Installation and connection
Position of sensor +
inert gas venting
valve (sectional dia-
gram)
38
Vent with inert gas – connect venting valve
Required connection material: Hose for hose nozzle (Ø 4–
5 mm), e.g., silicone tube 3/6 mm.
1. Slightly tilt the pumping unit to one side and push hose (c)
onto the connection of venting valve (b).
2. Route the hose underneath the pumping unit to the outside
and connect the inert gas (max. 1.2 bar/900 Torr, abs.).
7 Avoid overpressure.
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720
7