Looking BEYOND The Fans .....Deep into the HEART of those coils....
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  1. #1
    There has got to be a much better way to see what is going on inside those evaporators!

    I open the FF lineup and lok for air flow ... nothing in this case. Move on to the next one. Ahhh ... airflow.

    So I'm thinking... the coil is feeding better in here than over there. Must be a freon problem or feeding problem. WRONG.... the drain's pluged and iced! AUGH!!!
    Bummer.

    I found today that if I use my pocket inspection probe I can stick it into the fan blades and try to turn the blades to see if they are frozen in place in the pan of ice that's possibly there.


  2. #2
    Join Date
    Jan 2004
    Location
    Earth
    Posts
    4,879
    Check your pan heaters.
    A Diamond is just a piece of coal, that made good under pressure!

  3. #3

    Blocked drains are...

    a distressingly common problem when you consider it reflects the low frequency of case cleaning in supermarkets.

  4. #4
    Join Date
    Feb 2003
    Posts
    1,166
    Usually easy to spot on glass doors, but not most display cases.
    Airflow with the Alnor is not always a good indicator, seen cases (island freezers) where the ice buildup is after the coil in the dicharge plenum and the air velocity looks good until completely blocked off. Then plllllllllllllllllhhhhhhhhhhhhhhhhhhhh!
    Watts New, Ohm My, I been Electrically Commutated. Are U2.

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