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Old 06-10-2003, 11:37 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,768
Sounds low on refrigerant to me..
You are not getting low fan b/c the trip pressure on that is 20 bar [ 290 psi].. high side
At 80 ambient , you should be close to fan trip..and you know fan circuit is healthy when you jumpered the high pressure sw.
Check the eye site on the reciever/drier... slightly low freon will result in some cooling , but not enough for higher ambient temp and high side will not get to fan trip pressures...
One of the first indicators /complaints of low freon is no aux fan
and some cooling..the fan circuit gets the blame , when in reality it is a low freon charge that is not allowing system to reach the fan trip spec....
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