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  1. Thread: Work Pants

    by Capz
    Replies
    44
    Views
    3,142

    I am not permitted to wear blue jeans. I prefer...

    I am not permitted to wear blue jeans. I prefer carpenter style jeans but are only available in blue jean or cardhart and dicky duck style material. 60/40 polyester is durable but way too hot. I...
  2. Thread: subcooling

    by Capz
    Replies
    74
    Views
    1,986

    And keep in mind, liquid is more dense than...

    And keep in mind, liquid is more dense than vapor, it's heavier. So...additional sub cooled liquid must be present in the system to push the liquid up hill or to elevate it to an evaporator that may...
  3. Thread: subcooling

    by Capz
    Replies
    74
    Views
    1,986

    You can't have too much sub cooling unless we are...

    You can't have too much sub cooling unless we are referring to condensing units without receivers. But at some point the liquid will stabilize at the given temps and pressures. The liquid will only...
  4. Replies
    8
    Views
    262

    I'd use new copper nipple & fittings to make the...

    I'd use new copper nipple & fittings to make the transition. Don't forget to use silver solder & flux on that new valve.
  5. Replies
    19
    Views
    531

    Twist it or wiggle it.

    Twist it or wiggle it.
  6. Thread: Odd restriction

    by Capz
    Replies
    60
    Views
    1,431

    I'd measure temps of condenser inlet, mid area,...

    I'd measure temps of condenser inlet, mid area, outlet for gradual temp change. If you notice a rapid change of temp indicating flooded condenser from an overcharge, then I'd say still have a...
  7. Replies
    7
    Views
    372

    Good work on that Kenmore and you should have...

    Good work on that Kenmore and you should have plenty of *winter* in charge that puppy. Not that it matters!
  8. Replies
    54
    Views
    1,292

    Possible still air in the system? Or a really...

    Possible still air in the system? Or a really cruddy condenser? How confident are you of your vacuum pump and hoses? What about the headmaster valve? Could it be bypassing the condenser? Is the...
  9. Thread: Odd restriction

    by Capz
    Replies
    60
    Views
    1,431

    Factory doesn't want to admit their cap tube...

    Factory doesn't want to admit their cap tube units can plug. You will have this unit working like new after you go back with the new cap tube and recharge. I never had any luck cutting back a few...
  10. Replies
    23
    Views
    737

    Head psi is high cause your load is high. Look...

    Head psi is high cause your load is high. Look at your suction pressure, should be 10F colder. And it could it be overcharged?
    Check Superheat too as mentioned.
  11. Thanks too Ice. I didn't answer that question...

    Thanks too Ice. I didn't answer that question quite correctly!
  12. Replies
    27
    Views
    1,267

    She's either loaded up due to a defrost circuit...

    She's either loaded up due to a defrost circuit heating or an overcharge condition. Unplug the heater and try it before installing that tap.
  13. Replies
    3
    Views
    344

    I tried to go lower to 55psi but my SH drops...

    I tried to go lower to 55psi but my SH drops rapidly closer to 10 F. and lower at the compressor. Not sure I wanted to push the envelope.
  14. Replies
    135
    Views
    3,168

    One time I was wiring up a smaller commercial...

    One time I was wiring up a smaller commercial walk in cooler. Another tech had installed it. The cooler called for a 230v 1p. He had installed a 115v compressor. Sparks everywhere! I didn't need...
  15. Replies
    135
    Views
    3,168

    Make double sure you have the Run & Start wires...

    Make double sure you have the Run & Start wires correct at the compressor. If flipped flopped.......
  16. Medium temp. 34F-40F. Sporlan uses this term in...

    Medium temp. 34F-40F. Sporlan uses this term in regards to TEV's
  17. Hey, little late adding my .02 cents here. I...

    Hey, little late adding my .02 cents here. I worked on many old R12 units all running R409A with good results I may add. I experimented with R134 condensing units with marginal at best results. I...
  18. Replies
    3
    Views
    344

    Unloader valve settings?

    I have a custom built 2 stage compressor AC unit cooling (3) OR rooms. 400,000 btu, I think? It's the size of a boxcar!
    (2) Copeland 4DK3A2500 compressors, 55F discharge temps at the blower before...
  19. Replies
    135
    Views
    3,168

    Obviously a wiring issue.

    Obviously a wiring issue.
  20. I've found...the newer R404 commercial temp units...

    I've found...the newer R404 commercial temp units will need a time clock while the older R12 style units running a R409 are more forgiving but that likely comes back to what 2Sac stated, bigger...
  21. Replies
    9
    Views
    458

    Sounds like you have a Manotowic but anyway, the...

    Sounds like you have a Manotowic but anyway, the water pump should continue to run some water over the cubes while the hot defrost is warming. ( I think! I know Manotowics do.)

    Do yourself a...
  22. Replies
    77
    Views
    4,858

    The hardest ones to work on are 1). the cruddy...

    The hardest ones to work on are
    1). the cruddy never cleaned looking like a grease collector,
    2). the designs requiring 4 hands to take apart & put back together.
  23. Replies
    46
    Views
    2,464

    You cut out the dryer. You blew thru the cap...

    You cut out the dryer. You blew thru the cap tube? Into the evaporator? Out of the evaporator into the compressor back thru the discharge, thru the condenser back to where you started? Really? I...
  24. Replies
    22
    Views
    1,678

    If your thumbs get tired & you are careful a...

    If your thumbs get tired & you are careful a mallet comes in handy too but certainly use heat in any form first.
  25. The quality of yellow brass is, well, not very...

    The quality of yellow brass is, well, not very good. The copper content is very low. I'd use 45% with white flux. Sil fas can be a hassle on brass. But also keep in mind, yellow brass requires less...
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