HP A4500A Hardware Manual - rp24xx, Customer Viewable - Page 63

Temperature and Humidity Operation Standards, NOTE

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Temperature and Humidity Operation Standards Temperature and Humidity Operation Standards The following table lists the computer room temperature and humidity specifications for rp24xx servers. Temperature and Humidity Specifications Parameter Maximum Non-Operating Range Recommend ed Operating Range Maximum Operating Range Rate Of Change (per hour) Temperaturea -40o C to +65o C 20o to 25o C (-40o F to 149o F) (70o to 77o F) 5o C to 35o C (plus or minus 2o C) (41o F to 95o F (plus or minus 3o F)) 10o C (50o F) Rb 20o C (68o F)Nc 20o F (-7o C)Rb 30o F (-1o C)Nc Operating Humidity 5% to 90%, non-condensing at 25o C (77o F) 40% - 50%, non-condensin g at 25o C (77o F) 15% - 80%, non-condensing at 25o C (77o F) 30% RH/hour a. At altitudes up to 3,000 meters. b. Repetitive. c. Non-repetitive. NOTE Operating ranges refer to the ambient air temperature and humidity measured at the cabinet cooling air intake vents. Chapter 71

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Chapter
Temperature and Humidity Operation Standards
71
Temperature and Humidity Operation Standards
The following table lists the computer room temperature and humidity specifications for rp24xx servers.
NOTE
Operating ranges refer to the ambient air temperature and humidity measured at the cabinet
cooling air intake vents.
Temperature and Humidity Specifications
Parameter
Maximum
Non-Operating
Range
Recommend
ed
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
(plus or minus 2
o
C)
(41
o
F to 95
o
F
(plus or minus 3
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-condensin
g at 25
o
C (77
o
F)
15% - 80%,
non-condensing
at 25
o
C (77
o
F)
30% RH/hour