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Type: Posts; User: newbe0507

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  1. 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
  2. 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...
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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?
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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.
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    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
  6. Thread: air dryer ?

    by newbe0507
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    187

    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
  7. Thread: air dryer ?

    by newbe0507
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    187

    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...
  10. Replies
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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
  11. Replies
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    It won't attach

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

    What is it and purpose
  13. Replies
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    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, ...
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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...
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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...
  16. Replies
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    Its 100 % outside ahu for building hallway

    Its 100 % outside ahu for building hallway
  17. 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...
  18. Replies
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    freezstat location ?

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

    by newbe0507
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    787

    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
  20. Thread: Hgbp ?

    by newbe0507
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    787

    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
  21. Thread: Hgbp ?

    by newbe0507
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    787

    Do u need it

    Do u need it
  22. Thread: Hgbp ?

    by newbe0507
    Replies
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    787

    Hgbp ?

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

    by newbe0507
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    260

    Hgbp ?

    What
  24. 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
  25. Replies
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    Solenoid valve ?

    Why would you install a solenoid on a equalizer line for a hgbp valve ?
  26. Replies
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    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
  27. Replies
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    The drive is controlling itself

    The drive is controlling itself
  28. 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
  29. 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...
  31. Replies
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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
  32. 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
  33. Replies
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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
  34. 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
  35. Replies
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    abb ach550 display ?

    when i use the up/down arrows it changes the 58% line and the 1.5'' h20 line im assuming the 1.5'' h20 is my setpoint for duct static, also when i pulled the tube off the static sensor the line with...
  36. Thread: 06e question

    by newbe0507
    Replies
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    441

    so i found out its supposed to keep suction...

    so i found out its supposed to keep suction pressure equal in the sump and prevent pushing the the oil out of the one compressor thats not runnning
  37. Thread: 06e question

    by newbe0507
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    441

    Is it necessary to have

    Is it necessary to have
  38. Thread: 06e question

    by newbe0507
    Replies
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    441

    06e question

    so ive noticed on some tandem setups, we will have the oil equalization line but also a 1/4 tube piped to the bottom of both compressors, literally right underneath the sump. why is this there?
  39. Replies
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    thanks controlfreak, nice video and easy to...

    thanks controlfreak, nice video and easy to understand
  40. Replies
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    thanks control man, i will check it out

    thanks control man, i will check it out
  41. Replies
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    huh, your talkin spanglish, guys ive only been at...

    huh, your talkin spanglish, guys ive only been at it a few years, can you break it down alittle better, thanks
  42. Replies
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    so am i right about letting it modulate all the...

    so am i right about letting it modulate all the way then lock it down on the damper
  43. Replies
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    actuator install ?

    so if your installing in actuator on a damper that has a control signal for modulation, and at 10 vdc it is supposed to be closed , do you give it 10vdc, let it stroke all the way , manually shut...
  44. Replies
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    Thanks maxter, in familiar on how to circulate...

    Thanks maxter, in familiar on how to circulate the chemical thru a heat exchanger just not so familiar what the colors indicate and the foam as well
  45. Replies
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    scale dissollver question

    when someone says look for the foam, what does that mean ? also, when someone says look for when the chemical changes color, what does that mean ?

    thanks

    390211
  46. Replies
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    how would you use it ?

    how would you use it ?
  47. Replies
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    what is this tool used for ?

    what is this tool used for ?
  48. Replies
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    Cooling tower foam

    Why would there be foam in the sump ?
  49. Replies
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    368

    cooling tower float ?

    i understand how the fill valve works but why would it get loose on the part where the stem actually goes into the valve . just trying to understand it more
  50. Replies
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    thanks Klove

    thanks Klove
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