A/C 1-2 ON 1520 HLPS. ~~~~~ A/C 1-2 ON 1520 HLPS.  1520 A/c 1-2 FC 519 (AC 1-2 HLPS) #1520 AC 1-2 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.  Daniel/Redzwan 30.04.2024 BSD: Require to c/o 1520 AHU-1