S9 Roof Top Parking Air Conditioner
Qingdao Donjelion International Trade Co., Ltd. is one of the most credible manufacturers and suppliers of s9 roof top parking air conditioner in China. If you're going to buy customized s9 roof top parking air conditioner, welcome to get more information from our factory. Good service and quality products are available.
The DongJielin S9 is a 24V idle-free rooftop air conditioner designed for heavy-duty trucks, large RVs, and sleeper cabs. Featuring a dual-cylinder rotary compressor, low 980W power consumption, and 3000W cooling capacity, it delivers fast, stable, and quiet cab cooling without engine idling, ideal for long-distance drivers and fleet operations worldwide.
Product Overview
The DongJielin S9 is a fully integrated rooftop parking AC unit, pre-assembled and pre-filled with R134a refrigerant and POE68 oil. It operates independently of the vehicle engine, using only 24V battery power. Installation is simple, requiring only roof opening and power wiring-no pipeline welding or on-site refrigerant filling.
Core Features
1. High-Efficiency Dual-Cylinder Compressor
Custom industrial dual-cylinder rotary compressor ensures stable 3000W cooling capacity even in extreme 50℃ conditions, reducing engine idle wear and improving driver comfort.
2. Low Power Consumption & High EER
With 980W rated power and 2.55 EER, the S9 reduces battery drain and energy cost compared to conventional parking AC units. Built-in battery protection prevents over-discharge.
3. Large Air Volume & Quiet Operation
Circulates 480 m³/h air, eliminating hot spots in sleeper cabs. Operating at 65dB(A), it ensures restful sleep for drivers during overnight parking.
4. Integrated All-in-One Design
Compact 952×861×188mm streamlined shell reduces drag, prevents roof damage, and simplifies installation and maintenance. Pre-filled refrigerant and integrated structure lower after-sales service costs.

Applications
1.Long-distance heavy-duty trucks & sleeper cabs
2.Off-road RVs, motorhomes, and caravans
3.Fleet operation vehicles for logistics companies
Perfect for high-temperature regions, deserts, and tropical zones, providing continuous idle-free cooling.
Technical Specifications
| Feature | Specification |
|---|---|
| Compressor | Dual-cylinder rotary |
| Refrigerant | R134a |
| Refrigeration Oil | POE68 |
| Refrigerant Weight | 560g |
| Cooling Capacity | 3000W |
| Voltage | 24V |
| Power | 980W |
| Noise | 65 dB(A) |
| Air Volume | 480 m³/h |
| EER | 2.55 |
Why Choose DongJielin S9
1.Factory pre-assembly ensures consistent performance
2.Direct manufacturer supply, maximizing wholesale profit
3.OEM/ODM customization available for branding and UI
4.Full technical and after-sales support for global partners
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