Requirements For Corrosive Gases - Huawei AP8082DN Hardware Installation And Maintenance Manual

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AP8082DN and AP8182DN
Hardware Installation and Maintenance Guide
The equipment room must be free from explosive, conductive, magnetically-permeable, and
corrosive dust.
Table 6-16 Requirements for dust particles in the equipment room
Mechanical active
material
Dust particle
Suspending dust
Precipitable dust
Description
l Dust particle diameter ≥ 5 µm
l Suspending dust diameter ≤ 75 µm
l 75 µm ≤ precipitable dust diameter ≤ 150 µm
Take the following measures to meet the requirements:
l
l
l
l

6.2.1.5 Requirements for Corrosive Gases

The room should be free from dusts and corrosive gases, such as SO
6-17
Table 6-17 Requirements for corrosive gas concentration
Chemical active
material
SO
H
NO
NH
Cl
HCl
Issue 03 (2019-04-01)
Table 6-16
Use dustproof materials for ground, wall, and ceiling construction.
Use screens on the door and windows facing outside. The outer windows should be dust-
proof.
Clean the equipment room regularly and clean the air filter monthly.
Wear shoe covers and ESD clothing before entering the equipment room.
lists the requirements for the corrosive gas concentration.
Unit
mg/m
2
S
mg/m
2
mg/m
x
mg/m
3
mg/m
2
mg/m
Copyright © Huawei Technologies Co., Ltd.
lists the requirement for dust concentration in the equipment room.
Unit
3
Particle /m
3
mg/m
2
mg/m
·h
Concentration
≤0.30
3
3
≤0.10
≤0.50
3
3
≤1.00
≤0.10
3
3
≤0.10
6 Appendix
Concentration
4
≤ 3x 10
(no visible dust accumulated
on a workbench in three
days)
≤0.2
≤1.5
, H
S, and NH
.
Table
2
2
3
134

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