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  1. Thread: Manual J Calcs

    by crisrs
    Replies
    5
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    604

    How accurate can these manual J calcs be? Can a...

    How accurate can these manual J calcs be? Can a contractor tell the quality of your wall insulation just by looking at the wall? Can you tell whether double glaze windows are high e or even if the...
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    699

    Negative Pressure might be causing drain to back...

    Negative Pressure might be causing drain to back up, try putting a trap on the primary drain.
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    3,237

    Indoor swimmin pool Nice

    Indoor swimmin pool Nice
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    895

    "Make sure the burners light smoothly. Adjust...

    "Make sure the burners light smoothly. Adjust burner air shutters if needed to obtain complete combustion of the fuel. This ensures safe, efficient operation."
    Glenn Taylor -Manager of Technical...
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    6
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    895

    What is the best way to adjust the air fuel...

    What is the best way to adjust the air fuel adjusters on residential gas furnaces. Color of flame tips?
    Is it true that residential gas furnaces are designed to eliminate the risk of excess CO from...
  6. Replies
    7
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    806

    Thanks for the help on this one. I'm going get my...

    Thanks for the help on this one. I'm going get my double reverse mirror so I can read those ballast specs without getting my head frozen. Every tube in these freezers is missing shields and end caps...
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    7
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    806

    I got a couple of 3 door freezers with Ardco...

    I got a couple of 3 door freezers with Ardco Vanguard doors and frames. The problem is the flourescent VHO lamps go real dim when they get down to temp -5 to -15 F. Anybody got any ideas about this.
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    2
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    1,666

    Does anyone know where I can find wiring diagrams...

    Does anyone know where I can find wiring diagrams for manitowoc ice machines. I am working on one that has four relay lined up in the upper left corner labeled A B C D.
    The model plate is worn off....
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    1
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    628

    For the last few years I have been using Onset...

    For the last few years I have been using Onset Computers HOBO dataloggers in equipment I have been working on. These dataloggers can be programmed to take temp measurements for up to 3 years. I...
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    15
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    1,505

    In some of my stores I have come across timers...

    In some of my stores I have come across timers that shut down walk in coolers at 1 am and turn them back on at 5am.
    These timers turn off the condensing unit.Evap fan still runs. Does anyone know if...
  11. Thanks for all the good replies, I am going to...

    Thanks for all the good replies, I am going to move things around in these cases and mabye even make a temporary air diffuser to try and solve this problem. Humidity in SF bay area is not to much of...
  12. Can anyone tell me why frost collects on the ice...

    Can anyone tell me why frost collects on the ice cream containers in some of my reach in units. The door gaskets look good and the coils are not icing up so I think the defrost circuit is OK. Box...
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    11
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    1,137

    Thanks for the tip

    Thanks for the tip
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    1
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    1,630

    Where can I find piston displacement and RPM data...

    Where can I find piston displacement and RPM data for small Copelamatic compressors
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    4
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    1,228

    charging cylinders

    I have used charging cylinders to charge 4-6 oz in small systems. My old cylinders were calibrated for r12 and 22 so I had to recalibrate them for 134 and other gases using a digital scale.
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    1,137

    The part I don't get is two freezers next to each...

    The part I don't get is two freezers next to each other at box temp of -10 F both air cooled with 408 gas and one ices up to the compressor and the other doesn't
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    2,367

    Just today I saw a tech charging a 502 system...

    Just today I saw a tech charging a 502 system with R22 .Will this work or how much damage has been done to this system. All of the the other freezers use 408 for the 502 replacement. The tech was...
  18. Replies
    11
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    1,137

    I would like to know why on some reach in...

    I would like to know why on some reach in freezers I am getting frost back all the way to the compressor.3 hp system with receiver charged until sight glass has no bubbles. Isn't the TXV supposed to...
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