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Outdoor Enclosure Cooling System For Industrial Cabinets
Heavy-duty thermal management · -40°C to +60°C operation · IP66/NEMA 4X
This cooling system is engineered for outdoor industrial enclosures housing variable frequency drives, programmable logic controllers, and power distribution components. The unit delivers 2400W of sensible cooling at 35°C ambient, utilizing a hermetically sealed scroll compressor with tandem condenser coils for enhanced heat rejection in high-temperature environments.
The system features dual independent refrigeration circuits that provide 50% redundancy. If one circuit fails, the remaining circuit continues to operate at 70% capacity, ensuring critical cabinet components remain within their specified temperature range. The controller includes adaptive defrost logic for operation in sub-zero conditions and supports remote monitoring via industrial protocols.
2400 W Cooling @ 35°C
IP66 NEMA 4X rated
R454B GWP 466 refrigerant
±1°C Temperature stability
Key Capabilities
Dual Circuit Redundancy
Two independent scroll compressors and condenser coils. Automatic failover with capacity modulation. Circuit A and Circuit B alternate as lead/lag every 500 operating hours.
Wide Temperature Operation
Operates continuously from -40°C to +60°C ambient. Integrated crankcase heaters, low-ambient fan speed control, and hot-gas bypass for evaporator pressure regulation.
Industrial Communication
Supports Modbus TCP, PROFINET, and EtherNet/IP. Dual RJ45 ports with switch function for daisy-chain topology. Alarm history stores last 100 events with timestamps.
Corrosion Protection
Stainless steel 316L enclosure with epoxy powder coating (150µm). Condenser fins with electro-deposition coating. All electrical connections potted for moisture exclusion.
Technical Specifications
Electrical & Cooling
Cooling capacity (35°C)2400 W ± 4%
Operating range-40°C ~ +60°C
Power supply400V AC, 3-phase, 50/60Hz
Rated current5.8 A (per phase)
Refrigerant / chargeR454B / 2 × 420 g
Enclosure ratingIP66 / NEMA 4X
Mechanical & Environmental
Sound pressure (1m)62 dB(A) @ 25°C
Evaporator airflow920 m³/h
Condenser airflow1450 m³/h
Dimensions (H × W × D)1200 × 750 × 380 mm
Weight78 kg
CommunicationModbus TCP · PROFINET · EtherNet/IP
Application Scenarios
01
Oil & Gas Facilities - Enclosures housing pump VFDs and control systems in remote wellhead locations with extreme temperature swings.
02
Mining Operations - Dust-laden environments requiring IP66-rated protection and condenser coil designs resistant to particulate accumulation.
03
Water Treatment Plants - Corrosive atmospheres with chlorine and humidity where 316L stainless steel construction provides long-term durability.
04
Renewable Energy Sites - Solar and wind power converter cabinets requiring reliable cooling with dual-circuit redundancy for high availability.
Frequently Asked Questions
Q: What is the advantage of dual refrigeration circuits?
Dual circuits provide N+1 redundancy. If one circuit fails, the other automatically takes over at 70% capacity, preventing cabinet overtemperature while service is arranged. Circuits alternate as lead/lag to ensure equal wear.
Q: How does the unit perform in extremely cold climates?
The system includes crankcase heaters, low-ambient fan speed control, and hot-gas bypass. The controller monitors evaporator pressure and adjusts EEV position to prevent coil freeze-up. Startup is guaranteed down to -40°C.
Q: What communication protocols are supported?
The controller supports Modbus TCP, PROFINET, and EtherNet/IP. The dual RJ45 ports allow daisy-chain connection. All protocol mappings are user-configurable via the integrated web interface.
Q: What is the maintenance schedule?
Condenser coil inspection: every 3 months in dusty environments. Filter cleaning: monthly. Refrigerant check: annually. Compressor oil analysis: every 2 years or 15,000 running hours. All service points are front-accessible.
Q: Can the unit be mounted in different orientations?
The unit is designed for vertical wall mounting only. Horizontal or inverted mounting is not permitted due to compressor oil return and condensate drainage requirements. Optional pedestal mount available.
Q: What overcurrent protection is required?
A 3-pole circuit breaker (16A, C-curve) is recommended. The unit includes internal phase-loss and phase-reversal protection. External surge suppression (Type 1+2) is required for installations in lightning-prone regions.
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ecoProfessional Customization
Tailor-made solutions — from design to manufacturing, for your specific needs
CUSTOM ISO 9001 · CE Certified
Shanghai Soouney Refrigeration Equipment Co., Ltd.
A large-to-medium-sized high-tech enterprise integrating R&D, production and sales. Upholding "integrity, quality, service and innovation" — delivering reliable cooling solutions to the world.
11+
Export Countries
200+
Projects Delivered
19+
Years of Innovation
100%
Client Satisfaction
2007
Engineering Excellence in Refrigeration
Shanghai Soouney was founded with a vision to become a leading force in the refrigeration industry. We are China Outdoor Enclosure Cooling System For Industrial Cabinets Manufacturers and Custom Outdoor Enclosure Cooling System For Industrial Cabinets Suppliers. Today, we are a renowned brand in cabinet air conditioners and industrial chillers, recognised by professionals worldwide.
Rooted in the Chinese market, we provide reliable refrigeration solutions to clients across the globe — from standard products to professional customisation.
From standard products to professional customization — we deliver precision cooling.
R&D Driven
High starting points, stringent standards — continuous innovation
Integrity & Trust
Long-term partnerships built on transparency and after-sales support
Certified Quality
ISO 9001, CE, and industry-specific approvals across all lines
Global Mindset
Serving 40+ countries with tailored refrigeration solutions
"We don't just cool equipment — we build trust, one project at a time."
Why Soouney
Driven by Quality & Innovation
Committed to delivering excellence through continuous improvement and customer-centric solutions.
R&D Focus
High starting points, stringent standards — continuous product improvement
Integrity & Service
Long-term partnerships built on trust, transparency and after-sales support
Global Presence
Rooted in China, serving worldwide with reliable refrigeration solutions
Certified Quality
ISO 9001, CE, and industry-specific approvals for all product lines
