Originally Posted by
coolhibby1875
:eek: firstly i believe what you have posted is correct, and i dont doubt any of it, however its getting far to scientific for the likes of me to understand:o, but to get back to the question posted, NEGITIVE SUPERHEAT! if your evaporator is -22 degrees c and your suction is - 28 degrees c that is acording to all my paperwork a negitive superheat, now normally when you come across this out in the field, this is not a good thing, and normally results in liquid floodback to the plant, i have dug out some docs on my pc and elm and rdm recommend a 6 degrees + superheat for optimum performance of the evaporator, and danfoss recommend a 4 degrees + superheat, sorry if i have forgot to use a capital k instaed of lower case, but being from scotland,english grammer is wasted on the likes of me, i know what i am trying to say in my head but after a 6 pack of tyskie , what my fingers are saying is completly diff:D