1531 A/C 2-1 and 2531 A/C 1-2 having coo ~~~~~ 1531 A/C 2-1 and 2531 A/C 1-2 having coolant fault during DT check.  1531 A/C 2-1 and 2531 A/C 1-2 having coolant fault. Vacuum & charged 2kg & 6.8kg of freon respectively. LP = 35 psi, HP = 110 psi. Function check both A/c cut in/out operation - OK. Temp. 24'C - 25'C. Monitor for 2 hrs - OK.  Sarma 44439