... :air intake fan: DDF-4.5AL1, with air volume 24000m3/h total, 7.5kw/set, 1setone set automatic damper,10N actuatorAir ... outlet fan:DDF-4.5AL1, with air volume 24000m3/h total, 7.5kw/set, 1set Generator:Slid upward side intake ... heat exchanger, RIELLO G20 diesel burner, heating capacity is 180000kcal/h, electric damper from spray to bake, oil consumption 4~6L/set ...