ATEX & IECEx Explosion-Proof Air Conditioner BKF-71/220 (24,000 BTU / 60Hz)

The BKF-71/220 (60Hz) is a heavy-duty, wall-mounted explosion-proof split air conditioning system specifically engineered to deliver reliable, high-capacity cooling in demanding hazardous environments. Certified under ATEX and IECEx standards, this system is rated for Zone 1, Zone 2, Zone 21, and Zone 22 gas and dust atmospheres, protecting against explosive Gas Group IIC and Dust Group IIIC conditions. It provides essential thermal regulation for control rooms, offshore shelters, and electrical enclosures across the oil & gas and petrochemical sectors.

Operating on a 220V / 60Hz power supply with a 24,000 BTU (7,000W) cooling capacity, the BKF-71/220 performs continuously across ambient temperature extremes ranging from -7°C to +55°C. This specific configuration features an Ex-certified indoor evaporator unit paired with a non-certified outdoor condenser unit intended for placement in safe areas. Built with eco-friendly R410a refrigerant compatibility, an IP66 flameproof control enclosure, and low indoor noise operation (44 dB), it delivers high performance and safety in industrial field installations.

Key Features:

✅ ATEX & IECEx Certified Indoor Unit (Gas Group IIC, Dust Group IIIC T4 Gb / IP66)
✅ Industrial 220V / 60Hz power supply configuration
✅ Heavy-duty IP66 ingress protection on flameproof control enclosure
✅ High-performance cooling: 24,000 BTU (7,000W) for spaces up to 37 m²
✅ Extended ambient operating temperature range from -7°C to +55°C
✅ Comprehensive protection concept (Ex d e ib mb px IIC T4 Gb)
✅ Designed for eco-friendly R410a refrigerant with durable brass connections
✅ Quiet operation with indoor unit sound level at only 44 dB
✅ Ex-certified indoor unit paired with safe-area outdoor condenser placement

📦 Package Options:

🔹 BKF-71/220 (60Hz) - Indoor Certified / Outdoor Non-Certified: Standard split configuration for hazardous indoor room with safe-area outdoor unit (Part No. 140_01_11)

ATEX & IECEx Explosion-Proof Air Conditioner BKF-71/220 (24,000 BTU / 60Hz) Technical Specifications:

Feature	Details
Model	BKF-71/220 (60Hz)
Product Code / Reference	140_01_11 / AC7E0S1ITA-R410
Certifications	ATEX + IECEx
Gas Protection Marking (Indoor)	EX II 2G Ex d e ib mb px IIC T4 Gb (Zone 1, Zone 2)
Dust Protection Marking (Indoor)	EX II 2D Ex ib tb pD IIIC T130°C Db IP66 (Zone 21, Zone 22)
Gas Group / Classification	IIC
Indoor Unit Status	ATEX / IECEx Certified
Outdoor Unit Status	Non-Certified (Safe-Area Placement)
Cooling Capacity (BTU)	24,000 BTU
Cooling Capacity (Watts)	7,000 W (7.0 kW)
Power Supply	220V / 60Hz
Ambient Operating Temperature	-7°C to +55°C
Refrigerant	Liquid R410a (not supplied)
Ingress Protection (Control Box)	IP66
Recommended Area Coverage	22 m² – 37 m²
Indoor Unit Noise Level	44 dB
Outdoor Unit Noise Level	55 dB
Indoor Unit Dimensions (L x W x H)	1100 x 358 x 294 mm
Outdoor Unit Dimensions (L x W x H)	1450 x 900 x 700 mm
Control Box Dimensions (L x W x H)	690 x 430 x 211 mm
Indoor Unit Weight	25 kg (55 lbs)
Outdoor Unit Weight	148 kg (326 lbs)
Control Box Weight	30 kg (66 lbs)
Customs Code (HS)	8415102210

Certifications & Compliance:

🔗 ATEX / IECEx Gas Certification – EX II 2G Ex d e ib mb px IIC T4 Gb (Zone 1 & 2 atmospheres)
🔗 ATEX / IECEx Dust Certification – EX II 2D Ex ib tb pD IIIC T130°C Db IP66 (Zone 21 & 22 atmospheres)
🔗 Ambient Temperature Rating – Reliable continuous operation from -7°C to +55°C
🔗 Ingress Protection – IP66 rating for control box weather and dust protection
🔗 Download Datasheet

Applications of ATEX & IECEx Explosion-Proof Air Conditioner BKF-71/220 (24,000 BTU / 60Hz):

🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Labs
🔹 Manufacturing

What’s in the Box?

📦 1x BKF-71 Certified Indoor Wall-Mount Unit
📦 1x Outdoor Condenser Unit (Non-Certified)
📦 1x BZC Explosion-Proof Control Box
📦 1x Remote Controller
📦 1x Interconnecting Cable Kit & Brass Piping Fittings
📦 1x Installation & Operating Manual
📦 1x ATEX / IECEx Certification & Compliance Documentation Kit

Ordering & Shipping Details

📦 Lead Time: 4 - 5  Weeks
📍 Shipping Terms: Worldwide Freight / Expedited Shipping Available
💳 Payment Options: Credit Card, PayPal, Net 30 Terms

Related Products:

🔗 BKF-50/220 Explosion-Proof Air Conditioner (18,000 BTU / 5,000W)
🔗 BKFR-71/220 Reversible Heat-Pump Explosion-Proof Air Conditioner
🔗 BZC ATEX Explosion-Proof Control Box Assembly

FAQs:

Where must the outdoor unit of part number 140_01_11 be installed?
For this specific reference (140_01_11), the indoor unit and control box are Ex-certified for hazardous zones, but the outdoor unit is non-certified and must be installed outside the hazardous area boundary in a safe location.

What explosion protection marking applies to the certified indoor assembly?
The certified components carry EX II 2G Ex d e ib mb px IIC T4 Gb for explosive gas atmospheres and EX II 2D Ex ib tb pD IIIC T130°C Db IP66 for combustible dust environments.

Is the R410a refrigerant pre-charged in the system?
No, liquid R410a refrigerant is not pre-filled due to international transport safety regulations. The system must be charged on-site by a licensed HVAC technician during installation.

What power grid frequency is this unit rated for?
This specific model unit is configured for 220V at 60Hz power supply networks.