DFDD as the power pack of the bus air conditioner, the rooftop unit is powered by a sub-engine, special design for the buses which is lack of power to support the working of air conditioning system.
1.Independent compressor drive, stable system pressure, not interfered by the main motor and with both quality of cooling and driving.
2.Use engine with high quality to ensure low noise, less fuel consumption and match large displacement compressor with strong cooling output.
3.Perfect protection function for voltage, coil temperature, system pressure, temperature of motor and oil pressure.
4.Humanization rear start design and easy for operation.