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![CNWINNEX Atex Certified Rooftop Packaged Explosion-Proof Air Conditioning Unit | Full Zone1/2/21/22 Coverage, Safe Central Cooling for Large Hazardous Plants]( "CNWINNEX Atex Certified Rooftop Packaged Explosion-Proof Air Conditioning Unit | Full Zone1/2/21/22 Coverage, Safe Central Cooling for Large Hazardous Plants")
CNWINNEX Atex Certified Rooftop Packaged Explosion-Proof Air Conditioning Unit | Full Zone1/2/21/22 Coverage, Safe Central Cooling for Large Hazardous PlantsCNWINNEX ATEX rooftop explosion-proof AC unit for Zone 1/2/21/22 hazardous plants, delivering safe centralized cooling with space-saving design.![CNWINNEX Wall-Mounted ATEX Explosion Proof AC | Universal for Zone1/2/21/22, Safe Cooling for Compact Hazardous Rooms]( "CNWINNEX Wall-Mounted ATEX Explosion Proof AC | Universal for Zone1/2/21/22, Safe Cooling for Compact Hazardous Rooms")
CNWINNEX Wall-Mounted ATEX Explosion Proof AC | Universal for Zone1/2/21/22, Safe Cooling for Compact Hazardous RoomsCNWINNEX Wall-Mounted ATEX Certified Explosion Proof Split Air Conditioner
Full ATEX certification for Gas Zone 1 & Zone 2, Dust Zone 21 & Zone 22
Compact climate control solution for hazardous control rooms, analyzer cabins & chemical operation shelters
Standard air conditioners are prohibited in flammable industrial zones, as electric sparks and overheated surfaces can ignite volatile vapors and combustible dust. CNWINNEX wall-mounted explosion proof air conditioners fully comply with EU ATEX Directive 2014/34/EU, adopting combined flameproof & intrinsically safe protection architecture. All electrical components are hermetically modified to eliminate potential ignition sources completely.
The split wall-mounted design saves floor space with flexible installation and easy maintenance. Cooling only & heat pump dual versions available for non-stop 24/7 industrial operation, fully compliant for overseas high-risk projects including petrochemical, pharmaceutical, powder manufacturing,![CNWINNEX ATEX Certified Explosion Proof Air Conditioner]( "CNWINNEX ATEX Certified Explosion Proof Air Conditioner")
CNWINNEX ATEX Certified Explosion Proof Air ConditionerFull hazardous area temperature control solution, certified for Gas Zone 1 & Zone 2, Dust Zone 21 & Zone 22
CNWINNEX explosion proof air conditioners are fully ATEX certified in accordance with EU Directive 2014/34/EU and relevant EN standards, custom-engineered for high-risk flammable & explosive industrial environments.![What Is ATEX-Certified Explosion-Proof Air Conditioning? Zone Classification & Industrial Compliance Guide]( "What Is ATEX-Certified Explosion-Proof Air Conditioning? Zone Classification & Industrial Compliance Guide")
What Is ATEX-Certified Explosion-Proof Air Conditioning? Zone Classification & Industrial Compliance GuideFor oil & gas refineries, fine chemical workshops, grain powder processing plants, lithium battery warehouses and offshore marine facilities, ambient temperature control is not only a comfort requirement, but a core safety compliance obligation. Conventional commercial air conditioners are banned in classified explosive atmospheres across the EU and global regulated industrial sites. This article breaks down the definition, hazard mechanisms, zone matching standards and core advantages of CNWINNEX ATEX-certified explosion-proof air conditioners, helping EPC contractors and plant operators avoid regulatory penalties and onsite explosion risks.![CNWINNEX Atex Certified Rooftop Explosion-Proof Air Conditioning Unit]( "CNWINNEX Atex Certified Rooftop Explosion-Proof Air Conditioning Unit")
CNWINNEX Atex Certified Rooftop Explosion-Proof Air Conditioning UnitThe CNWINNEX Atex Certified Rooftop Explosion-Proof Air Conditioning Unit is designed and manufactured in strict accordance with ATEX Directive 2014/34/EU, fully ATEX-certified, and compliant with core explosion-proof standards including EN IEC60079-0+AC2020, EN 60079-1:2014, EN60079-2015+A1:2017, EN 60079-11:2012, and EN 60079-31:2014. It delivers an extremely safe, stable, and reliable temperature control solution for Zone 1 and Zone 2 explosive atmospheres.![Classification of Hazardous Area & Explosive Atmospheres]( "Classification of Hazardous Area & Explosive Atmospheres")
Classification of Hazardous Area & Explosive AtmospheresClassification of Hazardous Area
Classification of Equipment for Explosive Atmospheres![CNWINNEX Explosion-Proof Air Conditioning: Building a Safety Line for Hazardous Environments]( "CNWINNEX Explosion-Proof Air Conditioning: Building a Safety Line for Hazardous Environments")
CNWINNEX Explosion-Proof Air Conditioning: Building a Safety Line for Hazardous EnvironmentsIn the HVAC industry, industrial cooling systems come with a wide range of technical descriptors. Terms like “dust ignition-proof,” “intrinsically safe,” and “purged” are common—and can sometimes make it difficult to determine what your specific application truly requires. Among these, “explosion-proof” stands out as one of the most critical, yet often misunderstood, characteristics.
So, what does explosion-proof air conditioning actually mean? When is it necessary? And does your facility need it? As a brand specializing in specialty climate control solutions, CNWINNEX is here to provide clear answers and help you understand the core value behind explosion-proof HVAC technology.![Safeguard the Data Lifeline | Atex Certified CNWINNEX Explosion-Proof Precision Air Conditioner, Build a Solid Security Barrier for Data Centers]( "Safeguard the Data Lifeline | Atex Certified CNWINNEX Explosion-Proof Precision Air Conditioner, Build a Solid Security Barrier for Data Centers")
Safeguard the Data Lifeline | Atex Certified CNWINNEX Explosion-Proof Precision Air Conditioner, Build a Solid Security Barrier for Data CentersAs digitalization sweeps across the globe, data centers have become the core heart of enterprise operation. Nevertheless, the continuous high-load operation of precision equipment brings severe challenges to heat dissipation and safety. Especially for data centers deployed in high-risk environments such as petrochemical, mining and military industries, a single spark or subtle temperature deviation may lead to irreversible losses. Tailored for high-risk data centers, Atex Certified CNWINNEX explosion-proof precision air conditioners delivering extreme temperature control and robust explosion-proof technology to ensure efficient and secure data operation.
CNWINNEX Atex Certified Rooftop Packaged Explosion-Proof Air Conditioning Unit
All-in-one rooftop integrated unit with dual ATEX II 2G / II 2D certification, fully compliant for Gas Zone 1 & Zone 2, Combustible Dust Zone 21 & Zone 22
Centralized climate control solution for large hazardous workshops, chemical storage, offshore modular living quarters & bulk explosion-proof production facilities
Conventional split AC occupies valuable floor space with messy pipeline layout, failing to deliver unified temperature control for large high-risk factories. CNWINNEX packaged rooftop explosion-proof air conditioner integrates cooling, heating, air supply and full explosion-proof electrical system into one monoblock unit, directly mounted on roof without separated indoor/outdoor piping, maximizing usable indoor space.
Fully compliant with EU ATEX Directive 2014/34/EU, the unit adopts triple combined protection: flameproof, intrinsically safe & encapsulation structure. Compressors, fans, control boards and all terminal blocks undergo full explosion-proof sealing modification to completely eliminate ignition risks from electric arcs and overheated surfaces.
Designed for non-stop 24/7 industrial operation, wide cooling capacity range for small to large workshops. Optional fresh air intake, filtration & dehumidification modules available, widely deployed in petrochemical plants, powder processing workshops, lithium battery factories, offshore platforms and fine chemical facilities, fully meeting EU hazardous area regulatory compliance requirements.
Core Advantages
Dual Full ATEX Certification for All Four Hazardous Zones
Complete ATEX certificate issued by EU Notified Body, marked II 2G for Gas Zone1/2 & II 2D for Dust Zone21/22. Compatible with IIA/IIB/IIC hydrogen-class gas groups and T1~T4 temperature classes. Suitable for mixed environments with hydrocarbon vapor and lithium/starch combustible dust, passing compliance inspection for global EPC projects.
All-In-One Rooftop Layout, No Complex Split Piping
Integrated refrigeration, explosion-proof electrics and air duct in single cabinet, installed wholly on roof with only supply/return air openings indoors. Cut massive cost on explosion-proof refrigerant piping & cabling, shorten construction timeline, eliminate exposed pipelines and gas penetration risks inside workshops.
Triple-Layer Combined Explosion Protection, Zero Ignition Hazards
Thick cast aluminum flameproof enclosures for core electric components to contain internal explosion without flame leakage;
Intrinsically safe control circuits limiting arc ignition energy;
Encapsulated motors & junction boxes blocking gas/dust infiltration;
Strict surface temperature control under T4 limit to avoid spontaneous combustion.
Wide Capacity Range for Centralized Cooling of Large Hazardous Buildings
Multiple cooling tonnages available for workshops from hundreds to thousands square meters. High-airflow even air distribution with temperature fluctuation ≤±2℃. Optional heat pump heating, electric auxiliary heat, fresh air filtration & dehumidification modules to realize temperature control, ventilation and dust purification in one unit.
Heavy-Duty Corrosion-Resistant Construction for Harsh Outdoor Conditions
Epoxy anti-corrosion coating on unit cabinet, protected condenser coils as standard; full 304 stainless steel version optional for offshore salt fog & acid chemical vapor environments. Wide voltage 220V/380V 50/60Hz, stable startup under ambient temperature -20℃ ~ +55℃.
Intelligent Centralized Control & Low Maintenance Cost
Industrial-grade explosion-proof microcontroller with self-diagnosis, high/low pressure, phase loss & overload multi-protection. RS485 communication port reserved to connect plant DCS system for remote cluster monitoring. Modular disassembly design enables all maintenance on rooftop without occupying production space.
Compliance Standards
ATEX Directive: 2014/34/EU
General Requirements: EN IEC60079-0+AC2020
Flameproof Enclosures: EN 60079-1:2014
Material Classification: EN60079-2015+A1:2017
Intrinsic Safety: EN 60079-11:2012
Dust Explosion Protection: EN 60079-31:2014
Hazardous Zone Application Instruction
● Flammable Gas Atmosphere Zone 1 & Zone 2
Zone 1: Persistent & frequent explosive gas mixture under normal operation (chemical reactor rooms, oil & gas pump houses)
Zone 2: Temporary flammable vapor leakage only caused by equipment failure (tank peripheries, pipeline racks)
CNWINNEX II 2G rooftop units guarantee long-term safe operation.
● Combustible Dust Atmosphere Zone 21 & Zone 22
Zone 21: Periodic suspended dust clouds generated during production (lithium powder blending, grain milling workshops)
Zone 22: Accidental short-duration dust accumulation (powder finished goods storage, packaging areas)
II 2D dust explosion-proof packaged units cover all dust hazardous conditions.
CNWINNEX Rooftop Explosion-Proof Air Conditioning Unit — Built on stringent explosion-proof standards, focused on safety and efficiency, it provides reliable temperature control for high-risk industrial environments worldwide, supporting enterprises in achieving safe production and compliance.
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