Installation Requirements
2–37
Hitachi Universal Storage Platform VM Installation Planning Guide
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
Temperature, Humidity, and Altitude
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).
•
NOTE:
1. The requirements for operating condition should be satisfied before the storage
system is powered on. Do not exceed a maximum temperature of 90°F (32°C) at the
air intakes.
2. Non-operating condition includes both packing and unpacking conditions unless
otherwise specified.
3. For shipping/storage, pack the equipment using the factory packing.
4. No condensation in or around the drive should be observed under any conditions.
Table 2-9: Environmental Specifications
Parameter
Operating
*1
Non-Operating
*2
Shipping &
Storage
*3
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
–
