Table 8. Environment requirements (continued)
Environment requirements
Properties Recommended Allowable
2,3,4
ASHRAE class A2 (Fourth edition)
Airflow direction Front-to-back
Temperature 18.0°C – 27.0°C (64.4°F –
80.6°F)
10.0°C – 35.0°C (50.0°F –
95.0°F)
Low end moisture -9.0°C (15.8°F) dew point -12.0°C (10.4°F) dew point and
8% relative humidity
High end moisture 60% relative humidity and 15°C
(59°F) dew point
85% relative humidity and
21.0°C (69.8°F) dew point
Maximum altitude 3050 m (10,000 ft)
Allowable environment (nonoperating)
5
Temperature 5°C - 45°C (41°F - 113°F)
Relative humidity 8% to 85%
Maximum dew point 27°C (80.6°F)
Environment (shipping)
Temperature -40.0°C to 60.0°C (-40°F to 140°F)
Relative humidity 5% - 100% (no condensation)
Maximum wet bulb temperature 29.0°C (84.2°F)
Environment (storage)
Temperature 1°C - 60°C (33.8°F - 140°F)
Relative humidity 5% - 80% (no condensation)
Maximum wet bulb temperature 29°C (84.2°F)
Site and hardware planning 9
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