Operating Manual WD 425E
Rev. 1.
1
, LS Page 8 of 34
78563_E rev 1.1.doc
splitting, hydrolytic effect only at elevated temperature levels. In case high temperatures are not feasible for
reasons material properties, then an improvement of performance may be obtained by extending the clean-
ing time
See Belimed Factory Programs.
1.2.2
Impact of Water Quality
Water quality has a significant influence on cleaning efficiency. Raw water (CW and WW) must at least meet
the criteria of drinking water. Inferior water quality may bring about problems such as:
•
Calcification
•
Corrosion
•
Filming and discoloration
•
Water stains
•
Reduced cleaning performance
The water quality for the various steps in processing, such as CW, WW, DI water, must be defined and re-
quires monitoring. The quality of the available water must be taken into consideration when dosing additives
are selected.
Aside from the chemical qualities of water, its microbiological properties must be kept in sight as well.
Considering the special nosokomial risk, the regular chemical analyses of the water must be expanded by
micro-biological investigations to keep opportunistic and ill-making germs in check.
1.2.3 Appropriate Rinse oriented Loading
Influence of loading properties on cleaning performance
Proper loading of wash goods has a significant influence on cleaning results. Therefore, the following sug-
gestions deserve your attention:
•
Instruments with hollow spaces, shanks, hoses, respiratory tract systems must be thoroughly flushe on
the
inside
too. This requires special gadgets that are adapted for the various instruments, e.g. AN rack
featuring a flushing rig.
•
Overturning of repositories such as container lids or light weight bowls must be prevented as they might
cause significant water remnants and thus promote lye contamination. Also, drying performance would
be impaired.
1.3 Flexible Endoscope Cleaning
Note:
DI water supply lines do not feature a free flow section on the machine side to prevent in-
festation.
!Caution!:
For the purpose of cleaning flexible endoscopes, approved detergents and disinfecting
additives must be used.
When performing pre-cleaning chores of endoscopes, appropriate protective clothing
must be worn, thus to prevent infection by contaminated endoscopes.