Search:

Type: Posts; User: newbe0507

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Replies
    21
    Views
    771

    thanks E

    thanks E
  2. Replies
    21
    Views
    771

    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
  3. Replies
    21
    Views
    771

    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 ?
  4. Replies
    21
    Views
    771

    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...
  5. Replies
    21
    Views
    771

    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...
  6. Replies
    21
    Views
    771

    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...
  7. Replies
    21
    Views
    771

    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
  8. Replies
    21
    Views
    771

    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...
  9. Replies
    9
    Views
    1,024

    another tool bag

    worse than my wife with her purses. ive had them all. always switch though every 6 months or so.
  10. Replies
    2
    Views
    339

    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?
  11. Replies
    24
    Views
    1,570

    is it common to see just a time based termination

    is it common to see just a time based termination
  12. 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...
  13. Replies
    24
    Views
    1,570

    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?
  14. Replies
    20
    Views
    1,567

    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.
  15. Replies
    4
    Views
    648

    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
  16. Thread: air dryer ?

    by newbe0507
    Replies
    2
    Views
    304

    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
  17. Thread: air dryer ?

    by newbe0507
    Replies
    2
    Views
    304

    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...
  18. Replies
    20
    Views
    1,567

    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...
  19. Replies
    20
    Views
    1,567

    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...
  20. Replies
    16
    Views
    1,425

    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
  21. Replies
    16
    Views
    1,425

    It won't attach

    It won't attach
  22. Replies
    16
    Views
    1,425

    Is this a capacitor on a contactor coil

    What is it and purpose
  23. Replies
    3
    Views
    399

    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, ...
  24. Replies
    3
    Views
    399

    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...
  25. Replies
    12
    Views
    768

    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...
  26. Replies
    7
    Views
    647

    Its 100 % outside ahu for building hallway

    Its 100 % outside ahu for building hallway
  27. Replies
    7
    Views
    647

    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...
  28. Replies
    7
    Views
    647

    freezstat location ?

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

    by newbe0507
    Replies
    10
    Views
    944

    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
  30. Thread: Hgbp ?

    by newbe0507
    Replies
    10
    Views
    944

    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
  31. Thread: Hgbp ?

    by newbe0507
    Replies
    10
    Views
    944

    Do u need it

    Do u need it
  32. Thread: Hgbp ?

    by newbe0507
    Replies
    10
    Views
    944

    Hgbp ?

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

    by newbe0507
    Replies
    0
    Views
    336

    Hgbp ?

    What
  34. Replies
    13
    Views
    1,156

    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
  35. Replies
    13
    Views
    1,156

    Solenoid valve ?

    Why would you install a solenoid on a equalizer line for a hgbp valve ?
  36. Replies
    11
    Views
    814

    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
  37. Replies
    11
    Views
    814

    The drive is controlling itself

    The drive is controlling itself
  38. Replies
    17
    Views
    1,600

    Jayguy , maybe but either way I wanta pull the...

    Jayguy , maybe but either way I wanta pull the gas and put new in
  39. Replies
    17
    Views
    1,600

    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...
  40. Replies
    17
    Views
    1,600

    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...
  41. Replies
    11
    Views
    814

    Also I'm sure the drive to run off supply can...

    Also I'm sure the drive to run off supply can macro
  42. Replies
    11
    Views
    814

    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
  43. Replies
    11
    Views
    814

    isnt the line with 60 hz saying the motor is...

    isnt the line with 60 hz saying the motor is running at 60 hz
  44. Replies
    11
    Views
    814

    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
  45. Replies
    11
    Views
    814

    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...
  46. Thread: 06e question

    by newbe0507
    Replies
    3
    Views
    486

    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
  47. Thread: 06e question

    by newbe0507
    Replies
    3
    Views
    486

    Is it necessary to have

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

    by newbe0507
    Replies
    3
    Views
    486

    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?
  49. Replies
    10
    Views
    704

    thanks controlfreak, nice video and easy to...

    thanks controlfreak, nice video and easy to understand
  50. Replies
    10
    Views
    704

    thanks control man, i will check it out

    thanks control man, i will check it out
Results 1 to 50 of 125
Page 1 of 3 1 2 3

Related Forums

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