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Published on March 9, 2014

Author: fmasummits

Source: authorstream.com

PowerPoint Presentation: Data Center Solutions Humidification & Evaporative Cooling: Scalable solutions to improve PUE and operational reliability PowerPoint Presentation: Walter Meier AG, Switzerland Worldwide Operations Head Office: Schwerzenbach Switzerland Employees: 2200 Net Sales: 750 Million CHF Manufacturing & Climate Technologies Listed on Swiss Exchange Majority owned by founding family Walter Meier Corporate PowerPoint Presentation: Group Division Humidification Manufacturing Manufacturing Plants 8 Humidification Production Sites PowerPoint Presentation: Diverse and Scalable Technology Offerings Electric - Electrode Steam - Resistive Steam Gas-Fired - Atmospheric Steam Pressure Steam - Direct Injection - Steam Exchange Adiabatic Nozzles Evaporative PowerPoint Presentation: Modular, container, and cloud providers Data Centers Large or Small PowerPoint Presentation: Customer Credibility PowerPoint Presentation: Core Application Area: Data Centers Humidification Evaporative Cooling PowerPoint Presentation: Human Health- hygiene, comfort, productivity C ounter ESD- ensure reliability of ICT Dust suppression- extended mechanical component life Ensure Warranty protection, operate equipment within manufacturers accepted humidity levels, reduce commercial liability Meet applicable standards- ASHRAE Maintain consistent control- humidification is one portion of the overall HVAC system- consistency allows for predictive maintenance, performance evaluation, improved availability Why Humidify in Data Centers PowerPoint Presentation: Utilize basic laws of physics to achieve cooling with an associated reduction in energy and energy costs Provide a ‘greener’ solution to humidification requirements Reduced energy consumption contributes to reduced PUE Why Evaporative Cooling PowerPoint Presentation: Liquid Water Water Vapor (“Humidity”) ~1150 BTU/ lb 0.33 kW 970 BTU/ lb for water phase change (liquid at 212 ˚ F to gas) Isothermal (steam) humidifiers use electricity or gas Adiabatic (evaporative) humidifiers draw energy from air When using Atomization/Evaporation the same amount of energy is drawn from the ambient air  The air is cooled – with 100% renewable energy! 21.5 970 180 144 NEEDED ENERGY (BTU per lb water) Heat from 5 to up to 32˚F Melt to 32˚ F Heat from 0 up to 212˚ F Boil to above 212˚ F Required Energy PowerPoint Presentation: Adiabatic and the Psychrometric Chart PowerPoint Presentation: 12 March 2013 Adiabatic Cooling Solutions for Data Center Applications Evaporation of 1 liter of water = Cooling effect of app 2256 kJ or 0,68 kW Typical energy use for evaporating 1 liter of water = 6-8 W (incl. RO) And gives a cooling effect of 0,68 kW! Adiabatic Cooling PowerPoint Presentation: Formula:  T = BTU CFM x 1.10 (Constant)  T = 200 x 1000 BTU 20,000 CFM x 1.10  T = 9.1°F Example: System CFM = 20,000 cfm Humidity load = 200 lbs/hr *Heat is removed at a rate of roughly 1000 BTU’s/lb of water evaporated Cooling and humidity go hand in hand! Adiabatic Cooling Example PowerPoint Presentation: ASHRAE Data Center Classifications PowerPoint Presentation: Data Center Climate System ASHRAE Standard PowerPoint Presentation: The Green Grid - Updated Air-Side Free Cooling Maps: The Impact of ASHRAE 2011 Allowable Ranges Air-Side Free Cooling PowerPoint Presentation: The Green Grid - Updated Air-Side Free Cooling Maps: The Impact of ASHRAE 2011 Allowable Ranges ASHRAE Data Center Classifications PowerPoint Presentation: Evaporative Media System DX Coils Indirect Evaporative Cooling PowerPoint Presentation: Indirect Evaporative Cooling PowerPoint Presentation: Adiabatic Cooling Solutions for Data Center Applications PowerPoint Presentation: Case in Point Retrofit of an existing data centre with Evaporative Cooling - NJ , Finance PowerPoint Presentation: Background : Replacement of 3 Resistive Steam Humidifiers in rooftop AHU Replacement due to poor performance and Operational cost: part of an energy audit Primary humidification and Outside air requirements which servers the entire white space (raised floor area) This location has 55 CRAC units- every other unit has 22lb per hour electrode steam humidifiers which have been shut down to conserve energy Current consumption is 5kW for 11lb and 9 kW for 22lb Theoretical humidification load of 26 units with Humidifiers 234kW: Duty cycle is based in the sensible load and outside air percentage Theoretical humidification load of 395kW (what would the typical duty cycle be ?)                 Retrofit MH units retrofitted into existing sections of AHU Reflow with softened water (filtered and softened) History Units installed in 2011 Operation is continuous with 24X7 fan operation at 50% capacity or 12 hour a day All CRAC units are now supplementary (provide redundancy) Energy savings for humidification is NJ energy costs ($.10 cents /kWh) X duty cycle 4380 X unit rating/consumption Good question I do not know the fan HP Secondary impact- cooling benefits of 10’ to 15’ f temperature drop Need to identify load shed for chillers load off chiller would be based on the CFM X DT X 1.08 I assume the inlet temp to the make-up air unit would be 75 to 85 Degrees Compare electrical costs                                Impact on new installations Reduced breaker size, reduced wiring and electrical services, reduced cost, space and secondary ‘heating’ impact Reduced hardware cost- CRAC Potential to increase Evaporative Cooling capacity to further offload chillers (physical plant loads)                 PowerPoint Presentation: System Description Replacement of 9 x Resistive element humidifiers Shut down 26 x 22 lbs / hr humidifiers installed in CRAC units. Installation of 3xMHTC Reflow Units – 320 lbs / hr (960 lbs / hr total) PowerPoint Presentation: Estimated Energy Savings 234 kW reduction through shutdown of 26 CRAC humidifiers 24/7/365 with a 50 % duty cycle = $102,492 annual savings* 297 kW = 1,013,406 btu = 84 Tons free cooling from evaporative media units 24/7/365 with a 50 % duty cycle = $27,699 annual chiller savings** 2.13kW to power all evaporative media units Additional Savings and Benefits Reduced equipment cost – CRAC units Potential to increase Evaporative Cooling capacity to further offload chillers (physical plant loads) * Based on $0.10/kWh ** Based on 0.75 kW/Ton , $0.10/kWh Does not take into account cost of water (supply/waste) PowerPoint Presentation: ASHRAE Data Center Classifications PowerPoint Presentation: Case in Point Retrofit of an exisiting data center w/evaporative cooling. North Carolina - Telecom PowerPoint Presentation: Background : Project to increase Humidification capacity by installing 6 new Air Handlers (York), 2009 Primary humidification and Outside air requirements which serve the entire white space (raised floor area) This location has 50 CRAC units- 30lb per hour electrode steam humidifiers which have been shut down to conserve energy Current consumption is 11.2 kW for 30lb Theoretical humidification load of 50 units with Humidifiers at 34.5% duty cycle is 194W (Duty cycle is based in the sensible load and outside air percentage and reflects average of the past 4 years)                 Retrofit 6 new AHU’s with MH units were added to the existing site with reflow, potable water with no treatment Energy savings for humidification is NC plant energy costs (5.60 cents /kWh) X duty cycle 3022hr X 11.2kW per unit = Secondary impact- cooling benefits of 10’ to 15’ f temperature drop                                 Impact on new installations Reduced breaker size, reduced wiring and electrical services, reduced cost, space and secondary ‘heating’ impact Reduced hardware cost- CRAC Potential to increase Evaporative Cooling capacity to further offload chillers (physical plant loads ) Significant energy savings have been achieved with the deployment of Evaporative cooling. Significant further energy savings are possible should the units be run outside of the ‘season’ for cooling                 PowerPoint Presentation: Evaporative Media Units PowerPoint Presentation: System Description Installation of 6xMHTC Reflow Units – 272 lbs / hr (1632 lbs / hr total) Shutdown 50 x 30 lbs / hr humidifiers installed in CRAC units PowerPoint Presentation: Estimated Energy Savings 560 kW reduction through shutdown of 50 CRAC humifiers 24/7/365 with a 35 % duty cycle = $103,017 annual savings* 504 kW = 1,721,630 btu = 144 Tons free cooling from evaporative media units 24/7/365 with a 35 % duty cycle = $19,868 annual chiller savings** 4.26kW to power all evaporative media units Additional Savings and Benefits Reduced equipment cost – CRAC units Potential to increase Evaporative Cooling capacity to further offload chillers (physical plant loads) * Based on $0.60/kWh ** Based on 0.75 kW/Ton , $0.06/kWh Does not take into account cost of water (supply/waste) PowerPoint Presentation: New large scale data center with 100% free cooling Case in Point PowerPoint Presentation: Case in Point Lulea – Phase 1 PowerPoint Presentation: Case in Point Principle Diagram PowerPoint Presentation: System Description Total construction area 28,000 m2 (300,000 sq.ft . ) Free Cooling system, no "traditional" refrigeration units; 26 High-pressure humidification systems with a capacity of: 13675 L/h (~3000g/h)。Max Cooling effect 9300 kW; Max Power consumption 60kW 546 m2 (~6000sq. Ft.) misteliminator surface 5500 nozzles @ 2450 m (~8,000 ft.) pipes Case in Point PowerPoint Presentation: Case in Point Lulea- HP Spray Nozzles PowerPoint Presentation: Case in Point Lulea- “plenum” and fan wall PowerPoint Presentation: Case in Point White Space (Prineville) PowerPoint Presentation: Case in Point White Space – (Prineville) PowerPoint Presentation: SAVE Money Free Cooling Best Practice Data Center Case in Point PowerPoint Presentation: Basics of Technology Best practices Application knowhow White Papers PowerPoint Presentation: Please join us … Entire product line in one spot Live demonstrations Help Software

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