G 03903 - Edition 04 - August 12
1/4
C 43
Use of the M4 monitoring system for
pumping operation
Neutral gas purge control
Operation setting
Pump start-up
possible choices
According to the selected operating mode, check the position of the
S1
switches on the electrical interface, and at the rear of the HHR
(
C 10
).
For safety reasons, the pump is set with
CMD PURGE
on DISABLED.
This selection does not allow the user to stop the gas purge while
pump is running.
When the purge gas is selected, the message N
2
is displayed on the
HHR.
Note:
in some process, it can be necessary to stop the gas purge
during pumping: set the
S2
coding wheel to “1” position and the
CMD PURGE on ENABLED.
To start the Roots and FB203 simultaneously, set the
CMD.ROOTS
menu on DISABLED.
To start or stop the Roots while the FB203 is running, set the
CMD.
ROOTS
menu on ENABLED.
The Roots will start or stop by pressing the
ROOTS
key.
When the Roots is running, the word
“ROOTS”
is displayed on the
HHR.
Check the direction of rotation at the initial start-up (
B 51
).
Before pump start-up, check that oil levels of FB and Roots housings are
visible in the middle of the sight glasses: do this check with the pump
stopped.
The performance and operational safety of this product are guaranteed
provided it is used normally in the operating conditions defined in this
manual.
It is the customer’s task to:
train operators to use the product if they do not speak the language
the manual is written in,
ensure operators know the safe practices to apply when using the
product.
–
–
Study the preliminary precautions (
B 00
). Before using the monitoring,
check that the mechanical and electrical connections defined in the chapter
B have been made.
adixen Vacuum Products - A3H Series Operating instructions
