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HA-30 < ON-VEHICLE MAINTENANCE > REFRIGERATION SYSTEM Ambient Air Temperature-to-operating Pressure Table Refrigerant Leakages INFOID:0000000001675629 Perform a visual inspection of all refrigeration parts, fittings, hoses and components for signs of A/C lubricant CAUTION: Moving the electrical leak detector probe slower and closer to the suspected leakage area improves 60 - 70 20 (68) 7.9 - 9.4 (46 - 49) 25 (77) 12.8 - 14.9 (55 - 59) 30 (86) 17.6 - 20.3 (64 - 69) 35 (95) 22.3 - 25.7 (72 - 78) Ambient air High-pressure (Discharge side) kPa (kg/cm 2 , psi) Low-pressure (Suction side) kPa (kg/cm 2 , psi) Relative humidity % Air temperature ° C ( ° F) 50 - 70 20 (68) 768 - 940 (7.8 - 9.6, 111.4 - 136.3) 180 - 220 (1.8 - 2.2, 26.1 - 31.9) 25 (77) 925 - 1,131 (9.4 - 11.5, 134.1 - 164.0) 218 - 267 (2.2 - 2.7, 31.6 - 38.7) 30 (86) 1,082 - 1,322 (11.0 - 13.5, 156.9 - 191.7) 258 - 314 (2.6 - 3.2, 37.4 - 45.5) 35 (95) 1,238 - 1,513 (12.6 - 15.4, 179.5 - 219.4) 296 - 362 (3.0 - 3.7, 42.9 - 52.5) 40 (104) 1,395 - 1,704 (14.2 - 17.4, 202.3 - 247.1) 335 - 408 (3.4 - 4.2, 48.6 - 59.2) Inside air (Recirculating air) at blower assembly inlet Discharge air temperature at center ventilator ° C ( ° F) Relative humidity % Air temperature ° C ( ° F) |