HP Array Controller HSG V8.7 Software - Manual (Page 169)

UltraSCSI Enclosure Specifications
UltraSCSI RAID Enclosure A–3
Operating Environments
Table A–1, Table A–2, and Table A–3 provide the environmental
specifications for the controller shelf.
Table A–1 Optimum Operating Environment
Condition Specification
Temperature 18–24°C (64–75°F) with an average rate of change of 3°C/h maximum and a
step change of 3°C/h or less
Relative humidity 40–60% (noncondensing) with a step change of 10% or less (noncondensing)
Altitude Up to 2400 m (8000 ft)
Air quality Not to exceed a maximum of 500,000 particles, 0.5 micron or larger, per cubic
foot of air
Nominal airflow 50 cubic ft/min
Heat dissipation 3070 BTUs/h
Table A–2 Minimum Operating Environment
Condition Specification
Temperature 10–40°C (50–104°F)
Reduce rating by 1.8°C for each 1000 m altitude (1°F for each 1000 ft of
altitude)
Relative humidity 10–85% at a maximum wet bulb temperature of 32°C (90°F) and a minimum
dew point of 2°C (36°F)
Altitude Up to 2400 m (8000 ft)
Air quality Not to exceed a maximum of 500,000 particles, 0.5 micron or larger, per cubic
foot of air
Nominal airflow 40 cubic ft/min
Heat dissipation 3070 BTUs/h