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  1. 04-12-2005, 09:33 PM #1
    wonder_boy
    wonder_boy is offline Regular Guest
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    Question

    How can you find out if a system has a proper refer charge by only using guages and a p/t chart? Ive always either weighed in a charge or used a glass charging cylinder.
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  2. 04-12-2005, 09:35 PM #2
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    mo-flo
    mo-flo is offline Professional Member*
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    super heat-subcool....and other measurements as well...
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  3. 04-12-2005, 09:38 PM #3
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    infwsdm
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    a thermometer is also very useful!!
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  4. 04-12-2005, 09:57 PM #4
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    tinknocker service tech
    tinknocker service tech is offline Professional Member*
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    you cant charge a unit with only gages
    go through some on the earler post on chargeing mothods and read them
    then you can do it right
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  5. 04-12-2005, 10:04 PM #5
    youngoldtech
    youngoldtech is offline Regular Guest
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    Look to see if there is some data on the unit, a piece of paper that tells you all the information on the unit, if you have it. Then you can match up the pressures to that and be pretty dead accurate.
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  6. 04-12-2005, 10:04 PM #6
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    mo-flo
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    what's a matter don't you trust your air conditioning guy?
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