25
9. Care and maintenance
9.1.
If the unit requires maintenance, disconnect the unit from the mains and contact Bio-
san or your local Biosan representative.
9.2.
All maintenance and repair operations must be performed only by qualified and spe-
cially trained personnel.
9.3.
Cleaning and disinfection. Use a moist clean soft cloth to wipe the outer surfaces of
the unit.
9.4.
Dongles for the unit.
Operating dongle
Validation dongle
Figure 32. Dongles for the unit
9.5.
Service schedule. Use only the components recommended by the manufacturer. Re-
place components according to the table below:
Table 5. Component replacement period
Replacement part
Replacement period
Note
Pre-filter cartridges
When the filters are clogged or every 6
months. Replace both simultaneously.
Stage changes be-
tween Filling tank and
Low pressure
Deionization module
On Error 1 or when Grade II conductivity
exceeds 0.5 μS/cm
Polishing module
On Error 2 or when Grade I conductivity ex-
ceeds 0.1 μS/cm
Depends on water us-
age
Sterilization UV
lamp
As required (every 2 years on average)
For model Bio
Oxidation UV lamp
For models HPLC & Bio
0.22 μm filter dis-
penser
Every 3
–6 months
For models Trace &
HPLC
Ultrafilter
Every 6
–12 months
For model Bio
9.6.
Filter and module replacement.
9.6.1. Microfilter and ultrafilter dispensers. Put the unit in the OFF stage by pressing the
Run
key and unscrew the filter. Replace with a new one according to
5.9
.
9.6.2. Pre-filter cartridges.
-
Put the unit in the OFF stage by pressing the
Run
key;
-
Open the side door;
-
Remove the old filters by turning them to the left for a quarter turn, then by pulling
down;
-
Replace with a new set according to
5.6.2
.
Note.
Replace both cartridges at the same time.
