Siemens SED2 Operations Instructions Page 11

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Siemens Building Technologies SED2 variable speed drives CM1U5192en
HVAC Products Safety instructions 01.2002
2 Safety instructions
The following warnings and notes on danger are provided for your safety and as a
means of preventing damage to the product or to any components of the connected
machinery. This section contains general warnings, preventive measures, and danger
warnings, which apply to all work on the SED2 variable speed drives. Specific warnings
applicable to particular tasks are summarized at the beginning of each chapter and
repeated throughout the chapter as necessary at the relevant points.
Please read this information carefully, as it is provided for your personal safety,
and to help extend the life of the SED2 variable speed drive and any equipment
connected to it.
Refer to section 1.6 Document conventions for information on the format of warning
notes and associated symbols.
2.1 General
This equipment uses hazardous voltages and drives potentially dangerous rotating
mechanical parts. Non-compliance with warnings or failure to follow the
instructions in this manual may put lives at risk, or result in severe physical injury,
or serious damage to property/equipment.
Only authorized personnel may work on this equipment. They must first acquaint
themselves with all the safety instructions, and installation and operating
instructions in this manual. Successful and safe operation of this device depends
on its proper handling, installation, commissioning, and operation.
Prevent children and other unauthorized persons from accessing the equipment.
The DC link capacitors remain charged with dangerous voltages for five minutes after
power has been switched off.
Do not open the device for five minutes after switching off the supply voltage.
Use the equipment only for purposes as specified by the manufacturer. Unauthorized
modifications and use of spare parts or accessories not supplied or recommended by
the manufacturer of this equipment may cause fires, electric shock, and physical injury.
Keep these operating instructions within easy reach of the equipment and make them
available to all users.
2.2 Commissioning
Only authorized personnel trained in the setup, installation, commissioning, and
operation of the product may work on the product and plant.
Only hard-wired mains connections are permissible. Ground the VSD (IEC 536,
Class 1, NEC and other relevant industry standards).
If a residual current device (RCD) is to be used, it must be a type B device.
Do not connect machines with a 3-phase power supply fitted with EMC filters to the
mains via an earth leakage current circuit breaker (ELCB) (see DIN VDE 0160,
section 6.5).
Format of warnings
Warning
Risk of electric shock
Danger
Purpose
Availability of the
operating instructions
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