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Type: Posts; User: justtrying

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  1. Replies
    39
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    2,273

    So first off let me say thanks for all the great...

    So first off let me say thanks for all the great info second before i mess with the txv i would like to clean the condensor. From the info i have gathered here no seems to remember the last time the...
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    2,273

    Before putting out this thread i knew to get all...

    Before putting out this thread i knew to get all my ducks in a row. I went back to the PT CHART and can not believe i made that mistake. To answer a few questions i am right out of school working in...
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    2,273

    walk in freezer

    The call was evaporator all froze up. The unit had its fans turned off to the evaporator so i defroster the evaporator and turned the unit on but it seems to me the system is overcharged. The unit is...
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    633

    so i am getting 0 superheat at the evaporator and...

    so i am getting 0 superheat at the evaporator and 80 degrees at the compressor.
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    633

    box temp right now is 0 degrees suction pressure...

    box temp right now is 0 degrees suction pressure is 5" evaporator outlet temp 0 high side pressure is 112 high side temp before the condensor is 170 outlet temp of the condensor is 68 water into the...
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    633

    you know your right i took these measurements to...

    you know your right i took these measurements to quickly after startup. I had the compressor off for an hour or two to make sure of no frost. The box temp was probably 10f and on the way up when i...
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    633

    low temp freezer

    Little nervous doing a low temp freezer first time using MP-66. The suction pressure is 2"hg discharge pressure is 112.
    temp out of the evaporator is 28 discharge temp out of the condensor is 77....
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    2,296

    thanks

    thanks
  9. Replies
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    went looking for a wiring diagram and of course...

    went looking for a wiring diagram and of course there is none to be found i have e-mailed the manufactor to get one. To answer a few questions that i left out when i got there the pressure control...
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    2,296

    reach in cooler

    First post so i will try to give as much information as i can. It is a Traulsen reach in double door cooler it is using R-22. The call i recieved was the unit had frozen the cheese in the cooler. My...
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    found small leak by the txv.

    found small leak by the txv.
  12. Replies
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    790

    warm freezer

    working on a meat freezer normal temp -10 it is now running at 20. the unit has mp-66 in it with a water cooled condensor. what should i be looking for low side and high side pressures right now it...
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    459

    will do i replaced it but i just did not want to...

    will do i replaced it but i just did not want to throw it away with out investigating the why.
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    459

    honeywell t-stat

    i have a honeywell pnuematic t-stat, when set temp and desired air temp match i get a very high pitch noise. do i replace or can i clean one of the air ports in it.
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    pump down

    building engineer who sort of inherited this problem. closed reciever valve suction pressure would not hold, so do i shut the sucion valve to figure out if its the pump down or the valves on the...
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    843

    cycling time

    I have a walk in vegtable cooler it runs on mp 39 the systems runs extremely well until you get down to temperature, then it starts to cycle badly. It has a snap acting temp control in the box and...
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    cycling time

    I have a large vegtable cooler, it runs off MP_39. Everything runs fine until it gets down to temperature then it starts to short cycle. It has a snap acting temp control that closes when it reaches...
  18. Thread: confused

    by justtrying
    Replies
    4
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    685

    confused

    I will try to explain this best i can. I have two small refrigerators both with there own txv and evaporators. They share the same compressor and condensor. one of them is running at 36 degrees the...
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