3514 AC2-1 HLPS ~~~~~ 3514 AC 2-1 HLPS.  3514 A/c 2-1 FC 618 AC 2-1 HLPS. #3514 AC 2-1 shows symptoms of evap chocking LP/HP : 5/210psi. Purged all freon, Vacuum and charge freon. LP/HP remains the same. Raise OPS 20 to replace AHU.  Anand/Alan 45397 3514 AC 2 AHU C/O