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Type: Posts; User: mark_aanr

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  1. Replies
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    beenthere, When I said "thus the...

    beenthere,

    When I said "thus the recommendation to use virgin refrigerant", I was referring to the recommendation that Jultzya must have heard. I was not implying I agree with the recommendation....
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    Jultzya, I think this is because R410A is...

    Jultzya,

    I think this is because R410A is technically a Zeotropic blend (although it is near Azeotropic). Thus, for leaks, it is possible that the blend formulation ratios got out of whack, and...
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    So at least based on the low pressure, that puts...

    So at least based on the low pressure, that puts the refrigerant at 49 deg, the evaporator at 59deg, and the air off at 69 deg. So that falls close to your 70 degrees.

    Why is the suction pressure...
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    Must have been a Carrier evaporator coil...... ...

    Must have been a Carrier evaporator coil......

    Mark
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    I have to agree with casturbo here. If the...

    I have to agree with casturbo here.

    If the evaporator is dirty AND the tech charged to the correct superheat, then the superheat will be too high after the coil is cleaned.

    However, if the...
  6. I got started with the book. Heating and...

    I got started with the book.

    Heating and Cooling Essentials by Jerry Killinger.

    Good overall coverage of the industry from working with copper up to customer service. LOTS of colored pictures...
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