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21KW Thermal Management Air Conditioner for BESS | Industrial Backpack HVAC for Energy Storage Cabinets

The 21KW Thermal Management Air Conditioner for BESS is a high-performance industrial cooling solution designed for energy storage cabinets and outdoor battery systems. Featuring a compact backpack design, it integrates cooling, heating, and dehumidification to ensure stable operation in harsh environments from -30°C to +45°C. With powerful airflow, intelligent RS485 monitoring, and IP55 protection, this unit delivers reliable and efficient thermal management for modern battery energy storage applications.
  • A60NA

  • Cytech

  • IP 55, NEMA 4X

  • Wall Mount

  • 21000W/71672BTU

Availability:
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Product Description

Product Overview of 21kW Thermal Management Air Conditioner for BESS


The 21KW BESS air conditioner is specifically engineered for battery energy storage system cabinets, power shelters, and outdoor electrical enclosures. It provides a reliable thermal management solution to maintain optimal temperature conditions, ensuring the safe and efficient operation of batteries and critical electronic components.


Designed as an industrial backpack air conditioner, this unit combines high-capacity cooling with integrated heating and dehumidification functions. Its closed-loop cooling system, robust IP55 protection, and intelligent monitoring capabilities make it ideal for demanding outdoor environments, delivering long-term stability and reduced maintenance for energy storage systems.



Key Technical Features of Industrial BESS Air Conditioner


◇High-Efficiency Cooling System

Rotary compressor with R410A refrigerant for stable and energy-saving performance


◇Powerful Air Circulation

Up to 6000 m³/h airflow for efficient heat dissipation


◇Integrated PTC Heating Function (9kW)

Ensures reliable operation in low-temperature environments


◇Smart Monitoring (RS485 Interface)

Enables remote control and real-time system integration


◇IP55 Protection Design

Suitable for outdoor and harsh environmental conditions



Technical Specification 


Product Name

Thermal Management Air Conditioner

Model

A60NA

Rated voltage

3 Phase AC 380V±15%

Rated Frequency

50HZ±2%

Cooling capacity

21KW@L24/L35

Power consumption

8.5KW@L24/L35

Internal circulation air volume

6000m³/h

Refrigerant

R410a

Heater(PTC)

9kw

Working temperature

-30℃~+45℃

Max Noise Level

72dB(A)

IP Grade

IP55

Net Weight

210kg



Thermal Cycle and Air Flowing


In this 21kW thermal management air conditioner for BESS, the refrigerant absorbs heat from the air inside the energy storage cabinet through the evaporator, cooling the internal environment.


The heat is then transferred to the outside via the condenser after compression, forming a continuous cycle that ensures efficient heat dissipation and stable temperature control for the battery energy storage system (BESS).


Thermal Management Air Conditioner Cooling Princple


Thermal Management Air Conditioner of Outline Drawing


Thermal Management Air Conditioner of Outline Drawing


Installation of thermal management air conditioner 


installation of thermal management air conditioner for BESS cabinet backpack HVAC system


Electrical Wiring Diagram


electrical wiring diagram of 21kW BESS air conditioner

Options

More Optionals of Wall Mounted Thermal Management Air Conditioner for BESS


Model

Voltage

Rated Frequency

Cooling capacity (rated)(W)

Power consumption(W)

Internal circulation air volume(m³/h)

Refrigerant

CY-A30NAB

3 Phase AC 380V±15%

50HZ±2%

10500

4500

3000

R407C

CY-A50NAB

3 Phase AC 380V±15%

50HZ±2%

17500

7500

4000

R407C

CY-A60NAB 3 Phase AC 380V±15% 50HZ±2% 21000 8500
6000 R410C

CY-A100NAB

3 Phase AC 440V±15%

60HZ±2%

35000

18000

12000

R410C


Application

  • Battery Energy Storage System (BESS) cabinets

  • Outdoor energy storage enclosures and containers

  • Power distribution and electrical control cabinets

  • Telecom base station cabinets

  • Solar + battery energy storage systems

Suitable for industrial HVAC applications in energy storage systems


Advantages&Why?

Why Choose Our BESS Thermal Management Air Conditioner Solutions?


◇Expertise in Energy Storage Cooling

Specialized in thermal management solutions for BESS, telecom, and outdoor cabinets


◇Reliable Operation in Harsh Environments

Designed for stable performance under extreme temperatures and outdoor conditions


◇Complete Thermal Management Solution

Integrated cooling, heating, and environmental control in one system


◇Flexible Customization Capability

Supports different capacities and project-specific configurations


◇Industrial-Grade Quality

Built with durable components for long-term continuous operation


◇Smart Monitoring & Integration

RS485 communication supports remote management and system integration


◇Proven Application Experience

Widely used in energy storage, telecom, and power infrastructure projects


We provide not just products, but reliable thermal management solutions for modern energy storage systems




Comply with CE  IP55  IP65  ISO Certificate


CE IP55 IP65 certificate




Ready to upgrade your thermal management air conditioner ?


Our engineering team can recommend the right model based on:

  • Cabinet size

  • Heat load

  • Installation method

  • Environment

  • Voltage requirements


Contact us for datasheets, drawings, pricing, or OEM/ODM solutions.


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