NEW BRUNSWICK SCIENTIFIC BioFlo 415, Manual To Operations

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64
BioFlo 415
y
M1360-0050 User’s Guide
10.6 Using Level Probes to Program Feed Pumps
10.6.1 Setting a Feed Pump to Add Liquid
A feed pump can be set to add liquid whenever the associated level probe,
installed in the vessel, informs the pump that an addition is needed to maintain
level.
Prior to sterilizing the vessel, make sure that the level probe that you wish
to use is fully inserted into the vessel.
When the vessel is set up at the control
cabinet, raise the probe to the level at which you want addition to begin.
Never lower a probe after sterilization!
1. Open the Pump Screen .
2. Select the feed pump you wish to pump liquid into the vessel, and press
that pump’s
ASSIGNMENT button to open the PUMP ASSIGNMENT
screen (
see Figure 35
, repeated here for easy reference).
Figure 35: Pump Assignment Screen
In
DRY control mode:
•
when the liquid is
not in contact
with the probe, the feed pump is turned
on
so that more liquid will be added.
•
when the liquid is
in contact
with the probe, the pump is turned
off
.
10.6.2 Setting a Feed Pump to Harvest
A level probe can also be used to set up a feed pump to harvest.
Prior to sterilization the vessel make sure that the level probe that you
wish to use is fully inserted into the vessel.
When the vessel is set up at the control cabinet, raise the probe to the level at
which you want harvesting to begin (i.e., above the current liquid level).
Never lower a probe after sterilization!
3. Press the Lvl2 Dry
button.
4. Press SUMMARY to
save the pump
assignment and to
return to the
SUMMARY screen.