Legacy Data Centres Upgrading the cooling capabilities What are the options?
Presentation Structure What is a Legacy Data Centre? What is CRAC cooling? ASHRAE Standards Overview Available Cooling Systems & Comparison Common Requirements Weatherite s Cooling Solutions Summary Q & A s
So, What is a typical Legacy Data Centre? High density data centre / Hosting facility In-house medium sized facility Server Room Electronic equipment, positioned in racks which, as a result of their function, generate waste heat that needs to be removed in order to ensure continual, safe operation. Switch Room Communications Room Broom Cupboard!!!!
Weatherite Group-July 11 / Issue1. All Rights Reserved
CRAC Cooling Computer Room Computer Room Data Centre with reactive controls Air Conditioning Full Air Conditioning Inc. Cooling, Heating, Humidification, Dehumidification, Reactive Control Cooling AHU s & filters with Proactive controls
DEW POINT TEMPERATURE - C ENTHALPY - KJ PER KILOGRAM OF DRY AIR Computer Room Environmental Requirements With Dublin Weather Data 3 3 9 8 13 3 WET BULB TEMPERATURE - C PSYCHROMETRIC CHART Normal Temperature SI Units 84 METERS BAROMETRIC PRESSURE:.315 kpa 5 6 7 25 25 25 1 1 Weather Data Location: DUBLIN, ALL REGIONS, IRELAND Weather Hours 36 to 1 72 to 37 8 to 73 144 to 9 18 to 145 216 to 181 252 to 217 288 to 253 324 to 289 - - -15 3 ENTHALPY - KJ PER KILOGRAM OF DRY AIR -15-5 -5 4 SATURATION TEMPERATURE - C 5 5 15 9% 8% 7% 6% 5% 4% 3% % 15 % RELATIVE HUMIDITY 25% 15% 8% RELATIVE HUMIDITY 6% 4% 2% 15 5-5 9 8 7-25 - -15-5 5 15 25 3 35 4 45 5 55 Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com DRY BULB TEMPERATURE - C - 3 4 5 6
DEW POINT TEMPERATURE - C ENTHALPY - KJ PER KILOGRAM OF DRY AIR ASHRAE - Data Centre Recommended Environmental Envelope 3 3 9 8 13 3 WET BULB TEMPERATURE - C PSYCHROMETRIC CHART Normal Temperature SI Units 84 METERS BAROMETRIC PRESSURE:.315 kpa 5 6 7 25 25 25 1 1 Weather Data Location: DUBLIN, ALL REGIONS, IRELAND Weather Hours 36 to 1 72 to 37 8 to 73 144 to 9 18 to 145 216 to 181 252 to 217 288 to 253 324 to 289 - - -15 3 ENTHALPY - KJ PER KILOGRAM OF DRY AIR -15-5 -5 4 SATURATION TEMPERATURE - C 5 5 15 9% 8% 7% 6% 5% 4% 3% % 15 % RELATIVE HUMIDITY 25% 15% 8% RELATIVE HUMIDITY 6% 4% 2% 15 5-5 9 8 7-25 - -15-5 5 15 25 3 35 4 45 5 55 Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com DRY BULB TEMPERATURE - C - 3 4 5 6
DEW POINT TEMPERATURE - C ENTHALPY - KJ PER KILOGRAM OF DRY AIR ASHRAE - Data Centre Allowable Environmental Envelopes 3 3 9 8 13 3 WET BULB TEMPERATURE - C PSYCHROMETRIC CHART Normal Temperature SI Units 84 METERS BAROMETRIC PRESSURE:.315 kpa 5 6 7 25 25 25 1 1 Weather Data Location: DUBLIN, ALL REGIONS, IRELAND Weather Hours 36 to 1 72 to 37 8 to 73 144 to 9 18 to 145 216 to 181 252 to 217 288 to 253 324 to 289 - - -15 3 ENTHALPY - KJ PER KILOGRAM OF DRY AIR -15-5 -5 4 SATURATION TEMPERATURE - C 5 5 15 9% 8% 7% 6% 5% 4% 3% % 15 % RELATIVE HUMIDITY 25% 15% 8% RELATIVE HUMIDITY 6% 4% 2% 15 5-5 9 8 7-25 - -15-5 5 15 25 3 35 4 45 5 55 Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com DRY BULB TEMPERATURE - C - 3 4 5 6
Available Cooling Systems Traditional Used Systems Chilled Water CRAC units with Centralised Chillers Refrigerant CRAC units with remote condensers Additional Optional System Direct fresh air with DX top-up / % back-up Direct Adiabatic Indirect Adiabatic Indirect Adiabatic with top-up cooling In-Row Cooling Each of these systems will have real and perceived advantages and disadvantages.
CW CRACS with remote chiller RA 22C / SA 12C CW CRACS with remote chiller with free cooling - RA 22C / SA 12C DX CRACS with remote condensers RA 22C / SA 12C CW CRACS with remote chiller with free cooling - RA 27C / SA 17C FA / DX with Free Cooling RA 22C / SA 12C FA / DX with Free Cooling RA 27C / SA 17C Indirect Adiabatic RA 37C / SA 27C FA / DX with Free Cooling RA 37C / SA 27C Direct Adiabatic RA 37C / SA 27C Cooling System Comparison for kw load kwh / kg of CO2 4, 35, 3, 25,, 15,, 5, - Annual Energy Use (kwh) Annual CO2 Emissions (kg of CO2) Annual Energy Cost ( ) 9% Saving 4, 35, 3, 25,, 15,, 5, -
Common Requirements - Considerations Operation - always on Split power supplies Mains Engine UPS Reliability Multiple Circuits Fresh Air / DX Multiple DX circuits Adiabatic Energy Efficiency EC Fans Fresh Air / DX Adiabatic Multiple controls
Common Requirements Considerations, cont. Ease of maintenance Front service access In- service-replacement of components N+1 Space Availability Internal External Re-location Air Distribution Raised Floor Flooded Room Cold Aisle Hot Aisle
Common Requirements Considerations, cont. Future Planning Growth plans Relocating Out sourcing Controls Strategy Return Air Reactive Control Supply Air Proactive Control Controls Integration BMS integration Statistics Monitoring Alarms
What Weatherite can offer? 43 years history of providing HVAC solutions Over 35 years experience cooling IT environments. Made to measure cooling solutions (no one size fits all!!) A range of designs - to facilitate each specific application, all offering the opportunity to reduce your operation PUE. Design and manufacture all our cooling equipment in-house Project report with recommendations, plus optional assistance with commissioning & maintenance services. Over, cooling units installed across UK & Ireland
Weatherite s Cooling Solutions Conventional Systems Direct Replacement - CRAC Chilled Water Units & Chillers
Weatherite s Cooling Solutions Alternative Efficient Systems Direct Fresh Air / DX FreTec Direct Fresh Air / DX - FreTec Plus
Weatherite s Cooling Solutions Adiabatic Systems Direct Adiabatic 15kW to 6kW In-direct Adiabatic 6kW to 35kW
Weatherite s Cooling Solutions High Capacity Systems In-Row DX Condensers Chilled Water Chillers Adiabatic Fully Package Systems Roof Top Plant External Plant Rooms Air Containment Cold Aisle Containment Hot Aisle Containment
Summary Space Conditions have changed More energy efficient options available No need to go for Like for Like Bespoke Options available to maximise cooling Running cost savings of up to 9% Potential short payback period Weatherite can assist in all aspects of the cooling design
Weatherite Group Feb 15. All Rights Reserved Some of Weatherite Group s Customers
Questions & Answers www.datacentre-cooling.com
Look forward to meeting you on STAND 319 Pat Gillan - Data Centre Sales Manager e-mail: pgillan@weatheritegroup.com mobile: +44 () 7736 1939 Brian Taylor Business Development Manager (All Weatherite Group products & services) e-mail: btaylor@weatheritegroup.com Mobile: +44 () 7734 878589 www.datacentre-cooling.com