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FusionPower6000 3.0
User Manual (Not Against a Wall)
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Grounding
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Cabling
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Issue 03 (2023-02-08)
If the equipment has multiple inputs, disconnect all the inputs before
operating the equipment.
Before maintaining a downstream electrical device supply or power
distribution device, turn off the output switch of its power supply equipment.
During equipment maintenance, attach "Do not switch on" labels near the
upstream and downstream switches or circuit breakers as well as warning
signs to prevent accidental connection. The equipment can be powered on
only after troubleshooting is complete.
Before fault diagnosis and troubleshooting, take the following safety
measures: Disconnect the power supply. Measure the power. Install a ground
cable. Hang warning signs and set up fences.
Check equipment connections periodically, ensuring that all screws are
securely tightened.
Only qualified professionals can replace a damaged cable.
Do not scrawl, damage, or block any labels or nameplates on the equipment.
Promptly replace labels that have worn out.
Do not use solvents such as water, alcohol, or oil to clean electrical
components inside or outside of the equipment.
Ensure that the grounding impedance of the equipment complies with local
electrical standards.
Ensure that the equipment is connected permanently to the protective
ground. Before operating the equipment, check its electrical connection to
ensure that it is reliably grounded.
Ensure that the protective ground point of the equipment is reliably
connected to the ground screw of the metal enclosure (connection resistance:
≤ 0.1 ohm).
Ensure that the ground resistance of the system for lightning protection is less
than or equal to 10 ohms.
Do not operate the equipment in the absence of a properly installed ground
conductor.
Do not damage the ground conductor.
For the equipment that uses a three-pin socket, ensure that the ground
terminal in the socket is connected to the protective ground point.
If high touch current may occur on the equipment, ground the protective
ground terminal on the equipment enclosure before connecting the power
supply; otherwise, electric shock as a result of touch current may occur.
When selecting, installing, and routing cables, follow local safety regulations
and rules.
The flame spread rating of cables should meet the UL 1581 VW-1 or IEC
60332-3-22 (ZB) or higher requirements.
When routing power cables, ensure that there is no coiling or twisting. Do not
join or weld power cables. If necessary, use a longer cable.
Copyright © Huawei Digital Power Technologies Co., Ltd.
1 Safety Information
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