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  1. Thread: ID this pump

    by EEAllen
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    2
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    420

    there's a more expensive pump that you can hide...

    there's a more expensive pump that you can hide in behind the indoor unit
  2. Replies
    23
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    1,658

    taht temperature isnt really overheating, i've...

    taht temperature isnt really overheating, i've never repair a windows ac before, why do you think that temperature is overheat, what I consider overheat is when it's too hot to touch the compressor....
  3. Replies
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    1,358

    the high pressure is okay if it's hot, well it's...

    the high pressure is okay if it's hot, well it's hot at miami. Your thermostat is set to 56 degree, it shouldn't frost at all imo. Check your thermostat, see if it's working properly, check the...
  4. Replies
    26
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    1,887

    these mini split AC has a lockout system on the...

    these mini split AC has a lockout system on the board, that if the high pressure switch trips, more than once in a 24 hr period, it will lock out the outdoor and indoor unit, even if you try to turn...
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    41
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    4,252

    i hope you did not put in a R22 compressor, even...

    i hope you did not put in a R22 compressor, even you did put in a R410 compressor, the compressor probably took a great hit of damage by now
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    26
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    1,887

    the purpose of the solenoid valve is to just let...

    the purpose of the solenoid valve is to just let the refrigerant flow. I have not look into the mechanical part of split ac, but they should work the same as all refrigeration systems. So if the...
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    26
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    1,887

    Both, btw why does ur profile said hvac engineer?...

    Both, btw why does ur profile said hvac engineer? :)
  8. Replies
    26
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    1,887

    solenoid valve opens when there's a call for...

    solenoid valve opens when there's a call for cool, and high pressure switch trips when the discharge pressure is too high, the reason it they're in series is so that if the high pressure switch...
  9. Replies
    9
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    669

    yea, the super heat is very high for a freezer,...

    yea, the super heat is very high for a freezer, you have the doors open the whole time or something? did you measure it at a steady state? And yes for a freezer, you should see little frost build up...
  10. Replies
    11
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    879

    like all others said, what exactly do you want to...

    like all others said, what exactly do you want to do? Having a duct going through the roof on the bottom of the unit is already sufficient for air flow. Are you saying that you need an extra duct on...
  11. Replies
    16
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    1,599

    http://www.beverage-air.com/uploadedFiles/docs/UCF...

    http://www.beverage-air.com/uploadedFiles/docs/UCF%2029%20inch%20depth.pdf
    shows the freezer uses 1/3 HP compressor, what's the new compressor you put in, 1/4 hp is a little under sized imo
  12. Replies
    35
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    4,677

    Tool to measure superheat, subcooling?

    What tools do you guys use, specifically to measure the line temperature? I've seen those tool that can measure the pressure at the valve, and the clamp tool to measure the line temperature, but was...
  13. Replies
    11
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    1,574

    what model is your AC, outdoor units should have...

    what model is your AC, outdoor units should have contactors to control the compressor. If you say there's one contactor in 1, and not in the other, that means your INDOOR UNIT is also different. So...
  14. It's harder to convince residential customers to...

    It's harder to convince residential customers to pay that amount for their appliance to be fix, and they usually ask several technicians before having it service. As for commercial places, the owner...
  15. Replies
    16
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    1,406

    AmeriCooler is good walkin. Although I've hit the...

    AmeriCooler is good walkin. Although I've hit the lottery twice with AmeriCooler, they gave me a wrong Panel twice when I installed their walk ins, you know the hook is on the right side, but upside...
  16. Replies
    16
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    1,593

    what do set for low pressure control

    for these simple pump down systems, like walk in boxes, remote cooler/freezer, what are your typical settings for Cut In, and Cut Out, let say for a r134a, 1/3 HP, high temp compressor, with less...
  17. Replies
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    1,805

    depending on what you like to do, but if the...

    depending on what you like to do, but if the wages of the sales vs technician aren't much of a difference that they offered, i would prefer to work as sales, less hard manual work involved
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    552

    Dumbwaiter cable

    just wondering if anyone any good place around NYC area that sells GOOD quality dumbwaiter (food elevator) cable, the one that I got from my local electrical store tend to worn off easily.
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    2,864

    here in NYC, many small restaurants buy Leader...

    here in NYC, many small restaurants buy Leader brand, which is crap, sometimes they undersized the compressor, and soemtimes they don't leave room for the condenser to cool, like those beer coolers...
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    2,864

    what do you guys think of Beverage Air

    what do you guys think of Beverage Air
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    920

    thanks for the help guys, if it fails again next...

    thanks for the help guys, if it fails again next time, i'll make sure i go through a detail diagnose.
  22. Replies
    7
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    920

    Hoshizaki ice machine KM-600MAH

    currently servicing this ice machine, it's new, 3 months old. The machine stops making ice and BEEPS TWICE. The problem is due to long harvest cycle, because there's a big slab of ice in the ice...
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    846

    what's the information on the condenser unit,...

    what's the information on the condenser unit, what's the high pressure at the time it cuts off, is there any high pressure cutoff?, need more infos
  24. Replies
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    1,406

    yea, make sure the base are flat, and all the...

    yea, make sure the base are flat, and all the panels are aligned, if one panel came up just a CM higher or shorter than the other one, u will have a hard time securing all the panels.
  25. we do installation and maintenance of hvac, most...

    we do installation and maintenance of hvac, most painful task would be talking to the customers you are repairing the units, tellign them this is how much they need to pay, CONVINCE THEM, or else you...
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