HP ProLiant DL388e HP ProLiant DL388e Gen8 Server User Guide - Page 29

Server warnings and cautions

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WARNING: To reduce the risk of electric shock or energy hazards: • This equipment must be installed by trained service personnel, as defined by the NEC and IEC 60950-1, Second Edition, the standard for Safety of Information Technology Equipment. • Connect the equipment to a reliably grounded SELV source. An SELV source is a secondary circuit that is designed so normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current). • The branch circuit overcurrent protection must be rated 20A. WARNING: When installing a DC power supply, the ground wire must be connected before the positive or negative leads. WARNING: Remove power from the power supply before performing any installation steps or maintenance on the power supply. CAUTION: The server equipment connects the earthed conductor of the DC supply circuit to the earthing conductor at the equipment. For more information, see the HP 750W Common Slot -48V DC Input Hot-Plug Power Supply Kit Installation Instructions. CAUTION: If the DC connection exists between the earthed conductor of the DC supply circuit and the earthing conductor at the server equipment, the following conditions must be met: • This equipment must be connected directly to the DC supply system earthing electrode conductor or to a bonding jumper from an earthing terminal bar or bus to which the DC supply system earthing electrode conductor is connected. • This equipment should be located in the same immediate area (such as adjacent cabinets) as any other equipment that has a connection between the earthed conductor of the same DC supply circuit and the earthing conductor, and also the point of earthing of the DC system. The DC system should be earthed elsewhere. • The DC supply source is to be located within the same premises as the equipment. • Switching or disconnecting devices should not be in the earthed circuit conductor between the DC source and the point of connection of the earthing electrode conductor. To connect a DC power cable to a DC power source: 1. Cut the DC power cord ends no shorter than 150 cm (59.06 in). 2. If the power source requires ring tongues, use a crimping tool to install the ring tongues on the power cord wires. IMPORTANT: The ring tongues must be UL approved and accommodate 12 gauge wires. IMPORTANT: The minimum nominal thread diameter of a pillar or stud type terminal must be 3.5 mm (0.138 in); the diameter of a screw type terminal must be 4.0 mm (0.157 in). 3. Stack each same-colored pair of wires and then attach them to the same power source. The power cord consists of three wires (black, red, and green). For more information, see the HP 750W Common Slot -48V DC Input Hot-Plug Power Supply Installation Instructions. Server warnings and cautions Setup 29

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Setup 29
WARNING:
To reduce the risk of electric shock or energy hazards:
•
This equipment must be installed by trained service personnel, as defined by the NEC and IEC
60950-1, Second Edition, the standard for Safety of Information Technology Equipment.
•
Connect the equipment to a reliably grounded SELV source. An SELV source is a secondary
circuit that is designed so normal and single fault conditions do not cause the voltages to
exceed a safe level (60 V direct current).
•
The branch circuit overcurrent protection must be rated 20A.
WARNING:
When installing a DC power supply, the ground wire must be connected before the
positive or negative leads.
WARNING:
Remove power from the power supply before performing any installation steps or
maintenance on the power supply.
CAUTION:
The server equipment connects the earthed conductor of the DC supply circuit to the
earthing conductor at the equipment. For more information, see the
HP 750W Common Slot -48V
DC Input Hot-Plug Power Supply Kit Installation Instructions
.
CAUTION:
If the DC connection exists between the earthed conductor of the DC supply circuit and
the earthing conductor at the server equipment, the following conditions must be met:
•
This equipment must be connected directly to the DC supply system earthing electrode
conductor or to a bonding jumper from an earthing terminal bar or bus to which the DC supply
system earthing electrode conductor is connected.
•
This equipment should be located in the same immediate area (such as adjacent cabinets) as
any other equipment that has a connection between the earthed conductor of the same DC
supply circuit and the earthing conductor, and also the point of earthing of the DC system. The
DC system should be earthed elsewhere.
•
The DC supply source is to be located within the same premises as the equipment.
•
Switching or disconnecting devices should not be in the earthed circuit conductor between the
DC source and the point of connection of the earthing electrode conductor.
To connect a DC power cable to a DC power source:
1.
Cut the DC power cord ends no shorter than 150 cm (59.06 in).
2.
If the power source requires ring tongues, use a crimping tool to install the ring tongues on the power
cord wires.
IMPORTANT:
The ring tongues must be UL approved and accommodate 12 gauge wires.
IMPORTANT:
The minimum nominal thread diameter of a pillar or stud type terminal must be 3.5
mm (0.138 in); the diameter of a screw type terminal must be 4.0 mm (0.157 in).
3.
Stack each same-colored pair of wires and then attach them to the same power source. The power cord
consists of three wires (black, red, and green).
For more information, see the
HP 750W Common Slot -48V DC Input Hot-Plug Power Supply Installation
Instructions
.
Server warnings and cautions