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Safeguards and Precautions
!
1. Read and follow all instructions
in this manual carefully, and retain
this manual for future reference.
2. Do not use this instrument in
any manner inconsistent with these
operating instructions or under
any conditions that exceed the
environmental specifications stated.
3. Be sure the power supplied to
this instrument matches the specifi-
cations indicated on the front panel
of the control box and described in
Specifications section.
4. If the drive unit is transported
or stored in colder temperatures
than the operating environment it
is necessary to wait 1-2 hours to
equalize the internal temperatures
of the drive unit before turning
it on.
5. Be sure all power is disconnected
before opening, assembling or
disassembling the superconductive
drive unit or its control box.
6. For full compliance with CE
specifications, be sure the appropri-
ate ground connection is made.
7. For technical assistance contact
the Sartorius Stedim Biotech sales
organization.
8. Each Flexel
®
3D LevMix System
for Drum contains a magnetic
impeller, which is the source of
a strong magnetic field in close
vicinity (12 inches) of the impeller.
People using any electronic medical
devices, such as pacemakers, should
not be involved in the close han-
dling of Flexel
®
3D LevMix Bags for
drums, magnetic chargers, impellers
or test impellers.
9. Keep supplied magnetic shields
on bags, magnetic chargers and
impellers when not in use.
Do not open machine or control
box while the Drive Unit is plugged
in.
Do not submerge drive in water.
Do not cut ground plug.
Important Information
Portable Appliance Test (PAT) -
U.K. Procedure
Insulation Resistance Test
Background
For U.K. users of the Flexel
®
3D LevMix
System who wish to perform the PAT Test,
please consider the following:
Flexel
®
3D LevMix System Electronics
The electronics of the DB-200 super-
conductive mixer drive units contain a
surge suppression board to protect the main
controller from damaging electrical surges
on the AC main line per CE requirements.
The electrical components of the surge
suppression board are Metal Oxide Varisters
(MOV). MOVs provide surge suppression to
the electronics by shorting high voltage
transients to ground.
PAT Test
During the Insulation Resistance Test in
PAT, the testers short together live and
neutral conductors and apply 500VDC
between these conductors and earth. As a
result of the surge protection board, "low"
readings will result as the MOVs short high
voltage to ground. This is normal character-
istic of the electronics. To properly conduct
the PAT test, it is necessary and proper to
bypass the surge suppression circuit.
Consult your Sartorius Stedim Biotech
Service Representative for Northern Europe
for the proper Insulation Resistance Test
procedure that can determine if a fault
exists.
Table of Contents
Safeguards and Precautions
Table of Contents
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®
®
3D LevMix
Bag for drums Into Tank
®
Bag for drums with the
Superconducting Drive Unit
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