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Type: Posts; User: Refugio

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  1. Thread: Metasys Comm

    by Refugio
    Replies
    1
    Views
    646

    Metasys Comm

    Excuse me if my english is not pretty clear...
    we have in mi job yesterday a black out and now...I turn on the metasys
    program cause the pc went out with the black out...
    but i noticed that there...
  2. Replies
    10
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    1,170

    This rooftop does not use Klixon It is sending...

    This rooftop does not use Klixon
    It is sending a signal of 24 volts from a relay call K4 till a Contactor which is activating the second cond motor but the contactor is ok and there´s ever voltage...
  3. Replies
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    1,170

    I have some units YCD and TCD and they have the...

    I have some units YCD and TCD and they have the second condensor fan off and the first one with a fan cycling control.. I have in this particular unit low head but It seems that the problem should...
  4. Replies
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    1,170

    I´ll change the OAT sensor and see what result...

    I´ll change the OAT sensor and see what result but i cooled this sensor before and turned the compressors off before that stopped the fan that i think that should be control thru the K4 relay...
  5. Replies
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    1,170

    Thank you I´d seen in the manual but i got...

    Thank you
    I´d seen in the manual but i got problems with icing in the evaporators and I saw at the morning that this particular rooftop unit at 10°C or so.. it has that condenser fan motor working...
  6. Replies
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    1,170

    Trane RTU second stage cycle

    I want that somebody explain me....
    how a trane rooftop like YCD241....controls into the second stage the fan cycling..is output voltage travels thru the K4 from the relliatel to a contactor
    where...
  7. Replies
    11
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    2,295

    what´s the recommendation for a trane rooftop...

    what´s the recommendation for a trane rooftop unit to be recycling a fan motor
    is it 95 / 65
  8. Replies
    11
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    1,427

    Thanks I´ll do it like that

    Thanks
    I´ll do it like that
  9. Replies
    11
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    1,427

    Thank you I guess that´s the better way.

    Thank you
    I guess that´s the better way.
  10. Replies
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    1,427

    the air stream leaving the dryer is too high i...

    the air stream leaving the dryer is too high i got an alarm coming from that point
    the pressure seems to be ok, the air is coming from a compressor, the whole
    system feeds actuators, air guns and...
  11. Replies
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    1,427

    Refrigerated air dryer

    I need to know what´s going on into a Hankinson Dryer
    its boiling point is 38 °F with R-134a I set the low pressure as what is said in the datasheet (31 psig) but the air temperature is out of...
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