English (GB)
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1.5 Symbols on the product
All signs and symbols on the product must be observed and
maintained legible.
Observe also the manuals for built-in components.
1.6 Abbreviations
2. Safety instructions
Non-observance of the safety instructions may have dangerous
consequences for persons, the environment and the product.
2.1 Working with chemicals
2.1.1 Personal protective equipment
Due to the variety of hazardous chemicals, any information
provided in this section is only general. We recommend to follow
good practice when handling chemicals, to use personal
protective equipment such as ventilated, enclosed goggles, face
shields, chemical aprons, boots and gloves, and to install an eye
shower.
2.1.2 Sodium hypochlorite solution
The concentration of the sodium hypochlorite (NaClO) solution
produced by the Selcoperm electrolysis system is below 1 %.
• If splashed onto skin, wash off with fresh water. Remove all
affected clothing.
• If the eyes are affected, rinse them immediately using an
approved eye shower or fresh running water for at least 15
minutes, keeping the eyelid open and rotating the eye. Seek
medical treatment immediately.
• If swallowed, do not induce vomiting. Keep the patient warm
and quiet and seek immediate medical help. If the patient
stops breathing, apply rescue breaths and cardiopulmonary
resuscitation as necessary, until medical help arrives.
Warning notices advising users of the possible dangers should be
prominently displayed wherever sodium hypochlorite is stored,
generated or handled.
2.1.3 Hydrogen gas
The electrolytic process of converting brine into sodium
hypochlorite (NaClO) solution generates hydrogen gas, which is
diluted and lead to a safe external discharge point by means of
forced ventilation. The degassing and storage tank as well as all
vent piping should be regularly checked to ensure that no gas
leakages occur.
Hydrogen is an explosive gas and lighter than air. When liberated
in a room, hydrogen accumulates beneath the ceiling. Ensure
natural ventilation at a high and a low level in the room where the
electrolyser is installed.
A sign that prohibits smoking and naked flames must be
displayed in the room and at the point of discharge to the exterior.
A gas warning system for hydrogen must be installed at the
installation location to stop the Selcoperm electrolysis system in
case of a build-up of hydrogen gas. This avoids the situation of a
user working in a potentially explosive environment.
This symbol indicates a danger of electric shock.
This symbol indicates a potentially explosive
atmosphere (ATEX zone).
This symbol indicates explosion-proof products.
Abbrevi
ation
Text
Description
LEL
Lower
Explosive Limit
The lowest concentration
(percentage) of a gas in air capable
of producing a flash of fire in
presence of an ignition source.
NaClO
Sodium
hypochlorite
The disinfectant produced by the
Selcoperm system is a sodium
hypochlorite solution.
PLC
Programmable
Logic
Controller
A PLC is a digital computer used for
automation of typical industrial
electromechanical processes.
WARNING
Chemical hazard
Death or serious personal injury
- Wear the stipulated personal protective equipment
(protective clothing, goggles, respirator etc.) when
handling chemicals.
- Observe the chemical manufacturer's safety data
sheets (MSDS) and safety instructions of the used
chemicals.
Make sure, that parts in contact with the chemicals
are resistant to the chemicals under operating
conditions.
If you have questions regarding the material
resistance, please contact Grundfos.
Make sure, that leaking chemicals do not cause
personal injury or damage to property.
The installation of leak monitoring equipment and
drip trays is recommended.
CAUTION
Corrosive substance
Minor or moderate personal injury
- Sodium hypochlorite is alkaline and causes
oxidisation and bleaching. It is corrosive and can
cause damage to skin or clothing.
- Always wear protective clothing and goggles when
handling chemicals.
WARNING
Chemical hazard
Death or serious personal injury
If acid is mixed with sodium hypochlorite solution,
highly hazardous chlorine gas is released.
- Keep acid away from the sodium hypochlorite
solution and the degassing and storage tank.
- Display a warning notice locally.
WARNING
Danger of explosion
Death or serious personal injury
- When checking the system for gas leakages, use
hydrogen detectors. Do not use a match or a
flame.
