The Winnex Air rooftop explosion-proof air conditioner is designed and manufactured in strict accordance with ATEX Directive 2014/34/EU and the EN 60079 series, and holds an explosion-proof certificate issued by an authorized explosion-proof electrical product inspection body. Explosion-proof marking: Ex db ib mb IIC T4 Gb. The unit serves explosive hazardous locations in the petroleum, chemical, electric power, military and pharmaceutical industries, suitable for Zone 1 and Zone 2 areas where explosive atmospheres formed by Group ⅡA, ⅡB, ⅡC flammable gases or vapours and temperature classes T1–T4 mixed with air may exist. Engineered specifically for outdoor rooftop duty, the unit requires no dedicated machine room and occupies no indoor floor area, making it a rooftop explosion-proof air conditioning solution for centralized air treatment in hazardous-area plants, process units and supporting workshops.