19DK 501 I need a IOM and unit charge as there is no name plate I charged it today but want to see if I'm close
  36. Thread: FX06

    by hvacr
    Replies
    3
    Views
    705

    my email address is hvac.r@live.com Thanks in...

    my email address is hvac.r@live.com
    Thanks in advance
  37. Thread: FX06

    by hvacr
    Replies
    3
    Views
    705

    FX06

    Hello
    Does anyone have any applications for air handlers with 1 stage of cooling and modulating hot water valve for heat. Cooling controlled from room air heating controled from d/a. cooling...
  38. Replies
    2
    Views
    660

    If acess is good not alot of security etc I would...

    If acess is good not alot of security etc I would allow 2 hrs per piston
  39. Thread: Mcquay

    by hvacr
    Replies
    4
    Views
    712

    Mcquay

    Hey
    I have to change the compressor terminals on a WDC 087. Do you guys use any thread sealeant on the threads. There is a oring. This is a spark plug style terminal.
    Thanks.
  40. Thread: Wdc 087

    by hvacr
    Replies
    9
    Views
    807

    Thanks I have been to a few before never had a...

    Thanks
    I have been to a few before never had a bad Terminal. I do know about making sure the compressor is pumped out. I dont want any flying saucers.
    Thanks
  41. Thread: Wdc 087

    by hvacr
    Replies
    9
    Views
    807

    Wdc 087

    Hello
    Thanks in advance
    Im working on a WDC 087 Dual R 134a Machine. I have two problems
    1st Terminal 4 is leaking, I have never had the terminal on one of these. Can they be tightened up or...
  42. Thread: Comfort Manager

    by hvacr
    Replies
    0
    Views
    424

    Comfort Manager

    Hello
    Thanks in advanced
    I have to change from a TC1 to a TC3 interface on a 10 ton voyager
    I tried to could not get the comfort manager to pick it up
    Do you use com3 isolated or com 3/4...
  43. Replies
    1
    Views
    503

    trane comfort manager

    Hello
    Thanks in advanced
    I have to change from a TC1 to a TC3 interface on a 10 ton voyager
    I tried to could not get the comfort manager to pick it up
    Do you use com3 isolated or com 3/4...
  44. Replies
    9
    Views
    1,217

    Thanks I wrote it down wrong our pumpout unit...

    Thanks
    I wrote it down wrong our pumpout unit shuts off at 29".
    The reason why I ask Maint people told us that the old company just used Nitrogen.
  45. Replies
    9
    Views
    1,217

    Low Pressure Chiller Pump out

    Hello
    How far down do you guys pull a chiller down when pumping it out I try to get them dowm to 20-25 " vac at least and then break with N2. What are you guys doing.
  46. Replies
    3
    Views
    738

    The six spring I think it a ydtl108 not sure of...

    The six spring I think it a ydtl108 not sure of the top of my head
  47. Replies
    3
    Views
    738

    York YT Bellow Shaft Seal

    Does anyone have part numbers for this updated shaft seal. Also a picture of it woud be great.
    Thanks
  48. Replies
    20
    Views
    2,275

    I kind of thought there was a small orfice in the...

    I kind of thought there was a small orfice in the flare cap leaving the purge
  49. Thread: Thread Sealeant

    by hvacr
    Replies
    15
    Views
    1,747

    Thread Sealeant

    Hello
    I have to replace pressure reliefs on some centrifugals, I have used Loctite 545 I think the one designed for refrigerant. WHat are you guys using.
  50. Thread: Itp

    by hvacr
    Replies
    0
    Views
    438

    Itp

    Anyone here gone to ITP Training this year
Results 1 to 50 of 259
Page 1 of 6 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event