... ·Harness: Heat -Resistance 105 °C, anti flaming harness, waterproof connector·Condenser coil: Multicenter parallel flow, 500 hours salt spray test ·Evaporator ... copper tube, hydrophilic film aluminium fin, 500hours salt spray test·Condenser fan: Axial, long life 12000 hours, adjust rotational speed ... compressor load adjustment, increase the service life of compressor. Truck Refrigeration Unit LC2