Air quality classification – SMA SC 100 Indoor Installation User Manual
Page 23

SMA Solar Technology AG
Installation Requirements
Installation Guide
SC-100-IEN093231
23
The inlet air for the SC 100 Outdoor must satisfy the requirements of classification 4S3, whereas the
inlet air for the SC 100 Outdoor must satisfy the requirements of classification 4S3 (see the following
table). The operation of the inverter is suited to a relative humidity of 15 to 95 %.
Air Quality Classification
NOTICE!
Install with unobstructed ventilation system!
NOTICE!
Regular cleaning of the outer air inlets and the inner cover grid!
NOTICE!
The device must not be installed in direct sunlight!
NOTICE!
The device must not be installed in environments with salty air!
Environmental requirements for fixed site use
Class
3S1 3S2 3S3 3S4
a) Sand in the air mg/m³ -
30
300
3000
b) Dust (suspended matter) mg/m³ 0,01
0.2
0.4
4.0
c) Dust (fallout) mg/m³ 0.4
1.5
15
40
Sites where dust fallout is kept to a minimum through
appropriate measures.
x
x
x
x
Sites where no special measures have been taken to reduce the
sand or dust levels and which are far from sand and dust
sources
x
x
x
Sites near sand and dust sources
x
x
Sites in production halls where sand or dust is present, or sites
in geographical locations in which the air can contain high
quantities of sand and dust.
x
Please observe the requiremets for air quality, relative humidity, fresh air volume and
permissible ambient temperature.