4
CONTENS
Of general interest
Structure of the documentation
About this manual
User/target groups
1.3.1 Responsibilities of the users
Responsibilities of the operator
Maintenance and service personnel
Correct usage
Inappropriate usage
Handling chlorine
Physical and chemical data
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
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
Constructional requirements of chlorination plants
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
List of valid laws and regulations
Recommended diameter
2.7.1 Between dosing regulator and injector
Technical Data
Type key VGB-103
General data
3.2.1 Dosing Flow
3.2.2 Pressure indication
3.2.3 Pressure connection (inlet)
3.2.4 Accessories (not including)
Dimensioned drawing
Installation
Transport and storage
Unpacking
Typical installation
Mounting
Checking the tightness after changing the cylinder
Commissioning
Preparations for commissioning
5.1.1 Vacuum connections
Checks before commissioning
5.2.1 Checking the gas solution lines and the
non-return diaphragm of the injector
5.2.2 Checking the tightness
5.2.3 Checking the pressure connections
(after changing gas cylinder)
5.2.4 Checking the inlet valve
Operation
Description of the device
Adjusting the dosing flow
6.2.1 Increasing the dosing flow
6.2.2 Decreasing the dosing flow
Reading the dosing flow
Switching on
Switching off
6.5.1 Emergency Stop
6.5.2 Switching off while the system is running
Changing the Gas Cylinder
Possible faults
Maintenance
1. Of general interest
1.1 Structure of the documentation
The Grundfos Alldos device VGB-103 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 VGB-103 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 VGB-103.
•
Be trained by qualified personnel from Grundfos Alldos 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).
Warning
These operating instructions are also available
on www.Grundfosalldos.com.
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.