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Type: Posts; User: FieldGen3

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  1. Replies
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    We have six like units in service. Typically if...

    We have six like units in service. Typically if one goes down and needs an extensive repair we swap the head out with a spare for as little down time as possible. Considering the parts removed I'm...
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    9
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    565

    It would be rebuilt as a spare and it would...

    It would be rebuilt as a spare and it would definitely get new refrigerant when it is put back into service, but I would have a harder time ensuring multiple drier changes once it was. Maybe I can...
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    9
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    565

    Resurrecting Ice-o-Matic

    We have an old ice-o-matic that was abandoned sitting in the back of our shop. I think it's an ICE1007HR, 404a, 208 3PH. It's been sitting there for 6+ months with the evaporator, txv and drier...
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    32
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    2,074

    If a puller isn't available and turning the shaft...

    If a puller isn't available and turning the shaft doesn't free it, I try pushing the blade towards the motor and then sanding the area was the hub met the shaft.
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    1,362

    Has anybody had luck using an ETC in this...

    Has anybody had luck using an ETC in this application? Jamb the sensor in the coil, set-point 18, diff 19. You might be able to experiment with the set-points and find a sweet spot.
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    664

    Doesn't it suck in a bunch of air while you do...

    Doesn't it suck in a bunch of air while you do that? Even if you run the vacuum longer after the switch why not avoid introducing non-condensables by making the switch while still positive? Or you...
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    How are you removing your liquid line hose while...

    How are you removing your liquid line hose while the unit is under vacuum?
  8. Thread: condenser

    by FieldGen3
    Replies
    2
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    417

    http://www.cpsproducts.com/images/products/xs/MT69...

    http://www.cpsproducts.com/images/products/xs/MT69_CPS-molecular-transformator-recovery_31.jpg

    Made me think of this... But google disagrees
  9. Replies
    133
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    6,307

    Thanks for all the feedback. I agree that...

    Thanks for all the feedback. I agree that subcooling as a charging method on systems with a receiver is useless.
  10. Replies
    4
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    1,270

    I need a rig that can fit in the bottom section...

    I need a rig that can fit in the bottom section of a rack and hoist out a 2 hp semi with only 2 foot clearance or less.
  11. Replies
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    6,307

    Thanks, I'll stop worrying about it.

    Thanks, I'll stop worrying about it.
  12. Replies
    133
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    6,307

    Yea I feel good about that system it just made me...

    Yea I feel good about that system it just made me think in general that water cooled condensers could easily be overcharged. I guess it doesn't really matter as long as the receiver can hold it?
  13. Replies
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    6,307

    How can I tell if walk in is over charged?

    So I had to change a LLSV the other day. Pump the unit down, changed the valve, pulled vacuum, opened the king valve and started checking a few things out. Glass was clear, superheat was 3, so I...
  14. Replies
    5
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    I'm only guessing at what you are describing but...

    I'm only guessing at what you are describing but in general cable ties just keep bundles of wire neatly out of the way. As long as they aren't going to get damaged by a fan or a flame I wouldn't...
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    362

    So far I've been lucky that my facility mostly...

    So far I've been lucky that my facility mostly uses the same drive for everything. I have a cheat sheet of the parameters and control wire terminations. On the high voltage side I've had bad...
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    5
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    496

    I wouldn't worry about it as long as the wires...

    I wouldn't worry about it as long as the wires are out of the way.
  17. Replies
    5
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    496

    Push mount cable ties

    Push mount cable ties
  18. Replies
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    582

    Good to know. Are you satisfied with the gauges...

    Good to know. Are you satisfied with the gauges otherwise?
  19. Replies
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    582

    Thanks for the reply. The picture of those gauges...

    Thanks for the reply. The picture of those gauges makes them look a little more durable than others. Should I not worry so much about them bouncing around in the truck? I am thinking of getting two...
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    Boots for 3-1/2" liquid filled gauges

    Looking into getting the 3-1/2" liquid filled gauges (YJ part #'s 49513 & 49514). Will the 3-1/8" gauge boots (49190) fit these?
  21. I have a couple questions about these steps: 1....

    I have a couple questions about these steps:
    1. After draining the oiling and replacing the plug, does running the pump for 3 to 4 seconds without oil in it risk damaging the pump?
    2. How does the...
  22. Replies
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    3,839

    Thanks for the explination. It's starting to make...

    Thanks for the explination. It's starting to make a lot more sense.
  23. Replies
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    3,839

    Refrigerant Delta T Across Evaporator

    I saw a journeyman take the temperature rise of the refrigerant across the evaporator of a walk in cooler. First temp was taken between the outlet of the txv and the distributor, second temp was...
  24. Thread: vacum setup

    by FieldGen3
    Replies
    102
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    13,802

    Can someone explain the best way to break the...

    Can someone explain the best way to break the vacuum in these setups? My concern is damaging the micron gauge during a triple evac or charging. It doesn't look like you can isolate just the gauge if...
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