SMA SC 400HE Installation User Manual
Page 28
Installation
SMA Solar Technology AG
28
SCxxxHE-IEN104432
Installation Guide
Air Quality Classification for Chemically Active Substances
Environmental conditions for stationary
application
Class
3C1R 3C1L 3C1 3C2 3C3 3C4
a) Marine salt
-
-
-
Occurrence of marine
salt
b) Sulfur dioxide, mg / m³
0.01
0.1
0.1
1.0
10
40
c) Hydrogen sulfide, mg / m³
0.0015 0.01
0.01
0.5
10
70
c) Chlorine, mg / m³
0.001
0.01
0.1
0.3
1.0
3.0
d) Hydrogen chloride, mg / m³
0.001
0.01
0.1
0.5
5.0
5.0
e) Hydrogen fluoride, mg / m³
0.001
0.003 0.003 0.03
2.0
2.0
f) Ammonia, mg / m³
0.03
0.3
0.3
3.0
35
175
g) Ozone, mg / m³
0.004
0.01
0.01
0.1
0.3
2.0
h) Nitrogen oxides, mg / m³
0.01
0.1
0.1
1.0
9.0
20
Installation sites with carefully monitored and
regulated atmospheres (category clean
spaces).
x
x
x
x
x
x
Installation sites with carefully regulated
atmospheres.
x
x
x
x
x
Installation sites in rural or densely populated
areas with little industry and moderate traffic
volume.
x
x
x
x
Installation sites in densely populated areas
with industry and high traffic volume.
x
x
x
Installation sites directly neighboring industrial
plants, with chemical emissions.
x
x
Installation sites directly inside of industrial
plants, with emission of high concentrations of
chemical pollutants.
x
Environmental Conditions
The following points must be observed in relation to environmental conditions:
• Required amount of fresh air
• Stipulated air quality
• Relative humidity
• Permissible ambient temperature