Quote:
Originally Posted by Hooligan2
Sweetbriar- I understand the 20 deg drop is a moving target. 20 degrees below the input air which is the air inside the RV returning to the AC unit.- not outside airtemp.
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It's a a general indicator and not a hard number. Measure air temp at the closest return and discharge vents to the unit using the same thermostat. Depending on both the exterior/interior humidity and temperatures a couple of degrees of change up or down isn't out of the ordinary. Call it +/- 5 degrees.
Excessively cold discharge air isn't the best measure of system performance either. A balance system will both condition (pull the humidity out) and cool the coach. If the A/C is too cold you'll get the cooling but not the conditioning and the coach turns into a cave, cold and damp.
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