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  1. Thread: HIGH SC & SH

    by dukes13
    Replies
    6
    Views
    447

    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...
  2. Thread: MICRON GAUGE

    by dukes13
    Replies
    14
    Views
    1,091

    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:
  3. Replies
    20
    Views
    2,408

    evacuate system down to 445! + NO mixed...

    evacuate system down to 445!
    +



    NO mixed refrigerants.

    especially with mixed refrigerants txv's?
  4. Replies
    20
    Views
    2,408

    What do you mean? especially with mixed...

    What do you mean?

    especially with mixed refrigerants txv's?
  5. Replies
    20
    Views
    2,408

    BUBBLES IN SIGHT GLASS

    Is it possible to have a correct charge and still have bubble in the sight glass? 8SH, 10 SC, R-22
  6. Replies
    10
    Views
    1,172

    It was a TXV restriction, tkx for replys.

    It was a TXV restriction, tkx for replys.
  7. Replies
    10
    Views
    1,172

    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 85
    Suc.- 63 psi @39 SAT
    line temp 69 SH 30...
  8. Replies
    13
    Views
    1,268

    Suction accumulator

    I have a LAN room at a power plant, 30x 15 with 30 ton of cooling, 3- 10 ton splits, they dont operate simultaneously, losing compressors due to slugging. What is the protocol for installing a...
  9. Thread: Hmmmm?

    by dukes13
    Replies
    18
    Views
    3,074

    NO, THAT'S THE LIQUID LINE!

    NO, THAT'S THE LIQUID LINE!
  10. Replies
    24
    Views
    3,403

    I was waiting for that one!

    I was waiting for that one!
  11. Replies
    16
    Views
    1,242

    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 cant convince...
  12. Replies
    22
    Views
    760

    El Paso, TX :)68* to 72* all week.

    El Paso, TX :)68* to 72* all week.
  13. Replies
    2
    Views
    759

    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.:(
  14. Replies
    23
    Views
    1,400

    I second that!:confused:

    I second that!:confused:
  15. Replies
    106
    Views
    4,849

    Born in'58', started ductwork at 13.

    Born in'58', started ductwork at 13.
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