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Type: Posts; User: pvc1984

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  1. Replies
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    Well, any micron gauge is better than no micron...

    Well, any micron gauge is better than no micron gauge.

    But I would've spent the extra money on the accutools bluvac. It's an amazing piece of equipment. Just my opinion.
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    The only way the liquid temp can be lower than...

    The only way the liquid temp can be lower than ambient is a wet coil or some kind of restriction in the condensing unit. I'm thinking it would be pretty dry after running 20 minutes. A discharge...
  3. Thread: r22 pressures

    by pvc1984
    Replies
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    813

    Why did the compressor go bad in the old unit? ...

    Why did the compressor go bad in the old unit?

    We need way more information to diagnose a restriction. Pressures, temperatures, SH and SC. What kind of metering device are you working with? Did...
  4. Replies
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    I'm assuming the start components were replaced...

    I'm assuming the start components were replaced with the new compressor? Low temp compressors aren't designed to handle the higher load of medium temp compressors. You'll probably need a zp power...
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    Check the crank case heater.

    Check the crank case heater.
  6. Replies
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    3,087

    Meh....it'll buff out!!

    Meh....it'll buff out!!
  7. Replies
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    1,547

    It could be loose bulb connection or poor bulb...

    It could be loose bulb connection or poor bulb placement. Make sure the bulb is well insulated.

    Is the txv adjustable?
  8. Replies
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    843

    A loose txv bulb will not cause high superheat....

    A loose txv bulb will not cause high superheat. It will cause the txv to open up more and lower the superheat.

    How old is the system? Are the condensor and evap coil matched? What type of...
  9. Replies
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    814

    What refrigerant? What kind of metering device?...

    What refrigerant? What kind of metering device? Pressure and temperature readings? Condenser fan spinning in right direction? Noncondensibles in the system?

    It could be anything. Way too vague. We...
  10. Replies
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    1,726

    Do you actually mean pumping the system down or...

    Do you actually mean pumping the system down or evacuating the system? There is a huge difference. Was the milky oil in your vacuum pump? Keep changing the oil until its clear while your evacuating....
  11. Thread: Cap tube help

    by pvc1984
    Replies
    19
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    1,814

    In my experience, don't go by what the chart says...

    In my experience, don't go by what the chart says on the box about sizing captubes. Call the manufacturer with model and serial and get the inner diameter and the length. If you can't match the inner...
  12. Replies
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    1,726

    Double post

    Double post
  13. Replies
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    Definitely need way more info! What are the...

    Definitely need way more info! What are the circumstances?

    "A lot of moisture in the system" is pretty relative. A 30 ton chiller with a cracked barrel will introduce "a lot of moisture in the...
  14. Replies
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    2,827

    The kit that I have from united is NRP part#...

    The kit that I have from united is NRP part# NKA125M12P

    http://www.nrproducts.com/products/PDF/04-FlameTools.pdf

    I highly recommend checking them out. I'm very pleased with the set I have.
  15. Replies
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    2,827

    I use the NRP set I got from united. Its perfect...

    I use the NRP set I got from united. Its perfect for me. It came with everything but the tanks. It came with a #1 and #3 tips and I added a #15 rose bud tip. It covers just about everything I run...
  16. Replies
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    Try changing the batteries too. My fieldpiece is...

    Try changing the batteries too. My fieldpiece is my backup meter and when the batteries start going dead I get all sorts of weird readings.
  17. Replies
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    1,716

    Get Appion...they are the best...you won't regret...

    Get Appion...they are the best...you won't regret it!!
  18. Replies
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    2,439

    I can't say that I've ever run into the problem...

    I can't say that I've ever run into the problem you're experiencing. I've installed the motor mate and the turbo 200 brands with great results.

    You might want to take a closer look at the...
  19. Replies
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    3,551

    You can't check subcooling with a receiver. Just...

    You can't check subcooling with a receiver. Just clear the glass and see how it runs before you make any adjustments to the water valve on the condenser.

    59 psi is a high suction for a 65 degree...
  20. Replies
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    2,312

    Don't get me wrong...I agree with you 100%. I...

    Don't get me wrong...I agree with you 100%. I would take care of the customer anyway I could and definitely do what I can.

    This thread also reminds me...on new Carriers....make sure and look at...
  21. Replies
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    4,718

    Nevermind that question...Forgot you need 24...

    Nevermind that question...Forgot you need 24 volts to G on a carrier for the compressor to start.
  22. Replies
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    4,718

    Are you losing voltage at G when the blower cuts...

    Are you losing voltage at G when the blower cuts out?

    The only advice I could give without being there is just look at the wiring diagram and trace back what's providing 24 volts to the coil.
  23. Replies
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    2,312

    I agree too it's probably fine. But I really...

    I agree too it's probably fine. But I really doubt carrier is gonna warranty a compressor that was wired improperly to begin with.
  24. Replies
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    I would've checked pressures, temperatures, ohmed...

    I would've checked pressures, temperatures, ohmed out the compressor, and recorded amp draws on my paperwork. Record everything to CYA!! If all that checked out and the compressor sounded okay, just...
  25. Thread: evap fan

    by pvc1984
    Replies
    12
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    945

    I agree with above. The good fan is drawing air...

    I agree with above. The good fan is drawing air through the dead fan and causing it to spin backwards.

    Just verify you're getting voltage to the fan spinning backwards. Sounds like you'll be...
  26. Replies
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    962

    You're definitely gonna lose system capacity and...

    You're definitely gonna lose system capacity and efficiency. Since more of the condenser is gonna be backed up more with liquid, you'll have less surface area of the coil for heat rejection.
  27. Replies
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    1,106

    I really need to apply for a pro membership. I...

    I really need to apply for a pro membership. I could really get into a lot more detail on my approach in diagnosing.

    Try blocking the condenser and see what happens to the low side. You could also...
  28. Replies
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    3,141

    Yeah I think that's the stuff. I've only used it...

    Yeah I think that's the stuff. I've only used it a few times and was very impressed with the results. Wasn't aware about stripping paint off though. Nubrite tends to strip paint off of coils too....
  29. Replies
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    1,106

    How old is the unit? Any kind of maintenance on...

    How old is the unit? Any kind of maintenance on the unit? 24 psi at what box temperature? What's was the ambient temperature and what's the subcooling? Discharge temperature?

    With 134...its a very...
  30. Best way to charge is to follow the...

    Best way to charge is to follow the manufacturer's chart.

    Captube, fixed bore, piston, or what have ya.....charge by superheat.

    Txv.....charge by subcooling. You need a solid column of liquid...
  31. Replies
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    1,263

    Any model or serial off the evaporator? I've...

    Any model or serial off the evaporator?

    I've never seen r22 associated with the color pink. R22 is green. I've never even seen an oem sporlan valve with a pink 22 sticker.

    Im a commercial...
  32. Replies
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    Viper works okay on light duty degreasing and...

    Viper works okay on light duty degreasing and just use a pump sprayer to rinse.

    On the real thick nasty greasy coils, I'll brush off what I can and then I'll wet the coil down with some warm...
  33. Replies
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    I prefer manual reset myself. If it trips...that...

    I prefer manual reset myself. If it trips...that means it tripped for a reason and the problem needs to be addressed to prevent anymore potential damage to the system.

    It helps us techs cover our...
  34. Replies
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    20 degrees is usually okay at the compressor. In...

    20 degrees is usually okay at the compressor. In fact copeland requires 20 degrees at the compressor for warranty issues. You should be taking superheat right at the txv bulb and make final superheat...
  35. Thread: coil cleaning

    by pvc1984
    Replies
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    4,808

    I use the nucalgon coil gun with nubrite and...

    I use the nucalgon coil gun with nubrite and split the coils as needed. RINSE THOROUGHLY. Nu brite is a great product when used properly. I've seen a ton of coils severely damaged from improper use....
  36. Replies
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    Wow...there are so many variables that can cause...

    Wow...there are so many variables that can cause a high head pressure and we don't have any details on what's going on. Plugged condenser coil, bad condenser fan motor, fan cycle control, headmaster,...
  37. Thread: Breaker Trips

    by pvc1984
    Replies
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    812

    It could be any number of things that would cause...

    It could be any number of things that would cause the breaker to trip. Have you had any maintenace in the 3 years you've had the system? Is this the first time you've had this problem in 3 years? I...
  38. Replies
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    :confused: Rheems and Tranes are the easiest...

    :confused:


    Rheems and Tranes are the easiest to access IMO. Carrier 90% on the other hand......

    What about getting to the burners on a York Diamond 90?:mad:
  39. Replies
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    2,336

    I would go with the Trane unit to be honest. My...

    I would go with the Trane unit to be honest. My company deals quite a bit with Rheem and they just recently decided to stop installing Rheem heat pumps because of some issues they are having. Quite a...
  40. Replies
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    437

    A lot of things can cause a noisy compressor. Did...

    A lot of things can cause a noisy compressor. Did the tech do a thorough diagnostic? I would recommend getting a second opinion.
  41. Replies
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    2,550

    You need to call in a professional to diagnose...

    You need to call in a professional to diagnose and repair the problem. This is not a DIY site.
  42. Replies
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    638

    OP said it was an older house so I would "assume"...

    OP said it was an older house so I would "assume" infiltration. I was going to recommend a recovery ventilator, but isn't a duct system needed to use one?
  43. Replies
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    5,087

    I was doing tree work for a few years and I was...

    I was doing tree work for a few years and I was getting tired of it. It was good honest work and you really develop a trust with the people you work with, but it wasn't challenging enough.

    I have...
  44. Replies
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    3,640

    Did the technician charge the unit before...

    Did the technician charge the unit before removing the rag from the indoor coil? Did he do a leak search?

    I would also have the tech come back out and check the contactor.
  45. Replies
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    1,434

    Had a callback today.

    I know I'm just a noob. Both on the board and in the field(about 7 months). But I need some advice.

    I was on a PM call on a 100,000 btu Trane XL90 a couple of weeks ago. The house was...
  46. Replies
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    3,768

    I don't want to hijack the thread, but I'll...

    I don't want to hijack the thread, but I'll explain it anyway.

    I went to community college for about 2 years. I had to pay for a large chunk of the the tuition and expenses out of my own pocket....
  47. Replies
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    3,768

    I'm just starting out in this business also. I'm...

    I'm just starting out in this business also. I'm about 7 months in. I was going to college for electrical engineering and/or pharmacy. School just got too expensive.

    At any rate $10 an hour seems...
  48. Thread: yellow jacket

    by pvc1984
    Replies
    12
    Views
    853

    I have a Yellow Jacket Titan manifold and I love...

    I have a Yellow Jacket Titan manifold and I love it.

    I also have a Yellow Jacket manometer. It is nice and accurate, but it's too bulky. It takes up a good portion of my tool bag. I can't wait...
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