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Does or can an excessive suction like cause a pressure droip?
Correct mi F I'm wrong, but can the excessive suction line cause a pressure drop. I was on a job and measures the LL and SL. Both were in excess of 110 foot. Head seemed to be normal but the suction pressure maintained at about 52 psig with a S/H of 23*..... Condenser is on ground floor and A/H on the second floor set back a way. A Coil is spotless and absolutly no traps amywhere to be found.