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  1. Replies
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    Fortune favors the brave.

    Fortune favors the brave.
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    I mean wire the compressor directly to line...

    I mean wire the compressor directly to line voltage. You will know quickly whether the issue reside in the compressor on in the drive.
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    Can you bypass the drive?

    Can you bypass the drive?
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    try these: ...

    try these:

    http://www.sears.com/shc/s/p_10153_12605_00934299000P?sid=IDx20070921x00003a&ci_src=14110944&ci_sku=00934299000
  5. Thread: king valve

    by bullgear420
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    9,842

    Mr. Ice, I have been thoroughly enjoying the...

    Mr. Ice,

    I have been thoroughly enjoying the Audel's book you posted. It hearkens back to a time when men were men. Check out pg. 125; special diagnostic methods for the turn of the century...
  6. Thread: king valve

    by bullgear420
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    9,842

    king valve

    does anybody know where this term originated? just curious.
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    Beacon II low ambient control

    I serviced a 9000 btu Heatcraft Beacon II WIC recently. I was curious how these machines are supposed to regulate head pressure with out a LAC type valve or fan cycling. Is is not important to...
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    A couple of years ago I worked on a small McQuay...

    A couple of years ago I worked on a small McQuay centrifugal that had several hundred pounds of r-500 in it. In the next room was one with several hundred of r-12. They were just torn out a year...
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    Desert Aire De-Hunidifier

    I have one of these units that lost a compressor recently due to burnout.
    M/N LC05E4NNE.

    The unit had a leak and the HGBP cooked the compressor as well as melting insulation on the suction line....
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    Great pics! I would live to see more! They're...

    Great pics! I would live to see more! They're like thermodynamic porn!

    I gotta get one of them!
  11. Thread: Ice Rink

    by bullgear420
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    559

    A burley it was. I hope I can get my filthy hands...

    A burley it was. I hope I can get my filthy hands on it this winter.
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    The best thing we can do as a community is...

    The best thing we can do as a community is discuss the problem that we have with certain products in a forum such as this one, as well as with co-workers. If word gets out that something sucks, guys...
  13. Thread: Ice Rink

    by bullgear420
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    Thanks Mr. Ice. The pumps were located a good 4...

    Thanks Mr. Ice. The pumps were located a good 4 feet below the receiver, so hopefully that would help with NPSH. I noticed that there were no head fans on the compressors, which I would expect at...
  14. Thread: Ice Rink

    by bullgear420
    Replies
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    559

    Ice Rink

    I was checking out an ice rink system that my company is bidding to maintain today. The system uses a DX evap with 4 Bitzer recips, R-22, electronic expansion valves. I noticed that the the remote...
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    Industrial/Ammonia

    Any of you guys work in this market? Is the RETA CARO/CIRO the best cert to get to get a job working around this sort of equipment (Frick, Vilter, Cimco etc.)?

    In my area, most of the companies...
  16. Thread: NYC Rules

    by bullgear420
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    803

    I would try posting this to the chiller section,...

    I would try posting this to the chiller section, even though your question has to do with refrigeration. Any of the mechanics that do NYC work will either be or know Operating Engineers from the...
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    What are you trying to refrigerate with your four...

    What are you trying to refrigerate with your four stage system?

    It looks like an interesting project!
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    You also might want read a little bit more about...

    You also might want read a little bit more about the equalization port that you have capped on your setup.
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    What ever pressure you put in there would have to...

    What ever pressure you put in there would have to balance the other working pressures in the valve. The evaporator pressure, and the spring pressure both work against the bulb pressure to close the...
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    http://www.grunerbrass.com/Details.asp?Id=1230

    http://www.grunerbrass.com/Details.asp?Id=1230
  21. Replies
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    I just spent the last half hour learning about...

    I just spent the last half hour learning about frost free flare nuts.

    Good stuff.
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    5,202

    loctite 567 on pipe, and tiny bit of dow corning...

    loctite 567 on pipe, and tiny bit of dow corning 111 (silicone) on o-rings and flare fittings
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    The compressor is going, the metering device is...

    The compressor is going, the metering device is sensing liquid level. The evap and condenser barrels will be staying. I'm trying to figure out how much more compressor HP I will need to accomplish...
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    refrigeration capacities

    If I wanted to convert an existing r-22 system to r-134a (this is strictly hypothetical!!!), and I knew the tonnage of the system, how would I go about determining the increase or decrease of tonnage...
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    By "unload", do you mean overload? What is the...

    By "unload", do you mean overload? What is the amperage of the compressor as related to the rated amperage in your Emerson book?

    What is your superheat, and what application is this scroll...
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    try checking your wiring, heaters and inductive...

    try checking your wiring, heaters and inductive loads with a megger. you will find shorts, and weakened insulation in the wiring where your might not with your multimeter. refrigeration stuff is...
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    thank you!

    Thank you all. I tried the hot water/mallet method today, and everything went swimmingly.

    I haven't done much refrigeration, but I'd rather work in a kitchen than an office building on some POS...
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    door gaskets

    Is there a trick to replacing door gaskets? I spent a good hour squeezing a new gasket into an Artic WIF today with a pair of channelocks whilst slipping in whatever slime (chicken fat I think) was...
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    You could use a heat gun, or leave a couple of...

    You could use a heat gun, or leave a couple of droplights in there and go to the bar.
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    Is the expansion tank a bladder type?

    Is the expansion tank a bladder type?
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    Thermo Fisher Scientific Freezer

    I had a call Saturday night from a panic-stricken scientist whose -86c freezer had a low battery alarm light on.

    The system was holding setpoint, so I split, and I will order him a battery Monday...
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    "porn and orgies usually follow the cooking of...

    "porn and orgies usually follow the cooking of meth."

    sounds good yellowirenut. you coming over?
  33. Replies
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    Well, you have very high superheat, and 8 degrees...

    Well, you have very high superheat, and 8 degrees of subcooling.

    Condenser is full and evap is empty.

    Sounds like you might have a restriction...
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    What did the box eventually pull down to?

    What did the box eventually pull down to?
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    Ghetto Cooler

    I was working in the hood today on this:

    http://www.powersequipment.com/milkcase.htm

    I was working on the 780.

    Does anyone know if these need to be drained to a floor drain, or are they...
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    Those pesky Cooperlands are very difficult to add...

    Those pesky Cooperlands are very difficult to add oil to. You will probably have to call a refrigeration mechanic.
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    GE, droplight and a spray bottle. I stole my old...

    GE, droplight and a spray bottle. I stole my old man's and it still works.

    I had to pick up the H-10G for 134a, but the technology is still the same, and still works well.
  38. From the information in your post, it sounds like...

    From the information in your post, it sounds like you have a fouled condenser. You are staying online with city water because it is cooler. To really get a picture of what is going on in the system,...
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    that is not an strange ohm reading at all for a...

    that is not an strange ohm reading at all for a larger three phase motor. (think ohm's law) If you post the M/N, i can get you the exact factory rating from the carlyle comp book.

    I agree with...
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    demand cooling

    I replaced a Copeland demand cooling control yesterday. Do they all come shipped with a jumper in the sensor port? If so, why?

    No literature was provided with the device, and it piqued my...
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    You won't get there with hotshot unless you run...

    You won't get there with hotshot unless you run in a vacuum.
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    Why don't you wire it for conventional stat until...

    Why don't you wire it for conventional stat until you get the proper troubleshooting material, or a trained tech?
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    If the oil is getting milky, you still have...

    If the oil is getting milky, you still have moisture. When the vac oil milks up, you are getting close the saturation temperature of the water in the system and boiling it off, and thus bringing it...
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    According to United Refrigeration Hot-Shot is OK...

    According to United Refrigeration Hot-Shot is OK for automotive use. It has a high boiling temp which make it suitable for a 20-30 degree coil. It does not have propane, but it does have isobutane....
  45. Thread: COLD ROOM

    by bullgear420
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    913

    I haven't seen this type of box, but I have...

    I haven't seen this type of box, but I have worked on some large industrial dehumidifiers. They use the hot gas to reheat the discharge air of the evaporator coil.

    The air leaving the evaporator...
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    is this a newer scroll compressor? newer scrolls...

    is this a newer scroll compressor? newer scrolls will "unload" via bypass if the head is high. it sounds like you might have a dirty condenser (maybe not visibly) or non-condensibles left over form...
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    if the waterside of the circuits in question are...

    if the waterside of the circuits in question are piped to a common heat exchanger as the ones that are running properly, i would say you have a refrigerant side problem, most likely you are...
  48. Thread: York Screw

    by bullgear420
    Replies
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    942

    York Screw

    gotta get this thing online this weekend... anyone know for sure if York "s" is the replacement for York "g" oil? shop claims it is, but i thought i'd ask the field. machine is a YSDCDBS3, R-22. the...
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