Grundfos Vaccuperm VGS-147 - 1 Of General Interest; Table of Contents; About this Manual; Responsibilities of the Users

English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
Page
1. Of general interest
1.1 Structure of the documentation
The Grundfos vacuum regulator VGS-147 / VGS-148 is a state-
of-the-art solution, which complies with recognised safety
regulations.
Conformity with applicable standards, directives and laws has
been verified.
Nevertheless, certain risks which cannot be prevented by the
manufacturer are associated with the use of the system.
Purpose of this manual:
• Inform users of optimum use.
• Warn users of possible residual risks when using correctly and
identify measures that should be taken to avoid damage.
• Caution users against obvious misuse or inappropriate use
and inform them of the necessary care that must be taken
when operating the system.
1.2 About this manual
This manual contains the following standardised safety
instructions about possible residual risks:
Information about possible residual risks is provided:
• On warning signs displayed in the installation location.
• At the start of each section in this manual.
• Directly before any operating procedures that could involve
residual risks.
1.3 User/target groups
Users are persons who are responsible for operating and
monitoring the vacuum regulator VGS-147 / VGS-148 at the
installation location. The system may only be operated by trained
and qualified personnel. Personnel must have appropriate
technical knowledge and be familiar with the basic principles of
measuring and control technology.
1.3.1 Responsibilities of the users
The users’ responsibilities:
• Read this manual before operating the VGS-147 / VGS-148.
• Be trained by qualified personnel from Grundfos in the
operation of the system.
• Observe the recognised regulations governing safety in the
workplace and accident prevention.
• Wear appropriate protective clothing in accordance with
national regulations for the prevention of accidents when
operating the system and handling chemicals (German
GUV-V D05).
1. Of general interest
2
1.1 Structure of the documentation
2
1.2 About this manual
2
1.3 User/target groups
2
1.3.1 Responsibilities of the users
2
1.4 Responsibilities of the operator
3
1.5 Maintenance and service personnel
3
1.6 Correct usage
3
1.7 Inappropriate usage
3
2. Handling chlorine
3
2.1 Physical and chemical data
3
2.2 Safety advice for handling chlorine
4
2.2.1 Risks to health
4
2.2.2 Personal safety equipment
4
2.2.3 Rules of conduct
4
2.2.4 First aid in case of accidents
4
2.2.5 Transport and storage of chlorine
4
2.2.6 Pressure vessels and mountings
5
2.2.7 Chlorine extraction
6
2.3 Checking the tightness
6
2.3.1 Checking the chlorine solution lines and the diaphragm
non-return of the injector
6
2.3.2 Checking the tightness of the vacuum lines
6
2.3.3 Checking the tightness of pressure gas lines
6
2.4 Constructional requirements of chlorination plants
7
2.5 Principle function of the components
8
2.5.1 Vacuum regulator
8
2.5.2 Measuring tube
8
2.5.3 Rate valve
8
2.5.4 Differential pressure regulator (Option: VGA-117)
8
2.5.5 Vacuummeter (Option: VGA-117)
8
2.5.6 Injector
8
2.6 List of valid laws and regulations
9
2.7 Recommended diameter
10
2.7.1 Between vacuum regulator and dosing regulator
10
2.7.2 Between dosing regulator and injector
10
3. Technical Data
11
3.1 General Data
11
3.1.1 Pressure connection
11
3.1.2 Flow range
11
3.1.3 Admission pressure
11
3.1.4 Accessories (not including)
11
3.2 Dimensioned drawings
12
3.2.1 Vacuum regulator VGS-147
12
3.2.2 Vacuum regulator VGS-148
12
4. Installation
13
4.1 Transport and storage
13
4.2 Unpacking
13
4.3 Mounting
13
4.3.1 Requirements for mounting
13
4.3.2 Pressure line connection
13
4.3.3 Without connection set
13
4.3.4 Vacuum line connection
14
4.3.5 Overpressure line connection
14
5. Commissioning
14
5.1 Preparations for commissioning
14
5.1.1 Vacuum connections
14
5.1.2 Pressure line connection
14
5.1.3 Electrical connections
14
5.2 Checks before commissioning
15
5.2.1 Checking the tightness of pressure gas lines
15
5.2.2 Checking the tightness with nitrogen
15
5.2.3 Checking the tightness with ammonia
15
6. Operation
15
6.1 Function
15
6.2 Display Elements
15
6.3 Operating
15
6.4 Possible faults
16
7. Maintenance
16
8. Disposal
16
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!
Caution
If these safety instructions are not observed, it may
result in malfunction or damage to the equipment!
Note
Notes or instructions that make the job easier and
ensure safe operation.