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Type: Posts; User: pyramidhvacr

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  1. Replies
    27
    Views
    4,410

    Under Charged or wrong TXV

    If coil is 9000 btu use a 3/4 hp txv if 1 hp ok but has to close down more. Never open more than 1/4 turn from closed to start. Charge system At 35/175 under charged or txv flooding. No high Psi 80...
  2. Replies
    27
    Views
    4,410

    If headmaster is bypassing hot gas in the liquid...

    If headmaster is bypassing hot gas in the liquid line both and compressor be very hot. Under charge system get the head psi up. What freon??? R404 need 265psi . 175psi headmaster is open pumping hot...
  3. Replies
    44
    Views
    4,208

    system low on charge. And restart back up too...

    system low on charge. And restart back up too quickly. Supper heat to high to cool the compressor down. Raise head psi to 265. (R404A) supper heat will be close to 20-30deg / under 20deg at compress...
  4. Replies
    85
    Views
    18,081

    you can make one your self 3/16 copper. Or 1/8 in...

    you can make one your self 3/16 copper. Or 1/8 in I used 3/16in. Piston holder from old coil 4 or 6 feeder remove them 3 in. 7/8 copper. 24 in on each 3/16 feeder . Cut out header. Add a 1 piston at...
  5. Replies
    10
    Views
    1,739

    Look Like Give away work and time

    They call to set you up and email ticket. Have home owner call you. Did is there JOB. I was lucky only call about a water leak. A never do Plumbing but slow this day and close to site. Very fix 15...
  6. Replies
    19
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    3,142

    :gah::gah: Not so TXV is not made to pass liquid...

    :gah::gah:
    Not so TXV is not made to pass liquid refrigerant through the equalizer tube and bypass the coil now you talking about a flooding TXV. note (equalizer tube). If the head is bad this will...
  7. Replies
    19
    Views
    3,142

    R404A FREEZER CHARGING

    First things clean the condenser with
    Foaminator™
    Premium Alkaline Based / Cleans Thick Coils
    Best on the market/ turn sight glass at angle not flat hoz. If clear pumpdown to ck if full. It will...
  8. Replies
    22
    Views
    10,852

    A Comparison of an R22 and an R410A Air Conditioner Operating at High Ambient Temper

    http://fire.nist.gov/bfrlpubs/build02/PDF/b02186.pdf

    Read The True Fact's

    When
    outdoor temperature increased, the R410A system performance degraded more than the R22 system performance. ...
  9. Replies
    22
    Views
    10,852

    When Out Door Temp High 410a performance degraded

    http://fire.nist.gov/bfrlpubs/build02/PDF/b02186.pdf
    GOV TEST
    R22 VS 410A PDF
    CONCLUSIONS
    R22 and R410A split air-conditioning systems were tested and compared as outdoor temperature ranged...
  10. Replies
    1
    Views
    513

    R22 VS 410A PDF by nist.gov

    http://fire.nist.gov/bfrlpubs/build02/PDF/b02186.pdf
    They The Government Lies, Again

    CONCLUSIONS:tank:
    R22 and R410A split air-conditioning systems were tested and compared as outdoor...
  11. Replies
    15
    Views
    10,596

    Weigh it in ??? no testing supper htg Quess you...

    Weigh it in ??? no testing supper htg Quess you got to much time on your hands. TIME IS MONEY. AT $85 hr and $55.00 lbs R22 . Weight by chart is a quessing game. Testing both SH and temp on hot gas...
  12. Replies
    15
    Views
    10,596

    Charging HP in Winter to hottest point by supper heat

    Check the supper heat probe compressor side or txv, I place 2nd probe on hot gas highest heat @ 35 deg supper heat. Over 35 deg temp starts to fall and @ 20deg min supper heat mfg compressor states...
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