Phase IV
►
After the specified exposure time (at least 1 min), rinse the disinfected
surfaces under running FD water.
►
Drain any remaining water fully.
Phase V
►
Dry the product in the drying phase with suitable equipment (e.g. cloth,
compressed air), see Validated cleaning and disinfection procedure.
6.7
Mechanical cleaning/disinfecting
Note
The cleaning and disinfection device must be of tested and approved effec-
tiveness (e.g. FDA approval or CE mark according to DIN EN ISO 15883).
Note
The cleaning and disinfection device used for processing must be serviced
and checked at regular intervals.
6.7.1
Mechanical alkaline cleaning and thermal disinfecting
Machine type: single-chamber cleaning/disinfection device without ultrasound
Phase
Step
I
Prerinse
II
Cleaning
III
Intermediate rinse
IV
Thermal disinfecting
V
Drying
D–W:
Drinking water
FD–W:
Fully desalinated water (demineralized, low microbiological contamination: drinking water quality at least)
*Recommended: BBraun Helimatic Cleaner alkaline
►
Check visible surfaces for residues after mechanical cleaning/disinfect-
ing.
T
t
Water
[°C/°F]
[min]
quality
<25/77
3
D–W
55/131
10
FD-W
>10/50
1
FD-W
90/194
5
FD-W
-
-
-
Chemical/Note
-
■
Concentrate, alkaline:
– pH = 13
– <5 % anionic surfactant
■
0.5 % working solution
– pH = 11*
-
-
According to the program for cleaning and disinfection device
11