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  1. Replies
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    GROUND SOURCE HP/GEOTHERMAL HP

    1- Anybody familiar with GSHP?
    a. I know what they consist of, installs, vertical, horizontal and pond/lake loops
    2- How can I achieve a WINTER LOAD FACTOR per ton, also for SUMMER?
    3- How...
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    DiGITAL MANIFOLD GAUGES

    Looking to purchase a set of digital gauges and want feedback/opinion on what brand/model is recommend?

    Have a set of REFCO that seem to be slippin’!
    :grin2:
  3. Thread: HIGH SC & SH

    by dukes13
    Replies
    6
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    507

    HIGH SC & SH

    A/H YORK- M# N4AHD16A06A; S# EBES036422
    CU Am. Std.- M# 2A7A4060B1000BA; S# 8151UKH2F
    R-22

    I found the unit iced, big block of ice as the call came in on Friday, sent me out Tuesday after...
  4. Thread: MICRON GAUGE

    by dukes13
    Replies
    14
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    1,283

    MICRON GAUGE

    What do you guys think about the JB SUPERNOVA DV-41 digital micron gauge?
    It seems to show a quicker level than others I've used.
    I use a JB PLATINUM DV-285N 10cfm vacuum pump.
    :det:
  5. Replies
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    evacuate system down to 445µ! + NO mixed...

    evacuate system down to 445µ!
    +



    NO mixed refrigerants.

    especially with mixed refrigerants txv's?
  6. Replies
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    2,667

    What do you mean? especially with mixed...

    What do you mean?

    especially with mixed refrigerants txv's?
  7. Replies
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    2,667

    BUBBLES IN SIGHT GLASS

    Is it possible to have a correct charge and still have bubble in the sight glass? 8ºSH, 10º SC, R-22
  8. Replies
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    It was a TXV restriction, tkx for replys.

    It was a TXV restriction, tkx for replys.
  9. Replies
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    1,260

    Compressor overload opening after 20 minutes?

    Am. Std. CU- M# TTA120A400BC S# N3146DHAH
    A/H M# TWE120A300CA S# N27105E5H
    Compressor overload opening after 20 minutes of operation; ambient 85º
    Suc.- 63 psi @39 SAT
    line temp 69º SH 30º...
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    1,349

    Suction accumulator

    I have a LAN room at a power plant, 30’x 15’ with 30 ton of cooling, 3- 10 ton splits, they don’t operate simultaneously, losing compressors due to slugging. What is the protocol for installing a...
  11. Thread: Hmmmm?

    by dukes13
    Replies
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    3,217

    NO, THAT'S THE LIQUID LINE!

    NO, THAT'S THE LIQUID LINE!
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    I was waiting for that one!

    I was waiting for that one!
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    1,303

    HH cores/dryers

    How long should an HH core/dryer stay in system after a burnout, I know about checking the oil for acid and all but, I have a new super who knows crap about HVAC, which he denies, and can’t convince...
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    El Paso, TX :)68* to 72* all week.

    El Paso, TX :)68* to 72* all week.
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    Hydro testing recovery cylinders?

    I'm looking for a company to send my contaminated refrigerant and hydro test recovery cylinders. I live in El Paso, TX. No one is providing this service anymore down here.:(
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    I second that!:confused:

    I second that!:confused:
  17. Replies
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    Born in'58', started ductwork at 13.

    Born in'58', started ductwork at 13.
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