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CS A 350 W A
CHUNSHU COOLING
94400
Name1
Name2
Chunshu packaged wall mounted air conditioner is designed for outdoor shelters, telecom rooms, containerized data centers, electrical rooms, battery energy storage cabins and industrial equipment rooms.
With a full inverter cooling system, BLDC compressor, EC fans and microcomputer control, the unit provides stable, energy-efficient and reliable cooling for mission-critical equipment operating in harsh environments.
Key Highlights
Full inverter design with BLDC compressor and EC fans
Wide ambient operation from -40°C to +55°C
One-piece wall-mounted structure for simple installation
Designed for 24/7 outdoor equipment cooling
Optional heating, dehumidification, RS485/Modbus and anti-corrosion design
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The Chunshu packaged wall mounted air conditioner is an integrated cooling solution designed for equipment cooling applications where reliability, temperature stability and long-term operation are more important than simple comfort cooling.
The unit integrates the compressor, condenser, evaporator, fans, controller, sensors, electrical components and protection logic into one compact wall-mounted package. It can be installed directly on the wall of a shelter, container or equipment room, reducing installation work and shortening commissioning time.
Unlike standard comfort air conditioners, this product is developed for high sensible heat load, continuous operation, outdoor ambient changes and unattended equipment rooms.
It is especially suitable for:
Outdoor telecom shelters
Data center containers
Electrical rooms
Switchgear rooms
Battery energy storage cabins
Power equipment rooms
Industrial control rooms
Outdoor prefabricated equipment shelters
The packaged wall mounted air conditioner adopts a full inverter cooling design. The microcomputer controller, BLDC compressor and EC fans work together to adjust cooling output according to the actual heat load inside the equipment room.
Compared with conventional fixed-speed air conditioners, the inverter system reduces frequent start-stop cycles and allows the unit to operate more smoothly under partial load conditions.
BLDC inverter compressor for variable cooling output
EC fan design for efficient airflow control
Microcomputer processor for intelligent system coordination
Soft start to reduce start-up current impact
Lower mechanical stress on key components
More stable room temperature control
Better energy performance during partial load operation
Suitable for 24/7 mission-critical equipment cooling
For outdoor shelters and equipment rooms, the heat load is not always constant. Solar radiation, internal equipment operation, ambient temperature and site conditions can change throughout the day.
A fixed-speed air conditioner can only operate by switching on and off. This may cause larger temperature fluctuation, higher start-up current and more mechanical stress.
A full inverter air conditioner adjusts compressor speed and fan airflow according to the actual cooling demand, helping improve energy efficiency, temperature stability and long-term reliability.
| Item | Chunshu Full Inverter Packaged AC | Conventional Fixed-Speed AC |
|---|---|---|
| Compressor Control | BLDC inverter compressor, variable speed | Fixed-speed compressor, on/off control |
| Fan Control | EC fan, variable airflow | Standard AC fan, fixed airflow |
| Energy Consumption | Lower during partial load operation | Higher due to frequent start-stop cycles |
| Temperature Stability | More stable and precise | Larger temperature fluctuation |
| Start-Up Current | Soft start, lower electrical impact | High start-up current |
| Mechanical Stress | Lower compressor and fan stress | Higher stress from frequent cycling |
| Equipment Protection | Better for stable equipment operation | Less stable for critical equipment rooms |
| Service Life | Longer expected service life | Shorter under frequent start-stop conditions |
| Application | Outdoor shelters, data center containers, electrical rooms | General comfort cooling or simple rooms |
Start → Full Load Operation → Stop → Restart → Full Load Operation
This operating mode may cause:
Higher energy consumption
Higher start-up current
Larger temperature fluctuation
More compressor stress
Shorter component life under frequent cycling
Soft Start → Variable Speed Operation → Stable Cooling Output → Continuous Adjustment
This operating mode helps achieve:
Lower energy waste
Smoother compressor operation
More stable indoor temperature
Lower mechanical stress
Better long-term reliability
Outdoor equipment rooms may be installed in deserts, coastal areas, cold regions, industrial zones or remote unattended sites. The cooling system must adapt to different climates and protect internal equipment from overheating or temperature instability.
Chunshu packaged wall mounted air conditioner is designed for a wide ambient temperature range from -40°C to +55°C, making it suitable for both high-temperature and low-temperature outdoor applications.
High ambient temperature
Desert and dry hot regions
Coastal and high-humidity environments
Cold outdoor regions
Dusty and industrial areas
Unattended remote sites
Outdoor containerized equipment rooms
Middle East
Australia
Southeast Asia
South America
Africa
Coastal industrial areas
High-temperature mining and oilfield sites
The packaged wall-mounted design integrates the complete refrigeration system and electrical control system into one unit. Compared with split-type systems, it reduces field installation work and avoids long refrigerant piping between indoor and outdoor units.
The customer only needs to prepare the wall opening, fix the air conditioner, connect power supply and signal wiring, and complete the commissioning process.
Integrated one-piece structure
No long refrigerant pipe installation
Simple power and signal wiring
Faster on-site installation
Reduced installation risk
Easier replacement and maintenance
Suitable for prefabricated shelters and containerized systems
Better for project-based batch installation
Step 1: Prepare wall opening and mounting frame
Step 2: Fix the air conditioner on the shelter or container wall
Step 3: Connect power supply, communication cable and drainage
Step 4: Start system commissioning and parameter setting
The unit is equipped with a microcomputer controller to manage compressor operation, fan speed, temperature control, alarm output and protection logic.
The controller helps the system respond to different operating conditions and maintain stable cooling performance for critical equipment.
Temperature control
Compressor speed control
Fan control
Alarm display
Fault diagnosis
High and low pressure protection
Over-temperature protection
Anti-freezing protection
Compressor delay protection
RS485 / Modbus communication optional
Remote monitoring optional
The BLDC compressor is one of the core components of the full inverter cooling system. It allows the air conditioner to adjust cooling output according to actual heat load instead of simply switching on and off.
Variable speed operation
High energy efficiency
Soft start
Lower vibration
Lower start-up current
Better partial-load performance
Suitable for continuous outdoor operation
More stable cooling output
The EC fan provides efficient airflow control with lower power consumption compared with conventional AC fans. It helps improve system efficiency and supports stable air circulation inside equipment rooms.
High efficiency
Variable airflow control
Lower energy consumption
Stable air delivery
Lower operating noise
Better matching with inverter compressor
Suitable for precision equipment cooling
For outdoor mission-critical cooling applications, product reliability must be verified through testing. Chunshu packaged wall mounted air conditioners are tested to confirm cooling performance, system stability, control logic and safety protection before delivery.
Cooling performance test
High ambient operation test
Low ambient operation test
Temperature stability test
Compressor and fan operation test
Controller function test
Electrical safety inspection
Refrigeration system pressure test
Alarm and protection logic test
Continuous running test
Final inspection before shipment
The unit is designed to operate in high-temperature outdoor environments. The cooling system, compressor, fans and controller are tested under high ambient conditions to verify stable operation.
| Test Item | Test Condition | Test Purpose | Result |
|---|---|---|---|
| High Ambient Operation | 45°C ambient | Verify stable cooling operation | Passed |
| High Ambient Operation | 50°C ambient | Check compressor and fan stability | Passed |
| Extreme Ambient Operation | 55°C ambient | Confirm continuous operation capability | Passed |
| Controller Protection Test | High temperature condition | Verify protection and alarm logic | Passed |
The system can also be configured for cold-region applications. Low ambient operation tests help verify start-up logic, heating control, sensor response and protection functions.
| Test Item | Test Condition | Test Purpose | Result |
|---|---|---|---|
| Low Ambient Start-Up | -20°C ambient | Verify system start-up logic | Passed |
| Low Ambient Operation | -30°C ambient | Check controller and fan operation | Passed |
| Extreme Low Ambient Test | -40°C ambient | Verify cold-region adaptability | Passed |
Stable internal temperature is critical for electronic equipment, batteries, telecom devices and power control systems.
The inverter cooling system adjusts output according to real-time heat load, helping reduce temperature fluctuation inside the shelter or container.
Curve 1: Internal temperature with fixed-speed AC
Curve 2: Internal temperature with full inverter AC
Suggested description below the curve:
The full inverter system provides smoother temperature control and avoids large temperature fluctuation caused by frequent start-stop operation. This helps improve the operating stability and service life of internal equipment.
For remote outdoor equipment rooms, the air conditioner may need to operate continuously for long periods. Before shipment, the unit can be tested under continuous running conditions to verify system stability.
Compressor operation stability
Fan operation stability
Refrigerant system performance
Controller response
Alarm and protection logic
Temperature control performance
Electrical safety
建站公司可以在这一部分放真实图片，建议准备以下图片：
Product installed on test chamber
High ambient test chamber photo
Temperature data recording screen
LED touch display / controller screen
Compressor and electrical control inspection
Airflow and cooling performance test
Final factory inspection photo
Packaged unit before shipment
High Ambient Operation Test
Cooling Performance Verification
Temperature Stability Test
Microcomputer Controller Testing
Refrigeration System Inspection
Factory Quality Control Before Shipment
Chunshu packaged wall mounted air conditioner uses reliable components and system design to support demanding outdoor equipment cooling applications.
Coordinates compressor, fan, sensors, alarms and system protection logic for stable operation.
Provides variable-speed cooling output with soft start, high efficiency and lower mechanical stress.
Delivers efficient and stable airflow for equipment room cooling.
Designed for outdoor condenser heat rejection under high ambient conditions.
Provides reliable heat exchange performance for industrial cooling applications.
Supports field operation, parameter setting, alarm display and maintenance checking.
Durable sheet metal structure with outdoor protective coating. Anti-corrosion design can be customized according to project requirements.
The packaged wall mounted air conditioner is widely used in outdoor and industrial applications where electronic equipment must be protected from overheating.
Provides stable cooling for containerized edge data centers, micro data centers and modular IT equipment rooms.
Maintains proper operating temperature for telecom equipment, BTS rooms and communication shelters.
Protects electrical panels, control cabinets, switchgear and power distribution equipment.
Supports thermal management for battery energy storage systems and power conversion equipment.
Provides cooling for automation control rooms, PLC rooms and industrial equipment cabins.
Suitable for outdoor power conversion rooms, substations and prefabricated power equipment cabins.
A normal comfort air conditioner is designed mainly for human comfort. It usually focuses on room temperature and comfort air distribution.
Outdoor equipment cooling is different. Telecom devices, servers, electrical panels and battery systems generate continuous sensible heat and often operate in unattended environments.
For this reason, the cooling system must be designed for:
Continuous 24/7 operation
High sensible heat load
Stable temperature control
Outdoor ambient changes
High temperature resistance
Alarm and protection logic
Remote monitoring
Easy maintenance
Long service life
Chunshu packaged wall mounted air conditioner is developed for equipment cooling, not general comfort cooling.
BLDC compressor and EC fans improve energy efficiency and cooling stability.
Designed for outdoor operation from -40°C to +55°C.
Integrated packaged structure reduces installation complexity and commissioning time.
Microcomputer controller manages cooling, heating, fan operation, alarms and protection logic.
Soft start reduces electrical impact compared with conventional fixed-speed systems.
Variable cooling output helps reduce temperature fluctuation inside equipment rooms.
Optional anti-corrosion design, high ambient configuration and outdoor protective structure are available.
Integrated design and clear control interface make field inspection and maintenance easier.
下面参数表可以根据实际型号再修改。
如果你们后续做 10kW / 15kW / 20kW / 25kW / 30kW 系列，可以继续扩展。
| Item | Specification |
|---|---|
| Product Type | Packaged Wall Mounted Air Conditioner |
| Application | Outdoor shelter, telecom room, data center container, electrical room |
| Cooling System | Full inverter refrigeration system |
| Compressor | BLDC inverter compressor |
| Fan | EC indoor fan / high-temperature outdoor fan |
| Controller | Microcomputer processor |
| Display | LED touch display |
| Ambient Temperature Range | -40°C to +55°C |
| Installation Type | One-piece wall-mounted |
| Power Supply | 220VAC / 380VAC / 460VAC optional |
| Refrigerant | R134a / customized according to model |
| Communication | RS485 / Modbus optional |
| Functions | Cooling, heating, dehumidification optional |
| Protection | High/low pressure, over-temperature, anti-freezing, compressor delay |
| Enclosure | SGCC sheet metal, outdoor coating |
| Color | RAL9003 / RAL7035 optional |
| Anti-Corrosion | Optional for coastal or harsh industrial environments |
Different outdoor projects may have different power supply, climate, installation and communication requirements. Chunshu can provide customized configurations according to project conditions.
Heating function
Dehumidification function
RS485 / Modbus communication
SNMP remote monitoring optional
Dry contact alarm output
Anti-corrosion coating
Coastal protection design
Stainless steel enclosure optional
Custom voltage and frequency
Low ambient kit
High ambient configuration
Special color and enclosure design
Customized airflow direction
Project-based capacity selection
For seaside, offshore, chemical industrial or high-humidity applications, anti-corrosion protection is very important.
Chunshu can provide enhanced anti-corrosion solutions according to site requirements, including protective coating, stainless steel material option and special treatment for heat exchangers and metal parts.
Coastal areas
Offshore platforms
Oil and gas sites
Chemical industrial zones
High-humidity regions
Salt spray environments
Outdoor battery energy storage projects
Before delivery, Chunshu carries out factory inspection and functional testing to ensure that each unit meets project requirements.
Material inspection
Refrigeration system assembly inspection
Electrical wiring inspection
Pressure holding and leak checking
Controller function test
Cooling operation test
Alarm and protection test
Final appearance inspection
Packaging inspection before shipment
Compressor operation
Fan operation
Cooling performance
Electrical safety
Sensor response
Display and controller function
Communication function
Alarm output
Refrigeration system sealing
Noise and vibration inspection
To select the correct packaged wall mounted air conditioner, the following information is recommended:
| Required Information | Purpose |
|---|---|
| Installation location | To check ambient temperature and climate conditions |
| Room or container size | To estimate cooling demand |
| Internal heat load | To select correct cooling capacity |
| Power supply | To confirm voltage and frequency |
| Required temperature range | To define control setting |
| Outdoor ambient temperature | To confirm high or low ambient configuration |
| Communication requirement | To select RS485, Modbus or remote monitoring |
| Anti-corrosion requirement | To choose suitable enclosure and coating |
| Installation method | To confirm wall opening and airflow design |
A packaged wall mounted air conditioner is an integrated cooling unit installed directly on the wall of a shelter, container or equipment room. The compressor, condenser, evaporator, fans and controller are integrated into one unit.
A split AC has separate indoor and outdoor units and usually requires refrigerant piping installation on site. A packaged wall mounted AC is a one-piece unit, which reduces installation work and makes commissioning easier.
The full inverter design allows the compressor and fans to adjust output according to actual heat load. This helps reduce energy consumption, improve temperature stability, reduce start-up current and lower mechanical stress.
Yes. The unit is designed for outdoor applications and can support wide ambient operation up to +55°C, depending on model configuration and project requirements.
Yes. The unit can be configured for low ambient operation down to -40°C. Heating and low ambient control functions can be customized according to project requirements.
Yes. It is suitable for telecom shelters, BTS rooms, communication equipment rooms and outdoor telecom cabinets where stable cooling is required.
Yes. The packaged wall mounted air conditioner can be used for containerized data centers, edge data centers and micro data center shelters.
RS485 / Modbus communication can be provided. SNMP or other remote monitoring options can also be discussed according to project requirements.
Yes. Anti-corrosion coating, stainless steel enclosure and enhanced protection design can be customized for coastal, offshore and harsh industrial environments.
Please provide the installation location, ambient temperature, internal heat load, room size, power supply, required temperature range, communication requirement and anti-corrosion requirement.
Whether your project is an outdoor data center container, telecom shelter, electrical room, battery energy storage cabin or industrial equipment room, Chunshu can help you select a suitable packaged wall mounted cooling solution.
Please share your project information with us, and our team will provide a cooling proposal according to your application.
Application type
Installation country or region
Outdoor ambient temperature
Shelter or container size
Internal heat load
Power supply
Required temperature setting
Communication protocol
Anti-corrosion requirement
Quantity and project schedule
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