Refco VAMP-X Bedienungsanleitung Seite 15

8.5 Vent Tube
Push the supplied vent tube onto the nozzle, as shown. Make sure
that the top of the tube is higher than the water in the posable hose
and drain pan will be. If necessary, secure the vent tube to ensure
that it does not move when the product is in use. Operating the
pump without vent tube installed is not recommended.
8.6 Connect Suction Tube to Sensor
Connect the suction tube to the outlet connector of the sensor.
The sensor must be installed horizontally.
Instruction Manual 14