6 WATER QUALITY
WARNING!
It is the customer’s responsibility to supply the
washer-disinfector with water of the right quality.
The quality of the water used in all stages of cleaning is important
for good cleaning results.
6.1 Requirements
The water used in each stage must be compatible with:
• The material that the machine is made of.
• The chemicals used in the process.
• Process requirements for the various stages of the process
6.2 Main factors
The main factors for good water quality are:
Hardness: High hardness will cause limescale deposits in the
washer-disinfector, leading to poor cleaning results.
Ionic contaminants: A high concentration of ionic contaminants
may cause corrosion and pitting on stainless steel. Heavy metals
such as iron, manganese or copper cause instruments to tarnish.
Microbial contaminants: Goods to be washed are treated for
microorganisms and their residual products, which may cause
fever-like symptoms if they get into the human body. Use water
that does not increase the biological load.
Sanitary chemicals: High concentrations of, and high exposure
to, sanitary chemicals may cause corrosion and pitting on stainless
steel.
6.3 Recommendation
• Getinge Disinfection AB recommends that water used in the
pre-rinsing, washing and final rinsing phases should be of
drinking quality in accordance with the guidelines.
• Recommended water quality is drinking water with max 5°dH.
• Detailed information about acceptable water quality can be
found in “Guidelines for Drinking Water Quality, 3rd Edition”
published by WHO.
6.4
Local standard
Follow local standards if they are stricter than Getinge Disinfection
AB's recommendations. Especially when treated water is used for
the final washing/disinfection phase.
Additional advice should also be obtained from the manufacturers
of chemical and medical equipment.
6 WATER QUALITY
INSTALLATION MANUAL GETINGE WD15 CLARO 37 (48)
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