Grounding Pre-Fab. Modules - Huawei FusionModule1000A20 Installation Manual

FusionModule1000A20 Prefabricated All-in-One Data
Center
Installation Guide
Follow-up Procedure
After pre-fab. modules are hoisted and installed, verify the installation to ensure normal use of
products and smooth subsequent installation.
Table 4-4 Installation checklist
No.
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2
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4.3 Grounding Pre-fab. Modules

Prerequisites



Context
Ground lugs or ground cables can be used to ground the pre-fab. modules. The requirements
are as follows:


Preparations
Tool: torque wrench
Materials: none
Skill requirement: common technician
Issue 02 (2020-01-15)
Check Item
Bolts and nuts of
twistlocks
Contact between
pre-fab. modules and
bases
Pre-fab. module doors
The pre-fab. modules have been installed.
The grounding positions have been specified.
The grounding requirements have been specified.
Ground lug: use ground lugs made of hot-dip zinc-coated flat steel with a cross-sectional
area of 40 mm x 4 mm, and leave 500 mm of each ground lug out of the concrete
platform.
Ground cable: Use 95 mm
hose.
Copyright © Huawei Technologies Co., Ltd.
Check Method
Partially tighten them
using a wrench.
Observe.
Open and close each
pre-fab. module door
once.
2
ground cables and route them through a plastic-coated metal
4 Installing Pre-fab. Modules
Criteria
Bolts and nuts are tightened.
A pre-fab. module is in close
contact with and evenly
supported by the bases
underneath.
All pre-fab. module doors
can be smoothly opened and
closed.
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