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EcoBreeze ™ IEC Modular Indirect Evaporative Cooling Solution

EcoBreeze ™ IEC Modular Indirect Evaporative Cooling Solution. Outline. Drivers for Economizers ASHRAE 90.1 / TC 9.9 Availability of Power Custom Systems EcoBreeze IEC Overview and Key Features SKUs and Dimensions Components Electrical Information How it works Inside the Data Center

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EcoBreeze ™ IEC Modular Indirect Evaporative Cooling Solution

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  1. EcoBreeze™ IECModular Indirect Evaporative Cooling Solution

  2. Outline • Drivers for Economizers • ASHRAE 90.1 / TC 9.9 • Availability of Power • Custom Systems • EcoBreeze IEC • Overview and Key Features • SKUs and Dimensions • Components • Electrical Information • How it works • Inside the Data Center • Outside the Data Center • Module Function • Performance • Competitor Comparison • Power Usage

  3. Drivers for Economizers ASHRAE 90.1 2008 Limits Temp Range: 64.4-80.6°F Humidity Range: (DP 42°F) – (60% RH & DP 59°F) • ASHRAE 90.1 standards are always evolving as technology advances • ASHRAE TC9.9 revisions expanded the envelope for recommended operating conditions in the data center • This widened envelope allows for more efficiency and energy savings through more hours of economization 2004 Limits Temp Range: 68-77°F Humidity Range: 40-55%

  4. Economizer Requirements None - 1a, 1b, 2a, 3a, 4a > 19kW - 3b, 3c, 4b, 4c, 5b, 5c, 6b >40kW - 2b, 5a, 6a, 7, 8

  5. Drivers for Economizers Energy Costs and Constraints • Data centers are constantly expanding which requires more energy • Local energy companies place heavy restrictions on gaining more power from the grid • There is a need to reduce cooling power consumption to allow room for value-added IT equipment

  6. Drivers for Economizers Custom Economizer Systems Complex System • Complex infrastructure requires special controls, installation, and maintenance • Multiple vendors involved • These systems have a higher chance of failure and emergency maintenance EcoBreeze

  7. Features and Benefits • Two forms of Economization • Air-to-Air Heat Exchange • Indirect Evaporative Cooling • Proportional DX refrigeration circuit • Variable Speed Compressor • Electronically Commutated Fans • Zero White Space Solution • Modular Design for “Pay as you Grow” Philosophy • Chemical-Free Water Treatment • 50kW Sensible Cooling Per Module (No Dehumid/Humid) • IEC Heat Exchanger • No mixing of IT air and outside air

  8. EcoBreeze - SKUs 40’ Frame contains up to 8 modules (400kW of cooling capacity) 20’ Frame contains up to 4 modules (200kW of cooling capacity) 40’ Frame (4 sections each) 20’ Frame (2 sections each)

  9. Dimensions Module 9.5 ft (2.9m) 40’ Frame *Same dimensions as HC (1AAA) ISO shipping container 8.6 ft (2.6m) 3.3 ft (1.1m) 9.5 ft (2.9m) 40 ft (12.2m) 8 ft (2.4m)

  10. IT Air Intake Isolation Dampers Central Water Trough ElectricalBox / Frame Controller Redundant Pump/Pulse power water treatment Access Redundant Water Inlets Weight (40’ frame): 8,000 lb (3,628 kg) Max Weight (40’ frame, 8 modules, ducting, misc.): 33,500 lb (15,195 kg)

  11. Chemical-Free Pulse power Water Treatment System Central Water Trough Water Sump Tank Redundant Water Pumps Redundant Water Inlets

  12. Intake Fans Water Spray Nozzles / Drifdec Condenser IEC / Heat Exchanger Outside Air Fan Compressor Water Collector Weight: 2,650 lb (1202 kg) 50 kW Cooling Capacity Evaporator Coil / Filters

  13. Outside Air Fan (Scavenger Fan) 7,000 CFM per Module 5,000 CFM = 8495 m3/h 7,000 CFM = 11893 m3/h 40,000 CFM = 67960 m3/h IT Air Intake Fans 5,000 CFM per Module (40,000 CFM Fully Populated Frame)

  14. EcoBreeze IEC Electrical Information • Variety of Voltages • 208-230/3/60 • 460-480/3/60 • 575-600/3/60 • 400/3/50 • Amp Draw less than 25A (per module based on 460V) • Schneider Electric Controller • Redundant Frame Electronics: RIM & MIM • ModBUS RTU Interface • Single Point Power Connection

  15. How it works High Level Application • Mandatory Clearance: • 4ft on ends of the frame • 8ft between systems

  16. Hot air from the servers is controlled through Hot Aisle Containment (HACS) The hot air is then rises to the ceiling plenum and fed into the return ducting of the EcoBreeze The IT air is then cooled and supplied back to the data center through a raised floor plenum or cold aisle diffusers The cool air is forced through the perforated tiles in front of the server racks and used to keep the servers at a safe operating temperature

  17. Hot air from the servers is controlled through ducting connected to the racks (VED) The hot air is then rises to the ceiling plenum and fed into the return ducting of the EcoBreeze The IT air is then cooled and supplied back to the data center through cold aisle diffusers. The diffusers have a bowling alley type discharge that sends the air down the cold aisle

  18. Hot ambient air is expelled through the condenser to the atmosphere Hot Air is returned from the Data Center 98°F-102°F (37°C-39°C) Cool IT Air is Supplied through the evaporator coil and back to the Data Center 77°F (25°C) Indirect Heat exchange between the IT and ambient airstreams (Evaporative or Air-to-Air) Cool Ambient Air is brought in by the Scavenger Fan

  19. How it works Cooling Module – Air to Air Heat Exchange • When ambient air drops below 45°F (setpoint adjustable) • System water is dumped to prevent freezing and/or dumped after 24 hours (user adjustable) of spray free operation • Only requires power of fans to move the air (If DX assist is not needed) • Cool air passes over the outside of the heat exchanger channels, cooling the hot IT air flowing inside.

  20. How it works Cooling Module – Evaporative Cooling • Heat is removed from the IT air by evaporating water on the outside of the heat exchanger channels • Water is supplied evenly over the heat exchanger channels via spray nozzles • Maintains the adjustable IT supply air set point

  21. How it works Cooling Module – Proportional DX Circuit • Variable speed compressor allows for optimal efficiency of DX cooling • Supplements evaporative cooling to maintain the supply air set point • Designed for 60% of full load • 410a Refrigerant

  22. Competitive Analysis 55% more efficient than a perimeter CRAC w/ Economizer solution!

  23. Performance Indirect Evaporative Cooling Economizer • Seattle, Washington • Full economizer 8,550 hours per year • Partial performance from econ balance of year • Worse case DX percentage of IT load 10.4% • Annualized COP ≈ 22 • Water use 47% of Year 2,399,694 (kW hr) x .08 ($/kW) = ~$191,975/year mechanical operating costs for 30 systems 60% Load Factor, 75°F Supply Set-point, 102°F Return

  24. Comparison Indirect Evaporative Economizer to Chilled Water Plant with Economizer Bin Weather Data - Seattle, WA CW Plant Tower: 10°F Range, 7°F Approach (95°F DB / 78°F WB). Chiller COP of 8 ≈3°F Approach Econ Plate Frame Heat Exchanger

  25. EcoBreeze Tools being developed • Design Standards (Based on existing MW designs replacing the cooling architecture with EcoBreeze). Partnering with a consulting engineering firm to develop this standard. • Performance tool that allows the customer to load their conditions based on location. Out puts performance and operating costs for power and water. Provides COP and partial PUE performance based on load conditions. • Submittal Drawing package showing Electro/Mechanical, Piping, One-Line, Cad Blocks, Site Preparation Dwgs. • EcoBreeze Video showing need for product based on changes to IT environments which allow cooling through economization. Shows application and airflow movement through the system. • White paper being developed by Victor Alvelar • Physical Models being created to show the application of the EcoBreeze. • Micro site that provides link to collateral generate for EcoBreeze

  26. Questions??

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