User/Target Groups; Responsibilities Of The Users; Responsibilities Of The Operator; Maintenance And Service Personnel - Grundfos VGA-113-110 Instrucciones De Instalación Y Operación

1.3 User/target groups

Users are persons who are responsible for operating and
monitoring the device VGA-113 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-113.
• 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).

1.4 Responsibilities of the operator

The owner of the building or operator of the VGA-113 is
responsible for the following:
• Consider this manual to be part of the product and ensure that
it is kept clearly accessible in the immediate vicinity of the
system for the entire service life of the system.
• Meet the installation requirements specified by the
manufacturer (required water connections and fittings,
environmental conditions, electrical connection, protective
pipe for dosing line if necessary, audible or optical warning
device for alarm messages if necessary).
• Ensure that water lines and fixings are regularly checked,
serviced and maintained.
• Obtain official approval for storing chemicals, if necessary.
• Train users in the operation of the system.
• Ensure that the regulations for the prevention of accidents are
observed in the installation location (German GUV-V D05
regulation for the prevention of accidents, "Chlorination of
Water" dated January 1997).
• Provide all users and service personnel with protective
clothing in accordance with GUV-V D05 (face mask, gloves,
protective apron).

1.5 Maintenance and service personnel

The system may only be maintained and serviced by authorised
service personnel from Grundfos Alldos.

1.6 Correct usage

The Grundfos Alldos VGA-113 may be used for dosing chlorine,
Cl , as being described in this manual.
2

1.7 Inappropriate usage

Applications other than those listed in section
are considered not to be in accordance with the intended use and
are not permitted. The manufacturer, Grundfos Alldos, accepts no
liability for any damage resulting from incorrect use.
The system comprises state-of-the-art components and has
undergone safety-related testing.
Warning
Unauthorised structural modifications to the system
may result in serious damage to equipment and
personal injury.
It is forbidden to open, modify, change the structure
of, bridge, remove, bypass or disable components,
especially safety equipment.

2. Handling chlorine

2.1 Physical and chemical data

Under normal conditions of pressure and temperature, chlorine is
a yellowish green gas with a pungent odour. It exists as diatomic
molecule Cl
It is not flammable, but can under certain circumstances promote
the flammability of metals, hydrocarbons etc.
Atomic weight
Molecular weight Cl
Density (liquid)
Density (gaseous)
1 l liquid chlorine at 0 °C
1 kg liquid chlorine at 0 °C
Specific gravity
Boiling point
Melting point
Evaporation heat
Heat conductivity
Degree of purity acc. to DIN
19607
TLV (Threshold Limit Value)
Vapour pressure curve of chlorine
20
16
12
8
4
0
-50
Fig. 1
Solubility of chlorine gas in water
14
10
6
1.6 Correct usage
2
0
Fig. 2
.
2
35,457
70,941
2
1,57 g/cm
3,214 g/l at 0 °C, 1 bar
corresponds to 457 l (0,457 m
gaseous chlorine
corresponds to 311 l (0,311 m
gaseous chlorine
2,486 (specific gravity of air: 1)
- 34,05 °C (1 bar)
- 100,98 °C
269 kJ/kg (at 0 °C)
0,527 kJ/m
99,5 %
1,5 mg/m3 (0,5 Vol.-ppm)
-30 0 10 30
-10
Temperature (°C)
Vapour pressure curve of chlorine
10 30 50
Temperature (°C)
Solubility of chlorine gas in water
3
at -34,05 °C
3
)
3
)
2
h (liquid chlorine)
50 70
70 90
5