LEGRAND KEOR HP 400kVA Installation Et Démarrage page 28

3.3.4 Environmental installation conditions
The air is classified by the EN 60721-3-3 standard (Classification of environmental
parameters and their severities – Stationary use at weather-protected locations) based on
climatic and biological conditions as well as on mechanically and chemically active substances.
Therefore the place of installation must meet specific requirements to ensure compliance
with the conditions for which the UPS was designed.
 Climatic conditions according to the technical specification of KEOR HP
 Classification of biological conditions (EN 60721-3-3)
Environmental
parameter
a)
Flora
b)
Fauna
 Classification of mechanically active substances (EN 60721-3-3)
Environmental parameter
3
a)
Sand [mg/m ]
b)
Dust (suspension) [mg/m
c)
Dust (sedimentation) [mg/(m
Places where precautions have been taken to minimize the presence
of dust. Places away from dust sources
Places without any special precaution to minimize the presence of
sand or dust, however not in proximity to sand or dust sources
Places in proximity to sand or dust sources
Places in proximity to working processes that generate sand or dust,
or in geographic areas having a high proportion of sand brought by
the wind or of dust suspended in the air
28 OMD39075 REV. F
Installation and start-up of UPS Keor Hp 400-800kVA
Installation et démarrage de l'UPS Keor Hp 400-800 kVA
Installazione e avviamento UPS Keor Hp 400-800kVA
Environmental parameter
Minimum operating temperature (°C)
Maximum operating temperature (°C)
Minimum relative humidity (%)
Maximum relative humidity (%)
Condensation
Rainfall with wind (rain, snow, hail, etc.)
Water with an origin other than rain
Ice formation
3B1
Presence of mildew, fungus,
NO
etc.
Presence of rodents and
other animals that are
NO
harmful to products,
excluding termites
3
]
2
·h)
+ 40
Class
3B2
Presence of mildew, fungus,
etc.
Presence of rodents and
other animals that are
harmful to products,
including termites
3S1
No
0,01
0,4
X
– 10
5
95
NO
NO
NO
NO
3B3
Class
3S2 3S3 3S4
30 300 3000
0,2 0,4 4,0
1,5 15 40
X
X
X