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Environmental Specifications and Requirements
The environmental specifications and requirements for the Universal Storage
Platform VM include:
• Temperature, Humidity, and Altitude
• Heat Output, Power Consumption, and Air Flow
• Loudness
• Vibration and Shock
Temperature, Humidity, and Altitude
Table 2-1 specifies the temperature, humidity, and altitude requirements for
the Universal Storage Platform VM. The recommended operational room
temperature is 21–24°C (70–75°F).
Table 2-7 Environmental Specifications
Operating
*1
Non-Operating
*2
Shipping & Storage
*3
Parameter Low High Low High Low High
Temperature °F (°C) 60 (16) 90 (32) 14 (-10) 109 (43) 5 (-25) 140 (60)
Relative Humidity (%)
*4
20 - 80 8 – 90 5 – 95
Max. Wet Bulb °F (°C) 79 (26) 81 (27) 84 (29)
Temperature Deviation
°F/hour (°C/hour)
18 (10) 18 (10) 36 (20)
Altitude -60 m to 3,000 m —
Notes:
1. The requirements for operating condition should be satisfied before the storage system is powered
on. Maximum temperature of 90°F (32°C) should be strictly satisfied at air inlet portion.
2. Non-operating condition includes both packing and unpacking conditions unless otherwise specified.
3. For shipping/storage, the product should be packed with factory packing.
4. No condensation in or around the drive should be observed under any conditions.
Installation Requirements 2-19
Hitachi Universal Storage Platform VM Installation Planning Guide