Hazard level
Indication
CAUTION:
A hazardous situation which, if not avoided, could result
in minor or moderate injury
NOTICE:
Notices are used when there is a risk of equipment
damage or decreased performance, but not personal
injury.
Special symbols
Some hazard categories have specific symbols, as shown in the following table.
Electrical Hazard
Permanent-magnet hazard
Electrical Hazard:
CAUTION:
User safety
All regulations, codes, and health and safety directives must be observed.
The site
• Observe lockout/tagout procedures before starting work on the product, such as
transportation, installation, maintenance, or service.
• Pay attention to the risks presented by gas and vapors in the work area.
• Always be aware of the area surrounding the equipment, and any hazards posed by
the site or nearby equipment.
Qualified personnel
This product must be installed, operated, and maintained by qualified personnel only.
Protective equipment and safety devices
• Use personal protective equipment as needed. Examples of personal protective
equipment include, but are not limited to, hard hats, safety goggles, protective gloves
and shoes, and breathing equipment.
• Make sure that all safety features on the product are functioning and in use at all times
when the unit is being operated.
Special hazards
Confined spaces
DANGER: Inhalation Hazard
The chamber or tank where the equipment is installed should be treated as a confined
space. Always follow the applicable safety laws, regulations and guidelines for confined
spaces.
Never work alone in a confined space. Before entering the space, check that the following
requirements are complied with:
• The atmosphere contains sufficient oxygen
• The atmosphere contains no explosive or toxic gases
• All energy sources are locked out and tagged out
• Adequate ventilation is in place
• There is a clear path of retreat
Introduction and Safety
Flygt jet aerator JA 112, JA 117, JA 217, JA 317 Installation, Operation, and Maintenance Manual
3
