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Type: Posts; User: bodhisattva

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  1. Replies
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    Adjusted TXV and added refrig after I cleaned the...

    Adjusted TXV and added refrig after I cleaned the coil again. I think I was just too tired to think when I replaced the compressor. It was 11pm when I finished that night. Box was at 38F this morning.
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    Coil was very dirty but I cleaned it. It does...

    Coil was very dirty but I cleaned it. It does seem kind of undersized but it ran OK for a long time. I will clean it again before I do anything else.
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    Deli box with new compressor

    Embraco Asteria compressor in a cold cut box/display case was shutting off on high amps after only 3 sec. The potential relay seemed to be dropping out the run winding. Put a 3'n'1 on it and it would...
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    By getting the tools of course.

    By getting the tools of course.
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    not with 17 lbs of refrig in a system with a...

    not with 17 lbs of refrig in a system with a factory charge of 7 lbs,.. didn't you read all the posts?
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    I know what I'm doing and I know why I'm doing...

    I know what I'm doing and I know why I'm doing it. The coil isn't that badly damaged. Like I said, I combed it out and I didn't damage it that bad to begin with. I would have pulled the coil to clean...
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    well, ok, it wasn't my finest moment. I've done...

    well, ok, it wasn't my finest moment. I've done it before though, on looser finned coils. I stopped as soon as I saw what it was doing, only damaged about a two inch swath about 5 inches long. Easy...
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    truck12-are you saying I don't know what I'm...

    truck12-are you saying I don't know what I'm doing?
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    Anytime the coil is on the negative pressure side...

    Anytime the coil is on the negative pressure side of the blower you need a trap. I blew it out (the original P-trap) [I]and[I] rebuilt it with 90's so that I had at least 3" of water in the trap at...
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    Blower speed is already low as it will go, I can...

    Blower speed is already low as it will go, I can see the water coming over the edge of the pan and dripping down around the drain collar if I lay on my back and pull the edge of the cabinet out a...
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    Superheat and subcooling tells you where the...

    Superheat and subcooling tells you where the liquid is and where the vapor is. You can tell if you're stacking liquid in the condenser or if you're starving the evap. Pressures alone can't do that....
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    Ambient 82.4 deg F, refrg=R22 Head 210#, Back...

    Ambient 82.4 deg F, refrg=R22 Head 210#, Back 59#, liquid 84.9 deg F, suction 42 deg F, it's upflow and the filter was plugged the first time I looked at it. Boars hair type, cleaned it and combed...
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    condensate leak

    CAC/BDP AHU M #FB4ANF042 with a flat coil mounted on a 45 deg angle. As unit runs water builds up in the drain pan and eventually starts running over the lip [B]on the back side-the negative or...
  14. Yeah, I wouldn't trust an infrared to do a Delta...

    Yeah, I wouldn't trust an infrared to do a Delta T. They only measure the surface temp of what you point it at. You need the actual air temp.
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    I know, we ended up changing out the whole...

    I know, we ended up changing out the whole machines when the txv went. I no longer work for that company and I'm kind of glad I don't have to deal with many Ice-O's anymore.
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    Here's a question I've always wondered about; If...

    Here's a question I've always wondered about; If the duct detector only kills the 24v signal (opens R) what happens if the unit is running in heat and the blower is already running? The blower will...
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    I agree the Manitowoc factory classes are good....

    I agree the Manitowoc factory classes are good. Making mistakes in the field, while embarrassing and sometimes costly, is a sure way to really learn a lesson too. I'm still smarting about that...
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