Grundfos Vaccuperm VGA-146, Инструкция по установке и эксплуатации

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English (GB)
4
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 dosing regulator VGA-146 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 device VGA-146 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 VGA-146.
• 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
4
1.1 Structure of the documentation 4
1.2 About this manual 4
1.3 User/target groups
4
1.3.1 Responsibilities of the users
4
1.4 Responsibilities of the operator 5
1.5 Maintenance and service personnel 5
1.6 Correct usage
5
1.7 Inappropriate usage
5
2. Handling chlorine 5
2.1 Physical and chemical data 5
2.2 Safety advice for handling chlorine
6
2.2.1 Risks to health
6
2.2.2 Personal safety equipment
6
2.2.3 Rules of conduct
6
2.2.4 First aid in case of accidents
6
2.2.5 Transport and storage of chlorine
6
2.2.6 Pressure vessels and mountings
7
2.2.7 Chlorine extraction
8
2.3 Checking the tightness 8
2.3.1 Checking the chlorine solution lines and the diaphragm
non-return of the injector
8
2.3.2 Checking the tightness of the vacuum lines
8
2.3.3 Checking the tightness of pressure gas lines
8
2.4 Constructional requirements of chlorination plants
9
2.5 Principle function of the components 10
2.5.1 Vacuum regulator
10
2.5.2 Measuring tube
10
2.5.3 Rate valve
10
2.5.4 Differential pressure regulator (Option: VGA-117)
10
2.5.5 Vacuummeter (Option: VGA-117)
10
2.5.6 Injector
10
2.6 List of valid laws and regulations 11
2.7 Recommended diameter
12
2.7.1 Between vacuum regulator and dosing regulator
12
2.7.2 Between dosing regulator and injector
12
3. Technical Data 13
3.1 Type key VGA-146 13
3.2 General Data
14
3.2.1 Pressure connection
14
3.2.2 Liquid trap (with heating)
14
3.2.3 Pressure gauge (limit contact for minimal admission
pressure)
14
3.2.4 Accessories (not including)
14
3.3 Dimensioned drawings 15
3.3.1 Design with liquid trap
15
3.3.2 Design with mounting plate
15
4. Installation
16
4.1 Transport and storage 16
4.2 Unpacking 16
4.3 Mounting
16
5. Commissioning 16
5.1 Preparations for commissioning 16
5.1.1 Vacuum connections
16
5.1.2 Pressure line connection
16
5.1.3 Electrical connections
16
5.2 Checks before commissioning
17
5.2.1 Checking the tightness of pressure gas lines
17
5.2.2 Checking the tightness with nitrogen
17
5.2.3 Checking the tightness with ammonia
17
6. Operation 17
6.1 Function 17
6.2 Display Elements 17
6.3 Operating
17
6.4 Possible faults 18
7. Maintenance 18
8. Disposal
18
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.