G 03907 - Edition 02- August 12
1/1
C 50
Water flowrate on A803H
The cooling circuit is equipped with a 3 - way - valve which allows
Roots cooling depending on the process.
When the Roots is cooled:
When the Roots is not cooled:
It corresponds to the initial
configuration.
Adjust the temperature threshold
according to the table below.
Depending on the process, it is not
necessary to cool the Roots.
In this case, invert the valve opening
position from a half turn and adjust
the threshold according to the table
below.
Roots cooling
circuit
Roots
Water inlet
Water outlet
Inlet
Exhaust
3 - way
manual valve
Temperature
sensor
Schematic principle
Manual valve in position
Roots cooled
To gearbox water
cooling input
Water flow direction
Manual valve in position
Roots not cooled
Water flow direction
adixen Vacuum Products - A3H Series Operating instructions
