Search:

Type: Posts; User: hvac meister

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Pulling refrigerant into condensing unit

    The guys I work with have differing opinions on pulling the refrigerant back into the condensing unit for quick repairs. This is concerning only residential split units. Not heat pumps. 2 to 5 ton...
  2. Replies
    31
    Views
    3,585

    It was a 10 year old rheem. Pretty standard, HSI...

    It was a 10 year old rheem. Pretty standard, HSI on the right, 6 in-shot burners and sensor on the left.
  3. Replies
    31
    Views
    3,585

    Flame sensor questions??

    I have 2 questions about flame sensors in residential furnaces maybe some out there can help me with. While doing a tune & clean on a furnace this week I hooked my meter in series with the sensor...
  4. Replies
    19
    Views
    2,336

    A restriction would cause the low suction...

    A restriction would cause the low suction pressure, but then I think the superheat would be high so I don't know. This is a 1999 Amana. Return air is 68 degrees with a 24 degree split. Very low...
  5. Replies
    19
    Views
    2,336

    Frosting suction line at condensing unit

    I'm stumped on this one. The suction line is frosting at the condensing unit. Residential 3 ton straight split a/c. Filter clean, blower wheel clean, condenser and evap coil clean. ( I cleaned both...
  6. Replies
    4
    Views
    479

    Ok,sorry, let me clairify. A TXV has a screen...

    Ok,sorry, let me clairify. A TXV has a screen which can catch debris. Same with a piston type. Is it ok to use a mild solvent? Or just use a soft brush and blow it out?
  7. Replies
    4
    Views
    479

    metering device cleaning

    What is the preferred method of cleaning a piston type metering device? What about a TXV? Seems we've had alot of problems with TXVs acting like there is a restriction but don't find anything. Any...
  8. Thread: LRA

    by hvac meister
    Replies
    10
    Views
    977

    Sorry everyone.... I meant the RLA rating is...

    Sorry everyone.... I meant the RLA rating is 10.6. Rated Load Amps. Check out this link I found on an earlier thread... https://opi.emersonclimate.com/CPID/GRAPHICS/Types/AEB/ae1250.pdf
  9. Thread: LRA

    by hvac meister
    Replies
    10
    Views
    977

    LRA

    On the condenser data plates you find the LRA. I assume this is the locked rotor amps. What exactly does this mean?? I had a small 1.5 ton unit today I'm pretty sure has a mechanical problem in the...
  10. Replies
    47
    Views
    3,862

    Thanks to all of you who have replied..... I must...

    Thanks to all of you who have replied..... I must admit tho, I'm not sure which of the replies I should believe since there are so many differing theories.
  11. Replies
    47
    Views
    3,862

    Are fuses in disconnect necessary??

    I've seen more often than not service disconnects without any fuses at all, simply a part that is pulled out. Of course down the line are circuit breakers. But why then do some have fuses and some...
  12. Replies
    6
    Views
    852

    Thanks for all the info and things to consider...

    Thanks for all the info and things to consider about this situation.
  13. Replies
    6
    Views
    852

    Correct superheat with a TXV

    This thread is in reference to residential split a/c units. I know with a TXV the charge should be checked and/or adjusted according to subcool. If working properly the TXV should pretty much hold...
  14. Replies
    29,053
    Views
    846,289

    Poll: Hang in there and best of luck

    Hope you feel the best real soon!!
  15. Replies
    1
    Views
    392

    Maximum pump-down

    Doing a pump-down in a residential split unit a/c, not heat pump, is there a maximum amount of refrigerant that can be safely held in the condensing unit?? I remember seeing some older Lennox units...
  16. Replies
    66
    Views
    5,303

    No need to pull a vacuum????

    I was told by an old-schooler that if you are fast in cleaning out the screen on a TXV ,mechanical type not braze-in of course, there is no need to pull a vacuum on the system just as long as there...
  17. Replies
    5
    Views
    702

    It is the small tube coming off the TXV body

    It is the small tube coming off the TXV body
  18. Replies
    5
    Views
    702

    TXV bypass

    What exactly is the function of the bypass on a TXV and how does it work. What if it becomes blocked? Or can this happen?
  19. Replies
    12
    Views
    1,111

    Thanks for the replies. Looks like it was a...

    Thanks for the replies. Looks like it was a combination of too many supply registers closed downstairs to force cold upstairs and partially blocked returns.
  20. Replies
    12
    Views
    1,111

    evap coil and line set freezing

    I was sent out for a coil that had frozen solid and can not figure out why. Customer had turned the AC off and and left blower on so by the time I got there it was completely thawed. OD temp at 101....
  21. Replies
    28
    Views
    6,606

    I actually had a CX who weighed in the proper...

    I actually had a CX who weighed in the proper charge according to the specs. Only problem was he had not recovered what was already in the system.
  22. Replies
    99
    Views
    12,396

    After checking the run cap on a blower motor and...

    After checking the run cap on a blower motor and forgetting to connect one of the wires, because the customer had interrupted me with some questions, I actually burnt up the motor. The loose wire was...
  23. Replies
    204
    Views
    26,553

    Multimeter that can also check microamps and...

    Multimeter that can also check microamps and capacitance besides all of the standard measurements. Of course I love my headlamp too....leaves my hands free to do the work.
  24. Replies
    7
    Views
    769

    Thanks for the feedback. The run cap and cond fan...

    Thanks for the feedback. The run cap and cond fan are ok. It is a straight cool, not heat pump. I did not try to pump it down. With your feedback and the guys at our shop we all agree it's a bad...
  25. Replies
    7
    Views
    769

    Low head pressure, hissing

    Had a scroll compressor today that made a hissing sound at startup. Head pressure was at 95 psi and suction side started at 60psi and slowly climbed to 70psi. This is an R22, 3 ton, residential unit....
Results 1 to 25 of 35
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

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