Liquistation CSF48 Operation
Endress+Hauser 169
10.6.2 Cleaning programs
The cleaning system is not switched off during calibration or maintenance activities
Risk of injury due to medium or cleaning agent
‣ If a cleaning system is connected, switch it off before removing a sensor from the medium.
‣ If you are not switching off the cleaning system because you wish to test the cleaning
function, wear protective clothing, goggles and gloves or take other appropriate measures.
Selecting the cleaning type
1. Select a cleaning program in the menu Setup/Additional functions/Cleaning.
You can configure 4 different types of cleaning which you can assign individually to the
inputs.
2. For each cleaning program use "Cleaning type" to decide which type of cleaning should be
performed..
The user can choose from the following cleaning types:
• Standard clean
•Chemoclean
• Chemoclean Plus
Under "State of cleaning" you can see whether the cleaning program is active or not. This is
for information purposes only.
Standard cleaning
Standard cleaning involves cleaning a sensor with compressed air, for instance, as performed
with the ion-selective sensor CAS40D (connection of the cleaning unit for CAS40D ä 50 ).
Defining the cleaning cycle ä 172
Path: Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Standard clean
Function Options Info
Cleaning time 5 to 600 s
Factory setting
10 s
Cleaning time... Cleaning duration
The cleaning duration and interval depend on the
process and sensor. Determine the variables empirically
or based on experience.
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