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Outdoor Cabinet Air Conditioner for Telecom Equipment
This air conditioner is engineered for outdoor telecom cabinets, providing forced cooling to maintain internal component temperatures within operational limits. The unit operates across an ambient temperature range of -40°C to +55°C and delivers 1500W of cooling capacity at 35°C ambient. It uses R134a refrigerant and features a sealed rotary compressor with IP55-rated protection against dust and water ingress. The system includes an integrated controller with Modbus RTU communication, allowing remote monitoring of temperature, fan speed, and fault alerts. The condenser coil is coated with corrosion-resistant material to withstand coastal or industrial environments. Power input is 230V AC, 50/60Hz, with a maximum current draw of 6.2A. The cabinet dimensions are 800mm (H) × 600mm (W) × 300mm (D), and the total weight is 42kg.
Core Advantages
- Cooling capacity verified at 35°C ambient, 1500W nominal, with derating curve provided for high-temperature operation up to 55°C.
- IP55 enclosure rating for both indoor and outdoor installation, protecting internal electronics against rain, salt spray, and airborne particulates.
- Modbus RTU interface enables integration with site monitoring systems, providing real-time status and predictive maintenance alerts.
- Compressor uses R134a refrigerant with GWP=1430, compliant with current EU F-gas regulations and EPA SNAP requirements.
- Dual-fan design with independently controlled condenser and evaporator fans, optimizing energy consumption under partial load.
Product Features
Cooling Circuit Rotary compressor, aluminum microchannel condenser, copper tube-aluminum fin evaporator. Expansion valve type: capillary tube with filter drier.
Control & Monitoring Microprocessor controller with LCD display (optional). Parameters: setpoint 15–45°C, differential 2–5°C, fan rotation speed, alarm history.
Electrical Protection Over-voltage, under-voltage, phase loss, and compressor overcurrent protection. Built-in surge arrester (Type 2) for outdoor installations.
Mechanical Construction Galvanized steel casing with electrostatic powder coating (thickness ≥ 80µm). Stainless steel fasteners. Drainage ports with anti-siphon design.
Refrigerant & Oil R134a, charge 850g. POE oil (ISO VG 32) pre-charged in compressor. Service ports with Schrader valves for maintenance.
Certification CE marked (LVD 2014/35/EU, EMC 2014/30/EU). Complies with EN 60335-2-40 and EN 55014-1. RoHS 2 compliant.
Application Scenarios
- Telecom base stations (BTS, NodeB, eNodeB) – outdoor cabinets housing RF amplifiers, power supplies, and backhaul switches.
- Edge computing nodes – compact data processing units deployed in non-climate-controlled environments.
- Municipal surveillance systems – equipment shelters for traffic monitoring and public safety networks.
- Industrial control cabinets – PLC and I/O modules located in factory yards or remote pumping stations.
Technical Specifications
| Parameter | Value |
|---|---|
| Cooling capacity (35°C ambient) | 1500 W ± 5% |
| Operating temperature range | -40 °C ~ +55 °C |
| Power supply | 230 V AC, 50/60 Hz, single phase |
| Rated current | 6.2 A (max. 8.5 A locked rotor) |
| Refrigerant / charge | R134a / 850 g |
| Enclosure rating | IP55 (per IEC 60529) |
| Sound pressure level (1m) | 58 dB(A) @ 25°C |
| Dimensions (H × W × D) | 800 × 600 × 300 mm |
| Weight | 42 kg |
| Communication | Modbus RTU (RS-485), baud rate 9600/19200 |
Frequently Asked Questions
Q: What is the minimum ambient temperature for startup?
The unit includes a crankcase heater and low-ambient start kit; it can start reliably down to -40°C. The controller delays compressor start for 3 minutes after power-on to equalize refrigerant pressure.
Q: How often should the air filter be cleaned?
For outdoor installations in dusty areas, inspect the evaporator air filter every 500 operating hours. Wash with mild detergent and water, dry completely before reinserting. Replace the filter after 3 cleanings or when visibly damaged.
Q: Can the unit be mounted on a wall or pole?
Yes. The cabinet includes mounting flanges for wall or pole mounting using M10 bolts. For pole mounting, use the optional pole-mount bracket kit (part no. BRK-800P). Ensure the unit is level within ±3° to allow proper condensate drainage.
Q: What is the recommended maintenance interval for the refrigeration circuit?
Annually: check refrigerant charge via sight glass and pressure gauges. Inspect all brazed joints and service ports for leaks using an electronic leak detector. The compressor oil should be replaced every 5 years or after 20,000 running hours, whichever occurs first.
Q: Does the unit support remote shutdown or alarm output?
Yes. The controller provides a dry contact alarm output (SPDT relay, 1A/30V DC) for remote fault indication. Modbus register 0x0100 supports remote on/off control. The alarm log stores the last 20 events with time stamps.
Installation & Operation Notes
- Maintain a minimum clearance of 300 mm on the condenser air inlet side and 500 mm on the discharge side to ensure adequate airflow.
- Use copper conductors for power wiring, cross-section ≥ 2.5 mm². Grounding resistance must be ≤ 4 Ω.
- Do not install the unit in areas with direct exposure to flammable gases, steam, or oil mist.
- During winter operation, the unit automatically switches to low-fan speed mode to prevent evaporator freezing; verify that the low-ambient sensor is securely attached to the evaporator outlet pipe.
- For first-time commissioning, allow the compressor to run for 10 minutes before checking superheat and subcooling values. Adjust the expansion valve if superheat exceeds 8 K.
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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 Cabinet Air Conditioner For Telecom Equipment Manufacturers and Custom Outdoor Cabinet Air Conditioner For Telecom Equipment 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
