IBM TS4300 3555, User Manual

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Psychrometric chart
Figure 23. Psychrometric chart showing recommended and allowable operating environments for the tape
library
Notes:
• The chart is shown in SI (metric) units and a barometric pressure of 101.325 kPa (sea level).
• The recommended operating environment specifies a long-term operating environment that can result
in the greatest reliability and energy efficiency.
• The allowable operating environment represents where the equipment was tested to verify functions.
Due to the stresses that operating in the allowable envelope can place on the equipment, these
envelopes should be used for short-term operation, not continuous operation (for example, in the case
of a cooling failure).
26 IBM TS4300 Tape Library Machine Type 3555: User's Guide