Technical white paper Power and cooling technologies in the HP POD 240a Table of contents Introduction 2 HP POD 240a 2 Power distribution 4 HP Adaptive Cooling Technology 6 HP Environmental Control Suite 8 Conclusion 8 For more information 8
Introduction Updating a traditional data center or building a completely new one requires substantial capital expense (CAPEX) and months to a year or more of planning and construction. Even when finished, the facility may require high operational expense (OPEX) and may not achieve adequate power usage effectiveness (PUE) rating. A PUE of 2.0 to 2.4 is considered very good for traditional data centers but is difficult to achieve. That’s why we’ve developed the HP Performance Optimized Datacenter (POD) 240a.
The HP POD 240a represents a new approach to data center. Combining IT, cooling, and power infrastructures in a selfcontained modular unit minimizes the data center footprint. The POD 240a packs the equivalent of a 10,000 square foot traditional facility into an area only 24 feet wide and 45 feet long.
The architecture allows shipping the HP POD 240a fully configured with 44 racks of pre-installed IT equipment (Figure 3). When fully populated with HP ProLiant SL170 servers (two servers per rack U), the HP POD 240a can accommodate up to 4,400 servers. Higher server densities may be possible with HP BladeSystem solutions. We can preinstall and test the complete ITE configuration to greatly reduce deployment time and give you quicker ROI. Figure 3: Shown below are two views of a configured HP POD 240a.
Figure 4: This illustration shows one of two power cabinet sets. Note: Actual power components may vary depending on configuration. IT power within the HP POD 240a routes through an expandable busway system (Figure 5) that allows flexible, easy, and safe circuit additions without requiring a maintenance outage. For rack-level power distribution, manageable outlets (an option) allow you to set the amperage level from a remote terminal.
HP Adaptive Cooling Technology HP Adaptive Cooling Technology of the HP POD 240a combines a traditional cold aisle/hot aisle layout with an adanced control system that intelligently cools IT equipment—without the need of a chiller plant. Adaptive Cooling Technology uses a specially designed HVAC system and several operating modes to use ambient air as much as possible to achieve high cooling efficency.
Adaptive Cooling Technology uses three operating modes: • In free-air mode, the module uses outside air for equipment cooling. • In DX assist mode, DX units reclaim exhaust (warm) air to mix and re-circulate with outside air. • In full DX mode, DX units provide full cooling by re-circulating and dehumidifying all inside air. Figure 7 shows the airflow of each operating mode and the PUE that each can achieve. Figure 7: This illustration shows airflow for the HP POD 240a.
HP Environmental Control Suite The HP Environmental Control Suite (ECS) is a comprehensive management package providing complete control and monitoring of the HP POD 240a—either locally (at the POD) or remotely.
