English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Safety instructions
These installation and operating instructions contain all
information important for users of the product:
• technical data
• instructions on installation and use
• safety information.
If you require further information or if any problems arise, which
are not described in detail in this manual, please contact
Grundfos.
1.1 Symbols used in this document
The safety instructions are identified by the following symbols:
1.2 Qualification and training of personnel
The personnel responsible for the installation, operation and
service must be appropriately qualified for these tasks. Areas of
responsibility, levels of authority and the supervision of the
personnel must be precisely defined by the operator. If
necessary, the personnel must be trained appropriately.
1.3 Safe operation
If safe operation is no longer possible, the product must be taken
out of operation and secured against unintentional operation.
This is the case in the following situations:
• If the product is visibly damaged.
• If the product no longer seems operational.
• After long periods of storage under unfavourable conditions.
1.4 Safety instructions for the operator/user
The owner/operations manager of the system is responsible for
training of operating personnel.
1. Safety instructions 2
1.1 Symbols used in this document 2
1.2 Qualification and training of personnel 2
1.3 Safe operation 2
1.4 Safety instructions for the operator/user 2
2. General information 3
2.1 Applications 3
2.2 Improper operating methods 3
2.3 Warranty 3
3. Technical data 3
3.1 Storage and ambient temperatures 3
3.2 Permissible media temperature 3
3.3 Pressure loading valves up to 60 l/h 4
3.3.1 Type key 4
3.3.2 Technical data 5
3.3.3 Dimensional drawings 5
3.4 Pressure loading valves DN 20 6
3.4.1 Technical data 6
3.4.2 Dimensional drawings 6
3.5 Pressure loading valves DN 32 7
3.5.1 Technical data 7
3.5.2 Dimensional drawings 7
3.6 Pressure loading valves DN 50 and DN 65 8
3.6.1 Technical data 8
3.6.2 Dimensional drawings 8
4. Installation 9
4.1 Optimal installation 9
4.2 Connections 9
4.2.1 Installation in the discharge line 9
4.2.2 Installation directly on the pump 9
5. Settings 10
5.1 Setting the opening pressure 10
6. Maintenance 10
6.1 Intervals for cleaning and maintenance 10
6.2 Replacing the diaphragm 10
7. Fault finding 11
8. Spare parts and accessories 11
8.1 Adapter for installation directly on the pump (up to
60 l/h) 11
8.2 Spare parts for pressure loading valves up to 60 l/h 11
8.3 Set of counter flanges for pressure loading valves
DN 32 and DN 65 11
8.4 Spare parts for pressure loading valves > 60 l/h 12
9. Disposal 12
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Warning
If these safety instructions are not observed,
it may result in personal injury.
If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment.
Notes or instructions that make the job easier
and ensure safe operation.
Warning
When working with chemicals, the accident
prevention regulations applicable at the
installation site must be applied!
Observe the chemical manufacturer's safety data
sheets when handling chemicals!
Warning
When working on the product, or connections
and lines, always wear protective clothing
(e.g. safety goggles and gloves)!
The system must be unpressurised!
Only operate the system if all lines are connected
correctly!
Warning
The chemical resistance of the parts that come
into contact with the dosing medium depends on
the medium, media temperature and operating
pressure!
Ensure that all parts in contact with the medium
are resistant to the medium under operating
conditions!
