HP Integrity Superdome SX1000 User Guide, Sixth Edition - HP Integrity Superdo - Page 156

Site Preparation Electrical and Environmental Guidelines Figure 5-5 Above Ceiling Ducted Air To and From Air Handling Unit (if used) Supply Air Ductwork Roof Or Floor Slab Above Ducted Return Air (DRA) Return Air Grill Ceiling Diffuser Up-Flow AC Equipment Ceiling Typical Computer Air Discharge Slab Floor Computer Air Intake Cooled Air Supply Humidity Level Maintain proper humidity levels. High humidity causes galvanic actions to occur between some dissimilar metals. This eventually causes a high resistance between connections, leading to equipment failures. High humidity can also have an adverse affect on some magnetic tapes and paper media. 144 Chapter 5