HP Integrity Superdome 2 32-socket HP Integrity Superdome 2 User Service Guide - Page 26

Environmental specifications, Temperature and humidity specifications, Cooling requirements

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Table 14 IOX enclosure power requirements Power Required (50-60 Hz) Watts VA User Expected Maximum Power1 525 535 1 Typical maximum power or User expected maximum power (Input power at the ac input expressed in Watts and Volt-Amps.) This figure is developed with the absolute maximum configuration running applications designed to draw the maximum power possible. It is highly unlikely that any real-world application will result in this amount of power use for any significant time period. For more information about general site preparation guidelines, see the Generic Site Preparation Guide. Environmental specifications Temperature and humidity specifications The following table contains the allowed and recommended temperature and humidity limits for both operating and non-operating Superdome 2 systems. Specification Temperature range1 Value Operating (allowable) Operating (recommended)2 15°C to 32°C (59°F to 89.6°F) 20°C to 25°C (68°F to 77°F) Non-operating (powered off) 5°C to 45°C (41°F to 113°F) Non-operating (storage) Relative humidity (noncondensing)3 -40°C to 70°C (-40°F to 158°F) Operating (allowable) Operating (recommended)2 20% to 80% 40% to 55% Non-operating 8% to 80% 1 All temperature ratings shown are for sea level. An altitude derating of 1°C per 300 m above 900 m is applicable. No direct sunlight allowed. Upper operating limit is 3,048 m (10,000 ft) or 70 Kpa/10.1 psia. Upper non-operating (storage) limit is 9,144 m (30,000 ft) or 30.3 KPa/4.4 psia. 2 This range is the recommended target facility design and operational range. 3 Storage maximum humidity of 90% is based on a maximum temperature of 45°C (113°F). Altitude maximum for storage corresponds to a pressure minimum of 70 KPa. For more information about general site preparation guidelines, see the Generic Site Preparation Guide. Cooling requirements HP Integrity Superdome 2 is a rack mounted system that cools by drawing air in the front and exhausting it out the rear. General ASHRAE best practices must be followed when installing Superdome 2 in a data center: • Hot/cold aisle layout • Appropriate blanking panels in any unused space in the rack. • No gaps exist between adjacent racks, which ensures minimal air recirculation. • An adequate hot-air return path to the computer room air conditioners (CRAC) or computer room air handlers (CRAH), which minimizes the flow of hot air over any rack. 26 System specifications

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Table 14 IOX enclosure power requirements
VA
Watts
Power Required (50–60 Hz)
535
525
User Expected Maximum Power
1
1
Typical maximum power or User expected maximum power (Input power at the ac input expressed in Watts and
Volt-Amps.) This figure is developed with the absolute maximum configuration running applications designed to draw
the maximum power possible. It is highly unlikely that any real-world application will result in this amount of power use
for any significant time period.
For more information about general site preparation guidelines, see the
Generic Site Preparation
Guide
.
Environmental specifications
Temperature and humidity specifications
The following table contains the allowed and recommended temperature and humidity limits for
both operating and non-operating Superdome 2 systems.
Value
Specification
Temperature range
1
15°C to 32°C (59°F to 89.6°F)
Operating (allowable)
20°C to 25°C (68°F to 77°F)
Operating (recommended)
2
5°C to 45°C (41°F to 113°F)
Non-operating (powered off)
-40°C to 70°C (-40°F to 158°F)
Non-operating (storage)
Relative humidity (noncondensing)
3
20% to 80%
Operating (allowable)
40% to 55%
Operating (recommended)
2
8% to 80%
Non-operating
1
All temperature ratings shown are for sea level. An altitude derating of 1°C per 300 m above 900 m is applicable. No
direct sunlight allowed. Upper operating limit is 3,048 m (10,000 ft) or 70 Kpa/10.1 psia. Upper non-operating (storage)
limit is 9,144 m (30,000 ft) or 30.3 KPa/4.4 psia.
2
This range is the recommended target facility design and operational range.
3
Storage maximum humidity of 90% is based on a maximum temperature of 45°C (113°F). Altitude maximum for storage
corresponds to a pressure minimum of 70 KPa.
For more information about general site preparation guidelines, see the
Generic Site Preparation
Guide
.
Cooling requirements
HP Integrity Superdome 2 is a rack mounted system that cools by drawing air in the front and
exhausting it out the rear. General ASHRAE best practices must be followed when installing
Superdome 2 in a data center:
•
Hot/cold aisle layout
•
Appropriate blanking panels in any unused space in the rack.
•
No gaps exist between adjacent racks, which ensures minimal air recirculation.
•
An adequate hot-air return path to the computer room air conditioners (CRAC) or computer
room air handlers (CRAH), which minimizes the flow of hot air over any rack.
26
System specifications