11
Mechanical alkaline cleaning and thermal disinfecting
Machine type: single-chamber cleaning/disinfection device without ultrasound
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 mechani-
cal cleaning/disinfecting.
Phase
Step
T
[°C/°F]
t
[min]
Water
quality
Chemical
I
Prerinse
<25/77
3
D–W
-
II
Cleaning
55/131
10
FD-W
■
Concentrate, alkaline:
–
pH = 13
–
<5 % anionic surfactant
■
0.5 % working solution
–
pH = 11*
III
Intermediate rinse
>10/50
1
FD-W
-
IV
Thermal disinfect-
ing
90/194
5
FD-W
-
V
Drying
-
-
-
According to the program for cleaning
and disinfection device