US Army, Technical Manual, TM 5-4120-270-15, AIR CONDITIONER, COMPACT VERTICAL, 208 V, 3 PHASE, 60,000 BTUH COOLING, 49,000 BTUH HEATING, (TRANE MODELS), 50/60 CYCLE-MODEL MAC6V60-360-20, (NSN 4120-00-935-5416), AND 400 CYCLE MODEL MAC4V60-360-3, (4120-00-935-5417), military manuals