User guide

Safety requirements 3–3
Hitachi Unified Storage VM Block Module Hardware User Guide
• Do not use ungrounded power cables.
• Keep the area clear and dust-free during and after installation.
• Do not block or cover equipment openings. Ensure that all equipment
has adequate airflow. Failure to follow these guidelines can cause
overheating and affect the system reliability.
• If you notice unusual heat generation, odors, or smoke emission, shut
off the power feed to the equipment and contact a maintenance
engineer. Leaving such conditions unattended may result in hazardous
physical conditions and equipment failure.
• The rack is equipped with casters so that you can move it short distances
to position it for final installation. Use enough personnel when moving a
rack, especially on sloping loading docks and ramps to a raised computer
room floor. Move the cabinet slowly and deliberately, and make sure that
the floor is free from foreign objects and cables that the cabinet could
roll over.
Warning about moving parts
Even though customers do not install or maintain equipment, these
guidelines are provided to prevent possible injury when working with
authorized service personnel. Observe the following warning related to
moving parts:
• Tuck in any loose clothing so that it cannot be caught by a moving or
rotating part such as a fan.
• Tie up long hair.
• Unless otherwise specifically instructed, do not supply power to any
device that contains rotating or moving parts that are not properly
covered.
Electrical safety guidelines
Even though customers do not install or maintain equipment, these
guidelines are provided to prevent possible injury when working with
authorized service personnel in the area where equipment is installed.
Observe the following electrical safety guidelines:
• Disconnect all power before installation, deinstallation, or moving
equipment.
• Ensure that the voltage and frequency of your power source match the
voltage and frequency required by the system.
• All equipment should be properly grounded for proper operation and
safety. To reduce the risk of electric shock or damage to equipment,
follow proper grounding procedures.
WARNING: To avoid injury, wear protective footwear when moving
equipment.