Chemical processes and technology
50
Chemical agents
Problem How to resolve it
The ingredients in chemical agents have a
strong influence on the longevity and
functionality (throughput) of the dispensing
system.
– Follow the chemical agent manufacturer's
instructions and recommendations.
– Carry out a regular visual check of the
dispensing system (siphons, hoses,
dispensing containers etc.) for any
damage.
– Regularly check the flow rate of the
dispensing system.
– Ensure that the regular cycle of
maintenance is observed.
– Please contact Miele Service for advice.
Chemical agents can damage elastomers
and plastics in the machine and
accessories.
– Follow the chemical agent manufacturer's
instructions and recommendations.
– Carry out a regular visual check of any
accessible elastomers and plastics for
damage.
The following chemical agents can cause
large amounts of foam to build up:
– Cleaning agents and rinsing agents
containing tensides.
Foam can occur:
– in the programme block in which the
chemical agent is dispensed,
– in the following programme block if it has
been spilt,
– in the following programme with rinsing
agent if it has been spilt.
– Process parameters in the wash
programme, such as dispensing
temperature, dosage concentration etc.
must be set to ensure the whole process
is foam free or very low foaming.
– Please observe chemical agent
manufacturer's instructions.
De-foaming agents, especially silicone
based ones can cause the following:
– deposits to build up in the cabinet,
– deposits to build up on the load,
– elastomers and plastics in the washer-
disinfector can be damaged,
– damage to certain plastics (e.g.
polycarbonate and plexiglass) in the load
being processed.
– De-foaming agents should be used in
exceptional cases only, for instance when
absolutely essential for the process.
– The wash cabinet and accessories should
be periodically cleaned without a load and
without de-foaming agent using the
Special 93°C-10' programme.
– Please contact Miele Service for advice.
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