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Type: Posts; User: newbe0507

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  1. Replies
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    this was a good learning thread thanks guys,...

    this was a good learning thread thanks guys, bought me a new fluke rotation meter, very nice unit
  2. Replies
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    i think if you would switch any 2 phases on the...

    i think if you would switch any 2 phases on the load side of the starter the compressor is going to try and spin backwards regardless if its in y or delta., and sorry man but on a 45k compressor i...
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    the problem is the guy who installed the...

    the problem is the guy who installed the compressor no longer works with us and is how i say not to be trusted.
  4. Replies
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    there has to be a better way than just hook it up...

    there has to be a better way than just hook it up the way it was disconnected. phm - its not open drive.
  5. Replies
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    1,186

    a screw

    a screw
  6. Replies
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    1,186

    y delta start phase check?

    if a compressor starts using wye delta , do i need to still check with a phase rotation meter?
    after installing a new one ?
  7. Replies
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    1,099

    thanks E

    thanks E
  8. Replies
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    E, how do you come up up with that ? you could be...

    E, how do you come up up with that ? you could be on to something noise doesnt start until the 6th floor . im kinda confused about the vacuum thing. cN you explain this , thanks
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    good ol, its a amtrol AX 280 V x tank. how do i...

    good ol, its a amtrol AX 280 V x tank. how do i check to insure its working ? is it a bladder type tank ?
  10. Replies
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    poodle, fan coils are all under 5 yrs. old. and...

    poodle, fan coils are all under 5 yrs. old. and none that i checked had strainers. there is a stand by pump but it is off. not sure im getting the prv ? are you refering to where the supply taps...
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    im thinking about quoting a drive on the pump and...

    im thinking about quoting a drive on the pump and use the discharge pressure as a reference. set the drive min hz. high enough to keep the flow up on the chiller . may not be a true fix but should...
  12. Replies
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    is 38 and 78 psi dicharge ( pump in the basement...

    is 38 and 78 psi dicharge ( pump in the basement ) no maint. to building loop. it has been working but now theres no load in the building so i imagine alot of valves shut, and now people are hearing...
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    haven't checked strainers but i will. but...

    haven't checked strainers but i will. but strainers are usually on the suction side so i think that would probably cause the opposite effect no ? pump suction psi
  14. Replies
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    water flow in building problem

    i have an apartment building with fan coil units. its a dual temp system. boilers on a 3 way valve and chiller is piped right into building loop. its a 12 floor building , like 300 + apts. fan coils...
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    another tool bag

    worse than my wife with her purses. ive had them all. always switch though every 6 months or so.
  16. Replies
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    486

    yellow jacket micron ga. 69075 ?

    opened sevice valves on a new install before i took the sensor off. anyone have experince doing this and did it damage the sensor?
  17. Replies
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    is it common to see just a time based termination

    is it common to see just a time based termination
  18. injection pump control for boiler on a building loop for wshps?

    I've seen the pumps on 24/7 and loop controller cycles boilers. and I've also seen the boiler cycle the pump on and off what is standard for controlling the injection pump? Logic tells me to leave on...
  19. Replies
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    freezer defrost ?

    if an evaporater has elect. heaters in the coil. and it goes into defrost, should you keep the fans on? and should it be wired for just time termination or time and or temp termination?
  20. Replies
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    sorry it took so lo ng to get back to this. it...

    sorry it took so lo ng to get back to this. it was a bad prv.
  21. Replies
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    747

    im assuming this is r22 ? 25 psi to me is low on...

    im assuming this is r22 ? 25 psi to me is low on a 60*f
  22. Thread: air dryer ?

    by newbe0507
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    422

    just pulled the manual, and it looks like its...

    just pulled the manual, and it looks like its called the condensate filter assy., maybe the drain valve is leaking in it
  23. Thread: air dryer ?

    by newbe0507
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    422

    air dryer ?

    A-4423-1 dryer
    i have johnson control dryer thats continuous leaking air from the drip leg. not sure why it would do this, the air compressor wont shut off because of it, should we just sell a new...
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    the prv is on the return side not at the...

    the prv is on the return side not at the expansion tank, still trying to wrap around what your saying about the tank being the point of no press change, and how that is relation to my problem, valves...
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    building loop over pressurizing

    ok so the building pump is on a drive and when the ahu valves start closing, the drive starts backing off, drive is controlled by bms, when this happens, the prv starts filling loop, so when the...
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    lost the pic but this is what it is, Electrocube...

    lost the pic but this is what it is, Electrocube Capacitor, RG2031
    http://www.ebay.com/itm/Electrocube-Capacitor-RG2031-6-6-RG203166-Warranty-/170555941928
  27. Replies
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    It won't attach

    It won't attach
  28. Replies
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    Is this a capacitor on a contactor coil

    What is it and purpose
  29. Replies
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    470

    No temp drop across dryer , plus the system is...

    No temp drop across dryer , plus the system is probably big enough to store stacked refer in condenser so I dont think thats causing hi head , forgot to mention I did check for non condensables, ...
  30. Replies
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    weird r22 pressures ?

    Circuit #1
    62 psi suction / slt. 61*f = 28*f sh
    220 psi liquid / llt. 98*f = 10*f sc
    (dlt. 161*f)
    Circuit #2
    30-65 psi suction and constantly hunting / slt. 6o*f = N/A sh
    300 - 350 psi...
  31. Replies
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    leak testing ?

    I have a 20 ton self contained . Changed compressor , added roughly 170 psi of nitro. , came back the next day it was down 166 psi , I know its a inert gas but I think Im good with any leaks. What do...
  32. Replies
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    Its 100 % outside ahu for building hallway

    Its 100 % outside ahu for building hallway
  33. Replies
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    Even the actual switch and reset, I have one...

    Even the actual switch and reset, I have one mounted right next 2 the oa damper and trips, of course the cap tube is fed in front of coil but there's no duct for it so air is being fed thru the...
  34. Replies
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    freezstat location ?

    Is it possible to mount one in the ahu ?
  35. Thread: Hgbp ?

    by newbe0507
    Replies
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    1,058

    thanks guys, crazy how important something is to...

    thanks guys, crazy how important something is to a system but yet theres probably alot of guys dont even know about it or even think twice about it
  36. Thread: Hgbp ?

    by newbe0507
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    i know i know stupid question, but if im not sure...

    i know i know stupid question, but if im not sure of something im gonna ask somebody
  37. Thread: Hgbp ?

    by newbe0507
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    Do u need it

    Do u need it
  38. Thread: Hgbp ?

    by newbe0507
    Replies
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    1,058

    Hgbp ?

    What is the purpose of a distributor connector for a hgbp ?
  39. Thread: Hgbp ?

    by newbe0507
    Replies
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    362

    Hgbp ?

    What
  40. Replies
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    No , I know you need one there for isolation when...

    No , I know you need one there for isolation when you have a LLSV this is on the pilot tube -equalizer line
  41. Replies
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    Solenoid valve ?

    Why would you install a solenoid on a equalizer line for a hgbp valve ?
  42. Replies
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    910

    yea true , but i'll have to learn while on fire...

    yea true , but i'll have to learn while on fire like usual , abb does have good tech support from what i hear though
  43. Replies
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    The drive is controlling itself

    The drive is controlling itself
  44. Replies
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    Jayguy , maybe but either way I wanta pull the...

    Jayguy , maybe but either way I wanta pull the gas and put new in
  45. Replies
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    Jpsmith, hi pressure was tripping when I got...

    Jpsmith, hi pressure was tripping when I got there, I pulled out 20'lbs just to get it to run , then checked my subcooling , it was 25*f + , so yeah I'm sure the freon is shot, FYI it's a 50 ton...
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    non condensable ?

    so i pumped down the freon into the condenser, ran the fan for 30 min. then checked my liq. press., it was 240 psi and saturation temp was roughly 114*f, the outside air temp. was 94 * f. should've...
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    Also I'm sure the drive to run off supply can...

    Also I'm sure the drive to run off supply can macro
  48. Replies
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    So how can it be commanded to run at 35 hz from a...

    So how can it be commanded to run at 35 hz from a my static sensor and running at 60 hz
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    isnt the line with 60 hz saying the motor is...

    isnt the line with 60 hz saying the motor is running at 60 hz
  50. Replies
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    ok, so why does it change when i adjust it with...

    ok, so why does it change when i adjust it with the arrows and also change the 1.5 '' h20 line
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