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    Tonage on a Armstrong ???

    Wondering if anyone knows how to break down the model number on an Armstrong fan coil unit to find tonnage. Armstrong Fan Coil Unit M# USA07S00.0-5 S# A19767CMA. Condenser is a 3 ton but it was...
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    The person wants outdoor to stay. they run and...

    The person wants outdoor to stay. they run and before anyone asks.. yes we talked about replacing all and they dont want to. The problem is the outdoors tags are worn so getting tonage off them isnt...
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    Not looking for repairing the old coil. I was...

    Not looking for repairing the old coil. I was looking for what the tonage of the coil that is in it now. For replacing ... Repair as in system repair not coil repair
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    Magic chef evap btu rating

    I have a customer in need of replacing there evap sections, pans and deck under evap coil rotted out. I dont know how Magic Chef does there ratings through model or serial numbers. Condensers have...
  5. Testo combustion analyzers 330 and 327

    I have used the Testo 330-1 meter before and liked it. Ive looked up Testo meters and found a big price difference between the 330-1 and the 327-1 ( 327 is about half the price ). could anyone tell...
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    Just letting you guys know i tried a few things....

    Just letting you guys know i tried a few things. Found microns do climb a bit when letting sit on a system with some size but will level off if no leaks. if a vaccum is pulled again it seems to level...
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    Thanks Mark, I didnt know normal hoses did that.

    Thanks Mark, I didnt know normal hoses did that.
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    Rick

    Yes Rick i did run three microns together and all read close to eachother with the same rise in microns when left alone. As far as the shut off i used the 6" hose with ball valve, the 5' brand new...
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    checking micron gauge

    Could you tell me the process you use for checking your micron gauge for leaks? If coming right off pump is a bad idea, what process could be used to check the gauge only for leaks? thank you
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    vacuum gauge testing

    heres an odd question. been doing this along time so please understand my problem. I HAD 2 micron gauges ( 3 now ). i decided i should check mine cause there getting old. so i threw them on my...
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    Thanks for trying

    Thanks for trying
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    I think SOME service companies, customers, and...

    I think SOME service companies, customers, and techs have forgotten what a PMI is .... " preventative". Trying to prevent un-nessasary service calls. To me clean coils, filters, and good belts on a...
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    Thanks!

    Thanks!
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    looks like the special no filter needed, throw away evap

    Had something simular happen. Doing a new customers building with roof tops. Every coil on roof was stuffed. Evap coils filtered better than the wrong size filters in it. They said last company...
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    Magic Chef furnace model # breakdown

    Could anyone tell me the break down for the Magic Chef oil furnace model # L62-84D-12 ( serial # B15170M88 ) 84,000 out btu. I know its old, ect. long story but trying to see what it could handle...
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    Pump down or not - med. temp

    My question is there any dis-advantage to running a temp controll straight to a condenser to make or break the compressor contactor rather than using a pump down system? I was asked this by another...
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    Small ZEL compressors

    I have a small bevrage dispensor with a dead comp. The compressor is a ZEL GVY40AD. The unit is a throw away unit but what im trying to find out is the BTUs of compressor. I cant seem to find ZEL...
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    Rodney, if possible could you tell me where i...

    Rodney, if possible could you tell me where i could find info on this process and general guild lines of using the product. I dont even know the trade name for this or a supply house that would have...
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    Have to say i never saw it before and seeing it...

    Have to say i never saw it before and seeing it under wall of shame a few times made me think it was a hack way insulating. I assume in your area this is a typicaly used product and i'm sure after 5...
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    thanks rodney. never saw it before

    thanks rodney. never saw it before
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    guess thats what this sites about. learn...

    guess thats what this sites about. learn something new every day. thanks craig
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    It funny after all these years when you ask " how...

    It funny after all these years when you ask " how do you check an exchanger ? " still theres no 1 answer. I understand people have and use different methods but i would think the safety importance of...
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    Maybe i'm off on the leak idea but remember if it...

    Maybe i'm off on the leak idea but remember if it had or has a leak and has ran a vacuum do to this, if there is a sealantadded. i have no idea how it would react to heat from running low charge-...
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    The pictures are posted in this site under the...

    The pictures are posted in this site under the Wall of shame pictures.
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    As i said. I havent used the sealant but people i...

    As i said. I havent used the sealant but people i have worked with like it. Someone with more time using it might know better but as i understand it, it has a chemical change when mixed with air (...
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