HP Integrity Superdome SX1000 Site Preparation Guide, Fifth Edition - HP Integ - Page 40

Temperature and Humidity Specifications, Table 4-1

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Environmental Requirements Temperature and Humidity Specifications Temperature and Humidity Specifications Table 4-1 Controlled Computer Room Environment Specifications Temperature (dry bulb οC)a Relative Humidity %; Non condensing Dew Pointb Rate of Change (°C/hr., max) Allowablec,d Recommendede Allowabled Recommendede 15 to 32 20 to 25 20 to 80 40 to 55 17 5 (59ο to 90ο F) (68ο to 77ο F) a. Dry bulb temperature is the regular ambient temperature. Derate maximum dry bulb temperature 1°C/300 m above 900 m. b. Must be non-condensing environment. 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. e. Recommended: target facility design and operational range. 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 45a 8 to 90 29 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. 32 Chapter 4

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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