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Type: Posts; User: 85goldwing

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    Then plot thickens. I got in touch with the...

    Then plot thickens. I got in touch with the factory rep. to confirm some information. Turns out the tecumseh compressor that got shipped is made in France. The part number that was ordered was...
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    got the unit running today. Added the correct...

    got the unit running today. Added the correct amount of refrigerant via digital scale, adding the correct additional amount for the over-sized filter/drier. It only got the temp down to 37 degrees....
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    I did add additional refrigerent to compensate...

    I did add additional refrigerent to compensate for the oversizing of the new filter/dryer. To answer ivan, I never did reach anything close to desigh temp.
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    Tomorrow I will put in a new filter/drier. I'll...

    Tomorrow I will put in a new filter/drier. I'll check for leaks with nitrogen. Then I will pull vacuum, check for leaks again and then pull another vacuum using my jb micron gauge. If all goes well,...
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    This unit for sure was not short on refrigerant....

    This unit for sure was not short on refrigerant. I took out just short of 4 lbs on a system that calls for 3.3 lbs of 404a. So I am still wondering about the air in the sight glass. Could a...
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    wondering

    How does a system with a receiver get air bubbles going by the sight glass down stream of the receiver. Maybe a dumb question, but I thought that condensed high pressure liquid went in to the...
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    It is for sure not low on charge. I'm thinking...

    It is for sure not low on charge. I'm thinking that there is obstruction in one of the lines or the txv is bad?
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    suoerheat was 35 degrees

    suoerheat was 35 degrees
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    it didn't reach temp in either a chill 34 degrees...

    it didn't reach temp in either a chill 34 degrees or a freeze mode -10 degrees. it wouldn't go any lower then 48 degrees.
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    the plot thickens

    Well today I worked on my pet project and ran into a stumbling block. Hoses are fixed, vacuum is good. Used a brand new JB DV-40 micron gauge, pulled down to a 220 micron vacuum. It sat at this for...
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    i told you so

    Thanks for the replies gentlemen. I believe that I found the issue with my not being able to pull down to a good vacuum. By way of rechecking I hooked the set of gauges I am using up to the vacuum...
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    blast chillers

    I am back in the hvac industry after a very long time away. I am working on a blast chiller that runs 404A refrig. I have just changed out the old evap. for a new one. I pressure tested the new to...
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