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CO₂ Heat Pump -CEZDD Series

The low-temperature CO₂ heat pump A/C is suitable for 8-13m buses and long-distance coaches, which can integrate battery cooling function.

  • 8-13m

    Application vehicle length

  • double-return air overhead unit

    Structure type

  • 24000-30000 kal/h

    Cooling capacity

  • 33000-35000 kal/h

    Heating capacity

Technical Parameters

Model CEZDD-04 CEZDDS-06
Cooling capacity (kcal/h) 24000 30000
Heating capacity (kcal/h) 33000 35000
Evaporation air volume (m³/h) 4000(4pcs) 8000(8pcs)
Condensing air volume (m³/h) 8000(4pcs) 10000(5pcs)
Refrigerant R744(CO₂) R744(CO₂)
Maximum energy consumption (A) 85 95
Dimension (mm) LxWxH 3000*2000*345 3500*2000*345
Application 8-10m 11-13m
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Features

More Environmentally Friendly

Natural and environment-friendly CO₂ refrigerant (ODP=0, GWP=1) is adopted to meet the requirements of environmental protection regulations.

Highly Efficient

At -10°C, the heating efficiency is about 30% higher than that of R410a A/C.

More Intelligent

It can be controlled in a safe and efficient manner, and the system can automatically defrost, and has monitoring and predictive operation and maintenance capabilities.

More Reliable

Safe and reliable pressure relief valve combined with pressure control is used to realize multi-level protection of system product safety.

Stronger Environmental Adaptability

It can operate in the ambient temperature range of -30°C ~40°C.

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