Grundfos Vaccuperm VGA-146 Montage- Und Betriebsanleitung Seite 4

English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
1. Of general interest
1.1 Structure of the documentation
1.2 About this manual
1.3 User/target groups
1.3.1 Responsibilities of the users
1.4 Responsibilities of the operator
1.5 Maintenance and service personnel
1.6 Correct usage
1.7 Inappropriate usage
2. Handling chlorine
2.1 Physical and chemical data
2.2 Safety advice for handling chlorine
2.2.1 Risks to health
2.2.2 Personal safety equipment
2.2.3 Rules of conduct
2.2.4 First aid in case of accidents
2.2.5 Transport and storage of chlorine
2.2.6 Pressure vessels and mountings
2.2.7 Chlorine extraction
2.3 Checking the tightness
2.3.1 Checking the chlorine solution lines and the diaphragm
non-return of the injector
2.3.2 Checking the tightness of the vacuum lines
2.3.3 Checking the tightness of pressure gas lines
2.4 Constructional requirements of chlorination plants
2.5 Principle function of the components
2.5.1 Vacuum regulator
2.5.2 Measuring tube
2.5.3 Rate valve
2.5.4 Differential pressure regulator (Option: VGA-117)
2.5.5 Vacuummeter (Option: VGA-117)
2.5.6 Injector
2.6 List of valid laws and regulations
2.7 Recommended diameter
2.7.1 Between vacuum regulator and dosing regulator
2.7.2 Between dosing regulator and injector
3. Technical Data
3.1 Type key VGA-146
3.2 General Data
3.2.1 Pressure connection
3.2.2 Liquid trap (with heating)
3.2.3 Pressure gauge (limit contact for minimal admission
pressure)
3.2.4 Accessories (not including)
3.3 Dimensioned drawings
3.3.1 Design with liquid trap
3.3.2 Design with mounting plate
4. Installation
4.1 Transport and storage
4.2 Unpacking
4.3 Mounting
5. Commissioning
5.1 Preparations for commissioning
5.1.1 Vacuum connections
5.1.2 Pressure line connection
5.1.3 Electrical connections
5.2 Checks before commissioning
5.2.1 Checking the tightness of pressure gas lines
5.2.2 Checking the tightness with nitrogen
5.2.3 Checking the tightness with ammonia
6. Operation
6.1 Function
6.2 Display Elements
6.3 Operating
6.4 Possible faults
7. Maintenance
8. Disposal
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Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
Page
must comply with local regulations and accepted
codes of good practice.
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1. Of general interest
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1.1 Structure of the documentation
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The Grundfos dosing regulator VGA-146 is a state-of-the-art
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solution, which complies with recognised safety regulations.
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Conformity with applicable standards, directives and laws has
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been verified.
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Nevertheless, certain risks which cannot be prevented by the
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manufacturer are associated with the use of the system.
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Purpose of this manual:
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• Inform users of optimum use.
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• Warn users of possible residual risks when using correctly and
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identify measures that should be taken to avoid damage.
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• Caution users against obvious misuse or inappropriate use
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and inform them of the necessary care that must be taken
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when operating the system.
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1.2 About this manual
This manual contains the following standardised safety
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instructions about possible residual risks:
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Warning
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If these safety instructions are not observed, it may
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If these safety instructions are not observed, it may
Caution
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result in malfunction or damage to the equipment.
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10 Notes or instructions that make the job easier and
Note
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ensure safe operation.
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Information about possible residual risks is provided:
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• On warning signs displayed in the installation location.
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• At the start of each section in this manual.
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• Directly before any operating procedures that could involve
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residual risks.
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1.3 User/target groups
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Users are persons who are responsible for operating and
monitoring the device VGA-146 at the installation location. The
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system may only be operated by trained and qualified personnel.
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Personnel must have appropriate technical knowledge and be
familiar with the basic principles of measuring and control
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technology.
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1.3.1 Responsibilities of the users
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The users' responsibilities:
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• Read this manual before operating the VGA-146.
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• Be trained by qualified personnel from Grundfos in the
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operation of the system.
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• Observe the recognised regulations governing safety in the
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workplace and accident prevention.
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• Wear appropriate protective clothing in accordance with
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17 national regulations for the prevention of accidents when
operating the system and handling chemicals (German
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GUV-V D05).
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