Operator, Organizational, Direct Support, General Support, and Depot Maintenance Manual: Air Conditioner, Floor Mounting; Air Cooled; 8 HP, AC, 3 Phase, 400 Cycle; 38,000 BTU, 416 Volt (Fairchild Stratos Model VEA4-3), FSN 4120-690-7869 ... 50,000 BTU, 208 Volt (Fairchild Stratos Model VEA4-3-28029MOD), FSN 4120-225-9752