13
14
8. TROUBLE SHOOTING
This section describes possible problems that may be encountered when
using Ceveron
®
MFU 500 and recommended procedures to solve these
problems.
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Filter plate not covered
or sealed.
Use plate sealer
After starting the filtration - press the
filter
plate
a
shortly but tightly to the
manifold collar to ensure tight fitting of
the plates
Poor contact of plates
a
with gasket
Manifold collar
b
Align plates
Vaccum control valve
open
j
Close the valve
Stop cock (
k
) in “off”
position
Put stop cock to “on” position
(in line with tubing)
NO OR WEAK
VACUUM
Gaskets
worn / compromised
Replace gaskets (See “6. Replacing
O-ring or Gaskets”)
NO FLOW
Plasma sample is not
platelet poor or
contains particles
(denatured protein,
fibrin, cells) that cause
plugging of the filter
Pre-filter the samples
LIQUID IN
VACUUM
TUBING
i
Unit was used without
receiver plate or
leaking receiver plates
Rinse unit with distilled water followed
by pumping air through the unit
If problems continue after trying the suggested solutions, contact
[email protected] or your local distributor.
9. TECHNICAL DATA
This section lists specifications for Ceveron
®
MFU 500 including building
materials, storage conditions and dimensions.
Building materials:
Manifold Base:
Anodized Aluminium
Gasket: EPDM
Ethylene-propylene Polymer
O-ring:
Silicone
Spacer:
Delrin
Adaptor Collar:
Stainless steel
Pump housing:
Plastic material
Pump
Ceveron
MFU 500 is equipped with a diaphragm Liquid Pump.
Hydraulic data:
Free flow at U
n
400 ml/min
Max. pressure height at U
n
40 m H
2
0
Working range
up to 15 m H
2
O
Suction height (dry)
6 m H
2
O
Electrical data:
Motor
Permanent Magnet
Nominal Voltage
12 V DC
Nominal Speed
3000 rpm
Nominal Current
0,4 A
Starting Current
1,7 A
Power Consumption max
5 W
Insulation Class
E
Protection Class
IP20
EMC protection
Basic EMC filter (2L)
Parts in contact with spilled liquids:
Pump head
Polyarylamide (PA)
Diaphragm
EPDM
Valves
EPDM
Содержание Ceveron MFU 500
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