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Specifications
Dimension
Weight
Air movement
Air temperature drop
Water
Heat exchanger performance
The following figure illustrates the diagram of rack air flow and heat exchanger water flow.
8
ThinkSystem Heavy Duty Full Depth 48U Rack Cabinet User Guide
• Depth: 496 mm / 19.5 inches
• Height: : 2275 mm / 89.6 inches
• Width: 725 mm / 28.5 inches
Empty: 49 kg / 103.6 lbs
Provided by servers and other devices in the rack
With high-heat-load devices, up to 25°C (45°F) between the air exiting the rack devices
and the air exiting the heat exchanger.
• Source
User-supplied, compliant with specifications in this document
• Pressure
– Normal operation: <137.93 kPa (20 psi)
– Maximum: 689.66 kPa (100 psi)
• Volume
Approximately 9 liters (2.4 gallons)
• Temperature
– Above dew point
– 18°C ±1°C (64.4°F ±1.8°F) for ASHRAE Class 1 Environment
– 22°C ±1°C (71.6°F ±1.8°F) for ASHRAE Class 2 Environment
Note: See "Heat exchanger performance" for more information.
• Required water flow rate (as measured at the supply entrance to the heat exchanger)
– Minimum: 22.7 liters (6 gallons) per minute
– Maximum: 56.8 liters (15 gallons) per minute
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