13/08/2013 PM 9845 0187 01 Page 5 of 24
6. Safety Precautions
6.1. Safety icons
Danger for life
Warning
Important note
6.2. Safety precautions during installation
All responsibility for any damage or injury resulting from neglecting these precautions, or non-observance
of the normal caution and care required for installation, operation, maintenance and repair, even if not
expressly stated, will be disclaimed by the manufacturer.
General precautions
1. The operator must employ safe working practices and observe all related work safety requirements and regulations.
2. If any of the following statements does not comply with the applicable legislation, the stricter of the two shall apply.
3. Installation, operation, maintenance and repair work must only be performed by authorised, trained, specialised
personnel.
4. Before carrying out any maintenance, repair work, adjustment or any other non-routine checks, stop the device. In
addition, the power isolating switch must be opened and locked.
Precautions during installation
1. Place the device where the ambient air is as cool and clean as possible.
2. During installation or any other intervention on one of the connected machines, the machine must be stopped, de-
energized and the isolating switch opened and locked before any maintenance or repair. As a further safeguard,
persons switching on remotely controlled machines shall take adequate precautions to ensure that there is no one
checking or working on the machine. To this end, a suitable notice shall be affixed to the start equipment.
3. The electrical connections must correspond to the local codes. The device must be earthed and protected against short
circuits by fuses in all phases. A lockable power isolating switch must be installed near the device.
4. For machines controlled by a central control system, a sign stating "This machine may start without warning" must be
affixed near the instrument panel.
5. In multiple compressor systems, manual valves must be installed to isolate each compressor. Non return valves (check
valves) must not be relied upon for isolating pressure systems.
6. Never remove or tamper with the safety devices.
Also consult following safety precautions: Safety precautions during operation and Safety
precautions during maintenance or repair.
These precautions apply to electrical devices.
For precautions applying to the connected equipment consult the relevant instruction book.
Some precautions are general and cover several machine types and equipment; hence some
statements may not apply to your device.
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