Cleanliness; Table 2-1 Temperature And Humidity Requirements In The Equipment Room; Table 2-2 Limit To The Content Of Dust In An Equipment Room; Table 2-3 Limits Of Harmful Gases In The Equipment Room - H3C SecPath F100-C Installation Manual

Installation Manual
H3C SecPath F100-C Firewall
Table 2-1 Temperature and humidity requirements in the
equipment room
Temperature
0°C to 40°C (32°F to 104°F)

2.1.2 Cleanliness

The equipment room must be free of explosion hazards and the
electrical and magnetic conductible dust as well. The contents of the
dust must be limited as shown in the following table:

Table 2-2 Limit to the content of dust in an equipment room

Substance
Dust
Note: Diameter of a dust particle ≥ 5μm
Besides the dust, there are rigorous limits on the harmful gases
that can accelerate the erosion and aging of metals, such as salts,
acids, and sulfides, as shown in the following table.

Table 2-3 Limits of harmful gases in the equipment room

SO
2
H S
2
Particle/m³
Gas
Chapter 2 Preparing for Installation
Relative Humidity
10% to 90%
Unit
≤ 3 X 10
(No visible dust on
the table top for
three days)
Maximum (mg/m
0.2
0.006
2-2
Content
4
3
)