OMD10078 rev F
29
Classification of chemically active substances (EN 60721-3-3)
Environmental parameter
Class
3C1R
3C1L 3C1 3C2 3C3 3C4
a) Sea salt
No
No
No
Salt fog
Salt fog
Salt fog
b) Sulphur dioxide
[mg/m
3
]
0,01 0,1 0,1 1,0 10 40
c) Hydrogen sulphide
[mg/m
3
]
0,0015
0,01 0,01 0,5 10 70
d) Chlorine [mg/m
3
]
0,001
0,01 0,1 0,3 1,0 3,0
e) H
ydrochloric acid
[mg/m
3
]
0,001
0,01 0,1 0,5 5,0 5,0
f) H
ydrofluoric acid
[mg/m
3
]
0,001 0,003 0,003 0,03 2,0
2,0
g) Ammonia [mg/m
3
]
0,03 0,3 0,3 3,0 35 175
h) Ozone [mg/m
3
]
0,004 0,01 0,01 0,1 0,3 2,0
i) Nitric oxide (expressed in equivalent values of
nitrogen dioxide) [mg/m
3
]
0,01 0,1 0,1 1,0 9,0 20
Places where atmosphere is strictly monitored and
regulated (“clean spaces” category)
X
Places where atmosphere is permanently monitored
X
Places located in rural and urban
regions where
industrial activities are few and where traffic is
moderate
X
Places located in urban regions with industrial
activities and/or considerable traffic
X
Places in proximity to industrial sources with
chemical emissions
X
Places located in industrial installations. Emissions
of highly concentrated chemical pollutants
X
UPS B9000FXS is designed to be installed in an environment that meets the
following classifications.
K
Climatic conditions
In accordance with the technical
specification
B
Biological conditions
3B1 (EN 60721-3-3)
C
Chemically active substances
3C2 (EN 60721-3-3)
S
Mechanically active substances
3S2 (EN 60721-3-3)
In the event that the environmental conditions of the installation room do not comply
with the specified requirements, additional precautions must be taken to reduce
excessive values to the specified limits.
