Endress+Hauser Liquiline CM44P - Page 115

Liquiline CM44P Operation
Endress+Hauser 115
Cleaning types
The user can choose from the following cleaning types:
• Standard clean
• Chemoclean
• Chemoclean Plus
State of cleaning: Indicates whether the cleaning program is active or not. This is for
information purposes only.
Selecting the cleaning type
1. Menu/Setup/Additional functions/Cleaning: Select a cleaning program.
 You can configure 4 different types of cleaning which you can assign individually
to the inputs.
2. Cleaning type: For each cleaning program decide which type of cleaning should be
performed.
Standard cleaning
Standard cleaning involves cleaning a sensor with compressed air, for instance, as
performed with the ion-selective sensor CAS40D (connection of cleaning unit for
→  43CAS40D)
Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Standard clean
Function Options Info
Cleaning time 5 to 600 s
Factory setting
10 s
Cleaning duration
The cleaning duration and interval depend on
the process and sensor.
‣
Determine the variables empirically or based
on experience.
‣
Define the cleaning cycle→  117.
Chemoclean
An example is the use of the CYR10 injector unit to clean pH glass sensors. (CYR10
connection →  43)
Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Chemoclean
Function Options Info
Cleaning time 0 to 900 s
Factory setting
5 s
Cleaning duration
Prerinse time 0 to 900 s
Factory setting
0 s
The cleaning duration, pre-rinse and post-rinse
times and the interval depend on the process
and sensor. Determine the variables empirically
or based on experience.
Postrinse time