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Mounting instructions VacuStar W900 / W1300 / W1600
Installation and assembly
29
6.8.8 Shut-off valve in the control line
A shut-off valve must be installed in the control line in order to
avoid reversing of the VacuStar W when the tank is evacuated at
deactivation.
NOTE!
The shut-off valve must be connected in the control
line in parallel to the ancillary drive!
6.8.9 Safety pot
Requirements
The safety tank protects the VacuStar W from sucking in liquids. It
must comply with the following requirements:
Incoming air must not contact the liquid directly
Sufficiently large settlement room
Drain tap at the lowest possible level.
Assembly
Install the safety tank at the deepest point of the system.
Functional check
The functional check of the safety tank must satisfy the following
requirements:
Sucked-in liquid is separated and remains in the safety tank.
In vacuum mode, the suctioned liquid must remain in the safety
container.
With atmospheric suction (pressure operation) no more than 1 l
of liquid must be suctioned into the VacuStar W per hour.
When the liquid volume in the container is reached, the line to
the VacuStar W must close.