Endress+Hauser CAT820 User manual

Products Solutions Services
Operating Instructions
Liquiline System CAT820
Automatic sample conditioning system for
supplying process measuring devices with filtered
sample from sludge activation, secondary
clarification or surface water
BA01274C/07/EN/03.21
71530851
2021-07-31

Liquiline System CAT820 Table of contents
Endress+Hauser 3
Table of contents
1 About this document ........... 4
1.1 Warnings ........................... 4
1.2 Document function ................... 4
1.3 Symbols ............................ 4
2 Basic safety instructions ....... 6
2.1 Requirements for personnel ........... 6
2.2 Designated use ...................... 6
2.3 Workplace safety .................... 6
2.4 Operational safety ................... 6
2.5 Product safety ....................... 7
3 Product description ............. 8
4 Incoming acceptance and
product identification .......... 9
4.1 Incoming acceptance ................. 9
4.2 Product identification ................. 9
4.3 Scope of delivery .................... 10
5 Certificates and approvals .... 10
5.1  mark ........................... 10
5.2 EAC .............................. 10
6 Installation .................... 11
6.1 Installation conditions ............... 11
6.2 Mounting the sample preparation
system ............................ 14
6.3 Mounting the ceramic filter in the
process ............................ 19
6.4 Mounting the plate filter in the
process ............................ 24
6.5 Connecting external compressed air ....24
6.6 Post-installation check ............... 25
7 Electrical connection .......... 26
7.1 Version with Memosens technology ... 26
7.2 Time-controlled version .............. 27
7.3 Connecting cables and hoses .......... 27
7.4 Structure of the spiral hose ........... 29
8 Operation options ............. 30
8.1 Version with Memosens technology ... 30
8.2 Time-controlled version .............. 30
9 Commissioning ................ 31
9.1 Function check ..................... 31
10 Operation ...................... 32
10.1 Setup of version with Memosens
technology ......................... 32
10.2 Setup of version with time control ..... 32
11 Diagnostics and
troubleshooting ............... 34
12 Maintenance .................. 35
12.1 Maintenance schedule ............... 35
12.2 Maintenance tasks .................. 35
12.3 Replacing the pump hose and pump
head .............................. 37
12.4 Replacing the ceramic filter ........... 38
12.5 Replacing the plate filter ............. 38
13 Repair .......................... 39
13.1 Spare parts ........................ 39
13.2 Return ............................ 41
13.3 Disposal ........................... 41
14 Accessories .................... 42
14.1 Cleaner for hoses and filter CY820 ..... 42
15 Technical data ................. 43
15.1 Temperature inputs ................. 43
15.2 Power supply ....................... 43
15.3 Performance characteristics .......... 44
15.4 Environment ....................... 45
15.5 Process ............................ 45
15.6 Mechanical construction ............. 46
Index ................................. 49

About this document Liquiline System CAT820
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1 About this document
1.1 Warnings
Structure of information Meaning
LDANGER
Causes (/consequences)
If necessary, Consequences of non-
compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation will result in a fatal or serious injury.
LWARNING
Causes (/consequences)
If necessary, Consequences of non-
compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation can result in a fatal or serious injury.
LCAUTION
Causes (/consequences)
If necessary, Consequences of non-
compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid this situation can result in minor or more serious injuries.
NOTICE
Cause/situation
If necessary, Consequences of non-
compliance (if applicable)
‣Action/note
This symbol alerts you to situations which may result in damage to property.
1.2 Document function
These Operating Instructions contain all the information that is required in various phases of
the life cycle of the device: from product identification, incoming acceptance and storage, to
mounting, connection, operation and commissioning through to troubleshooting,
maintenance and disposal.
1.3 Symbols
Additional information, tips
Permitted or recommended
Not permitted or not recommended
Reference to device documentation
Reference to page
Reference to graphic
 Result of a step
1.3.1 Symbols on the device
Reference to device documentation

Liquiline System CAT820 About this document
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Do not dispose of products bearing this marking as unsorted municipal waste. Instead, return them to the
manufacturer for disposal under the applicable conditions.

Basic safety instructions Liquiline System CAT820
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2 Basic safety instructions
2.1 Requirements for personnel
• Installation, commissioning, operation and maintenance of the measuring system may be
carried out only by specially trained technical personnel.
• The technical personnel must be authorized by the plant operator to carry out the specified
activities.
• The electrical connection may be performed only by an electrical technician.
• The technical personnel must have read and understood these Operating Instructions and
must follow the instructions contained therein.
• Faults at the measuring point may only be rectified by authorized and specially trained
personnel.
Repairs not described in the Operating Instructions provided must be carried out only
directly at the manufacturer's site or by the service organization.
2.2 Designated use
The Liquiline System CAT820 sample preparation system is designed to automatically supply
process measuring devices with filtered sample from sludge activation, secondary clarification
or surface water.
Use of the device for any purpose other than that described, poses a threat to the safety of
people and of the entire measuring system and is therefore not permitted. The manufacturer
is not liable for damage caused by improper or non-designated use.
2.3 Workplace safety
As the user, you are responsible for complying with the following safety conditions:
• Installation guidelines
• Local standards and regulations
Electromagnetic compatibility
• The product has been tested for electromagnetic compatibility in accordance with the
applicable international standards for industrial applications.
• The electromagnetic compatibility indicated applies only to a product that has been
connected in accordance with these Operating Instructions.
2.4 Operational safety
Before commissioning the entire measuring point:
1. Verify that all connections are correct.
2. Ensure that electrical cables and hose connections are undamaged.
3. Do not operate damaged products, and protect them against unintentional operation.
4. Label damaged products as defective.

Liquiline System CAT820 Basic safety instructions
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During operation:
‣If faults cannot be rectified:
products must be taken out of service and protected against unintentional operation.
2.5 Product safety
2.5.1 State-of-the-art technology
The product is designed to meet state-of-the-art safety requirements, has been tested, and
left the factory in a condition in which it is safe to operate. The relevant regulations and
international standards have been observed.

Product description Liquiline System CAT820
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3 Product description
A complete sampling unit comprises:
• Liquiline System CAT820 sample preparation system
• Controller with soft keys and status LEDs
• Peristaltic pump
• Filter unit with filter and assembly in the configuration ordered
• Flexdip CYH112 holder for mounting (must be ordered separately)
• Compressed air cleaning (optional) for longer filter maintenance intervals
• Sample hose, filter to pump in the configuration ordered
• Sample hose, pump to analyzer in the configuration ordered
• Cleaner (must be ordered separately)
1
2
3
4
5
6
A0046022
 1 CAT820 open
1 Carrier board
2 Cleaning valve (optional, identifiable by the additional hose fittings)
3 Peristaltic pump
4 Protective cover
5 Soft keys
6 Status LEDs

Liquiline System CAT820 Incoming acceptance and product identification
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4 Incoming acceptance and product identification
4.1 Incoming acceptance
1. Verify that the packaging is undamaged.
 Notify the supplier of any damage to the packaging.
Keep the damaged packaging until the issue has been resolved.
2. Verify that the contents are undamaged.
 Notify the supplier of any damage to the delivery contents.
Keep the damaged goods until the issue has been resolved.
3. Check that the delivery is complete and nothing is missing.
 Compare the shipping documents with your order.
4. Pack the product for storage and transportation in such a way that it is protected
against impact and moisture.
 The original packaging offers the best protection.
Make sure to comply with the permitted ambient conditions.
If you have any questions, please contact your supplier or your local Sales Center.
4.2 Product identification
4.2.1 Nameplate
The nameplate provides you with the following information on your device:
• Manufacturer identification
• Order code
• Serial number
• Power supply
• Degree of protection
• Ambient and process conditions
‣Compare the information on the nameplate with the order.
4.2.2 Product identification
Product page
www.endress.com/cat820
Interpreting the order code
The order code and serial number of your product can be found in the following locations:
• On the nameplate
• In the delivery papers
Obtaining information on the product
1. Go to www.endress.com.
2. Call up the site search (magnifying glass).

Certificates and approvals Liquiline System CAT820
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3. Enter a valid serial number.
4. Search.
 The product structure is displayed in a popup window.
5. Click on the product image in the popup window.
 A new window (Device Viewer) opens. All of the information relating to your
device is displayed in this window as well as the product documentation.
4.3 Scope of delivery
The scope of delivery comprises:
• 1 Liquiline System CAT820 in the version ordered
• 1 copy of the Operating Instructions (in the desired language on selection of the order
option)
• Optional accessories
‣If you have any queries:
Please contact your supplier or local sales center.
5 Certificates and approvals
5.1  mark
The product meets the requirements of the harmonized European standards. As such, it
complies with the legal specifications of the EU directives. The manufacturer confirms
successful testing of the product by affixing to it the  mark.
5.2 EAC
The product has been certified according to guidelines TP TC 004/2011 and TP TC 020/2011
which apply in the European Economic Area (EEA). The EAC conformity mark is affixed to the
product.