The SF-533 is a high-performance integral truck refrigeration unit designed for reliable temperature control in transport applications.
| Unit Model | SF-533 |
| Applicable Temperature | 15°C ~ -20°C |
| Cooling Capacity (Environmental Temperature 35°C) | 0°C: 3300Kcal/3838W/13095BTU |
| -18°C: 2050Kcal/2384W/8134BTU | |
| Compressor Model | SD7L15 |
| Compressor Displacement | 151 cc/r |
| Condenser Type | P.F. |
| Condenser Fan Type | Axial Fan |
| Number of Condenser Fans | 2 Fans × 1000m³/h |
| Condenser Voltage | DC 12V / DC 24V |
| Evaporator Type | Inner screw tube and aluminium fin |
| Evaporator Fan Type | Axial Fan |
| Number of Evaporator Fans | 2 Fans × 1000m³/h |
| Evaporator Voltage | DC 12V / DC 24V |
| Power Consumption | ≤36A (DC 12V) / ≤20A (DC 24V) |
| Refrigerant | R-134a / R-404a |
| Defrost Type | Automatically hot air defrost |
| Structure | Integral unit |
| Electrical Standby System (Optional) | AC 220V / AC 380V / 415V |
| Dimensions (mm) | 1665 × 760 × 490 |
| Net Weight | 104 kg |