SONGZ ESA Series Electric Bus Air Conditioner
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Technical Data of Electric Bus A/C ESA Series
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Model |
ESA-ID |
GSA-IE |
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Recommended Bus Length(m) |
6.0-7.4 |
7.5-7.9 |
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Refrigerant |
R134a/R1234yf |
R407C |
R134a/R1234yf |
R407C |
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Cooling Capacity |
Standard |
9 kW |
11 kW |
9.5 kW |
12 kW |
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Maximum |
11 kW |
14 kW |
12 kW |
15 kW |
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|
Heat Pump Heating Capacity |
7 kW |
10 kW |
9 kW |
12.5 kW |
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PTC Heating Capacity |
8 kW |
8 kW |
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Roof |
Dimension (mm) |
2470×1600×240 |
2300×1680×275 |
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Weight |
195 kg |
215 kg |
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Air Flow Volume Condenser |
5400 m3/h (3) |
5400 m3/h (3) |
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(Fan Quantity) |
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Air Flow Volume Evaporator |
3200 m3/h (4) |
3200 m3/h (4) |
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(Blower Quantity) |
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Cooling Power Consumption |
5.2 kW |
5 kW |
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Heating Power Consumption |
4.8 kW |
5 kW |
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PTC Power Consumption |
8 kW |
8 kW |
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BTMS Cooling Capacity Max |
1~4 kW(adjustable) |
1~6 kW(adjustable) |
1~4 kW(adjustable) |
1~6 kW(adjustable) |
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（When the e-bus stops and recharge） |
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Features
01
Intelligent Modular Platform Design (SONGZ SIEMA2 Platform)
Enables modular integration of compressor units, electrical control systems, throttling systems, evaporators, and condensers. Features optimized efficiency and reliability through streamlined system architecture.
02
Lightweight Construction
Aluminum alloy base shell with partial hollowing of condenser, compressor, and control cavity. Integrated aluminum compressor reduces weight by 30% compared to conventional designs.
03
Aerodynamic Roof-Mounted Design
Streamlined top-cover structure minimizes connections and fasteners, optimizing space utilization and aesthetics. Windward configuration leverages vehicle airflow to enhance operational efficiency.
04
Advanced Noise Reduction & Integration
Dual-stage shock absorption system combined with proprietary noise mitigation technology ensures quiet operation while maintaining system integrity.
05
EMC Compliance & Safety Certification
Meets GB/T 18655 Class 3 electromagnetic compatibility standards. Proprietary insulation design ensures reliability and safety, with full EU certification.
06
DC Variable Frequency Technology
Compressor utilizes DC inverter (permanent magnet synchronous) technology with adaptive frequency control. Premium models feature electronic expansion valves for precise temperature regulation, energy savings, and environmental sustainability.
07
Integrated Electrical Control
Multi-functional control unit reduces footprint and simplifies wiring harness layout, enhancing both aesthetics and serviceability