Search:

Type: Posts; User: bgrich2003

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Replies
    14
    Views
    383

    One leg of one of the relays isn't closing, so...

    One leg of one of the relays isn't closing, so when I switched it comp 1 closed, fan one closed comp 2 closed, and fan 2 is jumped out so even though it's on a bad leg it doesn't matter. The unit is...
  2. Replies
    14
    Views
    383

    A lot of questions for something I said was...

    A lot of questions for something I said was running.
  3. Replies
    14
    Views
    383

    http://postimg.org/image/uhgt6h78b/2dc74789/...

    http://postimg.org/image/uhgt6h78b/2dc74789/
    This is the air from outside.
  4. Replies
    14
    Views
    383

    So there are two relays and I pulled them out and...

    So there are two relays and I pulled them out and switched them. Both compressors fired up and since the fan is jumped out to both relays it kicked on also. That solved that problem till I can get...
  5. Replies
    14
    Views
    383

    Ok Y1 and Y2 are on a separate transformer from...

    Ok Y1 and Y2 are on a separate transformer from the indoor unit, it makes sense now.
  6. Replies
    14
    Views
    383

    Ok I tested the isolation relay and one side is...

    Ok I tested the isolation relay and one side is open for compressor 1. So in theory if I jump it out it should start. I still kinda want to know its function.
  7. Replies
    14
    Views
    383

    Probably should of posted these first

    Probably should of posted these first
  8. Replies
    14
    Views
    383

    http://s8.postimg.org/t7oqu1ps1/image.jpg...

    http://s8.postimg.org/t7oqu1ps1/image.jpg

    http://s8.postimg.org/pvc7c5cxt/image.jpg

    http://s8.postimg.org/o0zcuepxd/image.jpg
  9. Replies
    14
    Views
    383

    A shot in the dark is better than no shot I guess.

    A shot in the dark is better than no shot I guess.
  10. Replies
    14
    Views
    383

    Do not see a lockout relay and it's not in wiring...

    Do not see a lockout relay and it's not in wiring diagram.
  11. Replies
    14
    Views
    383

    Aaon unit 2nd stage not coming on

    I have an Aaon m#cc-b-022 2-a-2 with the 2nd stage not coming on. I checked 24v to contactor and I have no power. Checked HPS and LPS switches and both are closed.

    Checked wiring diagram and...
  12. Replies
    54
    Views
    3,277

    Ok I'm done. I put my two weeks in I just hate...

    Ok I'm done. I put my two weeks in I just hate when I can't figure something out.
  13. Replies
    54
    Views
    3,277

    Lol

    Lol
  14. Replies
    54
    Views
    3,277

    Ok so I opened the water line to condenser past...

    Ok so I opened the water line to condenser past water regulator no water coming out. It has springs on it.
  15. Replies
    2
    Views
    787

    Need help starting new post

    Ok so I work in a historic hotel I went tech school 10 years ago and have 3 years residential experience. I'm in a back of the house receiving area cooler because its close to loading dock. Walkin...
  16. Replies
    54
    Views
    3,277

    Ok so just to refresh. Copeland compressor with...

    Ok so just to refresh. Copeland compressor with receiver using r409a, water cooled, medium temp 35-40 system. Pressures are 25 on low 150 high, suction temp 73, liquid line temp 120. Water loop 66...
  17. Replies
    54
    Views
    3,277

    Loop temp is 60 degrees coming out is 111

    Loop temp is 60 degrees coming out is 111
  18. Replies
    54
    Views
    3,277

    Ok I'm heading to work now. So I'll get the...

    Ok I'm heading to work now. So I'll get the delta T of the water loop. But as we sit now does it look like there is a problem with the txv valve? Also to paint a better picture my boss is a coke...
  19. Replies
    54
    Views
    3,277

    Yes there is a receiver. Sorry guys went to tech...

    Yes there is a receiver. Sorry guys went to tech school 10 years ago. Had 3 years residential experience then got a DUI and started working at hotels. I'm rusty.
  20. Replies
    54
    Views
    3,277

    After the water cooled condenser

    After the water cooled condenser
  21. Replies
    54
    Views
    3,277

    At the compressor

    At the compressor
  22. Replies
    54
    Views
    3,277

    30 superheat and 10 subcooling is that right

    30 superheat and 10 subcooling is that right
  23. Replies
    54
    Views
    3,277

    Sorry 150 high side is 104 degrees with a liquid...

    Sorry 150 high side is 104 degrees with a liquid line temp of 114 so 10 degrees subcooling
  24. Replies
    54
    Views
    3,277

    30. 150 high side equals 114 degrees with a...

    30. 150 high side equals 114 degrees with a liquid line temp of 114
  25. Replies
    54
    Views
    3,277

    Ok if the the pressure is at 25 for 409a it...

    Ok if the the pressure is at 25 for 409a it should be at 30 degrees. If the suction line temp is 60. That gives me a superheat of
  26. Replies
    54
    Views
    3,277

    Lol I put the sensing bulb in water so the txv...

    Lol I put the sensing bulb in water so the txv would open all the way.
  27. Replies
    54
    Views
    3,277

    Lol I put it in hot water to make sure it would...

    Lol I put it in hot water to make sure it would open all the way
  28. Replies
    54
    Views
    3,277

    I was hoping it was the txv so put it in hot...

    I was hoping it was the txv so put it in hot water to flush it. Lines going to the coil are 60 past is 63.
  29. Replies
    54
    Views
    3,277

    The loop line. Sight glass was clear and purple.

    The loop line. Sight glass was clear and purple.
  30. Replies
    54
    Views
    3,277

    Lol it's a medium temp walk in box 35 to 40...

    Lol it's a medium temp walk in box 35 to 40 range. 409 refrigerant 25 psi low 60 degree suction line. High side psi 150. Liquid line temp is 116 past water cooled coil it's 80. Opened lines to...
  31. Replies
    54
    Views
    3,277

    Thanks for being helpful as always.

    Thanks for being helpful as always.
  32. Replies
    11
    Views
    1,587

    Head pressure was 20 using 409

    Head pressure was 20 using 409
  33. Replies
    54
    Views
    3,277

    Yes

    Yes
  34. Replies
    54
    Views
    3,277

    Water cooled condenser 10 degrees off

    I'm working on a water cooled condenser. The sight glass says dry and the filter dryer is from 95. I felt condenser coil and it feels like its condensing. The pressures for 409a were 20 165. I...
  35. Replies
    11
    Views
    1,587

    Sorry the sight glass is purple I meant to say dry

    Sorry the sight glass is purple I meant to say dry
  36. Replies
    11
    Views
    1,587

    What does a wet sight glass mean

    What does a wet sight glass mean? I have a water cooled condenser for a walk in thats 10 degrees too high. They just replaced evap coil and there is oil around filter drier from 1995, which they...
  37. Replies
    5
    Views
    728

    Oh btw i added water to the bin and everything...

    Oh btw i added water to the bin and everything else ran ok. It's just not filling
  38. Replies
    5
    Views
    728

    Manitowoc not filling with water

    I have a problem with a manitowoc Sy0454a, it's not filling with water. I started a new job and found that they were trying to hook it up to 240 v. I ran it to 120, it started and made ice. Then...
  39. Replies
    15
    Views
    2,700

    Okay I think I figured it out. The wire is...

    Okay I think I figured it out. The wire is running into the door, so I'm guessing it keeps it warm so it doesn't stick.
    As far as why the temp was a little high the ambient temp was too much for...
  40. Replies
    15
    Views
    2,700

    Alright just wanted to make sure it wasn't just...

    Alright just wanted to make sure it wasn't just me. The thing is already as far clockwise as it can go, I tried the other way and all it seems to do is make the temp go up.

    Thanks guys.
  41. Replies
    15
    Views
    2,700

    Walk in running a little high

    Hey guys. I just got promoted to hvac/r guy at the hotel I work at (dollar raise that I was promised last year and more responsibility woo hoo). Anyway most of my experience is in residential so I...
  42. How much refrigerant can a recovery tank hold?

    I was recently asked by someone how much refrigerant can a recovery tank hold. I told them up to 80%. Then they said 80% of what. So.. that brings me here. I've looked for the answer myself and...
  43. Replies
    24
    Views
    4,833

    thanks for the info

    thanks for the info but that doesnt really answer the question of what the possible dangers are once it is rusting
  44. Replies
    24
    Views
    4,833

    I went to a customers house whos heat exchanger...

    I went to a customers house whos heat exchanger was rusting on a 20 year old furnace. I told her to replace due to possible carbon monoxide poisoning. She said she had detectors and asked weather...
  45. Replies
    0
    Views
    836

    I have 2 years experience in hvac as well as 1 yr...

    I have 2 years experience in hvac as well as 1 yr technical school.
    Type 1 & 2 epa certification
    Serviced, installed, and performed maintenance on gas furnaces, air handlers, condensers on my own. ...
  46. did the tech check the breaker size? Alot of...

    did the tech check the breaker size? Alot of times when companys replace condensers they dont check breaker size. In my experience at least the breaker is less than what it should be not by much...
  47. Replies
    4
    Views
    746

    its ok even though there not right next to each...

    its ok even though there not right next to each other it will still work

    [Edited by bgrich2003 on 08-09-2006 at 01:57 PM]
  48. Replies
    17
    Views
    1,404

    so whats the problem again? the condenser which...

    so whats the problem again? the condenser which operates at around 220, and is on a seperate breaker than the furnace is drawing high amps on second stage and instead of just tripping the breaker is...
  49. Replies
    17
    Views
    1,404

    if the condenser is turning on after blackout,...

    if the condenser is turning on after blackout, you can have a time delay installed to the condenser. As far as the voltage to the furnace or air handler i believe it has a swing of like 10% so it...
  50. Replies
    17
    Views
    1,404

    does it calculate amperage also?

    does it calculate amperage also?
Results 1 to 50 of 106
Page 1 of 3 1 2 3

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Quality Home Comfort Awards