Operating Safety - Huawei NetCol5000-A User Manual

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
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Figure 1-1 Transportation gradient
Welding Hazard
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1.4 Operating Safety

High Temperature and High Pressure
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Refrigerant Hazard
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Issue 01 (2017-07-27)
Move the equipment close to the installation site before unpacking. Unpack the
equipment with caution to avoid scratching or bumping it. Unload the equipment from
the pallet immediately before installation.
At least two persons are required at the welding site.
The welder must have the required licenses for welding.
No flammable materials are allowed in the welding area.
Ensure that fire extinguisher, wet cloth, and water container are available.
Do not place a flaming welding torch on equipment or the ground. To avoid burning
caused by gas leaks, do not put an acetylene and oxygen welding torch inside a metal
container.
Cool down hot pipes immediately after welding them.
Do not weld or cut on pressurized containers or pipes. Disconnect the equipment from
power sources before welding or cutting.
Incorrect operations may cause excessive pressure, which may result in breakage or
exploration of the cooling system.
High-temperature components: compressor, refrigerant pipe, and electric heater.
High-pressure components: compressor and refrigerant pipe.
To avoid frostbite caused by refrigerant leaks, take protective measures such as wearing
antifreeze gloves when handling refrigerant.
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1 Safety Precautions
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