MBRAUN MB 120B-G, Operating Instructions Manual

Page: 35 / 105

The “ MBRAUN QuickPurge” automatic purging system is an optional component for comfortably operating
the system.
Caution!
Annoyance by bad smell is expected as soon as any used-up purge gas escap
es
to the
surroundings. Environmental pollution and effects detrimental to health, however, are not known,
but cannot be excluded. The manufacturer does not assume any liability!
When using toxic or radioactive material
,
a special purging facility is required!
Prerequisites:
Having observed all previous chapters.
All connections have been properly made.
The working gas connection has been made, refer to chapter 3 “Preparations for Connections” and
chapter 4 “Installation”.
The
exhaust
line for used-up purge gas has been made, refer to Chapter 3 “Preparations for Connec-
tions” and Chapter 4 “Installation”.
The material for manual purging has been provided, refer to chapter 3 “Preparations for connections”
The system is activated, refer to chapter 5 “Activating the system”
The system functions “Circulation” and “ Regeneration” are not activated.
All antechambers are in closed position.
Sufficient working gas ( = purge gas) is available - Required quantity approx. 8
,
000 to 10
,
000 m
3
for
1 m
3
box volume each.
Purging procedure
Press “Quick purge” Hardkey on the OP17 Operation Panel.
Status indicator illuminated green.
Purge box until an oxygen value of smaller than 100 ppm has been obtained.
Press “Quick purge” hardkey.
Status indicator not illuminated - purging procedure completed.
!
Chapter 7
Purging the System
36
“MBRAUN QuickPurge” automatic purging system
Quick
purge
Quick
purge
Quick
purge