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  1. Thread: Bryant txv

    by jpbhvac
    Replies
    188
    Views
    14,678

    This is not a Carrier problem. I've seen...

    This is not a Carrier problem. I've seen bulletin's from Lennox, Trane, Rheem/Ruud, ADP, Parker/Sporlan, Emerson . . . and the list goes on. I know you all want to blame Carrier and there is enough...
  2. Thread: Bryant txv

    by jpbhvac
    Replies
    188
    Views
    14,678

    That's not true. There is a bulletin that covers...

    That's not true. There is a bulletin that covers the cost of the part and labor. You need to check with your Carrier/Bryant Salesman.
  3. Replies
    0
    Views
    177

    Goodman/Amana TXV problems???

    Has anyone seen a Service/Dealer Bulletin for Goodman/Amana like the one distributed by Carrier/Bryant regarding TXV problems?
  4. Replies
    10
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    507

    I don't see a restriction issue here. Being a...

    I don't see a restriction issue here. Being a R22 system w/ a Piston, refer to the Superheat (which is very low. You're almost flooding back to the compressor). Based on the information you gave,...
  5. Replies
    10
    Views
    507

    LOW CHARGE = High superheat. Low suction...

    LOW CHARGE = High superheat. Low suction pressure, indoor TD, subcooling, head pressure & compressor current draw.
    •OVER CHARGE = Low superheat. Normal indoor TD. High suction pressure, subcooling,...
  6. Thread: Txv mounting

    by jpbhvac
    Replies
    5
    Views
    326

    No. Just make sure you wrap everything well.

    No. Just make sure you wrap everything well.
  7. Replies
    15
    Views
    759

    Surface probes are the best for this application....

    Surface probes are the best for this application. I use the Fluke 80PK camp on temp. probe. If you are using a laser for this application, throw it away. Lasers work best on flat/black surfaces,...
  8. Replies
    20
    Views
    854

    Capacitor manufacturer's have their own ratings...

    Capacitor manufacturer's have their own ratings and allowances for tolerance. I always use the 10% rule of margin. once a Capacitor exceeds 10% of the rating plate, I will recommend replacing (I...
  9. Replies
    10
    Views
    770

    Ok, so this was all human error. The previous...

    Ok, so this was all human error. The previous technician, during annual maintenance, changed the gas pressure. He thought he was adjusting the low-fire pressure when in fact, he was adjusting the...
  10. Replies
    10
    Views
    770

    I also have the troubleshooting guide and it's...

    I also have the troubleshooting guide and it's not really helpful in this situation. The fault code #34 is a response and not really the problem.
  11. Replies
    10
    Views
    770

    Carrier MN7 fault code 34

    Hi guys. I am working on a Carrier 59MN7A080V171114. The system is dropping out at the same time the blower comes on in minimum fire. I have checked the High/Low gas pressures, voltages and pressures...
  12. Replies
    9
    Views
    854

    The Carrier MN7 (all Carriers) do not recommend...

    The Carrier MN7 (all Carriers) do not recommend adding a screen to either termination pipe. In your area, you will keep out the critters but build up ice and snow and be riddled with blocked vent...
  13. Replies
    29
    Views
    1,802

    I agree. For those of us who've been around this...

    I agree. For those of us who've been around this industry for some time, standard practice was to replace the drier every time the system was opened, but if the drier is never exposed, does it need...
  14. Thread: HSI HELP

    by jpbhvac
    Replies
    23
    Views
    1,468

    I have no idea what that means!

    I have no idea what that means!
  15. Thread: HSI HELP

    by jpbhvac
    Replies
    23
    Views
    1,468

    You've spent time trying to discredit me, but...

    You've spent time trying to discredit me, but offered zero assistance to the original question. If you have something to contribute, get to it. If not, ... Well you fill in the blank!


    Sent from...
  16. Thread: HSI HELP

    by jpbhvac
    Replies
    23
    Views
    1,468

    http://forum.oiltechtalk.com/attachments/hotsurfac...

    http://forum.oiltechtalk.com/attachments/hotsurfaceignitersheet.pdf

    This a good start. It's not exhaustive, but helpful for the common igniters out there.


    Sent from my iPhone using Tapatalk 2
  17. Thread: HSI HELP

    by jpbhvac
    Replies
    23
    Views
    1,468

    No it's not! For most carbide igniters, it's...

    No it's not! For most carbide igniters, it's right on. For Most nitride, 15-40. I've had great success following these RoT's. There are a few odd balls out there that don't fit, but we learn these...
  18. Thread: HSI HELP

    by jpbhvac
    Replies
    23
    Views
    1,468

    A good hot surface ignitor will have a resistance...

    A good hot surface ignitor will have a resistance of 40 to 90 ohms. Greater than 90 ohms indicates a failing or failed hot surface ignitor.

    This is a "Rule of Thumb". Some manufacturers have...
  19. Replies
    15
    Views
    1,670

    Very helpful. Thank you. I will use this set up...

    Very helpful. Thank you. I will use this set up from here forward.


    Sent from my iPhone using Tapatalk 2
  20. Replies
    15
    Views
    1,670

    I'm not suggesting using my gauge as a...

    I'm not suggesting using my gauge as a measurement t of vacuum, but a junction point. I've been using a micron gauge for two decades to measure vacuum. If you don't use a manifold, digital or analog,...
  21. Replies
    15
    Views
    1,670

    Digital Gauges / Vacuum

    What are your thoughts on the use of Digital gauges during evacuation? I always had my analog's hooked up, but now that I use Digital, I'm more cautious based on my tool investment.
  22. You will need to contact a licensed HVAC...

    You will need to contact a licensed HVAC contractor or Electrician in your area to have the disconnect replaced. This is not something you want to be playing around with since you don't really know...
  23. Thread: oxy/acet

    by jpbhvac
    Replies
    32
    Views
    2,107

    Not so sure about the dork aspect. Mine look like...

    Not so sure about the dork aspect. Mine look like regular sunglasses. My clear ones have the same frame but clear lenses. I want to be safe and look cool doing it!


    Sent from my iPhone using...
  24. Replies
    18
    Views
    1,259

    Your system was pumped down. The drier was never...

    Your system was pumped down. The drier was never exposed to the outside air. NO need to replace. You can just let it go. There is more potential for damage if they come back and open it up now.

    ...
  25. Replies
    18
    Views
    1,259

    The drier must be replaced if outside the unit...

    The drier must be replaced if outside the unit (in the copper lines and not the unit itself if the unit was pumped down). If the system was evacuated or the old drier was ever exposed to the outside...
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