Indirect Evaporative Cooling (IDEC) Unit for Data Centers
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1 Indirect Evaporative Cooling (IDEC) Unit for Data Centers
2 NORTEK AIR SOLUTIONS Cool3 IDEC UNIT INDIRECT EVAPORATIVE COOLING The new Nortek Air Solutions Cool 3 IDEC unit is a proven approach for highly efficient and cost-effective data center cooling. Reduces humidity fluctuations and filtration requirements for white space Rooftop and end-on units do not take up room in the white space Available in rooftop, end-on and stacked configuration units 200, 300, and 400 kw standard unit sizes Compact unit design reduces unit size and weight 200 and 300 kw units ship in one piece for simplified transport and installation Makeup air unit option 2
3 FLEXIBLE CONFIGURATION FOR YOUR FACILITY DESIGN THE END-ON UNIT The ideal cooling solution for new builds, hyperscale and other perimeter spaceavailable environments. THE ROOFTOP UNIT The optimal solution for data centers located inside larger buildings and spaceconstrained city center environments. THE STACKED UNIT Stacked units are a logical choice for multi-story environments. With different size solutions, Nortek Air Solutions can meet your flexible configuration needs. 3
4 COOL 3 IDEC UNIT CORE BENEFITS 1 Highest water efficiency 2 Ultra-energy efficient unit with typical ppue below Maximum economizer utilization 4 Compact size 5 Flexible configuration 4
5 THREE OPERATING MODES AIR ECONOMIZER Heat exchanger device covers 100% of load, DEC and DX are off. EVAPORATIVE COOLING DEC is turned on, providing indirect evaporative cooling. DX is off. EVAPORATIVE COOLING AND DX Mechanical cooling trim in extreme outdoor conditions. High efficiency heat exchanger device improves unit economizer performance and wet bulb effectiveness Highly effective direct evaporative media delivers cooling temperatures close to outdoor air wet bulb EC fan technology delivers industry-leading fan efficiency Compact unit design reduces unit size and weight High mechanical cooling energy efficiency ratio (EER) 5
6 COOL 3 IDEC UNIT SUPERIOR OPERATING EFFICIENCY ANNUAL OPERATION COMPARISON BY CITIES 400 KW IDEC UNIT, 95.5 F (35 C) HAR AND 70 F (21 C) CAS LONDON SEATTLE NEW YORK DALLAS Annual Operation for Competitor IDEC Unit COMPETITOR IDEC Hours 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0 Annual Operation for Cool 3 IDEC Unit 8,000 7,000 COOL 3 IDEC Hours 6,000 5,000 4,000 3,000 2,000 3,336 4,784 1,000 0 Eco Evap Evap + DX 6
7 ANNUAL ENERGY & AVERAGE EER EFFICIENCY IS SUPERIOR ENERGY CONSUMPTION AND EER COMPARISON BY CITIES LONDON SEATTLE NEW YORK DALLAS 1.0 Cooling System Efficiency (CSE) Comparison Lower CSE means less power consumption 0.8 CSE Energy Efficiency Ratio (EER) Comparison EER Cool 3 IDEC Unit Competitor IDEC Total Unit Electricity Consumption (kw) CSE = EER = Net Cooling Delivered (Tons) Net Cooling Delivered (MBH) Total Unit Electricity Consumption (kw) 7
8 ENERGY EFFICIENCY ppue IS SUPERIOR ANNUAL AVERAGE COMPARISON BY CITIES Location ppue Water Consumption, for each unit Gal x 10 3 m 3 Economizer Hours Evap Hours Evap + DX Hours Frankfurt, GE , London, UK , Seattle, WA , San Jose, CA ,072 1, Beijing, CH ,572 1,031 2,157 Las Vegas, NV ,093 4,539 3, Secaucus, NJ ,132 1,134 1,494 Dulles, DC , ,911 Shanghai, CH , ,039 Dallas, TX ,544 3, , For 400 kw unit running at 75 F (24 C) cold aisle supply and 100 F (38 C) hot aisle return 2. The calculations were done for a 2 MW data center (totally 6 units are required based on N+1 arrangement 3. The data are presented for normal data center operation (N+1 units running) 4. Used COC = 3 for water consumption 8
9 ANNUAL WATER USAGE IS SUPERIOR WATER USAGE COMPARISON BY CITIES 400 kw Unit, 95.5 F (35 C) HAR and 70 F (21 C) CAS LONDON SEATTLE NEW YORK DALLAS Annual Total Water Consumption (COC= 3) The Nortek Air Solutions Cool 3 IDEC unit offers significant improvements in water usage efficiency compared to other IDEC systems due to: Water Consumption, gal/kw (m 3 /kw) (3.59) (2.60) (0.83) (1.18) (2.34) (5.69) (10.3) (4.65) Less evaporative hours in a year Higher water usage efficiency at the same operating conditions Cool 3 IDEC Unit Competitor IDEC Unit IDEC UNIT OPERATION The Cool 3 IDEC unit has significantly improved economizer performance versus a leading competitor due to the high sensible effectiveness of the heat exchanger device. Higher outdoor air dry bulb limit before entering Evap mode Fan power reduction from reduced scavenger airflow rates Less hours of water evaporation and reduced overall water consumption Ultra-efficient water usage Wetted media life is extended Water system maintenance requirements are reduced Parameter OA DB limit for Eco Mode, F ( C) OA WB limit for Evap Mode, F ( C) Unit overall wet bulb effectiveness Design sensible effectiveness, Eco Mode Cool3 IDEC Competitive IDEC 66 (19) 53 (12) 65 (18) 65 (18) 76% 75% 77% 55% *For 100 F (38 C) HAR / 75 F (24 C) CAS - all unit sizes 9
10 DIGITAL SMART CONTROLS CONTROLLED EFFICIENCY The Nortek Air Solutions Cool 3 IDEC unit s smart digital controls prioritize the most energy efficient operating modes of the unit, allowing the unit to operate in the most cost-saving mode as often as possible. These smart controls also minimize the unit energy and water consumptions based on the outdoor air conditions and data center requirements. The Cool 3 IDEC unit switches between different operating modes, based on the operating conditions for optimum energy and water consumptions, and modulates the scavenger airflow rate to lower flow rates whenever possible for even more energy savings. INSIDE THE COOL3 UNIT 10
11 MORE COMPACT FOOTPRINT 200 kw 300 kw 400 kw Competitor IDEC Cool 3 IDEC Competitor IDEC Cool 3 IDEC Competitor IDEC Cool 3 IDEC Length, in. (mm) 271 (6,884) 234 (5,944) 271 (6,884) 250 (6,350) 410 (10,414) 274 (6,960) Width in. (mm) 103 (2,617) 126 (3,201) 157 (3,988) 140 (3,556) 157 (3,988) 161 (4,090) Height in. (mm) 152 (3,861) 143 (3,633) 152 (3,861) 151 (3,836) 152 (3,861) 195 (4,953) Unit Footprint, ft 2 (m 2 ) 194 (18) 205 (19) 296 (27.5) 243 (22.5) 447 (41.5) 307 (28.5) Unit Volume, ft 3 (m 3 ) 2,455 (69.5) 2,439 (69) 3,742 (106) 3,058 (86.5) 5,662 (160) 4,978 (141) Unit Footprint Saving (%) 5% bigger 18% smaller 31% smaller Unit Volume Saving (%) 1% smaller 19% smaller 12% smaller 11
12 COOL 3 IDEC UNIT SAVINGS THROUGH THE SEASONS The Nortek Air Solutions Cool 3 IDEC Unit is an indirect evaporative cooling (IDEC) unit which sensibly and indirectly cools the data center air. The system minimizes the hours required to mechanically cool a data center because it operates in the economizer (winter) mode for more hours during the year (depending upon location) than its competitors due to having higher outdoor air dry-bulb (DB) limits. In addition, the outdoor air wet-bulb (WB) limit is very high and is slightly higher than the competition. These advantages result in significant water consumption savings and allow for a compact DX package size. WINTER Economizer Mode In this mode, the main outdoor air intakes are closed and the outdoor air enters the unit through the bypass dampers. The outdoor air bypasses the DEC, which extends the life of the DEC and reduces the pressure drop on the scavenger side of the unit. The sensible heat exchanger device carries 100% of the load by rejecting the heat from the data center air (process air) to the cold outdoor air. The scavenger airflow rate modulates based on the outdoor air conditions to minimize the unit s energy consumption in this mode. SUMMER Evaporation Mode In this mode, the bypass dampers are closed and the outdoor air enters the unit through the main outdoor air intakes. Firstly, the outdoor air (also called scavenger air) passes through the DEC where the scavenger air is cooled to its wet-bulb temperature. Then the cold scavenger air passes through the sensible heat exchanger device and will pick up the heat from the data center air. The scavenger airflow rate modulates based on the cold air supply temperature to minimize the unit s energy consumption in this mode. EXTREME Evap + DX Mode 12 When outdoor air is extremely hot and humid, the unit requires some mechanical cooling to bring the data center s air supply to its target temperature. Outdoor air passes through the DEC where the scavenger air is cooled to its wet-bulb temperature. It then passes through the sensible heat exchanger device where it absorbs some of the heat from the data center air. The DX cooling coil, which is in the process airstream and downstream of the sensible heat exchanger device, completes the cooling process and reduces the air temperature in the cold aisle supply to the need of the data center. The scavenger air fans run at their maximum speed in this mode.
13 MISSION CRITICAL EXPERIENCE AND EXPERTISE Nortek Air Solutions has three decades of experience providing cooling solutions to mission critical facilities. Here are a few examples of how we have helped data centers achieve their goals. Verne Global Data Center Keflavik, Iceland The N+1 data center achieved an impressive 1.21 PUE with efficiency contributed by the unique modular free cooling system from Eaton-Williams. This Verne Global facility is the world s first carbon-neutral data center. CyrusOne Data Center Since installing the senergy EMS system at the CyrusOne data center, cooling costs have been reduced by 40% and PUE has steadily improved from 2.7 to 1.4. Avid R&D Center The installation cost savings of a pre-engineered, factory-tested chiller plant from our Mammoth brand, combined with the continuous operating costs savings of the energy efficient magnetic bearing chiller, resulted in an estimated five-year payback. Large Hadron Collider Data Center Lyon, France The use of idataplex server cabinets and Eaton-Williams ServerCool cooling distribution units consumes 40% less power per kilowatt than the incumbent cooling system did. Centre for Scientific Computing University of Warwick The Eaton-Williams cooling solution has enabled the University of Warwick to introduce zero thermal impact into its data center and set performance benchmark for the University s other data centers. 13
14 NORTEK AIR SOLUTIONS DATA CENTER SYSTEMS COOLING AND VENTILATION PRODUCTS Nortek Air Solutions precision cooling solutions meet the efficiency, redundancy and scalability requirements for the world s leading data centers. The high performance technologies behind these solutions include FANWALL TECHNOLOGY systems, direct/indirect (adiabatic) evaporative free cooling with DX, airand water-side economizers, high density cooling, modular data centers and advanced controls. Data Room Cooling Unit (DRU) Rear Door Heat Exchangers (RDHx) Data Center Infrastructure Management (DCIM) Software OEM Modular Data Centers (MDCs) Direct & Indirect Evaporative Cooling Units (DEC & IDEC) Custom Air Handlers and Packaged DX Units Chillers and Chiller Plants Retrofits and Upgrades 14
15 Nortek Air Solutions is the leading custom HVAC manufacturer in North America. Our brands have a combined total of more than 400 years of experience, 6 manufacturing locations, and 150 sales representative offices. Nortek Air Solutions, LLC is a subsidiary of Nortek, Inc., a global diversified company with sales of approximately $2.5 billion whose many market-leading brands deliver broad capabilities and a wide array of innovative, technology-driven products and solutions for lifestyle improvements at home and at work. 15
16 R Pioneer Trail, Suite 150 Eden Prairie, Minnesota USA fax Since Nortek Air Solutions, LLC has a policy of continuous product improvement, we reserve the right to change specifications without notice. Nortek Air Solutions furnishes equipment pursuant to its then current Terms and Conditions and Limited Warranty, copies of which can be found under the Terms and Conditions and Warranty links at The following are trademarks and registered brand names of Nortek Air Solutions: Cool 3, FANWALL, FANWALL TECHNOLOGY, Governair, Huntair, Mammoth, Temtrol, Venmar CES, Ventrol, Webco. Nortek Air Solutions is a leader in innovative custom and engineered HVAC solutions for commercial, industrial and critical environments through the brands Eaton-Williams, Governair, Huntair, Mammoth, Temtrol, Venmar CES, Ventrol and Webco. Nortek Air Solutions, LLC is a subsidiary of Nortek, Inc Nortek Air Solutions, LLC NAS-DC-SB-18G April 2016
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