HP A4500A Hardware Manual - rp24xx, Customer Viewable - Page 53

Cooling Requirements

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Cooling Requirements Cooling Requirements The temperature and humidity specifications shown below are the maximums and standards at which server cooling parameters have been established. Temperature and Humidity Specifications Parameter Maximum Non-Operating Range Recommended Operating Range Maximum Operating Range Rate Of Change (per hour) Temperaturea -40o C to +65o C (-40o F to 149o F) 20o to 25o C (70o to 77o F) 5o C to 35o C (41o F to 95o F) Operating Humidity 5% to 90%, non-condensing at 25o C (77o F) a. At altitudes up to 3,000 meters. b. Repetitive c. Non-repetitive 40% - 50%, non-condensing at 25o C (77o F) 15% - 80%, non-condensing at 25o C (77o F) 10o C (50o F) Rb 20o C (68o F) Nc 20o F (-7o C) Rb 30o F (-1o C) Nc 30% RH/hour Chapter 61

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Chapter
Cooling Requirements
61
Cooling Requirements
The temperature and humidity specifications shown below are the maximums and standards at which server
cooling parameters have been established.
Temperature and Humidity Specifications
Parameter
Maximum
Non-Operating
Range
Recommended
Operating
Range
Maximum
Operating
Range
Rate Of Change
(per hour)
Temperature
a
a. At altitudes up to 3,000 meters.
-40
o
C to +65
o
C
(-40
o
F to 149
o
F)
20
o
to 25
o
C
(70
o
to 77
o
F)
5
o
C to 35
o
C
(41
o
F to
95
o
F)
10
o
C (50
o
F) R
b
20
o
C (68
o
F) N
c
20
o
F (-7
o
C) R
b
30
o
F
(-1
o
C) N
c
b. Repetitive
c. Non-repetitive
Operating
Humidity
5% to 90%,
non-condensing at
25
o
C (77
o
F)
40% - 50%,
non-condensing at
25
o
C (77
o
F)
15% - 80%,
non-condensing
at 25
o
C (77
o
F)
30% RH/hour