Site Preparation Guide, Fifth Edition - HP Integrity Superdome and HP 9000 Superdome

Chapter 4
Environmental Requirements
Temperature and Humidity Specifications
32
Temperature and Humidity Specifications
Table 4-1 Controlled Computer Room Environment Specifications
Temperature (dry bulb
ο
C)
a
a. Dry bulb temperature is the regular ambient temperature. Derate maximum dry bulb temperature
1°C/300 m above 900 m.
Relative Humidity %;
Non condensing
Dew Point
b
b. Must be non-condensing environment.
Rate of Change
(°C/hr., max)
Allowable
c,d
c. With installed media, the minimum temperature is 15°C and maximum relative humidity is
limited to 80%. Specific media requirements may vary.
d. Allowable: equipment design extremes as measured at the equipment inlet.
Recommended
e
e. Recommended: target facility design and operational range.
Allowable
d
Recommended
e
15 to 32
(59
ο
to 90
ο
F)
20 to 25
(68
ο
to 77
ο
F)
20 to 80 40 to 55 17 5
Table 4-2 Power-Off Storage and Shipping Requirements
Storage Powered Off (installed)
Temp (°C, dry
bulb - regular
ambient temp.)
Relative Humidity %
Non-condensing
Dew point
(max)
Temp (°C, dry
bulb - regular
ambient temp.)
Relative Humidity
% Non-condensing
Dew point
(max)
-40 to +60 8 to 90 32
5 to 45
a
a. The room ambient temperature must be returned to normal operating conditions and sufficient
time is given for the equipment to return to thermal equilibrium and stabilize.
8 to 90 29