HP rp5400 User Guide - HP rp5400 Family of Servers - Page 204

Temperature and Humidity Operating Standards, Thermal Protection Features

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System Specifications Temperature and Humidity Operating Standards Temperature and Humidity Operating Standards The following table lists the temperature and humidity specifications for rp54xx servers. Temperature and Humidity Specifications Parameter Operational Limits Temperaturea 5oC to 35oC (41oF to 95oF)b Recommended Operating Range Maximum Rate of Change (per hour) Non-Operating Ranges 20oC to 25oC (68oF to 77oF) 10oC (50oF) per hour (With tape media) -40oC to +70oC (-40oF to +158oF) 20oC (68oF) per hour (Without tape media) Operating Humidity 15 to 80% Relative humidity (Non-condensing) at 35oC (95oF) 40 to 60% Relative humidity (Non-condensing) 30% Per hour Relative humidity (Non-condensing) 90% Relative humidity (Non-condensing) at 65oC (149oF) a. The rp54xx has been designed to operate within the above specific temperature and relative humidity operational limits. In general, operating any electronic equipment within the recommended ranges of temperature and humidity will produce optimal reliability. b. Temperature ranges stated above are at sea level. Maximum operating temperature is derated (reduced) by 2oC for each 1000 meters above sea level up to a maximum of 3000 meters. NOTE Operating ranges refer to the ambient air temperature and humidity measured at the cabinet cooling air intake vents. Thermal Protection Features If the cabinet temperature approaches 35oC, thermal protection will be invoked. At 35oC +/- 2oC a warning message will be displayed on the system console. At 40oC +/- 2oC an ungraceful shutdown will occur. 190 Appendix B

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Appendix B
System Specifications
Temperature and Humidity Operating Standards
190
Temperature and Humidity Operating Standards
The following table lists the temperature and humidity specifications for rp54xx servers.
NOTE
Operating ranges refer to the ambient air temperature and humidity measured at the cabinet
cooling air intake vents.
Thermal Protection Features
If the cabinet temperature approaches 35
o
C, thermal protection will be invoked. At 35
o
C +/- 2
o
C a warning
message will be displayed on the system console. At 40
o
C +/- 2
o
C an ungraceful shutdown will occur.
Temperature and Humidity Specifications
Parameter
Operational
Limits
Recommended
Operating
Range
Maximum
Rate of Change
(per hour)
Non-Operating
Ranges
Temperature
a
a.
The rp54xx has been designed to operate within the above specific temperature and relative
humidity operational limits. In general, operating any electronic equipment within the
recommended ranges of temperature and humidity will produce optimal reliability.
5
o
C to 35
o
C
(41
o
F to 95
o
F)
b
b.
Temperature ranges stated above are at sea level. Maximum operating temperature is
derated (reduced) by 2
o
C for each 1000 meters above sea level up to a maximum of 3000
meters.
20
o
C to 25
o
C
(68
o
F to 77
o
F)
10
o
C (50
o
F) per
hour (With tape
media)
20
o
C (68
o
F) per
hour (Without
tape media)
-40
o
C to +70
o
C
(-40
o
F to +158
o
F)
Operating
Humidity
15 to 80%
Relative
humidity
(Non-condensing)
at 35
o
C (95
o
F)
40 to 60%
Relative
humidity
(Non-condensing)
30% Per hour
Relative humidity
(Non-condensing)
90% Relative
humidity
(Non-condensing)
at 65
o
C (149
o
F)