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SONGZ CO2 Electric Bus Air Conditioner
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SONGZ CO2 Electric Bus Air Conditioner

SONGZ CO2 Electric Bus Air Conditioner is a low-temperature high-efficiency heating unit using R744 (CO₂) refrigerant, featuring an environment-friendly design with zero emissions, double-pole shock-absorbing structure, and an integrated control system. It can provide efficient heating at -20°C, operate normally with automatic snow-melting at -15°C in snowy conditions, reduce energy consumption, and enhance vehicle endurance.

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    Technical Specification of CO2 Electric Bus A/C Series

    Model

    ESY-VI-T

    Recommended Bus Length(m)

    12

    Refrigerant

    R744

    Cooling Capacity

    Standard

    22 kW

    Maximum

    37 kW

    Heat pump Heating Capacity

     (which can operate normally at ambient temperature -20 ℃)

    30 kW

    PTC Heating Capacity

    16 kW

    Roof

    Dimension

    3600×1900×280 (mm)

    Weight

    410 kg

    Air Flow Volume Condenser

     (Fan Quantity)

    8000 m3/h (5)

    Air Flow Volume Evaporator

     (Blower Quantity)

    5400 m3/h (6)

    Cooling Power Consumption

    15 kW

    Heating Power Consumption

    10.5 kW

    PTC Power Consumption

    16 kW

    BTMS Cooling Capacity Max

    (When the e-bus stops and recharge)

    10 kW

    Features

    01

    Environmentally Friendly Refrigeration

    Utilizes R744 (CO₂) refrigerant with zero ozone depletion potential, fully compliant with global environmental standards.

    02

    Ultra-Low Temperature Heat Pump Technology

    Delivers efficient heating performance down to -20°C, reducing AC unit energy consumption by up to 30% and extending vehicle range through optimized thermal management.

    03

    Optimized Structural Design

    Features dual-stage shock absorption system and high-strength construction, ensuring reliability under extreme operating conditions.

    04

    Zero-Emission Operation

    Eliminates auxiliary fuel-consuming components, achieving complete carbon neutrality and aligning with sustainable mobility goals.

    05

    Integrated Control Solution

    Proprietary SIEMA integrated control system enables customizable operation modes and seamless integration with vehicle management systems.

    06

    Enhanced Snow-Melting Performance

    Operates reliably at -15°C with automatic snow-melting function, ensuring consistent performance in harsh winter conditions.

    Functions Upgrade (Optional)

    In addition to the basic functions of refrigeration, heat pump heating and ventilation, the product can also upgrade the following functions according to customer and environmental requirements:

    01 /

    Ultra-low temperature heat pump heating function

    realize -15 ℃ to meet the heat load of the whole vehicle, and -25 ℃ continuous heat pump operation.
    02 /

    Self-developed Dedicated Inverter-Driven Gas Injection Control Technology

    Enables the air conditioning system to achieve high energy efficiency at -20°C, meeting vehicle thermal load demands, while sustaining continuous operation in ambient temperatures as low as -35°C.
    03 /

    Innovative development of two-stage compression engineering prototype

    which can achieve stable operation at -35℃.
    04 /

    Integrated battery thermal management function

    outputting 3-10kw battery cooling capacity according to customer requirements without affecting the cooling effect of the vehicle.
    05/

    Air purification function

    including four functions: electrostatic dust collection, ultraviolet light, strong ion generator, and photo catalyst filtration, to achieve sterilization, odor removal and efficient dust removal, and effectively block the transmission of viruses.
    06/

    "Cloud control" function

    realize remote control and diagnosis, and improve product service and monitoring capabilities through big data application.
    07/

    PTC electric heating

    according to different configurations and ambient temperature, start PTC in time, assist heating, and realize heating in the full temperature range.