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  1. Thread: Bryant txv

    by jpbhvac
    Replies
    188
    Views
    15,615

    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
    15,615

    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
    208

    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
    Views
    520

    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
    520

    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
    333

    No. Just make sure you wrap everything well.

    No. Just make sure you wrap everything well.
  7. Replies
    15
    Views
    798

    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
    868

    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
    813

    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
    813

    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
    813

    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
    891

    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
    1,871

    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
    1,543

    I have no idea what that means!

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

    by jpbhvac
    Replies
    23
    Views
    1,543

    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
    1,543

    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
    1,543

    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
    1,543

    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
    1,725

    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
    1,725

    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
    1,725

    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
    2,169

    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
    1,308

    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
    1,308

    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...
  26. Replies
    19
    Views
    1,583

    If you don't get a satisfactory response from the...

    If you don't get a satisfactory response from the owner, PLEASE make the necessary reports to Better Business Bureau, Angie's List, ext... This is how the professionals rise to top and the HACKS are...
  27. Thread: leak check

    by jpbhvac
    Replies
    30
    Views
    1,929

    Please do NOT do this!

    Please do NOT do this!
  28. Thread: leak check

    by jpbhvac
    Replies
    30
    Views
    1,929

    No need to exceed 100 psi with a trace of r22. ...

    No need to exceed 100 psi with a trace of r22. Too much pressure and you'll just blow the Big Blue away from the leak instead of generating bubbles you can see. A trace of r22 mixed with your...
  29. Replies
    19
    Views
    1,583

    This is a hack job if not repaired properly. ...

    This is a hack job if not repaired properly. That board needs to be replaced with a Carrier/Bryant factory authorized control board. You should demand having the component replaced. But be...
  30. Thread: oxy/acet

    by jpbhvac
    Replies
    32
    Views
    2,169

    Safety glasses! Clear inside and tinted for...

    Safety glasses! Clear inside and tinted for outside/sun work. Now, I need to put my advice into personal practice.
  31. Thread: new HVAC guy

    by jpbhvac
    Replies
    3
    Views
    400

    If you are going to apprentice your way into the...

    If you are going to apprentice your way into the trade, piece of advice . . . WATCH, LISTEN, and ask QUESTIONS! NEVER think you know more than you really do because you don't know anything. Take...
  32. Replies
    8
    Views
    793

    If you add another, you should add another 14"....

    If you add another, you should add another 14". This will give you plenty of R/A. If you are concerned about the S/A, you need to have a Manual D calculation done to determine the specific need.

    ...
  33. Replies
    8
    Views
    793

    Definitely use 18" return. I would use a low...

    Definitely use 18" return. I would use a low restriction R/A grille. Stay away from stamp face grilles. The size of your grille may vary but you want need to move at least 1200 cfm.
  34. Thread: microns

    by jpbhvac
    Replies
    18
    Views
    1,300

    I pull to 250 and hold below 500. A tight system...

    I pull to 250 and hold below 500. A tight system will have no problem pulling this low and holding. The only time to use a suction drier is if a problem presents itself for clean-up purposes.
  35. Replies
    11
    Views
    957

    398681 or, don't use the brown/white wire and...

    398681

    or, don't use the brown/white wire and wire the motor like a three wire motor.
  36. Replies
    5
    Views
    789

    What model number do you use?

    What model number do you use?
  37. Replies
    42
    Views
    3,179

    I guess that depends on what tstat you are using....

    I guess that depends on what tstat you are using. Most communicating tstats will override any dip-switch settings in the control board. Thus, if you adjust the dip-switch's on the board . . ....
  38. Replies
    5
    Views
    647

    You've gone as far as you can go. Safety...

    You've gone as far as you can go. Safety switches and refrigerant levels need to be done by a qualified technician. I understand your desire to save a few pennies, but it's time to turn it over to...
  39. Replies
    8
    Views
    632

    :beat:

    :beat:
  40. Replies
    42
    Views
    3,179

    I agree!!! Ask the contractor if they could at...

    I agree!!! Ask the contractor if they could at least change one of those 90's for a 45. They will place a small piece of hard pipe in-between but there will be a measurable difference in air flow...
  41. Replies
    9
    Views
    1,295

    Delta T is only part of the story. There are so...

    Delta T is only part of the story. There are so many variables (WB, OAT, IAT, SH, SC, duct work, airflow, ext...). You need to call a quality professional to evaluate the entire system.


    Sent...
  42. Replies
    6
    Views
    567

    You're not providing enough information here. ...

    You're not providing enough information here. That said, the chances of you having oversized duct work . . . not likely. The majority of jobs I see are always undersized for the existing equipment...
  43. Replies
    28
    Views
    2,120

    I use the case channel for the vac hose and the...

    I use the case channel for the vac hose and the case locations for the temp clamps. My case has a rectangle cavity in the center. I offset the ball valves in that cavity and then wrap the hoses...
  44. Replies
    17
    Views
    1,327

    I guess I'm old school. I've yet to find a real...

    I guess I'm old school. I've yet to find a real need for thermo paste. Wet rags when brazing all the way for me. I know some of you guys love this stuff, but wet rags work . . . so why mess with...
  45. Replies
    28
    Views
    2,120

    I have a set of 557's and haven't had a single...

    I have a set of 557's and haven't had a single problem. I always store them in the case with all 4 hoses (6 ft w/ ball valve's) and temp clamps. It is possible and nothing is cramped.
  46. Replies
    5
    Views
    661

    Call United Mechanical @ 2143419300 and ask to...

    Call United Mechanical @ 2143419300 and ask to have Josh M. come out and give a second opinion. I'd be glad to give it another look.
  47. Replies
    36
    Views
    2,640

    That does not sound like a system set up for...

    That does not sound like a system set up for dehumidification. You have humidity control but that would be to control a humidifier in the winter months.


    Sent from my iPhone using Tapatalk 2
  48. Replies
    54
    Views
    6,629

    So . . . lets shift gears here since I started...

    So . . . lets shift gears here since I started this thread. When you find a capacitor that needs to be replaced, are you replacing the capacitor with American made products or do you use any...
  49. Replies
    28
    Views
    2,318

    You are very underpaid. I was making 14/hr...

    You are very underpaid. I was making 14/hr twenty years ago (in Michigan) as a residential tech (same type of benefits). Keep this mind. Education and certification does not bring forth a raise...
  50. Replies
    14
    Views
    1,309

    I agree! But those pressures suggest a very cool...

    I agree! But those pressures suggest a very cool OAT (IAT & WB we don't have) of which Jersey did not have today.
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