PFS is a rooftop mounted bus air conditioner with 2 sets compressor to provide redundancy, for 7 to 12m bus and coach, with cooling capacity from 27.0 to 40.0 kW.
Application:
| Model | PFS-IV | PFS-V | BFFS-05 | BFFS-06 |
| Vehicle Length(m)* | 7-8 | 8-9 | 9-11 | 10-13 |
| Cooling Capactity(kW) | 27.0 | 30.0 | 34.0 | 40.0 |
| Evaporator Airflow(m³/h) | 4000 | 4000 | 6000 | 7000 |
| Compressor | 2*TM-21 | 2*AK-33 | 2*AK-33/TM-31 | 2*AK-33/TM-31 |
| Size(mm) LxWxH | 3335*1820*187 | 3335*1820*187 | 3804*1902*210 | 4435*1902*210 |
(*) – Conditional separation is advisory in nature and depends on the climate in the country of destination.