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9176/D173 D
ISK SUBSYSTEM - SITE PREPARATION GUIDE 23
S
IXTH EDITION
Environmental Requirements
9176 Disk Controller
Table 10 lists the environmental requirements for the 9176 controller tray.
Table 10 Controller Tray Environmental Requirements
Condition Range Requirement
Altitude
Below Sea Level Above Sea Level
Operating 30.5 m (100 ft.) 3,048 m (10,000 ft.)
Storage 30.5 m (100 ft.) 3,048 m (10,000 ft.)
Transit 30.5 m (100 ft.) 12,000 m (40,000 ft.)
Temperature
Operating
1
0
º
C to 43
º
C (32
º
F to 109
º
F)
Storage
-10
º
C to 65
º
C (14
º
F to 149
º
F)
Transit
-40
º
C to 65
º
C (-40
º
F to 149
º
F)
Maximum
Temperature Change
Allowed
Operating
10
º
C (18
º
F) per hour
Storage
15
º
C (27
º
F) per hour
Transit
20
º
C (36
º
F) per hour
Relative Humidity
(no condensation)
Operating 20% to 80%
Storage 10% to 93%
Transit 5% to 95%
Maximum Dew Point
26
º
C (79
º
F)
Maximum Humidity Gradient 10% per hour
Heat Dissipation 731.0 Btu/hr (based on 0.329 kVA or 214.0 W power consumption)
Sound
Power 6.5 bels
Pressure 65 dBA
1
If you plan to operate the controller tray at altitudes between 1,000 m (3,280 ft.) and 3,000 m (9,850 ft.), lower the environmental temperature 1.7
º
C
(3.3
º
F) for every 1,000 m (3,280 ft.) above sea level.