Premium Bus HVAC System | 24-28kW Cooling Capacity • High Efficiency • Energy Saving • Low Noise
2022 Fiberglass Rooftop Bus Air Conditioner JYKT24B1
24kW Cooling Power with Lightweight Engineering
The JYKT24B1 rooftop unit redefines performance standards with its advanced modular design. Constructed from high-strength fiberglass composites, this system achieves a 20% weight reduction compared to conventional models while delivering 24-28kW of precise cooling capacity. Engineered for durability and optimal climate control, it ensures consistent performance in diverse environmental conditions.
Key Technical Advantages
| Feature |
Technical Innovation |
| Lightweight Design |
High-strength fiberglass composite construction reduces system weight by 20%, enhancing fuel efficiency. |
| Energy Efficiency |
State-of-the-art compressor and optimized heat exchanger design achieve 15% higher energy efficiency than industry averages. |
| Ultra-Low Noise |
Noise-dampening insulation and aerodynamic fan blades minimize operational noise to ≤58dB at 1m distance. |
| Cost Optimization |
Extended component lifespan and low-maintenance design reduce total life cycle costs by 25%. |
| Enhanced Airflow |
High-performance blower system delivers 18% greater airflow with 10% lower power consumption. |
| Universal Adaptability |
Modular structure allows seamless integration with 10-14m buses, including city transit, intercity coaches, and tourist vehicles. |
Technical Specifications
- Cooling Capacity: 24-28kW (ISO 16798 standard conditions)
- Power Supply: 380V/50Hz 3-phase (custom voltage options available)
- Noise Level: ≤58dB (at 1m, fan speed 1500rpm)
- Material: Fiberglass-reinforced plastic (FRP) with anti-UV coating
- Operating Temperature: -20°C to +50°C
- Certifications: CE, ISO 9001, CCC
Engineering Excellence
The JYKT24B1 integrates cutting-edge refrigeration technology with intelligent control systems, enabling real-time temperature adjustment and fault diagnosis. Its lightweight architecture not only reduces vehicle load but also enhances installation flexibility. As a flagship product from China's leading bus AC manufacturer, this system sets new benchmarks for reliability and energy efficiency in commercial vehicle climate control.
Custom Solutions Available
Contact our engineering team for tailored configurations, including low-temperature operation modules, intelligent IoT monitoring systems, and multi-zone temperature control solutions.
Why do we install air conditioner on the Buses ?
"It's fifty degrees outside so why is the air conditioning on?" is a question we who monitor Metro's social media see pretty frequently during the cooler months - and sometimes even in the middle of summer on those few particularly cool evenings. It's a valid question. When the weather outside is less than balmy, why do we still need to blast the A/C on our buses and trains?
The main reason is because buses and trains are enclosed spaces, so the HVAC (heating, ventilation and air conditioning) system has to be kept on to ensure proper air circulation for everyone on board. Even when it's chilly out, it can quickly get stuffy and warm inside a bus or train, especially if it's crowded with many heat-generating bodies breathing at the same time.
The second reason for keeping the air conditioning on is that it keeps surroundings dry. Warm, humid interiors tend to promote bacteria growth and help generate stronger odors. Having the A/C on prevents moisture build up on board and combats the various germs and smells that are part and parcel of highly trafficked spaces.
The temperature for passenger areas is pre-set at Metro's different bus/rail divisions and is generally set to accommodate average ridership. This means it should feel comfortable when the bus or train is approximately half full. The car temperature is also continuously monitored and regulated based on the actual temperature inside the vehicles. However, during transit as people hop on and off, it will feel much colder when there are less people on board.
What to do if the temperature is absolutely unbearable? You have the option of notifying the bus or train operator. They can adjust the temperature within a narrow pre-set range, or turn off climate control system completely if the situation warrants it. However, keep in mind that what's hot or cold for you may be different from what someone else is reporting.
I promise no one at Metro is purposefully trying to make your ride uncomfortable. We're just doing our best to provide comfort to as many people as we can while maintaining the most optimal environment on board.
Feature:
- High energy efficiency
- High cold- to-heavy ratio
- High cost performance
- High adaptability.
- Intelligent control module
- Low noise
- Compact structure
- widely used in China market
- Material : Fiber glass.
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Parameters:
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| ITEM |
UNIT |
TECHNICAL PARAMETER |
|
| MODEL |
mm |
JYKT18B1 |
JYKT20B1 |
JYKT22B1 |
JYKT24B1 |
| CITY BUS |
m |
7.3~8.2 |
7.9~8.5 |
8.3~9.5 |
9~10 |
| COOLING CAPACITY |
kw |
18~21 |
22~23 |
22~25.5 |
24~28 |
| REFRIGERANT |
|
R234a |
| SUPPLY VOLTGE |
V.DC |
24DC |
| COMPRESSOR MODEL |
|
DKS32 |
KBQY4-40N |
KBQY4-47N |
|
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KBQY4-56N |
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| EVAPORATOR |
TPYE |
|
FINNED TUBE TYPE(rifled copper tube, hydrophilic aluminum foil) |
| FAN |
TYPE |
|
CENTRIFUGAL TYPE |
|
| AIRFLOW |
m³/h |
~4000 |
~4000 |
~4000 |
~6000 |
| CURRENT |
A |
28 |
28 |
36 |
48 |
| CONDENSER |
TPYE |
|
FINNED TUBE TYPE(rifled copper tube, hydrophilic aluminum foil) |
| FAN |
TYPE |
|
AXIAL FOLW TYPE |
| AIRFLOW |
m³/h |
~6600 |
~6600 |
~6000 |
~8800 |
| CURRENT |
A |
28 |
28 |
28 |
37 |
| WEIGHT OF UNIT |
Kg |
180 |
180 |
190 |
200 |
| DIMENSIONS |
Mm |
3400×1620×160 |
3400×1620×160 |
3635×1830×195 |
3705×1830×199 |
| CONTROL SYSTEM |
COMPARTMENT TEMPERATURE |
ºC |
18-30(CONTINOUSLY ADJUSTABLE) |
| DEFROST TEMPERATURE |
ºC |
1~3 |
| AIR VOLUME ADJUSTMENT |
|
THREE-LEVEL AIR VOLUME(MANUAL OR DIGITAL CONTROL) |
| TOTAL CURRENT |
A |
63 |
65 |
67 |
90 |
| SAFETY DEVICE |
HIGH-PRESSURE SWITCH |
MPa |
2.6 OFF |
| LOW-PRSSURE SWITCH |
MPa |
<=0.065 ON |
| FUSIBLE PLUGS |
ºC |
95 OPTIONAL |
| FRESH DEVICE |
|
STANDARD |
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Entrtprise hardware facilities manufacturing equipment level in industry-leading position,
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