9 Antechamber operation (Vacuum antechamber)
Manual loading and unloading of the mini antechamber
Page
9 - 8
MB-20-G/MB-200G-W_MB-LABmaster_MB-200 MOD_TP700
Operating Manual - V5.0 - 04/2018 - STD
9.4.2 Transferring material out
If the outer antechamber door was open, the inner walls may be moist. To prevent this,
MBRAUN recommends performing an evacuation and refilling procedure after opening
the outer antechamber door.
Step
Door
status
1
Atmo-
sphere
status
2
AC pres-
sure
status
Manual
valve
status
Action
Example
Mini-
AC
3
1 I: CLOSED
O: CLOSED
Glove-
box
pres-
sure
Close
d
Check:
► Is AC inert?
No: continue with
step 2
Yes: continue with
step3
2 I: CLOSED
O: CLOSED
AC
cycle
Repeat several times:
Mini-AC: 2 times
Main AC: 3 times
3 I: CLOSED
O: CLOSED
Glove-
box
pres-
sure
Close
d
► Open inner
door.
4 I: OPEN
O: CLOSED
Glove-
box
pres-
sure
Close
d
► Place material
on tray.
► Close inner
door.
5 I: CLOSED
O: CLOSED
Glove-
box
pres-
sure
closed
Hazardous material?
Yes: continue with
step6
No: continue with
step7
(6
)
I: CLOSED
O: CLOSED
Refill with
ambient
air
AC
cycle
Repeat several times:
Mini-AC: 2 times
Main AC: 3 times