GB 02999 - Edition 07 - 01/2017
3/3
B 330
Nitrogen purge and air inlet valve
device connections
Installed on the pump exhaust,
the air inlet valve is calibrated to
reset the volume of the pump to
atmospheric pressure.
When the pump is isolated
(at inlet and exhaust) the rotor
slow down efficiency is increased.
If the ”VENTING TIME” is set, the
reset to atmospheric pressure
takes place when the pump
is stopped or when faults are
registered on the controller.
Air inlet valve
A nitrogen purge can be connected instead of the dust filter
(1/8 NPT female).
Replace regularly the dust filter when used in dusty air.
Filtered air
or N
2
purge
Dust filter
A
( Operating instructions of the controller).
Pfeiffer Vacuum SAS – Operating instructions - ATH 1603 M - 2303 M