Heidolph Hei-VAP Expert Operating Manual page 12

Device Description
Back side of the device (control variants): valve-controlled pumps / house
vacuum:
Vacuum manifold
with components
for
vacuum control
Control box
Back side of the device (control variants): speed-controlled pumps:
Vacuum manifold
with components
for
vacuum control
Control box
12
Ventilation valve
Vacuum sensor
Vacuum valve
Ventilation valve
Vacuum sensor