This Pfeiffer air cooling fan unit mounts to the side of HiPace 80 Neo turbo pumps and provides air flow perpendicular to the pump. The HiPace 80 Neo turbo pump's integrated TC 80 drive unit has two accessories connectors "C1" and "D1" uses a special cable through which power is supplied by an OmniControl 200 or TC 80 electronic drive. This air cooling fan plugs into one of the connector's C1 or D1 via USB. The air cooling unit will always run when the pump is on. This air cooling fan unit has Pfeiffer part number PM Z01 367.