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Type: Posts; User: Bobby67

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  1. Replies
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    Thank you all for the info. I will take your...

    Thank you all for the info. I will take your advice.
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    Swapping r-22 for r-12

    One of my walk in boxes still uses r-12 gas. I run the box at about 37 degrees F. It has the condensing unit on top and is indoors. The compressor is a Tecumseh #AH7514A. Can I switch to r-22 gas by...
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    update

    It turned out that the headmaster was perfectly fine and it WAS a low gas problem from the leak which I repaired. CRITICALLY CHARGED has been entered in my dictionary. Thanks.
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    pressures

    The running pressure is about 45 and it drops to almost 0 when the solenoid closes; that's why I'm thinking the 10-25 switch should work.
    The compressor has two fans pulling air across it and I can...
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    Low pressure cut-off switch

    One of my walk-in boxes is controlled by a temp gauge that operates a solenoid to close the liquid line and drop the suction pressure to trip the low pressure cut-off switch. The compressor is...
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    Thanks for the help. I'm sorry I have not posted...

    Thanks for the help. I'm sorry I have not posted the results sooner. I comptetely cleaned the machine and probe - no go. Then I replaced the brain - no go. Then, even though the fill valve seemed to...
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    monitowoc SY0604A

    My 6 year old ice machine started working intermittantly. It would stop filling before the water level touched the probe. Then it would start up after harvesting a sheet and just the compressor would...
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    Thanks for the explanations, they are very...

    Thanks for the explanations, they are very helpful. I did pump the system down before replacing the txv and I pulled a vacuum afterwards. Since the problem occured before I performed the switch, I...
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    There was a small leak on the expansion valve...

    There was a small leak on the expansion valve which I replaced before I called the professional. I told him it was probably running on an insufficient charge since I did not replace any gas before...
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    It does have a sightglass. The periods when it's...

    It does have a sightglass. The periods when it's working fine the sightglass shows a thick rush of liquid with bubbles. When it stops working, which used to be after some days but is now after only a...
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    Walk-in box with outdoor compressor

    I put a new outdoor compressor unit on my ancient walk-in box 5 years ago and it has been working fine until recently. It would randomly stop cooling for no apparant reason. Shutting it down for 15...
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