G 03903 - Edition 04 - August 12
3/4
C 43
Use of the M4 monitoring system for
pumping operation
During operation, the user is warned of an operating incident by:
one or several faults are displayed on the screen, alternating
with monitoring parameters. When these faults are activated,
the monitoring system triggers the warning phase followed by
the alarm phase. The period of time for these phases can be set.
indicator lights on the front panel and buzzer sounded, if option
selected.
indicator lights on display panel.
the fault contacts on the remote connector J14 at the rear of the
monitoring unit are closed.
pumping is stopped when an alarm threshold or a time is
reached.
A list of incidents is given in the
chapter D
.
Operation monitoring
Pumping shut-down
Press on
STOP
key and valid with
ENTER
.
The following operations will perform automatically:
inlet valve closes (if any and if selected),
pump(s) stop(s),
Injection of purge gas continues during the shutdown phase
if timing of
Purge prolonged
of the SETTING menu has been
programmed (0 to 120 min)
C 42
.
This additional N
2
injection is activated after each pump stop,
whatever may be the origin, either a stop command coming from
the tool, from the HHR or a pump stop generated by an alarm.
The message STOP IN PROGRESS
appears on the screen.
Pump temperature management continues during the stop
phase.
When timing of
Purge
prolonged
expires (if selected)
or if pressure > 1500 hPa, then
the message PUMPING STOPPED
appears on the screen.
When the “STOP IN PROGRESS” message appears on the display, don’t
intervene on the pump: risk of injury by contact with hot surfaces. Wait for
the “PUMPING STOPPED” message before intervening on the pump.
*52H LOC N2 ROOTS
# STOP IN PROGRESS #
PRESSURE 528 mbar
FB HP T° 82°C
52H LOC ROOTS
PUMPING STOPPED
03/15/09 15H12
Start-up after an
emergency stop
To restart the pump after an emergency stop, it is necessary to:
remedy to the problem,
rotate to unlock the emergency button.
start up the pump by pressing START.
–
–
–
To stop the pumping system for a long period, refer to «Shut down procedure
for discontinuous operation» safety instructions, see
C00.
adixen Vacuum Products - A3H Series Operating instructions
