SMA SC 500CP-US User Manual
Page 34
6 Preparation for Installation
SMA America, LLC
34
SCCP-US-IA-US_en-41
Installation Manual
Air quality classification for mechanically active substances
Air quality classification for chemically active substances
Ambient conditions for stationary application
Class 4S2
a) Sand in air [mg/m
3
]
300
b) Dust (suspended matter) [mg/m
3
]
5.0
c) Dust (precipitation) [mg/m
3
]
20
Installation sites where appropriate measures are taken to keep dust levels to a minimum.
x
Installation sites where no special measures have been taken to reduce the sand or dust levels and
which are not located in the vicinity of sand or dust sources.
x
Ambient conditions for stationary application
Class 4C2
Mean value
Threshold
a) Sea salt
Occurrence of salt spray
b) Sulfur dioxide [mg/m
3
]
0.3
1.0
c) Hydrogen sulfide [mg/m
3
]
0.1
0.5
d) Chlorine [mg/m
3
]
0.1
0.3
e) Hydrogen chloride [mg/m
3
]
0.1
0.5
f) Hydrogen fluoride [mg/m
3
]
0.01
0.03
g) Ammonia [mg/m
3
]
1.0
3.0
h) Ozone [mg/m
3
]
0.05
0.1
i) Nitrogen oxides [mg/m
3
]
0.5
1.0
Installation sites in rural or densely populated areas with little industry and moderate
traffic volume.
x
Installation sites in densely populated areas with industry and high traffic volume.
x