Preliminary Recommendations - WEG CFW-11 User Manual

Safety Instructions

1.3 PRELIMINARY RECOMMENDATIONS

DANGER!
Only trained personnel, with proper qualifications, and familiar with the CFW-11 and associated
machinery shall plan and implent the installation, starting, operation, and maintenance of this
equipment.
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The personnel shall follow all the safety instructions described in this manual and/or defined by the
local regulations.
Failure to comply with the safety instructions may result in death, serious injury, and equipment
damage.
NOTE!
For the purpose of this manual, qualified personnel are those trained and able to:
1. Install, ground, power-up, and operate the CFW-11 according to this manual and to the current
legal safety procedures;
2. Use the protection equipment according to the established regulations;
3. Provide first aid.
DANGER!
Always disconnect the main power supply before touching any electrical device associated with the
inverter.
Several components may remain charged with high voltage and/or in movement (fans), even after
the AC power supply has been disconnected or turned off.
Wait at least 10 minutes to guarantee the fully discharge of capacitors.
Always connect the equipment frame to the ground protection (PE).
ATTENTION!
The electronic boards contain components sensitive to electrostatic discharges. Do not touch the
components and terminals directly. If needed, touch first the grounded metal frame or wear an
adequate ground strap.
Do not perform a withstand voltage test on any part of the inverter!
NOTE!
Frequency inverters may cause interference in other electronic devices. Follow the recommendations
listed in Chapter 3 – Installation and Connection, to minimize these effects.
NOTE!
Fully read this manual before installing or operating the inverter.
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If needed, please, consult WEG.